So I had to come out to a warranty call today. There was 3 unit all installed with this Jade Honeywell economizer controller. All three units were short cycling sometimes the evaporator fan will kick on sometimes only the condensing unit would kick on. After some head scratching and looking at the manual I found that the installer had hooked up the Y1 from the condenser and the Y1 from the thermostat wrong. If you look on the manual the Y1 need to be wired separately so the economizer controller can control what it needs to control. When they installed it they put all the Y1’s on the Y1 terminal on the air handler control board effectively bypassing the economizer but really confusing it. So after separating my Y1’s and wiring it correctly so the call goes through the economizer controller and then out to where it needs to be everything ran the way it was supposed to. I definitely learned something today just wanted to share it with y’all.

Posted by Deleted (d4cabade) at 2021-03-12 19:03:34 UTC