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Re: Connect Atwood AC-1351 to AGS
I agree that running the AC units through the inverter is not a great plan, hence why I am here trying to figure out a way to change it. The AGS has two sets of thermostat inputs labeled Thermostat input and return (1 & 2 respectively), neither of them have anything connected. The AC unit itself does not have any way to connect an AGS that I can see so they are probably not designed for it. I guess I'll have to see what kind of voltage is going through the wires connecting the control panel on the AC unit to it's main board. Will look at other low volt connections in the AC unit to see if there is anything I can try tapping into. One issue I can see is supplying the power to the AC unit when the generator is not on. I assume that AC units with an AGS lead have addressed this somehow, possibly by having 12v from the battery to the AC unit just to run the thermostat. Or does the AGS supply the power to the thermostat? I am not opposed to swapping AC units to get what I want but would like to exhaust this option first as that's a lot of money.351Views0likes0CommentsRe: Connect Atwood AC-1351 to AGS
Yes it's the Xantrex AGS. Have that, the inverter and the System Control Panel all wired with the Xanbus. The interver is rated high enough to run both AC units at once but it will likely deplete the batteries very quickly. May draw down too fast and shorten battery life as well. Main reason I want to change it is I want to be able to run the other inverter loads without worrying about exceeding the inverter capacity. With both AC untis on it's about 5 amps away from topping out. A temp sensor would be nice but if I can get the low volt singal to the AGS it will do effectively the same thing. The AC unit will send a signal to the AGS and fire up the generator. The way the manual says the AC unit works it the fan comes on first and the compressor fires up about 3 minutes later. Based on that I think I'll try and get the signal from the fan on, that way the generator has time to start before the compressor needs AC power. I suppose I could put in a thermostat that only connected to the AGS and then coordinate that temp setting with the control panel on the AC units. Would take a bit of guess and check but would work like your magnum does. Will try the heat gun option and see if I can get it to start. Was also looking at the unit again today and it has a "dry" setting which should cause the compressor to turn on to help dry the air. Was really hoping someone else had done this and could point me in the right direction.353Views0likes0CommentsConnect Atwood AC-1351 to AGS
I recently received my new toy hauler that was custom built. One feature I wanted was to have the generator automatically start when the roof top AC unit comes on. To do this I had the installer put in a Xantrex SW 3012 inverter/charger and a Xantrex Auto Generator Start controller. What I expected to see was the AC unit to be powered via the main AC panel and a low volt connection from the AC unit on the roof to the AGS on one of it's thermostat trigger leads. After going through the electrical system what I have found is the installer wired the AC units to run through the inverter with no direct connection to the AGS. It's below freezing here now so it's not easy to test the AC but what I am assuming will happen is the AC will come on and then drain the battery down to a point the AGS fires up the generator. While this may work it really isn't what I wanted. So after this long story what I am really after... has anyone been able to get a signal from the Atwood AC-1351 to trigger an AGS unit? The Atwood has an integrated control panel (may be able to be removed and wall mounted) that has 4 wires running to the units main board. My assumption is I would need to figure out which wires send the signal to fire up the compressor (or may just the fan since it would always be on if the compressor is on) and connect those to the AGS, which in turn would tell the generator to turn on. If anyone has done this I'd really appreciate some pointers. Thanks!1.4KViews0likes7Comments
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