Re: [RE-wrenches] Magnum 4448 PAE whimpy charge rate.

[Chris Worcester via RE-wrenches]

Hi John, I have been vexed about the settings on the 4448 PAE in off grid 
scenarios too, but am trying to figure out how to make these work as intended? 
That being said there's a couple of settings that might be messing with this 
that you can check out. I am  also open to any suggestions here, thanks. 
Recently I was programming a pair of these using the RTR, check in 02  Control 
Charger that you're using Multi-Stage. This is also in the Setup 03F Final 
Charge Stage menu. In Setup 03A AC Input Amps, 60 to 70 Amps max with 1 
inverter and 1/2 that with 2. You have probably already set 03E Max Charge Rate 
up to 100% I reckon. If not give it a shot and see if it will approach the 60 
Amps DC per inverter rating. Anyway these RTR menus are from 2014 +/- so I 
don't know if you have the same menus. Hope this helps. Chris Worcester 
chris@solarwindworks.com530-448-9692Sent from my Samsung Galaxy s9.
 Original message From: John Blittersdorf via RE-wrenches 
 Date: 12/6/23  6:08 PM  (GMT-08:00) To: 
RE-wrenches  Cc: John Blittersdorf 
 Subject: [RE-wrenches] Magnum 4448 PAE whimpy 
charge rate. I have noticed on several Magnum Installations that the charge 
rate is low compared to the inverter rated output.  Typically I would assume 
the charge rate should be up to about 70 to 80 % of the inverter capacity, but 
I am getting only about 1400 watts (26 amps DC) from it with a 14kw generator.  
Is there some setting I am missing that would limit it other than the charge %. 
 I know of one system where they added a 2nd Magnum inverter and then had 
problems with them working together consistently.  I have used the 8 kilowatt 
Radians for any off grid with significant loads and battery capacity and easily 
get 6000 charging watts from a large generator. I also needed remote control of 
the generator (Generac EcoGen 15 kw so a quick inexpensive but clunky solution 
I came up with was to add an old (2003 vintage) used MX-60 to the system purely 
to use the Aux relay with a used HUB and old but good Mate3.  Works perfectly 
giving us AGS start and stop voltage settings and basic battery voltage graph. 
I would be interested in other ways to remote control generators with non 
Outback inverters. FlexNet DC?John Blittersdorf
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Re: [RE-wrenches] Magnum 4448 PAE whimpy charge rate.

[Kevin Pegg via RE-wrenches]

Hi John,

Are these made in Mexico units? We have had a few issues with quality control 
since the relocation, not specific issue you have, but charger-related.

There are two settings – Under the Shore menu make sure Amps are set properly, 
and then there is the battery charge rate in the setup menu. That inverter 
should give a 63A charge @ 48VDC, and generally doesn’t really care about power 
quality even with very cheap generators the charge rate is good.

Kevin

From: RE-wrenches  On Behalf Of John 
Blittersdorf via RE-wrenches
Sent: Wednesday, December 6, 2023 6:08 PM
To: RE-wrenches 
Cc: John Blittersdorf 
Subject: [RE-wrenches] Magnum 4448 PAE whimpy charge rate.

I have noticed on several Magnum Installations that the charge rate is low 
compared to the inverter rated output.  Typically I would assume the charge 
rate should be up to about 70 to 80 % of the inverter capacity, but I am 
getting only about 1400 watts (26 amps DC) from it with a 14kw generator.  Is 
there some setting I am missing that would limit it other than the charge %.  I 
know of one system where they added a 2nd Magnum inverter and then had problems 
with them working together consistently.  I have used the 8 kilowatt Radians 
for any off grid with significant loads and battery capacity and easily get 
6000 charging watts from a large generator. I also needed remote control of the 
generator (Generac EcoGen 15 kw so a quick inexpensive but clunky solution I 
came up with was to add an old (2003 vintage) used MX-60 to the system purely 
to use the Aux relay with a used HUB and old but good Mate3.  Works perfectly 
giving us AGS start and stop voltage settings and basic battery voltage graph. 
I would be interested in other ways to remote control generators with non 
Outback inverters. FlexNet DC?

John Blittersdorf
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Re: [RE-wrenches] Magnum 4448 PAE whimpy charge rate.

[Maverick Brown via RE-wrenches]

John

I would try the Victron Cerbo GX for remote control of stuff. It has plethora 
of ports (I/O and temperature) and they can connect to lots of different 
devices, especially other Victron items like inverters and charge controllers 
and smart shunts (that one I’d also add to the Cerbo right away for SOC). 


1. Cerbo GX
2. SmartShunt 500 amp Battery Monitor (Bluetooth)
3. Temperature sensor BMV-702/712 for the shunt. 
4. VE.direct cable of correct length to go from Cerbo to SmartShunt


Cerbo GX connects to the internet via wired or wireless internet ports 
provided.  
They have a cellular modem add on as well. 

Victron offers a VRM virtual remote monitoring via the web. 




Maverick Brown
Off-Grid Solar Commander since 2006
Maverick Solar Enterprises, Inc.
 • Solar Commander Remote Power
 • SunFlow Systems Cathodic Protection 
maver...@mavericksolar.com
512-460-9825


> On Dec 6, 2023, at 8:08 PM, John Blittersdorf via RE-wrenches 
>  wrote:
> 
> 
> I have noticed on several Magnum Installations that the charge rate is low 
> compared to the inverter rated output.  Typically I would assume the charge 
> rate should be up to about 70 to 80 % of the inverter capacity, but I am 
> getting only about 1400 watts (26 amps DC) from it with a 14kw generator.  Is 
> there some setting I am missing that would limit it other than the charge %.  
> I know of one system where they added a 2nd Magnum inverter and then had 
> problems with them working together consistently.  I have used the 8 kilowatt 
> Radians for any off grid with significant loads and battery capacity and 
> easily get 6000 charging watts from a large generator. I also needed remote 
> control of the generator (Generac EcoGen 15 kw so a quick inexpensive but 
> clunky solution I came up with was to add an old (2003 vintage) used MX-60 to 
> the system purely to use the Aux relay with a used HUB and old but good 
> Mate3.  Works perfectly giving us AGS start and stop voltage settings and 
> basic battery voltage graph. I would be interested in other ways to remote 
> control generators with non Outback inverters. FlexNet DC?
> 
> John Blittersdorf
> ___
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[RE-wrenches] Magnum 4448 PAE whimpy charge rate.

[John Blittersdorf via RE-wrenches]

I have noticed on several Magnum Installations that the charge rate is low
compared to the inverter rated output.  Typically I would assume the charge
rate should be up to about 70 to 80 % of the inverter capacity, but I am
getting only about 1400 watts (26 amps DC) from it with a 14kw generator.
Is there some setting I am missing that would limit it other than the
charge %.  I know of one system where they added a 2nd Magnum inverter and
then had problems with them working together consistently.  I have used the
8 kilowatt Radians for any off grid with significant loads and battery
capacity and easily get 6000 charging watts from a large generator. I also
needed remote control of the generator (Generac EcoGen 15 kw so a quick
inexpensive but clunky solution I came up with was to add an old (2003
vintage) used MX-60 to the system purely to use the Aux relay with a used
HUB and old but good Mate3.  Works perfectly giving us AGS start and stop
voltage settings and basic battery voltage graph. I would be interested in
other ways to remote control generators with non Outback inverters. FlexNet
DC?

John Blittersdorf
___
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Re: [RE-wrenches] Magnum problem

[Allan Sindelar via RE-wrenches]

Ron,You didn’t say whether the 4448 is a PAE or the original AE; at 4,400 rated watts, I’m assuming that it’s a PAE, meaning split-phase 240. Your 2,000W Honda has a 120V output, and I suspect that the 3,800W Champion does too. Have you taken this into consideration?Many years ago, one of the selling points of the early PAE series was that it could charge from a 120V source. I have no idea if this is still true, but it’s worth verifying (along with the AC input connection and any specific charge input settings) before you make that 6-hour trip. Allan Sindelar-retired-On Oct 31, 2023, at 8:11 PM, Jerry Shafer via RE-wrenches  wrote:Wrenches RonFirst l would think tech support already asked you this but.I have seen this with outback, What is the incoming voltage and freq, the Honda should be fine but the other hard to say.  Frequency is very important to be right otherwise the inverter will sit and wait, voltage not as much. Your inverter is a 240 vac right, are the gennys also?You might want to make sure its in Gen input not grid input, gen is wider. With your little gennys it might latch up and disconnect quickly due to either going out of range.With gennys always use a pf of .8 and go down from there so a 3 k genny charging should be around 1200 watts.FuntimesOn Tue, Oct 31, 2023, 9:38 AM Ron Young via RE-wrenches  wrote:Hello Wrenches,I am completely stumped. I built a Magnum 4448 panel for a client and it was installed by an electrician. It was thoroughly tested before going out the door on all functions and pre-programmed for the off-grid site. Electrician just had to hang it on the wall and make 4 connections, AC IN, AC OUT, BATTERY, PV. Somehow the system wouldn’t go into charge mode. The site is a 3 hour trip each way. The electrician was baffled, he had experience installing solar but very limited so I went to the site to see what the problem was. After spending a day checking out the inverter with two different generators, checking all the connections, AC at the inputs at the inverter and at the outputs on the breakers, and even removed the cover from the inverter to make sure some connections had not shaken loose inside the box on the long bumpy road into the property. Everything checked out. So assuming the AC board in the inverter was faulty I ordered a new unit to replace and that has now been done. SAME PROBLEM! I’m wondering now if it’s possible that the Magnum remote monitor could be the problem. It functions properly on every setting but is it possible there is an internal fault? Could it prevent the automatic charge cycle from initiating? Seems unlikely to me because the inverter can go into charge mode even without the monitor. I also tried replacing the connection cable between the monitor and inverter but no luck. The generators are both small, one a Honda 2kW and the other a Champion 3.8kW. Neither is ideal but I have had no issues with these types of generators in the past and the client has ordered a larger 10kW unit but we don’t have it yet to test. Generators have been run with Eco Mode off. Output to the house on bypass is consistent and without problem.Any suggestions - this is just confounding.RonearthRight Products - Solareagle.com___
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Re: [RE-wrenches] Magnum problem

[Jerry Shafer via RE-wrenches]

Wrenches Ron
First l would think tech support already asked you this but.
I have seen this with outback,
What is the incoming voltage and freq, the Honda should be fine but the
other hard to say.  Frequency is very important to be right otherwise the
inverter will sit and wait, voltage not as much. Your inverter is a 240 vac
right, are the gennys also?
You might want to make sure its in Gen input not grid input, gen is wider.
With your little gennys it might latch up and disconnect quickly due to
either going out of range.
With gennys always use a pf of .8 and go down from there so a 3 k genny
charging should be around 1200 watts.
Funtimes

On Tue, Oct 31, 2023, 9:38 AM Ron Young via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hello Wrenches,
>
> I am completely stumped. I built a Magnum 4448 panel for a client and it
> was installed by an electrician. It was thoroughly tested before going out
> the door on all functions and pre-programmed for the off-grid site.
> Electrician just had to hang it on the wall and make 4 connections, AC IN,
> AC OUT, BATTERY, PV. Somehow the system wouldn’t go into charge mode. The
> site is a 3 hour trip each way. The electrician was baffled, he had
> experience installing solar but very limited so I went to the site to see
> what the problem was. After spending a day checking out the inverter with
> two different generators, checking all the connections, AC at the inputs at
> the inverter and at the outputs on the breakers, and even removed the cover
> from the inverter to make sure some connections had not shaken loose inside
> the box on the long bumpy road into the property. Everything checked out.
> So assuming the AC board in the inverter was faulty I ordered a new unit to
> replace and that has now been done. SAME PROBLEM! I’m wondering now if it’s
> possible that the Magnum remote monitor could be the problem. It functions
> properly on every setting but is it possible there is an internal fault?
> Could it prevent the automatic charge cycle from initiating? Seems unlikely
> to me because the inverter can go into charge mode even without the
> monitor. I also tried replacing the connection cable between the monitor
> and inverter but no luck.
>
> The generators are both small, one a Honda 2kW and the other a Champion
> 3.8kW. Neither is ideal but I have had no issues with these types of
> generators in the past and the client has ordered a larger 10kW unit but we
> don’t have it yet to test. Generators have been run with Eco Mode off.
> Output to the house on bypass is consistent and without problem.
>
> Any suggestions - this is just confounding.
>
> Ron
>
>
> earthRight Products - Solareagle.com
>
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Re: [RE-wrenches] Magnum problem

[Richard Nicol via RE-wrenches]

If dc voltage is elevated magnum inverters won’t charge. Force Bulk under the Cntrl menu will test if this is the issue.Rebulk voltage can be adjusted only in you use “silent” final charge rather than “Multi” as final charge state.If using lithium batteries, cc/cv instead of custom battery settings may also be of benefit.RichSent from my iPhoneOn Oct 31, 2023, at 12:11 PM, Starlight via RE-wrenches  wrote:Sorry Dan, I meant Ron.
On Oct 31, 2023, at 11:08 AM, Starlight via RE-wrenches  wrote:Dan,Since you are using 120Vac for the source, did you connect to just 1 AC input; AC1 or AC2?  You can not parallel same phase to both inputs or damage may occur. Have you measured the generator frequency and voltage at the inverter input? Make sure to reduce the charge rate to 50% or less when supplying 120V only. Larry CrutcherStarlight Power Systems

On Oct 31, 2023, at 10:56 AM, Dan Fink via RE-wrenches  wrote:I have had issues before with Magnum inverter/chargers not accepting AC input from certain generators. In one case, it would not charge from a Honda 3kw cube, but worked fine with camp’s Honda 2kw. Magnum said it was a Honda problem, Honda said it was a Magnum problem. We ended up just rearranging generators and inverters between camps. Weird, we never detected anything odd in voltage or frequency from any of the generators.Dan FinkOwner, Buckville Energy Consulting LLCIREC Certified Instructor for PV and Small Wind InstallationNABCEP Certified PV System InspectorNABCEP PV Associatedanbo...@gmail.com970-672-4342 On Tue, Oct 31, 2023 at 11:39 AM Ron Young via RE-wrenches  wrote:Hello Wrenches,I am completely stumped. I built a Magnum 4448 panel for a client and it was installed by an electrician. It was thoroughly tested before going out the door on all functions and pre-programmed for the off-grid site. Electrician just had to hang it on the wall and make 4 connections, AC IN, AC OUT, BATTERY, PV. Somehow the system wouldn’t go into charge mode. The site is a 3 hour trip each way. The electrician was baffled, he had experience installing solar but very limited so I went to the site to see what the problem was. After spending a day checking out the inverter with two different generators, checking all the connections, AC at the inputs at the inverter and at the outputs on the breakers, and even removed the cover from the inverter to make sure some connections had not shaken loose inside the box on the long bumpy road into the property. Everything checked out. So assuming the AC board in the inverter was faulty I ordered a new unit to replace and that has now been done. SAME PROBLEM! I’m wondering now if it’s possible that the Magnum remote monitor could be the problem. It functions properly on every setting but is it possible there is an internal fault? Could it prevent the automatic charge cycle from initiating? Seems unlikely to me because the inverter can go into charge mode even without the monitor. I also tried replacing the connection cable between the monitor and inverter but no luck. The generators are both small, one a Honda 2kW and the other a Champion 3.8kW. Neither is ideal but I have had no issues with these types of generators in the past and the client has ordered a larger 10kW unit but we don’t have it yet to test. Generators have been run with Eco Mode off. Output to the house on bypass is consistent and without problem.Any suggestions - this is just confounding.RonearthRight Products - Solareagle.com___
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Re: [RE-wrenches] Magnum problem

[Starlight via RE-wrenches]

Sorry Dan, I meant Ron.

On Oct 31, 2023, at 11:08 AM, Starlight via RE-wrenches 
 wrote:

Dan,

Since you are using 120Vac for the source, did you connect to just 1 AC input; 
AC1 or AC2?  You can not parallel same phase to both inputs or damage may 
occur. 

Have you measured the generator frequency and voltage at the inverter input? 
Make sure to reduce the charge rate to 50% or less when supplying 120V only. 

Larry Crutcher
Starlight Power Systems



On Oct 31, 2023, at 10:56 AM, Dan Fink via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:

I have had issues before with Magnum inverter/chargers not accepting AC input 
from certain generators. In one case, it would not charge from a Honda 3kw 
cube, but worked fine with camp’s Honda 2kw. Magnum said it was a Honda 
problem, Honda said it was a Magnum problem. We ended up just rearranging 
generators and inverters between camps. Weird, we never detected anything odd 
in voltage or frequency from any of the generators.

Dan Fink
Owner, Buckville Energy Consulting LLC
IREC Certified Instructor for PV and Small Wind Installation
NABCEP Certified PV System Inspector
NABCEP PV Associate
danbo...@gmail.com 
970-672-4342

 


On Tue, Oct 31, 2023 at 11:39 AM Ron Young via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hello Wrenches,

I am completely stumped. I built a Magnum 4448 panel for a client and it was 
installed by an electrician. It was thoroughly tested before going out the door 
on all functions and pre-programmed for the off-grid site. Electrician just had 
to hang it on the wall and make 4 connections, AC IN, AC OUT, BATTERY, PV. 
Somehow the system wouldn’t go into charge mode. The site is a 3 hour trip each 
way. The electrician was baffled, he had experience installing solar but very 
limited so I went to the site to see what the problem was. After spending a day 
checking out the inverter with two different generators, checking all the 
connections, AC at the inputs at the inverter and at the outputs on the 
breakers, and even removed the cover from the inverter to make sure some 
connections had not shaken loose inside the box on the long bumpy road into the 
property. Everything checked out. So assuming the AC board in the inverter was 
faulty I ordered a new unit to replace and that has now been done. SAME 
PROBLEM! I’m wondering now if it’s possible that the Magnum remote monitor 
could be the problem. It functions properly on every setting but is it possible 
there is an internal fault? Could it prevent the automatic charge cycle from 
initiating? Seems unlikely to me because the inverter can go into charge mode 
even without the monitor. I also tried replacing the connection cable between 
the monitor and inverter but no luck. 

The generators are both small, one a Honda 2kW and the other a Champion 3.8kW. 
Neither is ideal but I have had no issues with these types of generators in the 
past and the client has ordered a larger 10kW unit but we don’t have it yet to 
test. Generators have been run with Eco Mode off. Output to the house on bypass 
is consistent and without problem.

Any suggestions - this is just confounding.

Ron


earthRight Products - Solareagle.com 

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Re: [RE-wrenches] Magnum problem

[Mac Lewis via RE-wrenches]

Have you checked those little pop out breakers up near the wiring
compartment?

Have you tried "force bulk"?



On Tue, Oct 31, 2023, 10:56 AM Dan Fink via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> I have had issues before with Magnum inverter/chargers not accepting AC
> input from certain generators. In one case, it would not charge from a
> Honda 3kw cube, but worked fine with camp’s Honda 2kw. Magnum said it was a
> Honda problem, Honda said it was a Magnum problem. We ended up just
> rearranging generators and inverters between camps. Weird, we never
> detected anything odd in voltage or frequency from any of the generators.
>
> Dan Fink
> Owner, Buckville Energy Consulting LLC
> IREC Certified Instructor for PV and Small Wind Installation
> NABCEP Certified PV System Inspector
> NABCEP PV Associate
> danbo...@gmail.com
> 970-672-4342
>
>
>
>
> On Tue, Oct 31, 2023 at 11:39 AM Ron Young via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
>> Hello Wrenches,
>>
>> I am completely stumped. I built a Magnum 4448 panel for a client and it
>> was installed by an electrician. It was thoroughly tested before going out
>> the door on all functions and pre-programmed for the off-grid site.
>> Electrician just had to hang it on the wall and make 4 connections, AC IN,
>> AC OUT, BATTERY, PV. Somehow the system wouldn’t go into charge mode. The
>> site is a 3 hour trip each way. The electrician was baffled, he had
>> experience installing solar but very limited so I went to the site to see
>> what the problem was. After spending a day checking out the inverter with
>> two different generators, checking all the connections, AC at the inputs at
>> the inverter and at the outputs on the breakers, and even removed the cover
>> from the inverter to make sure some connections had not shaken loose inside
>> the box on the long bumpy road into the property. Everything checked out.
>> So assuming the AC board in the inverter was faulty I ordered a new unit to
>> replace and that has now been done. SAME PROBLEM! I’m wondering now if it’s
>> possible that the Magnum remote monitor could be the problem. It functions
>> properly on every setting but is it possible there is an internal fault?
>> Could it prevent the automatic charge cycle from initiating? Seems unlikely
>> to me because the inverter can go into charge mode even without the
>> monitor. I also tried replacing the connection cable between the monitor
>> and inverter but no luck.
>>
>> The generators are both small, one a Honda 2kW and the other a Champion
>> 3.8kW. Neither is ideal but I have had no issues with these types of
>> generators in the past and the client has ordered a larger 10kW unit but we
>> don’t have it yet to test. Generators have been run with Eco Mode off.
>> Output to the house on bypass is consistent and without problem.
>>
>> Any suggestions - this is just confounding.
>>
>> Ron
>>
>>
>> earthRight Products - Solareagle.com
>>
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Re: [RE-wrenches] Magnum problem

[Starlight via RE-wrenches]

Dan,

Since you are using 120Vac for the source, did you connect to just 1 AC input; 
AC1 or AC2?  You can not parallel same phase to both inputs or damage may 
occur. 

Have you measured the generator frequency and voltage at the inverter input? 
Make sure to reduce the charge rate to 50% or less when supplying 120V only. 

Larry Crutcher
Starlight Power Systems



On Oct 31, 2023, at 10:56 AM, Dan Fink via RE-wrenches 
 wrote:

I have had issues before with Magnum inverter/chargers not accepting AC input 
from certain generators. In one case, it would not charge from a Honda 3kw 
cube, but worked fine with camp’s Honda 2kw. Magnum said it was a Honda 
problem, Honda said it was a Magnum problem. We ended up just rearranging 
generators and inverters between camps. Weird, we never detected anything odd 
in voltage or frequency from any of the generators.

Dan Fink
Owner, Buckville Energy Consulting LLC
IREC Certified Instructor for PV and Small Wind Installation
NABCEP Certified PV System Inspector
NABCEP PV Associate
danbo...@gmail.com 
970-672-4342

 


On Tue, Oct 31, 2023 at 11:39 AM Ron Young via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hello Wrenches,

I am completely stumped. I built a Magnum 4448 panel for a client and it was 
installed by an electrician. It was thoroughly tested before going out the door 
on all functions and pre-programmed for the off-grid site. Electrician just had 
to hang it on the wall and make 4 connections, AC IN, AC OUT, BATTERY, PV. 
Somehow the system wouldn’t go into charge mode. The site is a 3 hour trip each 
way. The electrician was baffled, he had experience installing solar but very 
limited so I went to the site to see what the problem was. After spending a day 
checking out the inverter with two different generators, checking all the 
connections, AC at the inputs at the inverter and at the outputs on the 
breakers, and even removed the cover from the inverter to make sure some 
connections had not shaken loose inside the box on the long bumpy road into the 
property. Everything checked out. So assuming the AC board in the inverter was 
faulty I ordered a new unit to replace and that has now been done. SAME 
PROBLEM! I’m wondering now if it’s possible that the Magnum remote monitor 
could be the problem. It functions properly on every setting but is it possible 
there is an internal fault? Could it prevent the automatic charge cycle from 
initiating? Seems unlikely to me because the inverter can go into charge mode 
even without the monitor. I also tried replacing the connection cable between 
the monitor and inverter but no luck. 

The generators are both small, one a Honda 2kW and the other a Champion 3.8kW. 
Neither is ideal but I have had no issues with these types of generators in the 
past and the client has ordered a larger 10kW unit but we don’t have it yet to 
test. Generators have been run with Eco Mode off. Output to the house on bypass 
is consistent and without problem.

Any suggestions - this is just confounding.

Ron


earthRight Products - Solareagle.com 

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Re: [RE-wrenches] Magnum problem

[Dan Fink via RE-wrenches]

I have had issues before with Magnum inverter/chargers not accepting AC
input from certain generators. In one case, it would not charge from a
Honda 3kw cube, but worked fine with camp’s Honda 2kw. Magnum said it was a
Honda problem, Honda said it was a Magnum problem. We ended up just
rearranging generators and inverters between camps. Weird, we never
detected anything odd in voltage or frequency from any of the generators.

Dan Fink
Owner, Buckville Energy Consulting LLC
IREC Certified Instructor for PV and Small Wind Installation
NABCEP Certified PV System Inspector
NABCEP PV Associate
danbo...@gmail.com
970-672-4342




On Tue, Oct 31, 2023 at 11:39 AM Ron Young via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hello Wrenches,
>
> I am completely stumped. I built a Magnum 4448 panel for a client and it
> was installed by an electrician. It was thoroughly tested before going out
> the door on all functions and pre-programmed for the off-grid site.
> Electrician just had to hang it on the wall and make 4 connections, AC IN,
> AC OUT, BATTERY, PV. Somehow the system wouldn’t go into charge mode. The
> site is a 3 hour trip each way. The electrician was baffled, he had
> experience installing solar but very limited so I went to the site to see
> what the problem was. After spending a day checking out the inverter with
> two different generators, checking all the connections, AC at the inputs at
> the inverter and at the outputs on the breakers, and even removed the cover
> from the inverter to make sure some connections had not shaken loose inside
> the box on the long bumpy road into the property. Everything checked out.
> So assuming the AC board in the inverter was faulty I ordered a new unit to
> replace and that has now been done. SAME PROBLEM! I’m wondering now if it’s
> possible that the Magnum remote monitor could be the problem. It functions
> properly on every setting but is it possible there is an internal fault?
> Could it prevent the automatic charge cycle from initiating? Seems unlikely
> to me because the inverter can go into charge mode even without the
> monitor. I also tried replacing the connection cable between the monitor
> and inverter but no luck.
>
> The generators are both small, one a Honda 2kW and the other a Champion
> 3.8kW. Neither is ideal but I have had no issues with these types of
> generators in the past and the client has ordered a larger 10kW unit but we
> don’t have it yet to test. Generators have been run with Eco Mode off.
> Output to the house on bypass is consistent and without problem.
>
> Any suggestions - this is just confounding.
>
> Ron
>
>
> earthRight Products - Solareagle.com
>
> ___
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Re: [RE-wrenches] Magnum problem

[James Jarvis via RE-wrenches]

Are you referring to the MagWeb when you speak of the "remote monitor"? If
so, then no, it isn't interfering. It is a completely passive device on the
Magnum network and listens only.

-James Jefferson Jarvis
APRS World, LLC
+1-507-454-2727
http://www.aprsworld.com/


On Tue, Oct 31, 2023 at 11:39 AM Ron Young via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hello Wrenches,
>
> I am completely stumped. I built a Magnum 4448 panel for a client and it
> was installed by an electrician. It was thoroughly tested before going out
> the door on all functions and pre-programmed for the off-grid site.
> Electrician just had to hang it on the wall and make 4 connections, AC IN,
> AC OUT, BATTERY, PV. Somehow the system wouldn’t go into charge mode. The
> site is a 3 hour trip each way. The electrician was baffled, he had
> experience installing solar but very limited so I went to the site to see
> what the problem was. After spending a day checking out the inverter with
> two different generators, checking all the connections, AC at the inputs at
> the inverter and at the outputs on the breakers, and even removed the cover
> from the inverter to make sure some connections had not shaken loose inside
> the box on the long bumpy road into the property. Everything checked out.
> So assuming the AC board in the inverter was faulty I ordered a new unit to
> replace and that has now been done. SAME PROBLEM! I’m wondering now if it’s
> possible that the Magnum remote monitor could be the problem. It functions
> properly on every setting but is it possible there is an internal fault?
> Could it prevent the automatic charge cycle from initiating? Seems unlikely
> to me because the inverter can go into charge mode even without the
> monitor. I also tried replacing the connection cable between the monitor
> and inverter but no luck.
>
> The generators are both small, one a Honda 2kW and the other a Champion
> 3.8kW. Neither is ideal but I have had no issues with these types of
> generators in the past and the client has ordered a larger 10kW unit but we
> don’t have it yet to test. Generators have been run with Eco Mode off.
> Output to the house on bypass is consistent and without problem.
>
> Any suggestions - this is just confounding.
>
> Ron
>
>
> earthRight Products - Solareagle.com
>
> ___
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[RE-wrenches] Magnum problem

[Ron Young via RE-wrenches]

Hello Wrenches,

I am completely stumped. I built a Magnum 4448 panel for a client and it was 
installed by an electrician. It was thoroughly tested before going out the door 
on all functions and pre-programmed for the off-grid site. Electrician just had 
to hang it on the wall and make 4 connections, AC IN, AC OUT, BATTERY, PV. 
Somehow the system wouldn’t go into charge mode. The site is a 3 hour trip each 
way. The electrician was baffled, he had experience installing solar but very 
limited so I went to the site to see what the problem was. After spending a day 
checking out the inverter with two different generators, checking all the 
connections, AC at the inputs at the inverter and at the outputs on the 
breakers, and even removed the cover from the inverter to make sure some 
connections had not shaken loose inside the box on the long bumpy road into the 
property. Everything checked out. So assuming the AC board in the inverter was 
faulty I ordered a new unit to replace and that has now been done. SAME 
PROBLEM! I’m wondering now if it’s possible that the Magnum remote monitor 
could be the problem. It functions properly on every setting but is it possible 
there is an internal fault? Could it prevent the automatic charge cycle from 
initiating? Seems unlikely to me because the inverter can go into charge mode 
even without the monitor. I also tried replacing the connection cable between 
the monitor and inverter but no luck. 

The generators are both small, one a Honda 2kW and the other a Champion 3.8kW. 
Neither is ideal but I have had no issues with these types of generators in the 
past and the client has ordered a larger 10kW unit but we don’t have it yet to 
test. Generators have been run with Eco Mode off. Output to the house on bypass 
is consistent and without problem.

Any suggestions - this is just confounding.

Ron


earthRight Products - Solareagle.com 

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Re: [RE-wrenches] MAGNUM INVERTERS and breaker issues

[Andrew Perkins via RE-wrenches]

Hey Jeremy,

            I have run into this issue before and the one we found out to work 
the best is a Hubbell Part# GFRST20W.  Dont know if things have changed since 
last but give it a try. 



Good luck!


Andrew Perkins

Greenwired

Store Manager/Service Tech​

P: 707-923-2001 ext. 100

1150 #1 Evergreen Rd

Redway, CA 95560

http://www.greenwired.com





http://qr.codes/qTa1Mh












 On Sat, 23 Sep 2023 16:28:40 -0700 Jeremy Rodriguez via RE-wrenches 
 wrote ---



Wrenches 
Has anyone confirmed which AFCI, combo GF/ CAFI , or GF only circuit breaker 
brand names work with the PAE series inverter? 
The leviton combos seems to freak out! 
Regards , 
 
Jeremy Rodriguez 
Solar Installation / Design 
All Solar, Inc. 
1453 M St. 
Penrose Colorado 81240 
 
Sent by Jeremy's iPhone. Sorry for typos and shorthand. 
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[RE-wrenches] MAGNUM INVERTERS and breaker issues

[Jeremy Rodriguez via RE-wrenches]

Wrenches 
Has anyone confirmed which AFCI, combo GF/ CAFI , or GF only circuit breaker 
brand names work with the PAE series inverter? 
The leviton combos seems to freak out! 
Regards , 

Jeremy Rodriguez 
Solar Installation / Design
All Solar, Inc.
1453 M St. 
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand. 
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Re: [RE-wrenches] Magnum issues?

[Rich Nicol via RE-wrenches]

Magnum inverters are indeed trickling back  into suppliers but most boards seem 
to remain unavailable to repair shops. Sensata is apparently selling new 
equipment 1st rather than taking care of customers with damaged inverters or 
warranty repairs that have been waiting a couple of years for parts.

Frustrating.

 

 

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Andrew Perkins via RE-wrenches
Sent: Wednesday, June 21, 2023 12:54 PM
To: RE-wrenches
Cc: Andrew Perkins
Subject: Re: [RE-wrenches] Magnum issues?

 

Hey Ron,

That used to be the case for me here in California but as of 
recently I have been able to get MS4448PAE inverters from Zonna Energy over in 
PA. I don't know if they have boards these days but I would give them a try. 

 

Andrew Perkins

Greenwired

Store Manager/Service Tech​

P: 707-923-2001 ext. 100

1150 #1 Evergreen Rd

Redway, CA 95560

www.greenwired.com




 

 <http://qr.codes/qTa1Mh> Leave us a review!





 

 

 

 On Mon, 19 Jun 2023 13:01:11 -0700 Ron Young via RE-wrenches 
 wrote ---

 

I’m in Canada, on the west coast, and while the supply chain issues over the 
last 2 years with Magnum inverters were severe they seem to have eased over the 
last few months. However I have just had a local service depot tell me that 
repair boards are unavailable and to get back to them in 4 - 6 months!! Just 
asking my U.S. colleagues, have you had the same experience in the last few 
months or is this just a local issue?

 

Ron Young

 

earthRight Products - Solareagle.com

Alternative Energy Solutions ~ Renewable Energy Products

 

 

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Re: [RE-wrenches] Magnum issues?

[Andrew Perkins via RE-wrenches]

Hey Ron,

            That used to be the case for me here in California but as of 
recently I have been able to get MS4448PAE inverters from Zonna Energy over in 
PA. I don't know if they have boards these days but I would give them a try. 



Andrew Perkins

Greenwired

Store Manager/Service Tech​

P: 707-923-2001 ext. 100

1150 #1 Evergreen Rd

Redway, CA 95560

http://www.greenwired.com





http://qr.codes/qTa1Mh












 On Mon, 19 Jun 2023 13:01:11 -0700 Ron Young via RE-wrenches 
 wrote ---



I’m in Canada, on the west coast, and while the supply chain issues over the 
last 2 years with Magnum inverters were severe they seem to have eased over the 
last few months. However I have just had a local service depot tell me that 
repair boards are unavailable and to get back to them in 4 - 6 months!! Just 
asking my U.S. colleagues, have you had the same experience in the last few 
months or is this just a local issue?

Ron Young



earthRight Products - http://Solareagle.com

Alternative Energy Solutions ~ Renewable Energy Products









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[RE-wrenches] Magnum issues?

[Ron Young via RE-wrenches]

I’m in Canada, on the west coast, and while the supply chain issues over the 
last 2 years with Magnum inverters were severe they seem to have eased over the 
last few months. However I have just had a local service depot tell me that 
repair boards are unavailable and to get back to them in 4 - 6 months!! Just 
asking my U.S. colleagues, have you had the same experience in the last few 
months or is this just a local issue?

Ron Young

earthRight Products - Solareagle.com 
Alternative Energy Solutions ~ Renewable Energy Products


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Re: [RE-wrenches] Magnum Energy ME-AGS-S

[Bradley Bassett via RE-wrenches]

AEE might still have some of those if I remember

Brad.
Retired

On Thu, Jun 15, 2023, 7:41 AM Chris Daum via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hi folks:
>
>
>
> Any chance one of you has this auto gen start module they can part with?  I
> do NOT need the one with the network option…those are readily available.  
> Please
> contact me off list if you have one.
>
>
>
> Best,
>
>
>
> Chris Daum
>
> Oasis Montana Inc.
>
> 406-777-4309
>
> 406-777-4309 fax
>
> www.oasismontana.com
>
>
>
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[RE-wrenches] Magnum Energy ME-AGS-S

[Chris Daum via RE-wrenches]

Hi folks:
 
Any chance one of you has this auto gen start module they can part with?  I do 
NOT need the one with the network option…those are readily available.  Please 
contact me off list if you have one.
 
Best,
 
Chris Daum
Oasis Montana Inc.
406-777-4309 
406-777-4309 fax
www.oasismontana.com   
 
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[RE-wrenches] Magnum AGS-S auto-gen start module

[Chris Daum via RE-wrenches]

Hi folks:
 
If anyone’s got one to part with, please contact me off list.  I do NOT need 
the AGS-N…
 
Chris Daum  


Oasis Montana Inc.
406-777-4309 
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Re: [RE-wrenches] Magnum 4024PAE Won't Charge

[Starlight via RE-wrenches]

Hello Drake,

Since the relay board is functioning some times, I would more suspect (1) an 
intermittent controller board or (2) corrosion on the contact area of the 
header connection. They are relatively easy to change and not too expensive. 

One thing I would test first is to unplug the ARC remote the apply AC power. 
The ARC has the ability to control when incoming AC is used. Unplugging it will 
bypass all remote function as a cause, though I highly doubt it is.

Larry Crutcher
Starlight Solar Power Systems



On Jan 18, 2023, at 7:42 PM, Drake Chamberlin via RE-wrenches 
 wrote:

Hello Wrenches,

A Magnum 4024 won't charge batteries or transfer loads. The owner of the 
system, now well out of warranty, has spent hours on the phone with tech 
support and even took the unit into a Magnum authorized repair shop. The 
technician declared that it was working perfectly.

On connection to the utility grid, the ME-ARC shows no sign of seeing the 
power. Once in a great while, it will connect and start charging batteries. 
Then it will quit.

This seems to me like a matter of a relay not operating. The technician, who 
checked it out, believes that the problem is with the AC coming in. One tech 
support agent thought the same.

The inverter is 1000' plus from the transformer. The incoming voltage, with 
light loads, is 248 VAC. Shouldn't the ME-ARC at least show that it sees the 
grid, even if the voltage dropped upon connection to the point it couldn't hold 
it?

Isn't the Magnum charger pretty forgiving about voltage input? I've heard they 
can have issues with inverter-generators, but this is 60 Hz grid power.

Thank you,

Drake

Drake Chamberlin
Athens Electric LLC
Ohio Electrical Contractor’s License 44810
CO Master Electrician’s License 4526
NABCEP Certified PV Installation Professional

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[RE-wrenches] Magnum 4024PAE Won't Charge

[Drake Chamberlin via RE-wrenches]

Hello Wrenches,

A Magnum 4024 won't charge batteries or transfer loads. The owner of the 
system, now well out of warranty, has spent hours on the phone with tech 
support and even took the unit into a Magnum authorized repair shop. The 
technician declared that it was working perfectly.


On connection to the utility grid, the ME-ARC shows no sign of seeing 
the power. Once in a great while, it will connect and start charging 
batteries. Then it will quit.


This seems to me like a matter of a relay not operating. The technician, 
who checked it out, believes that the problem is with the AC coming in. 
One tech support agent thought the same.


The inverter is 1000' plus from the transformer. The incoming voltage, 
with light loads, is 248 VAC. Shouldn't the ME-ARC at least show that it 
sees the grid, even if the voltage dropped upon connection to the point 
it couldn't hold it?


Isn't the Magnum charger pretty forgiving about voltage input? I've 
heard they can have issues with inverter-generators, but this is 60 Hz 
grid power.


Thank you,

Drake

Drake Chamberlin
Athens Electric LLC
Ohio Electrical Contractor’s License 44810
CO Master Electrician’s License 4526
NABCEP Certified PV Installation Professional

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Re: [RE-wrenches] Magnum MS4024 grief

[Darryl Thayer via RE-wrenches]

Hi, happy holidays to all.  Of course it sounds like a dual bonding
situation.  Inverter generators are normally floating neutral, rotating
generators are normally neutral bonded internally in the generator.  The
GFCI detects a neutral current on the ground wire.  If the generator is
bonded internally it may be simplest to unbond at the generator.  However
you should bond ie ground the neutral downstream and only one bond.

On Fri, Dec 16, 2022 at 12:06 PM Chris Daum via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hi folks:
>
> We have a new Magnum MS4024 mounted on an E-Panel using a MidNite Classic
> 150 and Whiz-Bang JR with power coming from an array of Trina
> TSM365-De06X-05(II) (three strings of three) with the ME-RC50 and a HUP
> SolarOne 6-85-14/24 battery.
> When we attempt to use the PFC (Power Factored Charger), the Gen Set’s
> GFCI outlets trip.  Thus far we have verified the connections are secure,
> assured that the gen set is grounded, disconnected the jumper within the
> E-Panel between the ground buss and neutral, checked AC voltages, removed
> the MNSPD’s from the buss(s)…  Stumped now on what an appropriate next step
> should be.  How do we get the PFC to function properly?  What are we
> missing?
>
> Best,
>
> Chris Daum
> Oasis Montana Inc.
> 406-777-4309 or 4321
> 406-777-4309 fax
> www.oasismontana.com
>
>
>
>
>
>
>
>
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Re: [RE-wrenches] Magnum MS4024 grief

[Drake Chamberlin via RE-wrenches]

If all else fails, cut the equipment ground prong from the attachment
plug to the generator. The generator is internally grounded. You appear
to have an internal ground in your system somewhere.  


---

On 2022-12-16 13:35, Kirk Herander via RE-wrenches wrote:

You may have neutral and ground connected at more than 1 location, meaning at the genset and in house panel, which means the ground is carrying current back to the generator in parallel with the neutral. 

I remember with some Honda portables we had to float the neutral at the genset or the inverter would trip the generator's GFI when trying to charge the batteries. 

On Fri, Dec 16, 2022 at 1:16 PM Dave Angelini Offgrid Solar via RE-wrenches  wrote: 


The easy answer is try another genset !  You have to be more specific, did it 
ever work? Is it new? etc.  Good Luck !

Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail  offgridso...@sti.net
text 209 813 0060

On 2022-12-16 10:04 am, Chris Daum via RE-wrenches wrote: 
Hi folks:


We have a new Magnum MS4024 mounted on an E-Panel using a MidNite Classic 150 
and Whiz-Bang JR with power coming from an array of Trina TSM365-De06X-05(II) 
(three strings of three) with the ME-RC50 and a HUP SolarOne 6-85-14/24 battery.
When we attempt to use the PFC (Power Factored Charger), the Gen Set's GFCI 
outlets trip.  Thus far we have verified the connections are secure, assured 
that the gen set is grounded, disconnected the jumper within the E-Panel 
between the ground buss and neutral, checked AC voltages, removed the MNSPD's 
from the buss(s)...  Stumped now on what an appropriate next step should be.  
How do we get the PFC to function properly?  What are we missing?

Best,

Chris Daum
Oasis Montana Inc.
406-777-4309 or 4321
406-777-4309 fax
www.oasismontana.com [1] 


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 -- 

Kirk Herander / kirkh@vermont.solar 

Owner|Principal, VT Solar, LLC 

_Celebrating our 31st Anniversary 1991-2022!!_ 

www.vermont.solar [2] 

dba Vermont Solar Engineering 

802.863.1202 
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Links:
--
[1] http://www.oasismontana.com
[2]
https://nam02.safelinks.protection.outlook.com/?url=www.vermontsolarnow.com&data=02%7C01%7C%7C9f0330d75a244870112408d685311841%7C84df9e7fe9f640afb435%7C1%7C0%7C636842843233477645&sdata=0NjyuKeQbEK6245SNnk8X4XnP9Q%2B%2BqtvcALkdDghvk4%3D&reserved=0___
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Re: [RE-wrenches] Magnum MS4024 grief

[Sindelar Solar via RE-wrenches]

Chris,
I also found Kirk's response to capture what I would've checked first. 
Ray is correct about multiple neutral-ground bonds, but there's a point 
that I think has been missed. You didn't identify the generator, and I'm 
going to assume that it's a portable gasoline unit. They have GFCIs on 
the AC output because they're almost never connected to a solid ground, 
and that's the safest they can make the output - they internally bond 
neutral to the chassis of the gennie and run the output through a GFCI. 
When they're connected to an off grid home there's always going to be a 
ground loop in a correctly wired installation, because the Powercenter 
is the first point of disconnect and is thus where the overall system 
neutral-ground bond should be made.


In my experience there is no fully Code-compliant solution to this. At 
least, I never came up with one, and many years ago neither could John 
Wiles when I discussed it with him. You don't want to disconnect the 
bond in the E-Panel because if the gennie is the only bond point and 
it's disconnected (by unplugging it) your system ground becomes 
unbonded. Stationary generators generally separate the bond, or at least 
allow it to be separated (small Kohler units always allowed this), 
because of this very issue - for prime power (non-solar) applications 
the bond is made at the source, but where it's a secondary source it 
needs to be separated. Portable generators don't give this option.


The best solution John and I came up with is to treat the gennie as a 
separately derived system: ground it to its own rod; put it far enough 
from the home that you can't touch it and anything grounded in the home 
at the same time; bond normally in the E-Panel; and eliminate or 
disconnect and tie off the bonding conductor between the gennie and the 
PV system. Only by treating it as a separately derived system can you 
get around the requirement that all service equipment must be bonded.


And if the gennie has a separable neutral-ground bond that's been 
opened, I have no idea how to solve your issue... 😉

Allan
--
*Allan Sindelar*
al...@sindelarsolar.com 
(Former) NABCEP Certified PV Installation Professional
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive Energy, Inc.
Founder (Retired), Sindelar Solar
*505 780-2738 cell*

On 12/16/2022 12:44 PM, Ray Walters via RE-wrenches wrote:


Undoing the N-G bond at the E panel may not do it either.  Are you 
sure neutral isn't also bonded in the main distribution panel?  It 
usually is bonded at the generator, so you definitely have to unbond 
there.  I'd say 60 to 70% of off grid systems are not bonded correctly 
that I've seen.  Just what Kirk said: it should only be bonded N-G at 
one and only one spot.  Check sub panels too.  My record was seven N-G 
bonds on one site.  It caused the shower to be energized; the customer 
thought that was normal(don't touch the shower head!?!).That 
site even had a N-G bond in the well pump wiring!  Took 3 days of 
unF***ing that wiring to finally get it.


It ain't safe, until it's right.  The GFCI is doing its job, and so is 
the Magnum.  Now the electrician has to do his job. Unless you wired 
the whole house, you're On to fix it. Especially off grid, I see an 
amazing bunch of DIY garbage. Find out who did the original wiring.  
Probably not a pro.


Ray Walters
Remote Solar

On 12/16/2022 11:35 AM, Kirk Herander via RE-wrenches wrote:
You may have neutral and ground connected at more than 1 location, 
meaning at the genset and in house panel, which means the ground is 
carrying current back to the generator in parallel with the neutral.


I remember with some Honda portables we had to float the neutral at 
the genset or the inverter would trip the generator's GFI when trying 
to charge the batteries.


On Fri, Dec 16, 2022 at 1:16 PM Dave Angelini Offgrid Solar via 
RE-wrenches  wrote:


The easy answer is try another genset ! You have to be more
specific, did it ever work? Is it new? etc. Good Luck !

*Dave Angelini Offgrid Solar "we go where powerlines don't"
http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net
text 209 813 0060*

On 2022-12-16 10:04 am, Chris Daum via RE-wrenches wrote:


Hi folks:

We have a new Magnum MS4024 mounted on an E-Panel using a
MidNite Classic 150 and Whiz-Bang JR with power coming from an
array of Trina TSM365-De06X-05(II) (three strings of three) with
the ME-RC50 and a HUP SolarOne 6-85-14/24 battery.
When we attempt to use the PFC (Power Factored Charger), the Gen
Set’s GFCI outlets trip.  Thus far we have verified the
connections are secure, assured that the gen set is grounded,
disconnected the jumper within the E-Panel between the ground
buss and neutral, checked AC voltages, removed the MNSPD’s from
the buss(s)…  Stumped now on what an appropriate next step
should be.  How do we get the PFC to fun

Re: [RE-wrenches] Magnum MS4024 grief

[Roy Butler via RE-wrenches]

My bet is on a neutral to ground bond inside the generator!

Roy Butler
Four Winds Renewable Energy, LLC
8902 Route 46, Arkport, NY 14807
607-324-9747www.four-winds-energy.com

Education is when you read the fine print; experience is what you get when you 
don’t.

“The less people know, the more stubbornly they know it.”

Although no trees were killed in the sending of this message,
a large number of electrons were terribly inconvenienced.




On 12/16/2022 1:35 PM, Kirk Herander via RE-wrenches wrote:
You may have neutral and ground connected at more than 1 location, 
meaning at the genset and in house panel, which means the ground is 
carrying current back to the generator in parallel with the neutral.


I remember with some Honda portables we had to float the neutral at 
the genset or the inverter would trip the generator's GFI when trying 
to charge the batteries.


On Fri, Dec 16, 2022 at 1:16 PM Dave Angelini Offgrid Solar via 
RE-wrenches  wrote:


The easy answer is try another genset ! You have to be more
specific, did it ever work? Is it new? etc. Good Luck !

*Dave Angelini Offgrid Solar "we go where powerlines don't"
http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net
text 209 813 0060*


On 2022-12-16 10:04 am, Chris Daum via RE-wrenches wrote:


Hi folks:

We have a new Magnum MS4024 mounted on an E-Panel using a MidNite
Classic 150 and Whiz-Bang JR with power coming from an array of
Trina TSM365-De06X-05(II) (three strings of three) with the
ME-RC50 and a HUP SolarOne 6-85-14/24 battery.
When we attempt to use the PFC (Power Factored Charger), the Gen
Set’s GFCI outlets trip.  Thus far we have verified the
connections are secure, assured that the gen set is grounded,
disconnected the jumper within the E-Panel between the ground
buss and neutral, checked AC voltages, removed the MNSPD’s from
the buss(s)…  Stumped now on what an appropriate next step should
be.  How do we get the PFC to function properly?  What are we
missing?

Best,

Chris Daum
Oasis Montana Inc.
406-777-4309 or 4321
406-777-4309 fax
www.oasismontana.com 








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--

*Kirk Herander / **kirkh@vermont.solar*

*Owner|Principal, VT Solar, LLC*

*/Celebrating our 31^st  Anniversary 1991-2022!!/*

*www.vermont.solar* 



dba Vermont Solar Engineering

802.863.1202


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Re: [RE-wrenches] Magnum MS4024 grief

[Ray Walters via RE-wrenches]

Undoing the N-G bond at the E panel may not do it either.  Are you sure 
neutral isn't also bonded in the main distribution panel?  It usually is 
bonded at the generator, so you definitely have to unbond there.  I'd 
say 60 to 70% of off grid systems are not bonded correctly that I've 
seen.  Just what Kirk said: it should only be bonded N-G at one and only 
one spot.  Check sub panels too.  My record was seven N-G bonds on one 
site.  It caused the shower to be energized; the customer thought that 
was normal(don't touch the shower head!?!).That site even had a 
N-G bond in the well pump wiring!  Took 3 days of unF***ing that wiring 
to finally get it.


It ain't safe, until it's right.  The GFCI is doing its job, and so is 
the Magnum.  Now the electrician has to do his job.  Unless you wired 
the whole house, you're On to fix it.  Especially off grid, I see an 
amazing bunch of DIY garbage.  Find out who did the original wiring.  
Probably not a pro.


Ray Walters
Remote Solar

On 12/16/2022 11:35 AM, Kirk Herander via RE-wrenches wrote:
You may have neutral and ground connected at more than 1 location, 
meaning at the genset and in house panel, which means the ground is 
carrying current back to the generator in parallel with the neutral.


I remember with some Honda portables we had to float the neutral at 
the genset or the inverter would trip the generator's GFI when trying 
to charge the batteries.


On Fri, Dec 16, 2022 at 1:16 PM Dave Angelini Offgrid Solar via 
RE-wrenches  wrote:


The easy answer is try another genset ! You have to be more
specific, did it ever work? Is it new? etc. Good Luck !

*Dave Angelini Offgrid Solar "we go where powerlines don't"
http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net
text 209 813 0060*


On 2022-12-16 10:04 am, Chris Daum via RE-wrenches wrote:


Hi folks:

We have a new Magnum MS4024 mounted on an E-Panel using a MidNite
Classic 150 and Whiz-Bang JR with power coming from an array of
Trina TSM365-De06X-05(II) (three strings of three) with the
ME-RC50 and a HUP SolarOne 6-85-14/24 battery.
When we attempt to use the PFC (Power Factored Charger), the Gen
Set’s GFCI outlets trip.  Thus far we have verified the
connections are secure, assured that the gen set is grounded,
disconnected the jumper within the E-Panel between the ground
buss and neutral, checked AC voltages, removed the MNSPD’s from
the buss(s)…  Stumped now on what an appropriate next step should
be.  How do we get the PFC to function properly?  What are we
missing?

Best,

Chris Daum
Oasis Montana Inc.
406-777-4309 or 4321
406-777-4309 fax
www.oasismontana.com 








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--

*Kirk Herander / **kirkh@vermont.solar*

*Owner|Principal, VT Solar, LLC*

*/Celebrating our 31^st  Anniversary 1991-2022!!/*

*www.vermont.solar* 



dba Vermont Solar Engineering

802.863.1202


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Re: [RE-wrenches] Magnum MS4024 grief

[Kirk Herander via RE-wrenches]

You may have neutral and ground connected at more than 1 location, meaning
at the genset and in house panel, which means the ground is carrying
current back to the generator in parallel with the neutral.

I remember with some Honda portables we had to float the neutral at the
genset or the inverter would trip the generator's GFI when trying to charge
the batteries.

On Fri, Dec 16, 2022 at 1:16 PM Dave Angelini Offgrid Solar via RE-wrenches
 wrote:

> The easy answer is try another genset !  You have to be more specific, did it 
> ever work? Is it new? etc.  Good Luck !
>
> *Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/ 
> e-mail  offgridso...@sti.net 
> text 209 813 0060*
>
>
> On 2022-12-16 10:04 am, Chris Daum via RE-wrenches wrote:
>
> Hi folks:
>
> We have a new Magnum MS4024 mounted on an E-Panel using a MidNite Classic
> 150 and Whiz-Bang JR with power coming from an array of Trina
> TSM365-De06X-05(II) (three strings of three) with the ME-RC50 and a HUP
> SolarOne 6-85-14/24 battery.
> When we attempt to use the PFC (Power Factored Charger), the Gen Set’s
> GFCI outlets trip.  Thus far we have verified the connections are secure,
> assured that the gen set is grounded, disconnected the jumper within the
> E-Panel between the ground buss and neutral, checked AC voltages, removed
> the MNSPD’s from the buss(s)…  Stumped now on what an appropriate next step
> should be.  How do we get the PFC to function properly?  What are we
> missing?
>
> Best,
>
> Chris Daum
> Oasis Montana Inc.
> 406-777-4309 or 4321
> 406-777-4309 fax
> www.oasismontana.com
>
>
>
>
>
>
>
>
> ___
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>
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>

-- 

*Kirk Herander / **kirkh@vermont.solar *

*Owner|Principal, VT Solar, LLC*

*Celebrating our 31st Anniversary 1991-2022!!*

*www.vermont.solar*


dba Vermont Solar Engineering

802.863.1202
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Re: [RE-wrenches] Magnum MS4024 grief

[Dave Angelini Offgrid Solar via RE-wrenches]

The easy answer is try another genset !  You have to be more specific, 
did it ever work? Is it new? etc.  Good Luck !


Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail  offgridso...@sti.net
text 209 813 0060

On 2022-12-16 10:04 am, Chris Daum via RE-wrenches wrote:


Hi folks:

We have a new Magnum MS4024 mounted on an E-Panel using a MidNite 
Classic 150 and Whiz-Bang JR with power coming from an array of Trina 
TSM365-De06X-05(II) (three strings of three) with the ME-RC50 and a HUP 
SolarOne 6-85-14/24 battery.
When we attempt to use the PFC (Power Factored Charger), the Gen Set's 
GFCI outlets trip.  Thus far we have verified the connections are 
secure, assured that the gen set is grounded, disconnected the jumper 
within the E-Panel between the ground buss and neutral, checked AC 
voltages, removed the MNSPD's from the buss(s)…  Stumped now on what an 
appropriate next step should be.  How do we get the PFC to function 
properly?  What are we missing?


Best,

Chris Daum
Oasis Montana Inc.
406-777-4309 or 4321
406-777-4309 fax
www.oasismontana.com [1]

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Links:
--
[1] http://www.oasismontana.com___
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[RE-wrenches] Magnum MS4024 grief

[Chris Daum via RE-wrenches]

Hi folks:

We have a new Magnum MS4024 mounted on an E-Panel using a MidNite Classic 150 
and Whiz-Bang JR with power coming from an array of Trina TSM365-De06X-05(II) 
(three strings of three) with the ME-RC50 and a HUP SolarOne 6-85-14/24 battery.
When we attempt to use the PFC (Power Factored Charger), the Gen Set’s GFCI 
outlets trip.  Thus far we have verified the connections are secure, assured 
that the gen set is grounded, disconnected the jumper within the E-Panel 
between the ground buss and neutral, checked AC voltages, removed the MNSPD’s 
from the buss(s)…  Stumped now on what an appropriate next step should be.  How 
do we get the PFC to function properly?  What are we missing?

Best,

Chris Daum
Oasis Montana Inc.
406-777-4309 or 4321
406-777-4309 fax
www.oasismontana.com 








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Re: [RE-wrenches] Magnum Energy/Sensata issues

[Roy Butler via RE-wrenches]

BrianMagnum was at SPI, not sure why though. It was a very small 
both with their quad stack and not much else.


Roy Butler
Four Winds Renewable Energy, LLC
8902 Route 46, Arkport, NY 14807
607-324-9747www.four-winds-energy.com

Education is when you read the fine print; experience is what you get when you 
don’t.

“The less people know, the more stubbornly they know it.”

Although no trees were killed in the sending of this message,
a large number of electrons were terribly inconvenienced.




On 9/27/2022 5:55 PM, Brian Mehalic via RE-wrenches wrote:
For what it is worth, I don't recall seeing a Magnum/Sensata booth at 
the show formerly known as SPI last week.


Brian Mehalic
NABCEP Certified Solar PV Installation Professional™ R031508-59
National Electrical Code® CMP-4 Member
(520) 204-6639

Solar Energy International
http://www.solarenergy.org

SEI Professional Services
http://www.seisolarpros.com 



On Tue, Sep 27, 2022 at 2:53 PM Chris Daum via RE-wrenches 
 wrote:


Hi folks:

Anyone else having issues regarding a total lack of tech support
of Magnum products?We have a failed MS2812 inverter a customer
bought last September of 2021, and we’ve tried repeatedly since
August 16 to get any response.All we hear back is their
auto-responder saying ‘they will be in touch with us shortly’.

Frustrating!

Chris Daum

Oasis Montana Inc.

406-777-4309

406-777-4309 fax

www.oasismontana.com 

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Re: [RE-wrenches] Magnum Energy/Sensata issues

[Brian Mehalic via RE-wrenches]

For what it is worth, I don't recall seeing a Magnum/Sensata booth at the
show formerly known as SPI last week.

Brian Mehalic
NABCEP Certified Solar PV Installation Professional™ R031508-59
National Electrical Code® CMP-4 Member
(520) 204-6639

Solar Energy International
http://www.solarenergy.org

SEI Professional Services
http://www.seisolarpros.com



On Tue, Sep 27, 2022 at 2:53 PM Chris Daum via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hi folks:
>
>
>
> Anyone else having issues regarding a total lack of tech support of Magnum
> products?  We have a failed MS2812 inverter a customer bought last
> September of 2021, and we’ve tried repeatedly since August 16 to get any
> response.  All we hear back is their auto-responder saying ‘they will be
> in touch with us shortly’.
>
>
>
> Frustrating!
>
>
>
> Chris Daum
>
> Oasis Montana Inc.
>
> 406-777-4309
>
> 406-777-4309 fax
>
> www.oasismontana.com
>
>
>
>
>
>
> ___
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[RE-wrenches] Magnum Energy/Sensata issues

[Chris Daum via RE-wrenches]

Hi folks:
 
Anyone else having issues regarding a total lack of tech support of Magnum 
products?  We have a failed MS2812 inverter a customer bought last September of 
2021, and we’ve tried repeatedly since August 16 to get any response.  All we 
hear back is their auto-responder saying ‘they will be in touch with us 
shortly’.
 
Frustrating!
 
Chris Daum
Oasis Montana Inc.
406-777-4309 
406-777-4309 fax
  www.oasismontana.com 
 
 
 
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Re: [RE-wrenches] Magnum Inverters

[Tom Duffy via RE-wrenches]

Magnum has told us 24 weeks lead time

Tom Duffy
Senior Solar Design Engineer

As the world focuses on the Russian invasion of Ukraine and every day Americans 
start feeling the impacts of this conflict, there is growing consensus that we 
can no longer rely on foreign adversaries for our energy needs.
If we want to diversify our energy sources and reinforce American energy 
independence, encouraging solar and storage deployment and investing in 
domestic manufacturing is the best opportunity we have to double down on clean, 
and reliable energy.
Congress is considering federal budget legislation that invests in clean energy 
and makes a major dent in President Biden's decarbonization goals. While this 
is an important opportunity to create jobs and expand solar accessibility, it's 
also an opportunity to eliminate U.S. reliance on energy from countries that do 
not align with our national interests.
[cid:image001.png@01D8A366.F11F4660]
t...@solar-biz.com<mailto:t...@solar-biz.com>
MAIN TOLL FREE: 888-826-0939
DIRECT: 888-503-6772
International: 001-575-539-2111
PANAMA: 507-836-5588 X 122
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From: RE-wrenches  On Behalf Of Ron 
Young via RE-wrenches
Sent: Wednesday, July 20, 2022 3:26 PM
To: RE-wrenches 
Cc: Ron Young 
Subject: Re: [RE-wrenches] Magnum Inverters

I have been waiting literally months for delivery of 4024 and 4448 PAE 
inverters both this year and 2021. It seems Magnum has dropped through the 
cracks in the floorboards. My supplier, the largest in Canada, has no idea of 
future shipments, they just show up without advance notice. I think Magnum is 
in trouble.

Ron Young
earthRight Solar - Solareagle.com<http://Solareagle.com>


On Jul 20, 2022, at 8:08 AM, Luke Christy via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:

Hi Jeremy,
Check with Zonna Energy in PA. I use them for almost all of my off-grid 
equipment now and have been very happy with the service and pricing. They 
normally stock Magnum equipment but I have not checked on inverters in a while.


Luke Christy
719-588-3044
sgsrenewab...@gmail.com<mailto:sgsrenewab...@gmail.com>

On Jul 20, 2022, at 5:29 AM, Jeremy Rodriguez via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:

Does anyone have a source these days for Magnum Energy Inverters?
Contact me off list if needed.


Jeremy Rodriguez
Solar Installation / Design Expert
All Solar, Inc.
1453 M St
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.
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Re: [RE-wrenches] Magnum inverter/generator integration problems

[Jay via RE-wrenches]

Hi Chris. 

I’m a bit confused about the breaker on the BMK. That’s the battery monitor?  
No breakers. 

If you mean the inverter, then check that both legs are working. I’ve had a 
similar issue in the past that turned out to be a bad 240v breaker. 1 side 
didn’t work, but because of how the magnum works if you check volts it will 
read right. 
Have to check with clamp on for current
The inverter overloads with 120v input, and yeah takes about 10-15 minutes.  
Might give it a check. 

Jay



> On Jul 25, 2022, at 12:08 PM, Chris Daum via RE-wrenches 
>  wrote:
> 
> 
> Hi folks, I’m trying to help a fellow with two Magnum Systems; one of them 
> will accept his Honda EG5000CL gen set, the other will not.
> After running for a bout 10~15 minutes the circuit breaker pops on the BMK.  
> He will be rebooting his BMK this evening in the first attempt at getting his 
> system back up.   He has been powering this system with a Predator 3500w Gen 
> set, along with his solar array.
> The system will not accept the Honda.  Any ideas of clues to check out?
>  
> Sincerely,
>  
> Chris Daum
> Oasis Montana Inc.
> 406-777-4321
> www.oasismontana.com
>  
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Re: [RE-wrenches] Magnum inverter/generator integration problems

[Eric Smiley via RE-wrenches]

Also check bonding and ground loops (e.g. genny neutral bonded and also
bonded at main panel). This can cause voltage to bounce around and the
inverter won't sync.


*Eric Smiley,* Project Manager
e...@vecoop.ca
T: 250.703.6004 <+12507036004>
T: 888.386.0116 <+18883860116>
*VIRIDIANENERGY.CA *

* *


On Mon, 25 Jul 2022 at 11:32, Chris Sparadeo via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hi Chris,
>
> Might sound simple, but I always start by verifying that the generator is
> NOT in Eco-mode and that it is correctly set to the desired voltage output
> (seems like in this case that would be 120/240VAC). If those check out,
> verify that the cord is properly made up and correctly seated in the unit.
> If all these things check out, monitor voltage and frequency for highs and
> lows. Cross reference with parameters set on inverter/charger.
>
> Kindly,
>
> Chris
>
> On Mon, Jul 25, 2022 at 2:08 PM Chris Daum via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
>> Hi folks, I’m trying to help a fellow with two Magnum Systems; one of
>> them will accept his Honda EG5000CL gen set, the other will not.
>>
>> After running for a bout 10~15 minutes the circuit breaker pops on the
>> BMK.  He will be rebooting his BMK this evening in the first attempt at
>> getting his system back up.   He has been powering this system with a
>> Predator 3500w Gen set, along with his solar array.
>>
>> The system will not accept the Honda.  Any ideas of clues to check out?
>>
>>
>>
>> Sincerely,
>>
>>
>>
>> Chris Daum
>>
>> Oasis Montana Inc.
>>
>> 406-777-4321
>>
>> www.oasismontana.com
>>
>>
>>
>> ___
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>>
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>>
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>>
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>> --
> Chris Sparadeo
>
>
> C_802-369-4458
> H_802-728-3059
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Re: [RE-wrenches] Magnum inverter/generator integration problems

[Chris Sparadeo via RE-wrenches]

Hi Chris,

Might sound simple, but I always start by verifying that the generator is
NOT in Eco-mode and that it is correctly set to the desired voltage output
(seems like in this case that would be 120/240VAC). If those check out,
verify that the cord is properly made up and correctly seated in the unit.
If all these things check out, monitor voltage and frequency for highs and
lows. Cross reference with parameters set on inverter/charger.

Kindly,

Chris

On Mon, Jul 25, 2022 at 2:08 PM Chris Daum via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hi folks, I’m trying to help a fellow with two Magnum Systems; one of them
> will accept his Honda EG5000CL gen set, the other will not.
>
> After running for a bout 10~15 minutes the circuit breaker pops on the
> BMK.  He will be rebooting his BMK this evening in the first attempt at
> getting his system back up.   He has been powering this system with a
> Predator 3500w Gen set, along with his solar array.
>
> The system will not accept the Honda.  Any ideas of clues to check out?
>
>
>
> Sincerely,
>
>
>
> Chris Daum
>
> Oasis Montana Inc.
>
> 406-777-4321
>
> www.oasismontana.com
>
>
>
> ___
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>
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>
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> --
Chris Sparadeo


C_802-369-4458
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[RE-wrenches] Magnum inverter/generator integration problems

[Chris Daum via RE-wrenches]

Hi folks, I’m trying to help a fellow with two Magnum Systems; one of them will 
accept his Honda EG5000CL gen set, the other will not.
After running for a bout 10~15 minutes the circuit breaker pops on the BMK.  He 
will be rebooting his BMK this evening in the first attempt at getting his 
system back up.   He has been powering this system with a Predator 3500w Gen 
set, along with his solar array.
The system will not accept the Honda.  Any ideas of clues to check out?
 
Sincerely,
 
Chris Daum
Oasis Montana Inc.
406-777-4321
  www.oasismontana.com 
 
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Re: [RE-wrenches] Magnum Inverters

[Allan Sindelar via RE-wrenches]

One caution, Jeremy. The EVOs that I used are only available in 120V input and 
output, and Magnum PAEs are split phase 120/240. 
Allan

> On Jul 23, 2022, at 3:34 PM, Jeremy Rodriguez via RE-wrenches 
>  wrote:
> 
>  We’ve ordered one to try since we cannot get the PAEs.
> I hope Magnum can resume shipping orders in the 38 weeks I was told!
> 
> Jeremy Rodriguez 
> Solar Installation / Design Expert 
> All Solar, Inc.
> 1453 M St
> Penrose Colorado 81240
> 
> Sent by Jeremy's iPhone. Sorry for typos and shorthand. 
> 
>>> On Jul 23, 2022, at 1:24 PM, Sindelar Solar via RE-wrenches 
>>>  wrote:
>>> 
>>  I have installed three of the Samlex EVO series in the last few years, all 
>> 24V units and all with Midnite E-Panels, and all have worked flawlessly. 
>> I've ordered all as preassembled units from Midnite.
>> Allan
>> 
>>> On 7/20/2022 4:34 PM, Bradley Bassett via RE-wrenches wrote:
>>> The Samlex EVO4248SP is a potential substitute. The only system panel is 
>>> the MidNite E-panel. This is a 4.2 kW split phase inverter. 
>>> Brad
>>> AEE Solar
>> 
>>> -- 
>>> Allan Sindelar
>>> al...@sindelarsolar.com
>>> New Mexico EE98J Journeyman Electrician
>>> Founder (Retired), Positive Energy, Inc.
>>> 505 780-2738 cell
>>> 
>>>  
>>> 
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Re: [RE-wrenches] Magnum Inverters

[Jeremy Rodriguez via RE-wrenches]

We’ve ordered one to try since we cannot get the PAEs.
I hope Magnum can resume shipping orders in the 38 weeks I was told!

Jeremy Rodriguez
Solar Installation / Design Expert
All Solar, Inc.
1453 M St
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.

On Jul 23, 2022, at 1:24 PM, Sindelar Solar via RE-wrenches 
 wrote:

 I have installed three of the Samlex EVO series in the last few years, all 
24V units and all with Midnite E-Panels, and all have worked flawlessly. I've 
ordered all as preassembled units from Midnite.
Allan

On 7/20/2022 4:34 PM, Bradley Bassett via RE-wrenches wrote:
The Samlex EVO4248SP is a potential substitute. The only system panel is the 
MidNite E-panel. This is a 4.2 kW split phase inverter.
Brad
AEE Solar

--
Allan Sindelar
al...@sindelarsolar.com
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive Energy, Inc.
505 780-2738 cell

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Re: [RE-wrenches] Magnum Inverters

[Sindelar Solar via RE-wrenches]

I have installed three of the Samlex EVO series in the last few years, 
all 24V units and all with Midnite E-Panels, and all have worked 
flawlessly. I've ordered all as preassembled units from Midnite.

Allan

On 7/20/2022 4:34 PM, Bradley Bassett via RE-wrenches wrote:
The Samlex EVO4248SP is a potential substitute. The only system panel 
is the MidNite E-panel. This is a 4.2 kW split phase inverter.

Brad
AEE Solar



--

*Allan Sindelar*
al...@sindelarsolar.com 
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive Energy, Inc.
*505 780-2738 cell*
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Re: [RE-wrenches] Magnum Inverters

[Bradley Bassett via RE-wrenches]

The Samlex EVO4248SP is a potential substitute. The only system panel is the 
MidNite E-panel. This is a 4.2 kW split phase inverter. 

Brad
AEE Solar

Sent from my iPhone

> On Jul 20, 2022, at 1:25 PM, Ron Young via RE-wrenches 
>  wrote:
> 
> I have been waiting literally months for delivery of 4024 and 4448 PAE 
> inverters both this year and 2021. It seems Magnum has dropped through the 
> cracks in the floorboards. My supplier, the largest in Canada, has no idea of 
> future shipments, they just show up without advance notice. I think Magnum is 
> in trouble.
> 
> Ron Young
> earthRight Solar - Solareagle.com
> 
>> On Jul 20, 2022, at 8:08 AM, Luke Christy via RE-wrenches 
>>  wrote:
>> 
>> Hi Jeremy,
>> Check with Zonna Energy in PA. I use them for almost all of my off-grid 
>> equipment now and have been very happy with the service and pricing. They 
>> normally stock Magnum equipment but I have not checked on inverters in a 
>> while. 
>> 
>> 
>> Luke Christy
>> 719-588-3044
>> sgsrenewab...@gmail.com
>> 
>> 
>>> On Jul 20, 2022, at 5:29 AM, Jeremy Rodriguez via RE-wrenches 
>>>  wrote:
>>> 
>>> Does anyone have a source these days for Magnum Energy Inverters? 
>>> Contact me off list if needed. 
>>> 
>>> 
>>> 
>>> Jeremy Rodriguez 
>>> Solar Installation / Design Expert 
>>> All Solar, Inc.
>>> 1453 M St
>>> Penrose Colorado 81240
>>> 
>>> Sent by Jeremy's iPhone. Sorry for typos and shorthand. 
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Re: [RE-wrenches] Magnum Inverters

[Ron Young via RE-wrenches]

I have been waiting literally months for delivery of 4024 and 4448 PAE 
inverters both this year and 2021. It seems Magnum has dropped through the 
cracks in the floorboards. My supplier, the largest in Canada, has no idea of 
future shipments, they just show up without advance notice. I think Magnum is 
in trouble.

Ron Young
earthRight Solar - Solareagle.com

> On Jul 20, 2022, at 8:08 AM, Luke Christy via RE-wrenches 
>  wrote:
> 
> Hi Jeremy,
> Check with Zonna Energy in PA. I use them for almost all of my off-grid 
> equipment now and have been very happy with the service and pricing. They 
> normally stock Magnum equipment but I have not checked on inverters in a 
> while. 
> 
> 
> Luke Christy
> 719-588-3044
> sgsrenewab...@gmail.com 
> 
> 
>> On Jul 20, 2022, at 5:29 AM, Jeremy Rodriguez via RE-wrenches 
>> > > wrote:
>> 
>> Does anyone have a source these days for Magnum Energy Inverters? 
>> Contact me off list if needed. 
>> 
>> 
>> 
>> Jeremy Rodriguez 
>> Solar Installation / Design Expert 
>> All Solar, Inc.
>> 1453 M St
>> Penrose Colorado 81240
>> 
>> Sent by Jeremy's iPhone. Sorry for typos and shorthand. 
>> ___
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Re: [RE-wrenches] Magnum Inverters

[Luke Christy via RE-wrenches]

Hi Jeremy,
Check with Zonna Energy in PA. I use them for almost all of my off-grid 
equipment now and have been very happy with the service and pricing. They 
normally stock Magnum equipment but I have not checked on inverters in a while. 


Luke Christy
719-588-3044
sgsrenewab...@gmail.com


> On Jul 20, 2022, at 5:29 AM, Jeremy Rodriguez via RE-wrenches 
>  wrote:
> 
> Does anyone have a source these days for Magnum Energy Inverters? 
> Contact me off list if needed. 
> 
> 
> 
> Jeremy Rodriguez 
> Solar Installation / Design Expert 
> All Solar, Inc.
> 1453 M St
> Penrose Colorado 81240
> 
> Sent by Jeremy's iPhone. Sorry for typos and shorthand. 
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Re: [RE-wrenches] Magnum Inverters

[Chris Daum via RE-wrenches]

I’ve recently been told…likely 6 month lead time or more.  :>(
 
Chris Daum
Oasis Montana Inc.
406-777-4309
406-777-4309 fax
 <http://www.oasismontana.com> www.oasismontana.com 
 
 
From: RE-wrenches  On Behalf Of 
Sindelar Solar via RE-wrenches
Sent: Wednesday, July 20, 2022 6:27 AM
To: Jeremy Rodriguez via RE-wrenches 
Cc: Sindelar Solar 
Subject: Re: [RE-wrenches] Magnum Inverters
 
Jeremy,
I have long and happily used Backwoods Solar, who carries Magnum, but I checked 
their website and see that all split-phase Magnums are shown as on backorder. 
I work with Erika Karnitz, 541 482-3439.
Allan
On 7/20/2022 5:29 AM, Jeremy Rodriguez via RE-wrenches wrote:
Does anyone have a source these days for Magnum Energy Inverters?  
Contact me off list if needed. 
 
Jeremy Rodriguez  
Solar Installation / Design Expert 
All Solar, Inc. 
1453 M St
Penrose Colorado 81240
 
Sent by Jeremy's iPhone. Sorry for typos and shorthand. 
-- 


Allan Sindelar
 <mailto:al...@sindelarsolar.com> al...@sindelarsolar.com
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive Energy, Inc.
505 780-2738 cell
 
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Re: [RE-wrenches] Magnum Inverters

[Sindelar Solar via RE-wrenches]

Jeremy,
I have long and happily used Backwoods Solar, who carries Magnum, but I 
checked their website and see that all split-phase Magnums are shown as 
on backorder.

I work with Erika Karnitz, 541 482-3439.
Allan

On 7/20/2022 5:29 AM, Jeremy Rodriguez via RE-wrenches wrote:

Does anyone have a source these days for Magnum Energy Inverters?
Contact me off list if needed.

Jeremy Rodriguez
Solar Installation / Design Expert
All Solar, Inc.
1453 M St
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.

--

*Allan Sindelar*
al...@sindelarsolar.com 
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive Energy, Inc.
*505 780-2738 cell*
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[RE-wrenches] Magnum Inverters

[Jeremy Rodriguez via RE-wrenches]

Does anyone have a source these days for Magnum Energy Inverters?
Contact me off list if needed.



Jeremy Rodriguez
Solar Installation / Design Expert
All Solar, Inc.
1453 M St
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.
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[RE-wrenches] Magnum board repair

[RE Ellison via RE-wrenches]

Does anybody know of an individual or company that repairs boards for the 
Magnum 4024 inverters ?

Seems that I’ve read there’s people doing outback boards But but I’d like to 
find somebody that could do them for the magnums

Thanks
Bob Ellison
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Re: [RE-wrenches] Magnum MM1524AE rebuild?

[Chris Worcester]

I have had success with putting together either (3, for 24 v systems) or (6, 
for 48 v systems) 9 V Duracell batteries to jump start off grid OutBack systems 
when their battery banks have been unattended for too long, last one sat for a 
year & a half due to the covid before the owners got back into their remote 
cabin. The 24 v battery bank measured ~ 4 volts. I was able to re-awaken the OB 
MX60 and FX2524 long enough to have the solar kick in and start charging the 
system, keeping the inverter on long enough to get a gen set to engage 
recharging. 

What is the thought on using 9 v batteries to bring up the caps on the Magnum’s 
during initial startup?  

 

Chris Worcester

Solar Wind Works

NABCEP PV Installation Professional

Cell 530-448-9692

www.solarwindworks.com

ch...@solarwindworks.com

 

From: RE-wrenches  On Behalf Of Jeff 
Clearwater
Sent: Monday, June 14, 2021 9:01 AM
To: drake.chamber...@redwoodalliance.org
Cc: RE-wrenches 
Subject: Re: [RE-wrenches] Magnum MM1524AE rebuild?

 

oh and of course I put an inline fuse in the circuit.

The current that flows of course will be dependent on battery voltage and 
resistor ohms.  So with a 48 VDC pack you could go up in resistance - just 
figure per ohm - volt - amp formulas/calculator  here. 
<http://www.sengpielaudio.com/calculator-ohm.htm> 

With less than 5 amps - you'll get a nice ramp up fill of your caps on most 
inverters we use in the industry.

Hope that helps!

Jeff Clearwater
Village Power Design



Jeff Clearwater <mailto:je...@villagepowerdesign.com> 

June 14, 2021 at 8:53 AM

Hi Drake,

So it's simply a momentary bypass circuit from the Load side to the Line side 
of your Main Inverter Breaker.  So from battery side of inverter to momentary 
on-off switch to resistor to inverter side of breaker.

I used a 25 Ohm 50 watt resistor. this one 
<https://www.amazon.com/YiePhiot-Resistor-Aluminum-Wirewound-Doorbell/dp/B07MW4VHDB/ref=sr_1_13?dchild=1&keywords=YiePhiot&qid=1623685581&sr=8-13>
 

and this nice metal screw-terminal momentary on-off switch  this one 
<https://www.amazon.com/Momentary-Waterproof-Stainless-Terminal-warranty/dp/B079HR5Q4R/ref=pd_sbs_1/142-3113942-9020237?pd_rd_w=dHOiq&pf_rd_p=a5925d26-9630-40f3-a011-d858608ac88b&pf_rd_r=WSD3157P3TEAB0M4Z6PR&pd_rd_r=ab809190-b332-4f06-952b-369bf1c6a51c&pd_rd_wg=qD1Vl&pd_rd_i=B079HR5Q4R&psc=1>
 

With a Magnum MS4024 PAE on a 10 KWH LiFePO4 pack - when I push the switch 
initially about 2 amps flows - I've found I need to hold it for about 8 seconds 
for the current to drop off to about .4 amps - then when I flip the 175 AMP 
main DC inverter breaker - there is little additional current that flows into 
the inverter caps - no sparks and my BMS doesn't shut down due to overcurrent 
fault.

Hope that helps!

Best,

Jeff






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drake.chamber...@redwoodalliance.org 
<mailto:drake.chamber...@redwoodalliance.org> 

June 11, 2021 at 12:27 PM

 

Hello Jeff,

That sounds really useful. How do you wire this? Where do you get the momentary 
switch?

Thanks,

Drake

---

 

 

On 2021-06-09 12:13, Jeff Clearwater wrote:

Hey Dave and Wrenches,

This is why now I always install a pre-charge circuit for Magnum's and other 
inverters - especially on a Lithium pack with a BMS.  A momentary on-off switch 
and 50 watt 20 ohm resistor - $20 worth of parts = a lifetime of less stress on 
main breaker - inverter caps and battery BMS.  I recommend it for any inverter 
over 2 KW.  Many LiFePO4 BMS's will shut down when sensing that much inrush so 
it's a must on many systems.

Best,

Jeff Clearwater
Village Power Design



palumbo1...@gmail.com <mailto:palumbo1...@gmail.com> 

June 8, 2021 at 6:01 AM

 

Is a Magnum MM1524AE inverter/charger repairable and if so by whom?

It failed after being reconnected to a battery bank, the typical small spark at 
the battery terminal when being reconnected was accompanied by a popping sound 
in the Magnum. Killed the Magnum.

 

Dave Palumbo

Hyde Park, VT





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Re: [RE-wrenches] Magnum

[la...@starlightsolar.com]

Jay,

Is version 3.0 OK? I have a few of those.

Larry




On Aug 6, 2021, at 7:06 AM, Jay  wrote:

Speaking of magnum

Does anyone have a arc-50 lying around needing a home. ( could be used)A 
customer has an inverter and really needs the control. 
Thx
Jay



> On Aug 6, 2021, at 3:04 AM, RE Ellison  wrote:
> 
> 
> Magnum has been my off grid inverter basically since they first come out 
> I actually had serial number one of one of them and it would take a lot of 
> research to figure out how many over the years but I used to buy direct from 
> Magnum (I was simply in the right place at the right time talking to the 
> right individual)!
> 
> I understand that they have shipped production overseas and as you might 
> expect apparently it’s not working out well.
> 
> I have two that I would like to get some boards for to get them up and 
> working instead of having them just laying around and I can’t stand to throw 
> out what would be a good inverter with a simple board change ! But I’m not in 
> a critical position so I will just wait just more dust to knock off them 
> that’s all !
> 
> I hope they get it straightened around,
> 
> Bob Ellison
> 
> On Aug 5, 2021, at 8:12 PM, Andrew Perkins  > wrote:
> 
>> 
>> Hey Ron,
>>It's not just you it's hard for us down here in the states. I had an 
>> RMA that took months to get a new inverter only to have FedEx abuse it so 
>> bad that I needed another RMA for an inverter I can't get so I'm looking at 
>> another month. They are starting to show back up though. 
>> 
>> 
>> Andrew Perkins
>> Greenwired
>> 
>> 
>>  On Thu, 05 Aug 2021 17:07:41 -0700 solarea...@solareagle.com 
>>  wrote 
>> 
>> Magnum has been my go to inverter for off-grid systems for years, always 
>> found them to be solid and reliable. This year (at least in Canada) we are 
>> waiting literally months to fill orders on 4024’s, 4448 and other 
>> components. I know that in general there are supply line issues on 
>> everything due to Covid fallout of various kinds. But are US 
>> dealers/installers having the same problem with Magnum supply or is this a 
>> Canadian issue?
>> 
>> Any comments on the new Midnite DIY inverters?
>> 
>> Ron Young
>> earthRight Products - Solareagle.com 
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Re: [RE-wrenches] Magnum

[Jay]

Speaking of magnum

Does anyone have a arc-50 lying around needing a home. ( could be used)A 
customer has an inverter and really needs the control. 
Thx
Jay



> On Aug 6, 2021, at 3:04 AM, RE Ellison  wrote:
> 
> 
> Magnum has been my off grid inverter basically since they first come out 
> I actually had serial number one of one of them and it would take a lot of 
> research to figure out how many over the years but I used to buy direct from 
> Magnum (I was simply in the right place at the right time talking to the 
> right individual)!
> 
> I understand that they have shipped production overseas and as you might 
> expect apparently it’s not working out well.
> 
> I have two that I would like to get some boards for to get them up and 
> working instead of having them just laying around and I can’t stand to throw 
> out what would be a good inverter with a simple board change ! But I’m not in 
> a critical position so I will just wait just more dust to knock off them 
> that’s all !
> 
> I hope they get it straightened around,
> 
> Bob Ellison
> 
>> On Aug 5, 2021, at 8:12 PM, Andrew Perkins  wrote:
>> 
>> 
>> Hey Ron,
>>It's not just you it's hard for us down here in the states. I had an 
>> RMA that took months to get a new inverter only to have FedEx abuse it so 
>> bad that I needed another RMA for an inverter I can't get so I'm looking at 
>> another month. They are starting to show back up though. 
>> 
>> 
>> Andrew Perkins
>> Greenwired
>> 
>> 
>>  On Thu, 05 Aug 2021 17:07:41 -0700 solarea...@solareagle.com wrote 
>> 
>> Magnum has been my go to inverter for off-grid systems for years, always 
>> found them to be solid and reliable. This year (at least in Canada) we are 
>> waiting literally months to fill orders on 4024’s, 4448 and other 
>> components. I know that in general there are supply line issues on 
>> everything due to Covid fallout of various kinds. But are US 
>> dealers/installers having the same problem with Magnum supply or is this a 
>> Canadian issue?
>> 
>> Any comments on the new Midnite DIY inverters?
>> 
>> Ron Young
>> earthRight Products - Solareagle.com
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Re: [RE-wrenches] Magnum

[RE Ellison]

Magnum has been my off grid inverter basically since they first come out 
I actually had serial number one of one of them and it would take a lot of 
research to figure out how many over the years but I used to buy direct from 
Magnum (I was simply in the right place at the right time talking to the right 
individual)!

I understand that they have shipped production overseas and as you might expect 
apparently it’s not working out well.

I have two that I would like to get some boards for to get them up and working 
instead of having them just laying around and I can’t stand to throw out what 
would be a good inverter with a simple board change ! But I’m not in a critical 
position so I will just wait just more dust to knock off them that’s all !

I hope they get it straightened around,

Bob Ellison

> On Aug 5, 2021, at 8:12 PM, Andrew Perkins  wrote:
> 
> 
> Hey Ron,
>It's not just you it's hard for us down here in the states. I had an 
> RMA that took months to get a new inverter only to have FedEx abuse it so bad 
> that I needed another RMA for an inverter I can't get so I'm looking at 
> another month. They are starting to show back up though. 
> 
> 
> Andrew Perkins
> Greenwired
> 
> 
>  On Thu, 05 Aug 2021 17:07:41 -0700  solarea...@solareagle.com wrote 
> 
> Magnum has been my go to inverter for off-grid systems for years, always 
> found them to be solid and reliable. This year (at least in Canada) we are 
> waiting literally months to fill orders on 4024’s, 4448 and other components. 
> I know that in general there are supply line issues on everything due to 
> Covid fallout of various kinds. But are US dealers/installers having the same 
> problem with Magnum supply or is this a Canadian issue?
> 
> Any comments on the new Midnite DIY inverters?
> 
> Ron Young
> earthRight Products - Solareagle.com
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Re: [RE-wrenches] Magnum

[Andrew Perkins]

Hey Ron,       It's not just you it's hard for us down here in the states. I 
had an RMA that took months to get a new inverter only to have FedEx abuse it 
so bad that I needed another RMA for an inverter I can't get so I'm looking at 
another month. They are starting to show back up though. Andrew 
PerkinsGreenwired  On Thu, 05 Aug 2021 17:07:41 -0700  
solarea...@solareagle.com  wrote Magnum has been my go to inverter for 
off-grid systems for years, always found them to be solid and reliable. This 
year (at least in Canada) we are waiting literally months to fill orders on 
4024’s, 4448 and other components. I know that in general there are supply line 
issues on everything due to Covid fallout of various kinds. But are US 
dealers/installers having the same problem with Magnum supply or is this a 
Canadian issue?Any comments on the new Midnite DIY inverters?Ron 
YoungearthRight Products - 
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[RE-wrenches] Magnum

[Ron Young]

Magnum has been my go to inverter for off-grid systems for years, always found 
them to be solid and reliable. This year (at least in Canada) we are waiting 
literally months to fill orders on 4024’s, 4448 and other components. I know 
that in general there are supply line issues on everything due to Covid fallout 
of various kinds. But are US dealers/installers having the same problem with 
Magnum supply or is this a Canadian issue?

Any comments on the new Midnite DIY inverters?

Ron Young
earthRight Products - Solareagle.com
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Re: [RE-wrenches] Magnum MM1524AE rebuild?

[Jeff Clearwater]

oh and of course I put an inline fuse in the circuit.

The current that flows of course will be dependent on battery voltage 
and resistor ohms.  So with a 48 VDC pack you could go up in resistance 
- just figure per ohm - volt - amp formulas/calculator here. 



With less than 5 amps - you'll get a nice ramp up fill of your caps on 
most inverters we use in the industry.


Hope that helps!

Jeff Clearwater
Village Power Design

Jeff Clearwater 
June 14, 2021 at 8:53 AM
Hi Drake,

So it's simply a momentary bypass circuit from the Load side to the 
Line side of your Main Inverter Breaker.  So from battery side of 
inverter to momentary on-off switch to resistor to inverter side of 
breaker.


I used a 25 Ohm 50 watt resistor.this one 



and this nice metal screw-terminal momentary on-off switch this one 



With a Magnum MS4024 PAE on a 10 KWH LiFePO4 pack - when I push the 
switch initially about 2 amps flows - I've found I need to hold it for 
about 8 seconds for the current to drop off to about .4 amps - then 
when I flip the 175 AMP main DC inverter breaker - there is little 
additional current that flows into the inverter caps - no sparks and 
my BMS doesn't shut down due to overcurrent fault.


Hope that helps!

Best,

Jeff




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drake.chamber...@redwoodalliance.org 


June 11, 2021 at 12:27 PM


Hello Jeff,

That sounds really useful. How do you wire this? Where do you get the 
momentary switch?


Thanks,

Drake

---


On 2021-06-09 12:13, Jeff Clearwater wrote:


Hey Dave and Wrenches,

This is why now I always install a pre-charge circuit for Magnum's 
and other inverters - especially on a Lithium pack with a BMS.  A 
momentary on-off switch and 50 watt 20 ohm resistor - $20 worth of 
parts = a lifetime of less stress on main breaker - inverter caps 
and battery BMS.  I recommend it for any inverter over 2 KW.  Many 
LiFePO4 BMS's will shut down when sensing that much inrush so it's a 
must on many systems.


Best,

Jeff Clearwater
Village Power Design


palumbo1...@gmail.com 
June 8, 2021 at 6:01 AM


Is a Magnum MM1524AE inverter/charger repairable and if so by whom?

It failed after being reconnected to a battery bank, the typical
small spark at the battery terminal when being reconnected was
accompanied by a popping sound in the Magnum. Killed the Magnum.

Dave Palumbo

Hyde Park, VT



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Re: [RE-wrenches] Magnum MM1524AE rebuild?

[Jeff Clearwater]

Hi Drake,

So it's simply a momentary bypass circuit from the Load side to the Line 
side of your Main Inverter Breaker.  So from battery side of inverter to 
momentary on-off switch to resistor to inverter side of breaker.


I used a 25 Ohm 50 watt resistor.this one 



and this nice metal screw-terminal momentary on-off switch this one 



With a Magnum MS4024 PAE on a 10 KWH LiFePO4 pack - when I push the 
switch initially about 2 amps flows - I've found I need to hold it for 
about 8 seconds for the current to drop off to about .4 amps - then when 
I flip the 175 AMP main DC inverter breaker - there is little additional 
current that flows into the inverter caps - no sparks and my BMS doesn't 
shut down due to overcurrent fault.


Hope that helps!

Best,

Jeff

drake.chamber...@redwoodalliance.org 


June 11, 2021 at 12:27 PM


Hello Jeff,

That sounds really useful. How do you wire this? Where do you get the 
momentary switch?


Thanks,

Drake

---


On 2021-06-09 12:13, Jeff Clearwater wrote:


Hey Dave and Wrenches,

This is why now I always install a pre-charge circuit for Magnum's 
and other inverters - especially on a Lithium pack with a BMS.  A 
momentary on-off switch and 50 watt 20 ohm resistor - $20 worth of 
parts = a lifetime of less stress on main breaker - inverter caps 
and battery BMS.  I recommend it for any inverter over 2 KW.  Many 
LiFePO4 BMS's will shut down when sensing that much inrush so it's a 
must on many systems.


Best,

Jeff Clearwater
Village Power Design


palumbo1...@gmail.com 
June 8, 2021 at 6:01 AM


Is a Magnum MM1524AE inverter/charger repairable and if so by whom?

It failed after being reconnected to a battery bank, the typical
small spark at the battery terminal when being reconnected was
accompanied by a popping sound in the Magnum. Killed the Magnum.

Dave Palumbo

Hyde Park, VT



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Jeff Clearwater 
June 9, 2021 at 9:13 AM
Hey Dave and Wrenches,

This is why now I always install a pre-charge circuit for Magnum's and 
other inverters - especially on a Lithium pack with a BMS.  A 
momentary on-off switch and 50 watt 20 ohm resistor - $20 worth of 
parts = a lifetime of less stress on main breaker - inverter caps and 
battery BMS.  I recommend it for any inverter over 2 KW.  Many LiFePO4 
BMS's will shut down when sensing that much inrush so it's a must on 
many systems.


Best,

Jeff Clearwater
Village Power Design





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Re: [RE-wrenches] Magnum MM1524AE rebuild?

[drake . chamberlin]

Hello Jeff, 


That sounds really useful. How do you wire this? Where do you get the
momentary switch? 

Thanks, 


Drake

---

On 2021-06-09 12:13, Jeff Clearwater wrote:


Hey Dave and Wrenches,

This is why now I always install a pre-charge circuit for Magnum's and other 
inverters - especially on a Lithium pack with a BMS.  A momentary on-off switch 
and 50 watt 20 ohm resistor - $20 worth of parts = a lifetime of less stress on 
main breaker - inverter caps and battery BMS.  I recommend it for any inverter 
over 2 KW.  Many LiFePO4 BMS's will shut down when sensing that much inrush so 
it's a must on many systems.

Best,

Jeff Clearwater
Village Power Design

palumbo1...@gmail.com 
June 8, 2021 at 6:01 AM


Is a Magnum MM1524AE inverter/charger repairable and if so by whom? 

It failed after being reconnected to a battery bank, the typical small spark at the battery terminal when being reconnected was accompanied by a popping sound in the Magnum. Killed the Magnum. 

Dave Palumbo 

Hyde Park, VT 


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Re: [RE-wrenches] Magnum MM1524AE rebuild?

[Jeff Clearwater]

Hey Dave and Wrenches,

This is why now I always install a pre-charge circuit for Magnum's and 
other inverters - especially on a Lithium pack with a BMS.  A momentary 
on-off switch and 50 watt 20 ohm resistor - $20 worth of parts = a 
lifetime of less stress on main breaker - inverter caps and battery 
BMS.  I recommend it for any inverter over 2 KW.  Many LiFePO4 BMS's 
will shut down when sensing that much inrush so it's a must on many systems.


Best,

Jeff Clearwater
Village Power Design



palumbo1...@gmail.com 
June 8, 2021 at 6:01 AM

Is a Magnum MM1524AE inverter/charger repairable and if so by whom?

It failed after being reconnected to a battery bank, the typical small 
spark at the battery terminal when being reconnected was accompanied 
by a popping sound in the Magnum. Killed the Magnum.


Dave Palumbo

Hyde Park, VT



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Re: [RE-wrenches] Magnum MM1524AE rebuild?

[Rich Nicol]

Hi Dave
Call John Hassle at Be Green Solar in Benton NH
He is an authorized Magnum repair facility and stocks parts at least for PAE 
etc.  it sure about 1524 AE though. Close by - just outside of Woodsville NH.
603-787-2317
Thanks
Rich

Sent from my iPad

> On Jun 8, 2021, at 9:01 AM, palumbo1...@gmail.com wrote:
> 
> 
> Is a Magnum MM1524AE inverter/charger repairable and if so by whom?
> It failed after being reconnected to a battery bank, the typical small spark 
> at the battery terminal when being reconnected was accompanied by a popping 
> sound in the Magnum. Killed the Magnum.
>  
> Dave Palumbo
> Hyde Park, VT
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[RE-wrenches] Magnum MM1524AE rebuild?

[palumbo131m]

Is a Magnum MM1524AE inverter/charger repairable and if so by whom? 

It failed after being reconnected to a battery bank, the typical small spark
at the battery terminal when being reconnected was accompanied by a popping
sound in the Magnum. Killed the Magnum.

 

Dave Palumbo

Hyde Park, VT 

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Re: [RE-wrenches] Magnum Frequency Shift

[Mark Frye]

Jay,

Do you use an NO or NC solid state relay?

Mark

On 6/13/2020 7:46 AM, Jay wrote:

Hi Mark,

Then the relay method is easy and reliable to use.

Relay trips at whatever battery voltage you don’t want to exceed.

I use a solid state relay with a good heat sink, only switching one leg.

Jay







On Jun 13, 2020, at 7:05 AM, Mark Frye  wrote:



On.

On 6/12/2020 7:27 PM, Jay wrote:

Hi Mark

Is this off grid or on?

Jay


On Jun 12, 2020, at 7:09 PM, Mark Frye  wrote:



I see.

What you say about the frequency shift being slow makes me again 
doubt the value of even using it in my application.


I have a controller that can regulate the AC dump load. That same 
controller has a high limit switch which I could use to cut the AC 
feed to the GT inverters. But then both functions are in the same 
device. On the other hand, it is a very reliable device 
soperhaps sufficient.


On 6/12/2020 6:37 PM, Bradley Bassett wrote:
I have a relay on the XW+ Aux and also frequency shift which is 
usually slower, so the relay usually cuts out first. I also have a 
DC coupled array feeding the system.


Brad

On Fri, Jun 12, 2020 at 4:34 PM Mark Frye > wrote:


Yes an elite group within an elite group.

So the SB240 does not have frequency shift /wattage control.
How are you implementing charge control in stand alone mode?

On 6/12/2020 4:28 PM, Bradley Bassett wrote:

Wow! Someone else with SMA SB240's, I have 12 of them that
I've AC coupled to an XW+5548. They are very solid performers.

Brad
AEE Solar

On Fri, Jun 12, 2020 at 3:39 PM Mark Frye
mailto:ma...@berkeleysolar.com>> wrote:

Hello,

I have a small array of 8 - SMA SB240 microinverters on
the roof. Peak
power out of the array has never exceeded 1800 W.

I am adding a Magnum MS-PAE 4448 with a 315 AH flooded
Lead Calcium
battery bank.

Cheers

On 6/12/2020 12:31 PM, Chris Schaefer wrote:
> G'Day Mark,
>
> Which grid tied inverter are you attempting to AC
couple with. I
> apologize if you already called it out in the thread.
>
> Christopher
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Re: [RE-wrenches] Magnum Frequency Shift

[Jay]

Hi Mark,

Then the relay method is easy and reliable to use. 

Relay trips at whatever battery voltage you don’t want to exceed. 

I use a solid state relay with a good heat sink, only switching one leg. 

Jay






> On Jun 13, 2020, at 7:05 AM, Mark Frye  wrote:
> 
> 
> On.
> 
>> On 6/12/2020 7:27 PM, Jay wrote:
>> Hi Mark
>> 
>> Is this off grid or on?
>> 
>> Jay
>> 
>>> On Jun 12, 2020, at 7:09 PM, Mark Frye  wrote:
>>> 
>>> 
>>> I see. 
>>> 
>>> What you say about the frequency shift being slow makes me again doubt the 
>>> value of even using it in my application.
>>> 
>>> I have a controller that can regulate the AC dump load. That same 
>>> controller has a high limit switch which I could use to cut the AC feed to 
>>> the GT inverters. But then both functions are in the same device. On the 
>>> other hand, it is a very reliable device soperhaps sufficient.
>>> 
>>> On 6/12/2020 6:37 PM, Bradley Bassett wrote:
 I have a relay on the XW+ Aux and also frequency shift which is usually 
 slower, so the relay usually cuts out first. I also have a DC coupled 
 array feeding the system. 
 
 Brad
 
 On Fri, Jun 12, 2020 at 4:34 PM Mark Frye  wrote:
> Yes an elite group within an elite group.
> 
> So the SB240 does not have frequency shift /wattage control. How are you 
> implementing charge control in stand alone mode?
> 
>> On 6/12/2020 4:28 PM, Bradley Bassett wrote:
>> Wow! Someone else with SMA SB240's, I have 12 of them that I've AC 
>> coupled to an XW+5548. They are very solid performers. 
>> 
>> Brad
>> AEE Solar
>> 
>> On Fri, Jun 12, 2020 at 3:39 PM Mark Frye  
>> wrote:
>>> Hello,
>>> 
>>> I have a small array of 8 - SMA SB240 microinverters on the roof. Peak 
>>> power out of the array has never exceeded 1800 W.
>>> 
>>> I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead Calcium 
>>> battery bank.
>>> 
>>> Cheers
>>> 
>>> On 6/12/2020 12:31 PM, Chris Schaefer wrote:
>>> > G'Day Mark,
>>> >
>>> > Which grid tied inverter are you attempting to AC couple with. I 
>>> > apologize if you already called it out in the thread.
>>> >
>>> > Christopher
>>> ___
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Re: [RE-wrenches] Magnum Frequency Shift

[Mark Frye]

On.

On 6/12/2020 7:27 PM, Jay wrote:

Hi Mark

Is this off grid or on?

Jay


On Jun 12, 2020, at 7:09 PM, Mark Frye  wrote:



I see.

What you say about the frequency shift being slow makes me again 
doubt the value of even using it in my application.


I have a controller that can regulate the AC dump load. That same 
controller has a high limit switch which I could use to cut the AC 
feed to the GT inverters. But then both functions are in the same 
device. On the other hand, it is a very reliable device soperhaps 
sufficient.


On 6/12/2020 6:37 PM, Bradley Bassett wrote:
I have a relay on the XW+ Aux and also frequency shift which is 
usually slower, so the relay usually cuts out first. I also have a 
DC coupled array feeding the system.


Brad

On Fri, Jun 12, 2020 at 4:34 PM Mark Frye > wrote:


Yes an elite group within an elite group.

So the SB240 does not have frequency shift /wattage control. How
are you implementing charge control in stand alone mode?

On 6/12/2020 4:28 PM, Bradley Bassett wrote:

Wow! Someone else with SMA SB240's, I have 12 of them that I've
AC coupled to an XW+5548. They are very solid performers.

Brad
AEE Solar

On Fri, Jun 12, 2020 at 3:39 PM Mark Frye
mailto:ma...@berkeleysolar.com>> wrote:

Hello,

I have a small array of 8 - SMA SB240 microinverters on the
roof. Peak
power out of the array has never exceeded 1800 W.

I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead
Calcium
battery bank.

Cheers

On 6/12/2020 12:31 PM, Chris Schaefer wrote:
> G'Day Mark,
>
> Which grid tied inverter are you attempting to AC couple
with. I
> apologize if you already called it out in the thread.
>
> Christopher
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Re: [RE-wrenches] Magnum Frequency Shift

[Jay]

Hi Mark

Is this off grid or on?

Jay

> On Jun 12, 2020, at 7:09 PM, Mark Frye  wrote:
> 
> 
> I see. 
> 
> What you say about the frequency shift being slow makes me again doubt the 
> value of even using it in my application.
> 
> I have a controller that can regulate the AC dump load. That same controller 
> has a high limit switch which I could use to cut the AC feed to the GT 
> inverters. But then both functions are in the same device. On the other hand, 
> it is a very reliable device soperhaps sufficient.
> 
> On 6/12/2020 6:37 PM, Bradley Bassett wrote:
>> I have a relay on the XW+ Aux and also frequency shift which is usually 
>> slower, so the relay usually cuts out first. I also have a DC coupled array 
>> feeding the system. 
>> 
>> Brad
>> 
>> On Fri, Jun 12, 2020 at 4:34 PM Mark Frye  wrote:
>>> Yes an elite group within an elite group.
>>> 
>>> So the SB240 does not have frequency shift /wattage control. How are you 
>>> implementing charge control in stand alone mode?
>>> 
>>> On 6/12/2020 4:28 PM, Bradley Bassett wrote:
 Wow! Someone else with SMA SB240's, I have 12 of them that I've AC coupled 
 to an XW+5548. They are very solid performers. 
 
 Brad
 AEE Solar
 
 On Fri, Jun 12, 2020 at 3:39 PM Mark Frye  wrote:
> Hello,
> 
> I have a small array of 8 - SMA SB240 microinverters on the roof. Peak 
> power out of the array has never exceeded 1800 W.
> 
> I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead Calcium 
> battery bank.
> 
> Cheers
> 
> On 6/12/2020 12:31 PM, Chris Schaefer wrote:
> > G'Day Mark,
> >
> > Which grid tied inverter are you attempting to AC couple with. I 
> > apologize if you already called it out in the thread.
> >
> > Christopher
> ___
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Re: [RE-wrenches] Magnum Frequency Shift

[Bradley Bassett]

The slow response on the frequency shift is for the XW+ only, and mine is
an early model with no firmware updates since new. The XW Pro's main
difference from the XW+ besides UL1741-SA is a much faster processor. I've
heard that the frequency shift works quite well now, especially with
UL1741-SA grid tie inverters.

Brad

On Fri, Jun 12, 2020 at 7:09 PM Mark Frye  wrote:

> I see.
>
> What you say about the frequency shift being slow makes me again doubt the
> value of even using it in my application.
>
> I have a controller that can regulate the AC dump load. That same
> controller has a high limit switch which I could use to cut the AC feed to
> the GT inverters. But then both functions are in the same device. On the
> other hand, it is a very reliable device soperhaps sufficient.
> On 6/12/2020 6:37 PM, Bradley Bassett wrote:
>
> I have a relay on the XW+ Aux and also frequency shift which is usually
> slower, so the relay usually cuts out first. I also have a DC coupled array
> feeding the system.
>
> Brad
>
> On Fri, Jun 12, 2020 at 4:34 PM Mark Frye  wrote:
>
>> Yes an elite group within an elite group.
>>
>> So the SB240 does not have frequency shift /wattage control. How are you
>> implementing charge control in stand alone mode?
>> On 6/12/2020 4:28 PM, Bradley Bassett wrote:
>>
>> Wow! Someone else with SMA SB240's, I have 12 of them that I've AC
>> coupled to an XW+5548. They are very solid performers.
>>
>> Brad
>> AEE Solar
>>
>> On Fri, Jun 12, 2020 at 3:39 PM Mark Frye 
>> wrote:
>>
>>> Hello,
>>>
>>> I have a small array of 8 - SMA SB240 microinverters on the roof. Peak
>>> power out of the array has never exceeded 1800 W.
>>>
>>> I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead Calcium
>>> battery bank.
>>>
>>> Cheers
>>>
>>> On 6/12/2020 12:31 PM, Chris Schaefer wrote:
>>> > G'Day Mark,
>>> >
>>> > Which grid tied inverter are you attempting to AC couple with. I
>>> > apologize if you already called it out in the thread.
>>> >
>>> > Christopher
>>> ___
>>> List sponsored by Redwood Alliance
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>>> List Address: RE-wrenches@lists.re-wrenches.org
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>>> Change listserver email address & settings:
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Re: [RE-wrenches] Magnum Frequency Shift

[Mark Frye]

I see.

What you say about the frequency shift being slow makes me again doubt 
the value of even using it in my application.


I have a controller that can regulate the AC dump load. That same 
controller has a high limit switch which I could use to cut the AC feed 
to the GT inverters. But then both functions are in the same device. On 
the other hand, it is a very reliable device soperhaps sufficient.


On 6/12/2020 6:37 PM, Bradley Bassett wrote:
I have a relay on the XW+ Aux and also frequency shift which is 
usually slower, so the relay usually cuts out first. I also have a DC 
coupled array feeding the system.


Brad

On Fri, Jun 12, 2020 at 4:34 PM Mark Frye > wrote:


Yes an elite group within an elite group.

So the SB240 does not have frequency shift /wattage control. How
are you implementing charge control in stand alone mode?

On 6/12/2020 4:28 PM, Bradley Bassett wrote:

Wow! Someone else with SMA SB240's, I have 12 of them that I've
AC coupled to an XW+5548. They are very solid performers.

Brad
AEE Solar

On Fri, Jun 12, 2020 at 3:39 PM Mark Frye
mailto:ma...@berkeleysolar.com>> wrote:

Hello,

I have a small array of 8 - SMA SB240 microinverters on the
roof. Peak
power out of the array has never exceeded 1800 W.

I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead
Calcium
battery bank.

Cheers

On 6/12/2020 12:31 PM, Chris Schaefer wrote:
> G'Day Mark,
>
> Which grid tied inverter are you attempting to AC couple
with. I
> apologize if you already called it out in the thread.
>
> Christopher
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Re: [RE-wrenches] Magnum Frequency Shift

[Bradley Bassett]

I have a relay on the XW+ Aux and also frequency shift which is usually
slower, so the relay usually cuts out first. I also have a DC coupled array
feeding the system.

Brad

On Fri, Jun 12, 2020 at 4:34 PM Mark Frye  wrote:

> Yes an elite group within an elite group.
>
> So the SB240 does not have frequency shift /wattage control. How are you
> implementing charge control in stand alone mode?
> On 6/12/2020 4:28 PM, Bradley Bassett wrote:
>
> Wow! Someone else with SMA SB240's, I have 12 of them that I've AC coupled
> to an XW+5548. They are very solid performers.
>
> Brad
> AEE Solar
>
> On Fri, Jun 12, 2020 at 3:39 PM Mark Frye  wrote:
>
>> Hello,
>>
>> I have a small array of 8 - SMA SB240 microinverters on the roof. Peak
>> power out of the array has never exceeded 1800 W.
>>
>> I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead Calcium
>> battery bank.
>>
>> Cheers
>>
>> On 6/12/2020 12:31 PM, Chris Schaefer wrote:
>> > G'Day Mark,
>> >
>> > Which grid tied inverter are you attempting to AC couple with. I
>> > apologize if you already called it out in the thread.
>> >
>> > Christopher
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Re: [RE-wrenches] Magnum Frequency Shift

[Mark Frye]

Yes an elite group within an elite group.

So the SB240 does not have frequency shift /wattage control. How are you 
implementing charge control in stand alone mode?


On 6/12/2020 4:28 PM, Bradley Bassett wrote:
Wow! Someone else with SMA SB240's, I have 12 of them that I've AC 
coupled to an XW+5548. They are very solid performers.


Brad
AEE Solar

On Fri, Jun 12, 2020 at 3:39 PM Mark Frye > wrote:


Hello,

I have a small array of 8 - SMA SB240 microinverters on the roof.
Peak
power out of the array has never exceeded 1800 W.

I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead Calcium
battery bank.

Cheers

On 6/12/2020 12:31 PM, Chris Schaefer wrote:
> G'Day Mark,
>
> Which grid tied inverter are you attempting to AC couple with. I
> apologize if you already called it out in the thread.
>
> Christopher
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Re: [RE-wrenches] Magnum Frequency Shift

[Bradley Bassett]

Wow! Someone else with SMA SB240's, I have 12 of them that I've AC coupled
to an XW+5548. They are very solid performers.

Brad
AEE Solar

On Fri, Jun 12, 2020 at 3:39 PM Mark Frye  wrote:

> Hello,
>
> I have a small array of 8 - SMA SB240 microinverters on the roof. Peak
> power out of the array has never exceeded 1800 W.
>
> I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead Calcium
> battery bank.
>
> Cheers
>
> On 6/12/2020 12:31 PM, Chris Schaefer wrote:
> > G'Day Mark,
> >
> > Which grid tied inverter are you attempting to AC couple with. I
> > apologize if you already called it out in the thread.
> >
> > Christopher
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Re: [RE-wrenches] Magnum Frequency Shift

[Mark Frye]

Hello,

I have a small array of 8 - SMA SB240 microinverters on the roof. Peak 
power out of the array has never exceeded 1800 W.


I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead Calcium 
battery bank.


Cheers

On 6/12/2020 12:31 PM, Chris Schaefer wrote:

G'Day Mark,

Which grid tied inverter are you attempting to AC couple with. I 
apologize if you already called it out in the thread.


Christopher

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Re: [RE-wrenches] Magnum Frequency Shift

[Chris Schaefer]

G'Day Mark,

Which grid tied inverter are you attempting to AC couple with. I
apologize if you already called it out in the thread.

Christopher

On Fri, Jun 12, 2020 at 2:01 PM Jay  wrote:

> Hi Mark,
>
> Agreed that diversion is the way to go.
> As 4v above absorb volts is completely unworkable.
>
>  But I’m not sure that I agree about .5 hz will do anything. The new rule
> 21 inverters go off line at 64 hz. And there is a type of tapering based on
> hz shift, but it won’t shut off a new gt inverter at+ .5hz.
>
> Cheers
>
> Jay
>
>
>
> On Jun 12, 2020, at 10:08 AM, Mark Frye  wrote:
>
> 
>
> Thanks Jay,
>
> I talked again with Magnum.
>
> I have the latest Rev 6.1 MS-PAE 4448 so the exact implementation has
> changed from that described in AN002, 5/10. The current Rev. has changes
> designed to improve interaction with the GT inverters. I didn't really get
> to the bottom of that. But the critical aspect of this remains unchanged:
>
> - the Magnum will have shifted the frequency  by 0.5 Hz
>  when the DC voltage rises
> to Absorb + 4V.
>
> This makes more sense than the 6V I had in my notes (which may have meant
> 6V above Float.)
>
> With all this in mind, I think I will plan on using this feature as a
> backup to an AC dump load controller set to maintain Float voltage.
>
>
> On 6/12/2020 7:12 AM, Jay wrote:
>
> Hi Mark
>
> I found this which might be of help.
>
>
> https://www.magnum-dimensions.com/sites/default/files/MagArchive/AN-0002-AC-Coupling-Rev-5-10.pdf
>
> Jay
> Peltz power.
>
> On Jun 12, 2020, at 6:59 AM, Mark Frye 
>  wrote:
>
> Looking for confirmation from Wrenches who know Magnum inverters:
>
> - MS-PAE
>
> -ME-RC
>
> - Frequency shift enabled (battery type "Custom")
>
> - AC coupled PV inverters w/o frequency shift capability
>
> Function:
>
> At Absorb voltage frequency shift is zero, at Absorb voltage + 6 V, shift
> is 0.5 Hz  (in 0.3 volt increments)
>
> This is from my notes from a tech support call, but I am wondering if I
> have it mixed up. Protecting at 6 volts above the Absorb seems a bit high.
>
> Thanks,
>
> Mark
>
>
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Re: [RE-wrenches] Magnum Frequency Shift

[Jay]

Hi Mark,  

Agreed that diversion is the way to go. 
As 4v above absorb volts is completely unworkable. 

 But I’m not sure that I agree about .5 hz will do anything. The new rule 21 
inverters go off line at 64 hz. And there is a type of tapering based on hz 
shift, but it won’t shut off a new gt inverter at+ .5hz. 

Cheers

Jay



> On Jun 12, 2020, at 10:08 AM, Mark Frye  wrote:
> 
> 
> Thanks Jay,
> 
> I talked again with Magnum.
> 
> I have the latest Rev 6.1 MS-PAE 4448 so the exact implementation has changed 
> from that described in AN002, 5/10. The current Rev. has changes designed to 
> improve interaction with the GT inverters. I didn't really get to the bottom 
> of that. But the critical aspect of this remains unchanged:
> 
> - the Magnum will have shifted the frequency  by 0.5 Hz  to knock the GT inverters off-line> when the DC voltage rises to Absorb + 4V.
> 
> This makes more sense than the 6V I had in my notes (which may have meant 6V 
> above Float.)
> 
> With all this in mind, I think I will plan on using this feature as a backup 
> to an AC dump load controller set to maintain Float voltage.
> 
> 
> 
>> On 6/12/2020 7:12 AM, Jay wrote:
>> Hi Mark
>> 
>> I found this which might be of help. 
>> 
>> https://www.magnum-dimensions.com/sites/default/files/MagArchive/AN-0002-AC-Coupling-Rev-5-10.pdf
>> 
>> Jay
>> Peltz power. 
>> 
>>> On Jun 12, 2020, at 6:59 AM, Mark Frye  wrote:
>>> 
>>> Looking for confirmation from Wrenches who know Magnum inverters:
>>> 
>>> - MS-PAE
>>> 
>>> -ME-RC
>>> 
>>> - Frequency shift enabled (battery type "Custom")
>>> 
>>> - AC coupled PV inverters w/o frequency shift capability
>>> 
>>> Function:
>>> 
>>> At Absorb voltage frequency shift is zero, at Absorb voltage + 6 V, shift 
>>> is 0.5 Hz  (in 0.3 volt increments)
>>> 
>>> This is from my notes from a tech support call, but I am wondering if I 
>>> have it mixed up. Protecting at 6 volts above the Absorb seems a bit high.
>>> 
>>> Thanks,
>>> 
>>> Mark
>>> 
>>> 
>>> ___
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Re: [RE-wrenches] Magnum Frequency Shift

[Dave Angelini Offgrid Solar]

Also keep in mind that when AC coupling with legacy PV inverters without
frequency-Watt capability, the battery based inverter will have reduced
ability to regulate the battery charge. 

A modern GT inverter will give
you faster and more accurate charging. The older GT's, may not be good
enough for me, and certainly not my clients.  

Dave Angelini Offgrid
Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
[1]
e-mail offgridso...@sti.net [2]
text 209 813 0060

On Fri, 12 Jun 2020
10:08:28 -0700, Mark Frye  wrote:

Thanks Jay, 

I talked again with
Magnum. 

I have the latest Rev 6.1 MS-PAE 4448 so the exact implementation
has changed from that described in AN002, 5/10. The current Rev. has
changes designed to improve interaction with the GT inverters. I didn't
really get to the bottom of that. But the critical aspect of this remains
unchanged: 

- the Magnum will have shifted the frequency by 0.5 Hz when
the DC voltage rises to Absorb + 4V. 

This makes more sense than the 6V I
had in my notes (which may have meant 6V above Float.) 

With all this in
mind, I think I will plan on using this feature as a backup to an AC dump
load controller set to maintain Float voltage. 

  On 6/12/2020 7:12 AM,
Jay wrote:  Hi Mark   I found this which might be of help.   
https://www.magnum-dimensions.com/sites/default/files/MagArchive/AN-0002-AC-Coupling-Rev-5-10.pdf
[3]   Jay Peltz power.  
 On Jun 12, 2020, at 6:59 AM, Mark Frye  [4]
wrote:
Looking for confirmation from Wrenches who know Magnum
inverters:

 - MS-PAE

 -ME-RC

 - Frequency shift enabled (battery type
"Custom")

 - AC coupled PV inverters w/o frequency shift capability


Function:

 At Absorb voltage frequency shift is zero, at Absorb voltage +
6 V, shift is 0.5 Hz (in 0.3 volt increments)

 This is from my notes from
a tech support call, but I am wondering if I have it mixed up. Protecting
at 6 volts above the Absorb seems a bit high.

 Thanks,

 Mark


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Re: [RE-wrenches] Magnum Frequency Shift

[Mark Frye]

Thanks Jay,

I talked again with Magnum.

I have the latest Rev 6.1 MS-PAE 4448 so the exact implementation has 
changed from that described in AN002, 5/10. The current Rev. has changes 
designed to improve interaction with the GT inverters. I didn't really 
get to the bottom of that. But the critical aspect of this remains 
unchanged:


- the Magnum will have shifted the frequency  by 0.5 Hz 
 when the DC voltage 
rises to Absorb + 4V.


This makes more sense than the 6V I had in my notes (which may have 
meant 6V above Float.)


With all this in mind, I think I will plan on using this feature as a 
backup to an AC dump load controller set to maintain Float voltage.



On 6/12/2020 7:12 AM, Jay wrote:

Hi Mark

I found this which might be of help.

https://www.magnum-dimensions.com/sites/default/files/MagArchive/AN-0002-AC-Coupling-Rev-5-10.pdf

Jay
Peltz power.


On Jun 12, 2020, at 6:59 AM, Mark Frye  wrote:

Looking for confirmation from Wrenches who know Magnum inverters:

- MS-PAE

-ME-RC

- Frequency shift enabled (battery type "Custom")

- AC coupled PV inverters w/o frequency shift capability

Function:

At Absorb voltage frequency shift is zero, at Absorb voltage + 6 V, 
shift is 0.5 Hz  (in 0.3 volt increments)


This is from my notes from a tech support call, but I am wondering if 
I have it mixed up. Protecting at 6 volts above the Absorb seems a 
bit high.


Thanks,

Mark


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Re: [RE-wrenches] Magnum Frequency Shift

[Jay]

Hi Mark

I found this which might be of help. 

https://www.magnum-dimensions.com/sites/default/files/MagArchive/AN-0002-AC-Coupling-Rev-5-10.pdf

Jay
Peltz power. 

> On Jun 12, 2020, at 6:59 AM, Mark Frye  wrote:
> 
> Looking for confirmation from Wrenches who know Magnum inverters:
> 
> - MS-PAE
> 
> -ME-RC
> 
> - Frequency shift enabled (battery type "Custom")
> 
> - AC coupled PV inverters w/o frequency shift capability
> 
> Function:
> 
> At Absorb voltage frequency shift is zero, at Absorb voltage + 6 V, shift is 
> 0.5 Hz  (in 0.3 volt increments)
> 
> This is from my notes from a tech support call, but I am wondering if I have 
> it mixed up. Protecting at 6 volts above the Absorb seems a bit high.
> 
> Thanks,
> 
> Mark
> 
> 
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[RE-wrenches] Magnum Frequency Shift

[Mark Frye]

Looking for confirmation from Wrenches who know Magnum inverters:

- MS-PAE

-ME-RC

- Frequency shift enabled (battery type "Custom")

- AC coupled PV inverters w/o frequency shift capability

Function:

At Absorb voltage frequency shift is zero, at Absorb voltage + 6 V, 
shift is 0.5 Hz  (in 0.3 volt increments)


This is from my notes from a tech support call, but I am wondering if I 
have it mixed up. Protecting at 6 volts above the Absorb seems a bit high.


Thanks,

Mark


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Re: [RE-wrenches] magnum question

[jay]

HI William,

I appreciate your time and input as to your thinking about this project.

However this system already exists and has been in operation for some time.  
Client has a offgrid farm with 45kva generator.  

The situation is that the main house also already runs off this generator, but 
the generator doesn’t run 24/7/365.  The other times of the year they run a 
honda 6500 at 120/240vac to power the house. The existing infrastructure of the 
farm is already set up for 120/208 3 phase and it wouldn’t be necessary or 
wanted to change all that for 7kw of inverters.

That all said, I’ll probably run the inverters at 120/240 setup, as the back up 
generator is 120/240.  And when they use the 3 phase generator its on 24 hrs a 
day.  Yes it will only use 1 inverter to battery charge, but given 24 hr charge 
time, it’ll keep up the batteries no problem.

Thanks to all,

Jay









> On Apr 2, 2020, at 11:31 AM, William Miller  wrote:
> 
> Jay:
>  
> This idea sounds wrong on many levels.  Generators are designed to be loaded 
> evenly, with some allowance for normal deviations.  Having separate loads 
> that can vary independently is asking for regulation problems.
>  
> You did not state if the generator was wound Wye or Delta.  This makes a 
> difference. 
>  
> Delta wound generators that provide 120/240 have one winding center-tapped.  
> That winding can provide only 1/3 of the rating of the generator (there is 
> some research that says the de-rate is greater).   If this is the case, your 
> two inverters can each access only 1/6 of the generator capability.  Sure you 
> might be able to draw more than 1/6, for a while...
>  
> Have you checked to see if the generator can be field re-tapped to provide 
> 120 only?  Then you could provide a generator-fed distribution and put all of 
> your 120 loads on it, providing the full generator capability.
>  
> It has come to my attention recently that two Outback FXR (or FX, I am not 
> sure) inverters can be stacked on two legs of a three-phase input power 
> source.  I had thought this was not possible.  I know it works because I 
> accidently did this.  I believe the supply was Wye configured.  It was with a 
> mobile set up built by someone else.  The inverters should have been the 
> Mobile version, and maybe this is what made this possible.  You just can't 
> use an X240 on this setup.  Consider this option if you must unbalance the 
> generator.  Try to balance the loads and charging between the inverters and 
> avoid power-save settings (you can't power-save without an X240 anyway).
>  
> I have had many customers ask me to do something that my intuition told me 
> was a bad idea.  When I was younger I might comply, and learn to regret it.  
> Good luck and stay strong.
>  
> William Miller
>  
> -Original Message-
> From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org 
> <mailto:re-wrenches-boun...@lists.re-wrenches.org>] On Behalf Of jay
> Sent: Wednesday, April 1, 2020 4:39 PM
> To: RE-wrenches
> Subject: [RE-wrenches] magnum question
>  
> Hi All,
>  
> My question is can a single  Magnum remote run 2 inverters each as master for 
> 120v?
>  
>  
> I’ve got a client with a 3 phase generator, and I need two phases, but I 
> don’t need 240v.
>  
>  
> 1. I can’t change the generator
> 2. Two phases because I can’t load one phase that heavily.
>  
> I can do 2 Outback FXR’s each as a master,  but I’d need to have 2 Mate3S’s.
>  
> But I don’t know if magnum has that possiblity?
>  
> Thanks
>  
> jay
>  
> Peltz Power
>  
>  
>  
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Re: [RE-wrenches] magnum question

[William Miller]

Jay:



This idea sounds wrong on many levels.  Generators are designed to be
loaded evenly, with some allowance for normal deviations.  Having separate
loads that can vary independently is asking for regulation problems.



You did not state if the generator was wound Wye or Delta.  This makes a
difference.



Delta wound generators that provide 120/240 have one winding
center-tapped.  That winding can provide only 1/3 of the rating of the
generator (there is some research that says the de-rate is greater).   If
this is the case, your two inverters can each access only 1/6 of the
generator capability.  Sure you might be able to draw more than 1/6, for a
while...



Have you checked to see if the generator can be field re-tapped to provide
120 only?  Then you could provide a generator-fed distribution and put all
of your 120 loads on it, providing the full generator capability.



It has come to my attention recently that two Outback FXR (or FX, I am not
sure) inverters can be stacked on two legs of a three-phase input power
source.  I had thought this was not possible.  I know it works because I
accidently did this.  I believe the supply was Wye configured.  It was with
a mobile set up built by someone else.  The inverters should have been the
Mobile version, and maybe this is what made this possible.  You just can't
use an X240 on this setup.  Consider this option if you must unbalance the
generator.  Try to balance the loads and charging between the inverters and
avoid power-save settings (you can't power-save without an X240 anyway).



I have had many customers ask me to do something that my intuition told me
was a bad idea.  When I was younger I might comply, and learn to regret
it.  Good luck and stay strong.



William Miller



-Original Message-
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
Behalf Of jay
Sent: Wednesday, April 1, 2020 4:39 PM
To: RE-wrenches
Subject: [RE-wrenches] magnum question



Hi All,



My question is can a single  Magnum remote run 2 inverters each as master
for 120v?





I’ve got a client with a 3 phase generator, and I need two phases, but I
don’t need 240v.





1. I can’t change the generator

2. Two phases because I can’t load one phase that heavily.



I can do 2 Outback FXR’s each as a master,  but I’d need to have 2
Mate3S’s.



But I don’t know if magnum has that possiblity?



Thanks



jay



Peltz Power







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Re: [RE-wrenches] magnum question

[Lones Tuss]

Hi Jay
The FXR inverters do have the ability to run 2 legs of a 3phase system on a 
single Mate3(s)and a Hub10.3
Inside the Hub10.3 is a header containing 5 jumpers. These jumpers can be 
arranged so the inverters are set to a 3 phase
configuration. 
Up to 9 inverters can be used per system, up to 3 inverters per ac phase. 
Up to 6 inverters can be used with up to 3 inverters per phase on 2 of the ac 
legs a 3phase system.
For more information on the jumper locations see the Hub 10.3 quick start guide.
http://www.outbackpower.com/downloads/documents/system_management/hub/hub103_quick_start.pdf

In a 3 phase system the inverters are programmed as Master, B phase Master, C 
Phase Master or designated as a Slave inverter.
Each Master can control 2 slave inverters.
This is further explained in the FXR installation manual.
http://www.outbackpower.com/downloads/documents/inverter_chargers/fxr_vfxr_a/fxr_install.pdf
 
I hope this helps.
Take Care All






 
-Original Message-
From: RE-wrenches  On Behalf Of jay
Sent: Wednesday, April 1, 2020 4:39 PM
To: RE-wrenches 
Subject: [RE-wrenches] magnum question

Hi All,

My question is can a single  Magnum remote run 2 inverters each as master for 
120v?


I’ve got a client with a 3 phase generator, and I need two phases, but I don’t 
need 240v.


1. I can’t change the generator
2. Two phases because I can’t load one phase that heavily.

I can do 2 Outback FXR’s each as a master,  but I’d need to have 2 Mate3S’s. 

But I don’t know if magnum has that possiblity?

Thanks

jay

Peltz Power



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Re: [RE-wrenches] magnum question

[Jay]

Hi Dana,

That depends on the unit. 

In my case its a large generator with large loads, the inverters being just one 
of the loads. I can’t load one phase with 8kw, that would overload one phase.   
Splitting the load to 2 phases, is within the capacity of the generator and 
within the total loads

I know I can do the inverters the way I want, what I dont know is if you can 
have 2 x 120v magnum inverters both as master with a single controller. 

Jay


> On Apr 1, 2020, at 5:28 PM, Dana Orzel  wrote:
> 
> I have been informed [long ago] that not equally weighting a generators 
> output can cause excessive & uneven wear on the windings of a generator.
> Way Back in the day, folks [old wrenches] used to place an additional load 
> [hot water element, heat lamps...] on the unused leg to balance out a 240 vac 
> gen that was only using one 120v leg for inverter /battery charging on a 240 
> only generator. Simple but effective though not very fuel thrifty.
> 
> I am open to dispelling this anecdote/old wife's tale, if anyone can confirm 
> or dispute this. It makes sense to me overall.
> 
> 
> 
> Dana Orzel  Great Solar Works, Inc. 
> C - 208.721.7003   d...@solarwork.com
> Idaho Contractor - # 028765 Idaho PV # 028374
> NABCEP # 051112-136   www.solarwork.com
> "Responsible Technologies for Responsible People since 1988"  
>  Please consider the environment before printing this email.
> 
> 
> -Original Message-
> From: RE-wrenches  On Behalf Of jay
> Sent: Wednesday, April 1, 2020 5:39 PM
> To: RE-wrenches 
> Subject: [RE-wrenches] magnum question
> 
> Hi All,
> 
> My question is can a single  Magnum remote run 2 inverters each as master for 
> 120v?
> 
> 
> I’ve got a client with a 3 phase generator, and I need two phases, but I 
> don’t need 240v.
> 
> 
> 1. I can’t change the generator
> 2. Two phases because I can’t load one phase that heavily.
> 
> I can do 2 Outback FXR’s each as a master,  but I’d need to have 2 Mate3S’s. 
> 
> But I don’t know if magnum has that possiblity?
> 
> Thanks
> 
> jay
> 
> Peltz Power
> 
> 
> 
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Re: [RE-wrenches] magnum question

[Dana Orzel]

I have been informed [long ago] that not equally weighting a generators output 
can cause excessive & uneven wear on the windings of a generator.
Way Back in the day, folks [old wrenches] used to place an additional load [hot 
water element, heat lamps...] on the unused leg to balance out a 240 vac gen 
that was only using one 120v leg for inverter /battery charging on a 240 only 
generator. Simple but effective though not very fuel thrifty.

I am open to dispelling this anecdote/old wife's tale, if anyone can confirm or 
dispute this. It makes sense to me overall.



Dana Orzel  Great Solar Works, Inc. 
C - 208.721.7003   d...@solarwork.com
Idaho Contractor - # 028765 Idaho PV # 028374
NABCEP # 051112-136   www.solarwork.com
"Responsible Technologies for Responsible People since 1988"  
 Please consider the environment before printing this email.


-Original Message-
From: RE-wrenches  On Behalf Of jay
Sent: Wednesday, April 1, 2020 5:39 PM
To: RE-wrenches 
Subject: [RE-wrenches] magnum question

Hi All,

My question is can a single  Magnum remote run 2 inverters each as master for 
120v?


I’ve got a client with a 3 phase generator, and I need two phases, but I don’t 
need 240v.


1. I can’t change the generator
2. Two phases because I can’t load one phase that heavily.

I can do 2 Outback FXR’s each as a master,  but I’d need to have 2 Mate3S’s. 

But I don’t know if magnum has that possiblity?

Thanks

jay

Peltz Power



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[RE-wrenches] magnum question

[jay]

Hi All,

My question is can a single  Magnum remote run 2 inverters each as master for 
120v?


I’ve got a client with a 3 phase generator, and I need two phases, but I don’t 
need 240v.


1. I can’t change the generator
2. Two phases because I can’t load one phase that heavily.

I can do 2 Outback FXR’s each as a master,  but I’d need to have 2 Mate3S’s. 

But I don’t know if magnum has that possiblity?

Thanks

jay

Peltz Power



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Re: [RE-wrenches] Magnum Inverters - Digital Clocks Losing Time?

[Rich Nicol]

Thanks for the feedback and pointers, its greatly appreciated – I checked 
frequency and it was spot on at 60Hz but with minimal decimal places on my 
meter. 

This must be something new with Magnum as I haven’t seen the voltage issues on 
other systems nor have I had any issues with appliances or clocks etc. 

I hate to admit that I seem to find myself in constant frustration for one 
reason or another with the primary suppliers of offgrid system components!

 

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Allan Sindelar
Sent: Monday, April 1, 2019 10:58 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Magnum Inverters - Digital Clocks Losing Time?

 

Rich, this is a known flaw in the Magnum AE and PAE series. I have one longtime 
client for whom I supplied a 4448AE around 2009 who later told me that had he 
known of this frequency issue he wouldn’t have selected Magnum. 

Allan Sindelar 


On Apr 1, 2019, at 6:56 AM, Christopher Warfel  
wrote:

I would think it has to be frequency. What else could shift the time?  Up until 
about 2 years ago we were a grid isolated system and no one could use a plug in 
the wall clock. It takes just a very little off 60 Hz for a clock to keep 
incorrect time. Being off .5 Hz will result in 42,300 cycles in one day. When I 
worked in power plants the frequency was a digital display to the 6th place I 
think. The operator said if that decimal place was off by more than 2 from 
ISONE, it would trip off line. The steam turbines would be destroyed otherwise. 
Chris

On 4/1/2019 7:08 AM, Rich Nicol wrote:

Hello Wrenches

I have a site with two PAE 48v Magnum inverters stacked. System voltage 
fluctuates ~ +/- 4 volts ranging from 243 to 247. Evenly split on the two lines.

Site has a few electrical peculiarities I haven’t seen on the many other sites 
I have with Magnum inverters. Among those is three digital clocks on appliances 
that lose ~ 5 min per day consistently. A forth clock which is on a weather 
station with a transformer where it plugs into a receptacle keeps time and of 
course the computers do as they are web connected. 

I checked all neutral connections and verified proper N-G bond.

All connections appropriately torqued.

My recollection is the modest voltage swings are within Magnum spec. But its 
constantly moving about which seems somewhat suspect to me.

Any suggestions?

Thanks

RIch





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Re: [RE-wrenches] Magnum Inverters - Digital Clocks Losing Time?

[Jay]

Hi Rich,

This appears to be a newer thing with magnum. I’ve seen this and it’s been 
commented previously here on the wrenches. Doesn’t appear to be load or charge 
related. 

It’s definitely not on the older models. 

Magnum says that this voltage fluctuation is normal operation. 

Jay

Peltz power. 








> On Apr 1, 2019, at 4:08 AM, Rich Nicol  wrote:
> 
> Hello Wrenches
> I have a site with two PAE 48v Magnum inverters stacked. System voltage 
> fluctuates ~ +/- 4 volts ranging from 243 to 247. Evenly split on the two 
> lines.
> Site has a few electrical peculiarities I haven’t seen on the many other 
> sites I have with Magnum inverters. Among those is three digital clocks on 
> appliances that lose ~ 5 min per day consistently. A forth clock which is on 
> a weather station with a transformer where it plugs into a receptacle keeps 
> time and of course the computers do as they are web connected.
> I checked all neutral connections and verified proper N-G bond.
> All connections appropriately torqued.
> My recollection is the modest voltage swings are within Magnum spec. But its 
> constantly moving about which seems somewhat suspect to me.
> Any suggestions?
> Thanks
> RIch
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Re: [RE-wrenches] Magnum Inverters - Digital Clocks Losing Time?

[Allan Sindelar]

Rich, this is a known flaw in the Magnum AE and PAE series. I have one longtime 
client for whom I supplied a 4448AE around 2009 who later told me that had he 
known of this frequency issue he wouldn’t have selected Magnum. 
Allan Sindelar 

> On Apr 1, 2019, at 6:56 AM, Christopher Warfel 
>  wrote:
> 
> I would think it has to be frequency. What else could shift the time?  Up 
> until about 2 years ago we were a grid isolated system and no one could use a 
> plug in the wall clock. It takes just a very little off 60 Hz for a clock to 
> keep incorrect time. Being off .5 Hz will result in 42,300 cycles in one day. 
> When I worked in power plants the frequency was a digital display to the 6th 
> place I think. The operator said if that decimal place was off by more than 2 
> from ISONE, it would trip off line. The steam turbines would be destroyed 
> otherwise. Chris
> 
>> On 4/1/2019 7:08 AM, Rich Nicol wrote:
>> Hello Wrenches
>> I have a site with two PAE 48v Magnum inverters stacked. System voltage 
>> fluctuates ~ +/- 4 volts ranging from 243 to 247. Evenly split on the two 
>> lines.
>> Site has a few electrical peculiarities I haven’t seen on the many other 
>> sites I have with Magnum inverters. Among those is three digital clocks on 
>> appliances that lose ~ 5 min per day consistently. A forth clock which is on 
>> a weather station with a transformer where it plugs into a receptacle keeps 
>> time and of course the computers do as they are web connected.
>> I checked all neutral connections and verified proper N-G bond.
>> All connections appropriately torqued.
>> My recollection is the modest voltage swings are within Magnum spec. But its 
>> constantly moving about which seems somewhat suspect to me.
>> Any suggestions?
>> Thanks
>> RIch
>> 
>> 
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Re: [RE-wrenches] Magnum Inverters - Digital Clocks Losing Time?

[Christopher Warfel]

I would think it has to be frequency. What else could shift the time?  
Up until about 2 years ago we were a grid isolated system and no one 
could use a plug in the wall clock. It takes just a very little off 60 
Hz for a clock to keep incorrect time. Being off .5 Hz will result in 
42,300 cycles in one day. When I worked in power plants the frequency 
was a digital display to the 6th place I think. The operator said if 
that decimal place was off by more than 2 from ISONE, it would trip off 
line. The steam turbines would be destroyed otherwise. Chris


On 4/1/2019 7:08 AM, Rich Nicol wrote:


Hello Wrenches

I have a site with two PAE 48v Magnum inverters stacked. System 
voltage fluctuates ~ +/- 4 volts ranging from 243 to 247. Evenly split 
on the two lines.


Site has a few electrical peculiarities I haven’t seen on the many 
other sites I have with Magnum inverters. Among those is three digital 
clocks on appliances that lose ~ 5 min per day consistently. A forth 
clock which is on a weather station with a transformer where it plugs 
into a receptacle keeps time and of course the computers do as they 
are web connected.


I checked all neutral connections and verified proper N-G bond.

All connections appropriately torqued.

My recollection is the modest voltage swings are within Magnum spec. 
But its constantly moving about which seems somewhat suspect to me.


Any suggestions?

Thanks

RIch


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[RE-wrenches] Magnum Inverters - Digital Clocks Losing Time?

[Rich Nicol]

Hello Wrenches

I have a site with two PAE 48v Magnum inverters stacked. System voltage 
fluctuates ~ +/- 4 volts ranging from 243 to 247. Evenly split on the two lines.

Site has a few electrical peculiarities I haven’t seen on the many other sites 
I have with Magnum inverters. Among those is three digital clocks on appliances 
that lose ~ 5 min per day consistently. A forth clock which is on a weather 
station with a transformer where it plugs into a receptacle keeps time and of 
course the computers do as they are web connected. 

I checked all neutral connections and verified proper N-G bond.

All connections appropriately torqued.

My recollection is the modest voltage swings are within Magnum spec. But its 
constantly moving about which seems somewhat suspect to me.

Any suggestions?

Thanks

RIch

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Re: [RE-wrenches] Magnum inverter issue

[Jay]

Hi Louis

Again, magnum admitted to the issue, gave no fix. 

I checked with RE-Wrenches as someone might have figured a work around. 

Jay

> On Dec 12, 2018, at 8:11 PM,  
>  wrote:
> 
> Jay,
> 
> I have not seen this, yet.
> If you go into the Magnums remote and look at AC meter does the meter reflect 
> what your are seeing on your volt meter?
> (I am guessing that you see this on your volt meter)
> 
> If this is a "AC coupling feature" then the user should be able to enable 
> this for AC coupling and disable if not.
> The factory setting should be disabled.
> 
> If this is a real feature and the user can not enable/disable I think it was 
> not thought out well.
> 
> Louis.
>  Original Message 
> Subject: [RE-wrenches] Magnum inverter issue
> From: Jay 
> Date: Wed, December 12, 2018 6:14 pm
> To: re-wrenches@lists.re-wrenches.org
> 
> Hi all,
> 
> I’ve had the following issue with a new PAE 4024. 
> 
> It’s ac voltage will rise and fall about 10+ volts ( 124-115) over about 10 
> seconds like clock work. Regardless of the load, or battery SOC/voltage. 
> I checked with a local shop, they also have the issue. They checked all their 
> back stock and they all did the same thing. However they had an older one, 
> say 6 months old that didn’t do it. Nor do any of my previous magnum installs 
> do this. 
> 
> Clients are not too thrilled with this as lights go up and down in 
> brightness. 
> 
> Magnum’s response was that this is normal for an off grid inverter and that 
> somehow this “feature” has to do with it being able to AC couple better. 
> 
> I’m writing to ask if others have seen this as well and more importantly if 
> anyone has a fix?
> 
> Thanks,
> 
> Jay
> Peltz Power
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Re: [RE-wrenches] Magnum inverter issue

[Ray]

Just got off the phone with Magnum tech support.  Their stance:
1) The fluctuation is within the 5% allowable voltage window. (True, but 
still annoying, atypical 120 vac behavior)
2) They haven't changed anything, the inverters have always regulated 
voltage this way..


I replied that I've never seen  this behavior with their inverters in 10 
years, and they again insisted the inverters have always behaved this way.


Ray Walters
Remote Solar
303 505-8760

On 12/13/18 9:55 AM, Ray wrote:
I've got quite a few Magnum PAEs installed and have not seen this 
before.  I have one I'm about to install, so I just bench tested it 
and I did see the fluctuation.  It was cycling from 116vac to 122 vac 
about every 5 seconds.  As far as Magnum claiming this is "Normal" off 
grid operation, well, we may be switching inverter brands, because 
that is the "Wrong" answer.  This reminds me of Xantrex's infamous TR 
inverters that caused lights to blink on/off, and fridges to cycle 
every minute.  It wears on appliances and customers' nerves.


Normal operation is stable 120 vac 60 Hz, sine wave. period.  I'm 
calling Magnum right now, I don't know what they did, but they need to 
undo it right away.


Ray Walters
Remote Solar
303 505-8760

On 12/13/18 8:15 AM, Drake wrote:
I had a PAE 4024 run high voltage so that it wouldn't AC couple at 
all. My older PAE does not fluctuate.


At 08:14 PM 12/12/2018, you wrote:
Hi all, I’ve had the following issue with a new PAE 4024. It’s 
ac voltage will rise and fall about 10+ volts ( 124-115) over about 
10 seconds like clock work. Regardless of the load, or battery 
SOC/voltage. I checked with a local shop, they also have the issue. 
They checked all their back stock and they all did the same thing. 
However they had an older one, say 6 months old that didn’t do it. 
Nor do any of my previous magnum installs do this. Clients are not 
too thrilled with this as lights go up and down in brightness. 
Magnum’s response was that this is normal for an off grid inverter 
and that somehow this “feature” has to do with it being able to 
AC couple better. I’m writing to ask if others have seen this as 
well and more importantly if anyone has a fix? Thanks, Jay Peltz 
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Re: [RE-wrenches] Magnum inverter issue

[Ray]

I've got quite a few Magnum PAEs installed and have not seen this 
before.  I have one I'm about to install, so I just bench tested it and 
I did see the fluctuation.  It was cycling from 116vac to 122 vac about 
every 5 seconds.  As far as Magnum claiming this is "Normal" off grid 
operation, well, we may be switching inverter brands, because that is 
the "Wrong" answer.  This reminds me of Xantrex's infamous TR inverters 
that caused lights to blink on/off, and fridges to cycle every minute.  
It wears on appliances and customers' nerves.


Normal operation is stable 120 vac 60 Hz, sine wave. period.  I'm 
calling Magnum right now, I don't know what they did, but they need to 
undo it right away.


Ray Walters
Remote Solar
303 505-8760

On 12/13/18 8:15 AM, Drake wrote:
I had a PAE 4024 run high voltage so that it wouldn't AC couple at 
all. My older PAE does not fluctuate.


At 08:14 PM 12/12/2018, you wrote:
Hi all, I’ve had the following issue with a new PAE 4024. It’s ac 
voltage will rise and fall about 10+ volts ( 124-115) over about 10 
seconds like clock work. Regardless of the load, or battery 
SOC/voltage. I checked with a local shop, they also have the issue. 
They checked all their back stock and they all did the same thing. 
However they had an older one, say 6 months old that didn’t do it. 
Nor do any of my previous magnum installs do this. Clients are not 
too thrilled with this as lights go up and down in brightness. 
Magnum’s response was that this is normal for an off grid inverter 
and that somehow this “feature” has to do with it being able to 
AC couple better. I’m writing to ask if others have seen this as 
well and more importantly if anyone has a fix? Thanks, Jay Peltz 
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Re: [RE-wrenches] Magnum inverter issue

[louis]

Jay,I have not seen this, yet.If you go into the Magnums remote and look at AC meter does the meter reflect what your are seeing on your volt meter?(I am guessing that you see this on your volt meter)If this is a "AC coupling feature" then the user should be able to enable this for AC coupling and disable if not.The factory setting should be disabled.If this is a real feature and the user can not enable/disable I think it was not thought out well.Louis.


 Original Message 
Subject: [RE-wrenches] Magnum inverter issue
From: Jay <jay.pe...@gmail.com>
Date: Wed, December 12, 2018 6:14 pm
To: re-wrenches@lists.re-wrenches.org

Hi all,

I’ve had the following issue with a new PAE 4024. 

It’s ac voltage will rise and fall about 10+ volts ( 124-115) over about 10 seconds like clock work. Regardless of the load, or battery SOC/voltage. 
I checked with a local shop, they also have the issue. They checked all their back stock and they all did the same thing. However they had an older one, say 6 months old that didn’t do it. Nor do any of my previous magnum installs do this. 

Clients are not too thrilled with this as lights go up and down in brightness. 

Magnum’s response was that this is normal for an off grid inverter and that somehow this “feature” has to do with it being able to AC couple better. 

I’m writing to ask if others have seen this as well and more importantly if anyone has a fix?

Thanks,

Jay
Peltz Power
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Re: [RE-wrenches] Magnum inverter issue

[Drake]

I had a PAE 4024 run high voltage so that it 
wouldn't AC couple at all. My older PAE does not fluctuate.


At 08:14 PM 12/12/2018, you wrote:
Hi all, I’ve had the following issue with a 
new PAE 4024. It’s ac voltage will rise and 
fall about 10+ volts ( 124-115) over about 10 
seconds like clock work. Regardless of the load, 
or battery SOC/voltage. I checked with a local 
shop, they also have the issue. They checked all 
their back stock and they all did the same 
thing. However they had an older one, say 6 
months old that didn’t do it. Nor do any of my 
previous magnum installs do this. Clients are 
not too thrilled with this as lights go up and 
down in brightness. Magnum’s response was that 
this is normal for an off grid inverter and that 
somehow this “feature” has to do with it 
being able to AC couple better. I’m writing to 
ask if others have seen this as well and more 
importantly if anyone has a fix? Thanks, Jay 
Peltz Power 
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Re: [RE-wrenches] Magnum inverter issue

[Jerry Shafer]

Wrenches
I can only use Outback as a reference, is the programming set to search not
on,
What happens under a light load, l have seen cycling on Outbacks that had
low idle load and were programmed to high and they hunted like that.
Jerry

On Wed, Dec 12, 2018, 7:16 PM Jay  Hi all,
>
> I’ve had the following issue with a new PAE 4024.
>
> It’s ac voltage will rise and fall about 10+ volts ( 124-115) over about
> 10 seconds like clock work. Regardless of the load, or battery SOC/voltage.
> I checked with a local shop, they also have the issue. They checked all
> their back stock and they all did the same thing. However they had an older
> one, say 6 months old that didn’t do it. Nor do any of my previous magnum
> installs do this.
>
> Clients are not too thrilled with this as lights go up and down in
> brightness.
>
> Magnum’s response was that this is normal for an off grid inverter and
> that somehow this “feature” has to do with it being able to AC couple
> better.
>
> I’m writing to ask if others have seen this as well and more importantly
> if anyone has a fix?
>
> Thanks,
>
> Jay
> Peltz Power
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[RE-wrenches] Magnum inverter issue

[Jay]

Hi all,

I’ve had the following issue with a new PAE 4024. 

It’s ac voltage will rise and fall about 10+ volts ( 124-115) over about 10 
seconds like clock work. Regardless of the load, or battery SOC/voltage. 
I checked with a local shop, they also have the issue. They checked all their 
back stock and they all did the same thing. However they had an older one, say 
6 months old that didn’t do it. Nor do any of my previous magnum installs do 
this. 

Clients are not too thrilled with this as lights go up and down in brightness. 

Magnum’s response was that this is normal for an off grid inverter and that 
somehow this “feature” has to do with it being able to AC couple better. 

I’m writing to ask if others have seen this as well and more importantly if 
anyone has a fix?

Thanks,

Jay
Peltz Power
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Re: [RE-wrenches] Magnum

[RE Ellison]

Probably not the brightest move just to shut down websites that you’ve had for 
years ?

 You think with the company that size at least they were just redirect them and 
keep them open it’s not like it’s a ton of money

Just my .02 worth
Bob Ellison

> On Jul 11, 2018, at 2:39 PM, William Miller  wrote:
> 
> Just pressed the flesh at the Sensata booth. What you report is a web glitch 
> that they are aware of and is supposed to be very temporary. 
> 
> William 
> 
> PS:  The web address has changed to www.magnum-dimensions.com
> 
> Wm
> 
> 
>> On Jul 10, 2018, at 7:37 PM, RM You  wrote:
>> 
>> Anybody know what’s up with Magnum Energy/ Sensata? I’ve been trying to get 
>> on their website both through direct magnumenergy.com links and through 
>> Sensata and there is no Magnum Energy website any more. Did I miss something 
>> here…? Hope not. The data site is still up but all the other links just show 
>> a 404 error.
>> 
>> Ron
>> earthRight Solar
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Re: [RE-wrenches] Magnum

[William Miller]

Just pressed the flesh at the Sensata booth. What you report is a web glitch 
that they are aware of and is supposed to be very temporary. 

William 

PS:  The web address has changed to www.magnum-dimensions.com

Wm


> On Jul 10, 2018, at 7:37 PM, RM You  wrote:
> 
> Anybody know what’s up with Magnum Energy/ Sensata? I’ve been trying to get 
> on their website both through direct magnumenergy.com links and through 
> Sensata and there is no Magnum Energy website any more. Did I miss something 
> here…? Hope not. The data site is still up but all the other links just show 
> a 404 error.
> 
> Ron
> earthRight Solar
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[RE-wrenches] Magnum

[RM You]

Anybody know what’s up with Magnum Energy/ Sensata? I’ve been trying to get on 
their website both through direct magnumenergy.com links and through Sensata 
and there is no Magnum Energy website any more. Did I miss something here…? 
Hope not. The data site is still up but all the other links just show a 404 
error.

Ron
earthRight Solar
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[RE-wrenches] Magnum buzz box

[Drake]

I installed a Magnum 4448 PAE today, and it makes an unacceptable 
amount of noise. The backplate is mounted with Tapcons to a concrete 
block wall. Does anyone have any tips for quieting this thing down? 
Would a rubber membrane, mounted behind the backplate help. Other 
Magnum inverters I've installed are a bit noisy, but this one is over the top.


Thanks,

Drake

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Re: [RE-wrenches] Magnum System - Discharged Battery Bank

[Larry]

Right Bill. We recommend fully charging and then an equalization charge 
on all new flooded batteries. It takes many cycles on a new battery to 
achieve full saturation of all the active material. Because of this 
effect, I believe it is vital to reach 100% SoC regularly during the 
first few months of a battery life.


Larry
 


On 12/19/14 9:34 PM, William Dorsett wrote:


That’s the reason it is so essential to get as fresh a batch as 
possible and make sure all are fully charged before installation.


Bill Dorsett

Manhattan, KS

*From:*RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] 
*On Behalf Of *Larry

*Sent:* Friday, December 19, 2014 7:07 PM
*To:* RE-wrenches
*Subject:* Re: [RE-wrenches] Magnum System - Discharged Battery Bank

I have installed/serviced thousands of battery based systems, I have 
not seen any reversed cells either, but I know how it happens.


Here's a thought on what could cause multiple lower capacity cells in 
a bank. >From the moment a battery is not being charged, including 
newly assembled batteries, it is self discharging and lead sulfate is 
forming on the plates. If left uncharged or undercharged for months, 
which could be date of assembly to date of installation, the capacity 
could be affected due to ionic bonding (a level 2 sulfate bond 
blocking SO4 from finishing the electrochemical process by discharging 
its electron to Pb). Simply put, less surface area is available so 
there is less capacity. Unless the installation date is within 60 days 
or less of the manufacturing date, this could happen.


If these damaged batteries were then mixed with healthy ones, this 
could account for multiple low capacity cells and the scenario I 
described in my previous email would apply.


  
Larry Crutcher

Starlight Solar Power Systems




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