I'll post the end result of our conversation so you don't have to read the play by play. We are going to dig into the logs and see exactly what is going on. Apparently the au port should still work even if LBCO has been met.
Jason Szumlanski On Oct 4, 2011, at 12:18 PM, "Allan Sindelar" <al...@positiveenergysolar.com> wrote: > Others among us are following this issue for future reference. Please keep > Steve's reply and the resolution on-list. > Thanks, Allan > > Allan Sindelar > al...@positiveenergysolar.com > NABCEP Certified Photovoltaic Installer > NABCEP Certified Technical Sales Professional > New Mexico EE98J Journeyman Electrician > Positive Energy, Inc. > 3201 Calle Marie > Santa Fe, New Mexico 87507 > 505 424-1112 > www.positiveenergysolar.com > > > > On 10/3/2011 2:31 PM, Jason Szumlanski wrote: >> >> Steve, >> >> That is not what is happening. Are you saying that the inverter aux port >> should still work if LBCO is reached? It does not, and I was told otherwise >> by Outback Tech Support. Is the LBCO delay programmable? I do not see that >> documented. >> >> Please contact me off list so we can resolve this particular issue. >> >> Jason Szumlanski >> Fafco Solar >> >> >> From: re-wrenches-boun...@lists.re-wrenches.org >> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Steve Higgins >> Sent: Monday, October 03, 2011 3:48 PM >> To: RE-wrenches >> Subject: Re: [RE-wrenches] MATE3 Controller RE: Re-configuring expanded array >> >> Jason, >> >> If LBCO is 46.00 and the 2 minute start is 47.2. When the voltage goes below >> 47.2 the 2 minute start timer would begin to count down.When the voltage >> reaches 46.00 the five minute LBCO voltage timer starts. Because the 2 >> minute timer will expire in 2 minutes and even if the warm-up time was 4 >> minutes, the inverter would still engage the Aux Output to start the genset >> and charge the batteries. >> >> If there is a case if the LBCO occurs before the AGS 2 minute start is >> activated that the generator will not start because after the load is >> dropped the voltage would rise above the 2 minute start voltage. This case >> is easily resolved by programming the LBCO below the 2 minute start voltage. >> >> Even if you have hit LBCO and the inverter has shut off the AGS function >> still works and will engage the relay (via the aux port) to start the >> Generator. >> >> Steve Higgins >> Outback Power Technologies. >> >> From: re-wrenches-boun...@lists.re-wrenches.org >> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Jason >> Szumlanski >> Sent: Friday, September 30, 2011 11:04 AM >> To: RE-wrenches >> Subject: [RE-wrenches] MATE3 Controller RE: Re-configuring expanded array >> >> This reminded me of another subject about the MATE3. >> >> I was surprised to find out that advanced generator start does not work >> properly if the batteries reach LBCO before the 2 minute start timer fires >> the generator with an external relay attached to one of the inverters. The >> AGS settings are stored in the MATE3, so it tries to tell the inverter to >> trigger the external relay once the 2 minute voltage has been reached, but >> if LBCO has been reached, the inverter will not supply voltage to the coil. >> >> This logic does not work. Let’s say you have LBCO set to 46.0V and the 2 >> minute start voltage set to 47.2V. Under a very heavy load, it is completely >> plausible that the LBCO could be met before the AGS via the inverter has >> time to start the generator. The only “solution” is to have an unacceptably >> high (IMHO) spread between the 2 minute start and the LBCO. >> >> In this case, I don’t want to set the LBCO too low (i.e. default) because >> the system is unattended and if the generator does not start for whatever >> reason, it is reasonable to expect that the battery voltage could slowly >> decrease to the LBCO and then stay there for a long period of time until the >> problem is discovered. I want to keep the LBCO relatively high, but I want >> the generator to reliably start using start timers, SOC, or load. I think >> this is a poor implementation of this feature, leading me to consider a >> completely separate or auxiliary AGS system that is voltage dependent >> without relying on the inverter relay to start the generator. >> >> Jason Szumlanski >> Fafco Solar >> >> >> From: re-wrenches-boun...@lists.re-wrenches.org >> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of >> hol...@sbcglobal.net >> Sent: Friday, September 30, 2011 12:06 PM >> To: RE-wrenches >> Subject: Re: [RE-wrenches] Re-configuring expanded array >> >> Maverick, >> I don't think system owner will let me pry his mate3 out of his >> hands.....and oops! it will be 2- 6 slot combiners....thanks for the >> feedback. Look forward to meeting you someday. >> >> >> Holt E. Kelly >> Holtek Fireplace & Solar Products >> 500 Jewell Dr. >> Waco TX. 76712 >> 254-751-9111 >> www.holteksolar.com >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
_______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
