subject:"\[RE\-wrenches\] Mounting height"

[RE-wrenches] Mounting height constraints for wall-mounted batteries

2024-02-22 Thread Mac Lewis via RE-wrenches

Hello Wrenches,

Is there a mounting height limit for Enphase batteries that you are aware
of?  I don't see one from Enphase, just clearance requirements but Im
wondering if there is a code about this.

Thanks!

-- 



Mac Lewis

*"Yo solo sé que no sé nada." -Sócrates*
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Re: [RE-wrenches] Mounting height

2014-10-23 Thread Jarmo . Venalainen

Hi:

Prior to my current role in training I was working in product development. 
 Regarding minimum mounting clearances, inverter manufacturers are 
required to test their equipment so that no component inside goes above 
its rated temperature during normal operation at a specified ambient 
temperature.  At temperatures above that the unit must behave in ways 
which maintains the internal temperatures of all components within their 
spec, (typically the inverter derates).

The test for what gets published is done in a set-up where there are walls 
on both sides, top and bottom, but the very front surface of the enclosure 
is left open at a distance of 36" as shown in the diagram below.



As a rule of thumb when comparing inverter specs, looking at the minimum 
clearances and specified normal ambient temperature will give you a good 
indication of how well the unit dissipates heat.  If the manufacturer 
specifies very tight clearances at a higher ambient temp, then you know 
that the device is able to dissipate heat well and will in fact run cooler 
if given more room to breathe.

As inverter manufacturers we don't, (and really cant), stay abreast of all 
the installation codes which apply in the US and throughout the rest of 
the world.  What we do is to try to make sure the our bottom clearance 
minimum is less than what is allowed in the codes.

JARMO

_
 


Jarmo Venalainen  |   Schneider Electric   |  Solar Business  |   CANADA | 
  Training & Development Specialist - Senior 
Phone: +604-422-2528  |   Fax: +604-420-1591  |   Mobile: +604-505-0291 
Email: jarmo.venalai...@schneider-electric.com  |   Site: www.SEsolar.com 
|   Address: 3700 Gilmore Way, Burnaby, BC V5G4M1 


*** Please consider the environment before printing this e-mail 




From:
Dave Click 
To:
re-wrenches@lists.re-wrenches.org, 
Date:
10/23/2014 09:45 AM
Subject:
Re: [RE-wrenches] Mounting height
Sent by:
"RE-wrenches" 



I believe that I was told in a 2005-ish Xantrex GT training that their 
minimum clearance (~30") requirement came from the need to be above lawn 
sprinklers. I can't remember offhand seeing this reason given in any 
recent manual, so any bottom clearances required in the manual may apply 
to you even if you're inside.


On 2014/10/23 0:59, frenergy wrote:
Bob-O, Peter, Garrison,
 
I appreciate the responses, will proceed accordingly.  I have seen 
some references to minimum distance to floor in some manuals.  Thank you,
 
Bill
Feather River Solar Electric
 
- Original Message - 
From: Garrison Riegel 
To: 'RE-wrenches' 
Sent: Wednesday, October 22, 2014 11:11 AM
Subject: Re: [RE-wrenches] Mounting height

Bill,
 
See 2011 NEC 690.14(D) or 2014 NEC 690.15(A) Utility-Interactive Inverters 
Mounted in Not Readily Accessible Locations.  Basically there is no 
maximum height restriction for inverters but there are a number of 
requirements for AC and DC disconnecting means.  See NEC 404.8 for maximum 
disconnect height of 6’ 7”…although exception No. 2 may allow the 
disconnect to be accessible by portable means.  I don’t know of any 
minimum height requirements in the code, although most (all?) string and 
microinverter manufacturers specify a required clearance below the 
inverter.  I suppose that would be the minimum. 
 
Garrison   
 
Garrison Riegel
Project Manager | Solar Service Inc
[p] 847-677-0950 | garri...@solarserviceinc.com
 
NABCEP Certified PV Installation Professional™
 
 
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On 
Behalf Of frenergy
Sent: Tuesday, October 21, 2014 11:02 PM
To: RE-wrenches
Subject: [RE-wrenches] Mounting height
 
Wrenches,
 
I can't seem to find a reference to the heights allowable for 
inverter installs, either minimum or maximum (need both).  For that 
matter, AC combiners, DC discos, any switchgear related to the 
inverter(s).
 
Any help appreciated.
 
Bill
Feather River Solar Electric
solar powered since 1982
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Re: [RE-wrenches] Mounting height

2014-10-23 Thread Dave Click

I believe that I was told in a 2005-ish Xantrex GT training that their 
minimum clearance (~30") requirement came from the need to be above lawn 
sprinklers. I can't remember offhand seeing this reason given in any 
recent manual, so any bottom clearances required in the manual may apply 
to you even if you're inside.



On 2014/10/23 0:59, frenergy wrote:

Bob-O, Peter, Garrison,
I appreciate the responses, will proceed accordingly.  I have 
seen some references to minimum distance to floor in some manuals.  
Thank you,

Bill
Feather River Solar Electric

- Original Message -
*From:* Garrison Riegel <mailto:garri...@solarserviceinc.com>
*To:* 'RE-wrenches' <mailto:re-wrenches@lists.re-wrenches.org>
*Sent:* Wednesday, October 22, 2014 11:11 AM
*Subject:* Re: [RE-wrenches] Mounting height

Bill,

See 2011 NEC 690.14(D) or 2014 NEC 690.15(A) Utility-Interactive
Inverters Mounted in Not Readily Accessible Locations. Basically
there is no maximum height restriction for inverters but there are
a number of requirements for AC and DC disconnecting means.  See
NEC 404.8 for maximum disconnect height of 6’ 7”…although
exception No. 2 may allow the disconnect to be accessible by
portable means.  I don’t know of any minimum height requirements
in the code, although most (all?) string and microinverter
manufacturers specify a required clearance below the inverter.  I
suppose that would be the minimum.

Garrison

Garrison Riegel

Project Manager | /Solar Service Inc/
<http://www.solarserviceinc.com/>

[p] 847-677-0950 | garri...@solarserviceinc.com
<mailto:garri...@solarserviceinc.com>

NABCEP Certified PV Installation Professional™

*From:*RE-wrenches
[mailto:re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of
*frenergy
*Sent:* Tuesday, October 21, 2014 11:02 PM
    *To:* RE-wrenches
*Subject:* [RE-wrenches] Mounting height

Wrenches,

I can't seem to find a reference to the heights allowable
for inverter installs, either minimum or maximum (need both).  For
that matter, AC combiners, DC discos, any switchgear related to
the inverter(s).

Any help appreciated.

Bill

Feather River Solar Electric

solar powered since 1982


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Re: [RE-wrenches] Mounting height

2014-10-22 Thread frenergy

Bob-O, Peter, Garrison,

I appreciate the responses, will proceed accordingly.  I have seen some 
references to minimum distance to floor in some manuals.  Thank you,

Bill
Feather River Solar Electric

  - Original Message - 
  From: Garrison Riegel 
  To: 'RE-wrenches' 
  Sent: Wednesday, October 22, 2014 11:11 AM
  Subject: Re: [RE-wrenches] Mounting height


  Bill,

   

  See 2011 NEC 690.14(D) or 2014 NEC 690.15(A) Utility-Interactive Inverters 
Mounted in Not Readily Accessible Locations.  Basically there is no maximum 
height restriction for inverters but there are a number of requirements for AC 
and DC disconnecting means.  See NEC 404.8 for maximum disconnect height of 6’ 
7”…although exception No. 2 may allow the disconnect to be accessible by 
portable means.  I don’t know of any minimum height requirements in the code, 
although most (all?) string and microinverter manufacturers specify a required 
clearance below the inverter.  I suppose that would be the minimum. 

   

  Garrison   

   

  Garrison Riegel

  Project Manager | Solar Service Inc

  [p] 847-677-0950 | garri...@solarserviceinc.com

   

  NABCEP Certified PV Installation Professional™

   

   

  From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On 
Behalf Of frenergy
  Sent: Tuesday, October 21, 2014 11:02 PM
  To: RE-wrenches
  Subject: [RE-wrenches] Mounting height

   

  Wrenches,

   

  I can't seem to find a reference to the heights allowable for 
inverter installs, either minimum or maximum (need both).  For that matter, AC 
combiners, DC discos, any switchgear related to the inverter(s).

   

  Any help appreciated.

   

  Bill

  Feather River Solar Electric

  solar powered since 1982



--


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Re: [RE-wrenches] Mounting height

2014-10-22 Thread Garrison Riegel

Bill,

 

See 2011 NEC 690.14(D) or 2014 NEC 690.15(A) Utility-Interactive Inverters 
Mounted in Not Readily Accessible Locations.  Basically there is no maximum 
height restriction for inverters but there are a number of requirements for AC 
and DC disconnecting means.  See NEC 404.8 for maximum disconnect height of 6’ 
7”…although exception No. 2 may allow the disconnect to be accessible by 
portable means.  I don’t know of any minimum height requirements in the code, 
although most (all?) string and microinverter manufacturers specify a required 
clearance below the inverter.  I suppose that would be the minimum. 

 

Garrison   

 

Garrison Riegel

Project Manager |  <http://www.solarserviceinc.com/> Solar Service Inc

[p] 847-677-0950 |  <mailto:garri...@solarserviceinc.com> 
garri...@solarserviceinc.com

 

NABCEP Certified PV Installation Professional™

 

 

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of frenergy
Sent: Tuesday, October 21, 2014 11:02 PM
To: RE-wrenches
Subject: [RE-wrenches] Mounting height

 

Wrenches,

 

I can't seem to find a reference to the heights allowable for inverter 
installs, either minimum or maximum (need both).  For that matter, AC 
combiners, DC discos, any switchgear related to the inverter(s).

 

Any help appreciated.

 

Bill

Feather River Solar Electric

solar powered since 1982

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Re: [RE-wrenches] Mounting height

2014-10-22 Thread peter.parr...@calsolareng.com

As I remember, anything that needs to be inspected or manually operated needs to
be between 6'-6" and 2'-6".
 
- Peter
 
Peter T. Parrish, Ph.D.
SolarGnosis
 

> On October 22, 2014 at 12:28 AM Bob-O Schultze 
> wrote:
> 
>  If it has some sort of switch or CB, the top of the handle cannot be higher
> than 6'7". As to the lower limit, I think that would depend on the location.
> In a garage, for example, the AHJ could make a case for 18" as that's where
> outlets generally live, but there is no lower limit that I'm aware of.
> 
>  On Oct 21, 2014, at 9:02 PM, frenergy wrote:
> 
>  Wrenches,
>   
>  I can't seem to find a reference to the heights allowable for
> inverter installs, either minimum or maximum (need both).  For that matter, AC
> combiners, DC discos, any switchgear related to the inverter(s).
>   
>  Any help appreciated.
>   
>  Bill
>  Feather River Solar Electric
>  solar powered since 1982
>  ___
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> 
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>  
> 
> 
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>  
> 
> 
> 

 

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Re: [RE-wrenches] Mounting height

2014-10-21 Thread Bob-O Schultze

If it has some sort of switch or CB, the top of the handle cannot be higher 
than 6'7". As to the lower limit, I think that would depend on the location. In 
a garage, for example, the AHJ could make a case for 18" as that's where 
outlets generally live, but there is no lower limit that I'm aware of.

On Oct 21, 2014, at 9:02 PM, frenergy wrote:

Wrenches,
 
I can't seem to find a reference to the heights allowable for inverter 
installs, either minimum or maximum (need both).  For that matter, AC 
combiners, DC discos, any switchgear related to the inverter(s).
 
Any help appreciated.
 
Bill
Feather River Solar Electric
solar powered since 1982
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[RE-wrenches] Mounting height

2014-10-21 Thread frenergy

Wrenches,

I can't seem to find a reference to the heights allowable for inverter 
installs, either minimum or maximum (need both).  For that matter, AC 
combiners, DC discos, any switchgear related to the inverter(s).

Any help appreciated.

Bill
Feather River Solar Electric
solar powered since 1982___
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[RE-wrenches] Mounting height constraints for wall-mounted batteries

Re: [RE-wrenches] Mounting height

Re: [RE-wrenches] Mounting height

Re: [RE-wrenches] Mounting height

Re: [RE-wrenches] Mounting height

Re: [RE-wrenches] Mounting height

Re: [RE-wrenches] Mounting height

[RE-wrenches] Mounting height

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