Hi Todd, As the fan won't even stay on, when ON, then the board being bad is a good choice
As to the AC fan, I wasn't suggesting an external thermostat, but just a larger cfm fan Jay On Aug 27, 2013, at 9:11 AM, toddc...@finestplanet.com wrote: > thanks for the ideas jay! > > the fan comes on and off with the aux output led on the board where the > in/out ac wires connect, so i do not believe this is an issue with the fan. > > as i mentioned below: > > when i set the aux control from 'auto' to 'on' the fan comes on and stays > on... well, mostly. it still cycles on and off, but less frequently. > > > i guess i could mount an external thermostat on the fx case and have this > control a relay to operate the 'cool fan', but id really like to figure out > why the unit is not performing as it is supposed to... and why outback's tech > support seems so deficient these days. shouldnt someone have access to the > code and be able to give me the temp counts for cool fan on/off and when the > unit throttles back on selling from over-temp conditions? > > todd > > > > > > On Tuesday, August 27, 2013 8:47am, "jay peltz" <j...@asis.com> said: > > Hi Todd > Is the relay cycling or could it be the fan is having issues? > Did you try manual on? > On a side note. For the turbo units in warm areas, I replace the fan with a > high output AC fan controlled with relay, really helps. > Jay > Peltz power. > > > > > On Aug 26, 2013, at 10:21 PM, toddc...@finestplanet.com wrote: > > wrenches... > > im having a vexing problem with an outback system and cannot seem to get any > help from outback... so, im posting this here in hopes some wrench knows more > about the 'cool fan' option than i do. > > this is a sealed gtfx2524 system... so it has the 'turbo fan' connected to > the aux output which is set to "coolfan". i called tech support and the guy i > spoke with was unable to find much about this so is sending out a control > board as kind of a blind, "i hope this fixes it" solution... but, before i > unwire and dismount the inverter for the second time (the internal fan died > after 6 months of use), i thought id write and ask someone else. > > here are the symptoms and parameters: > the grid tied unit is in a greenhouse so it gets hot in there (a couple of > days ago it was 95 f). > at max, the unit processes around 1100 watts/minus local loads so sells > around 900 to 1000 watts. the lowest (hottest) temp counts i have seen are: > air (xmfr) 88 > fets 132 > caps 136 > > during this "heat event" i saw the unit throttling back on selling, as the dc > voltage went from 26 (sell voltage default set point) to 28, where the charge > controller started throttling back... so i know it was running hot. during > this the "coolfan" would cycle... on for a second or 2 and then off again for > an equal time. when i set the aux control from 'auto' to 'on' the fan comes > on and stays on... well, mostly. it still cycles on and off, but less > frequently. > > does anyone have access to the temp counts for: > when the "coolfan" is supposed to turn on and off & > when the unit starts throttling back on selling due to overheating & > when the unit will totally shut down from overheating > > another strange thing is when i set the aux control from coolfan to vent or > diversion, and program the parameters so the fan would be on (ie: vent fan / > diversion "on" above 24 volts with the battery voltage at 26+) the fan does > not come on. > > guesses? will replacing the "control board" change anything? any help is > appreciated. > > thanks, todd > > > > Sent from Finest Planet WebMail. > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & 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 > > > > Sent from Finest Planet WebMail. > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & 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 >
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