Hi folks, appreciate any help you could shed on an issue I’m having with a T3000 thermostat. Yes, I’m aware of the digital relay issues, but I’m not having any System Protect messages. The issue I’m having is that the t-stat is sending a Y2 call too soon. I have mine configured for a 60 minute pump stage time and 3 degree temp diff. With a 1 degree temp delta, the second stage fires up after 10-15 minutes.
When doing the automatic wiring detection, the T3000 didn’t quite recognize the right wires. They’re all there and everything works when put into bypass mode. If I disconnect the Y2, then the system runs at first stage for 45+ minutes as intended. I did this to verify there was nothing going on at the air handler and that it truly is relying on the t-stat to control the stages.
Is this another known issue with the T3000? Any way to put the t-stat into a verbose or logging mode to see why it thinks it needs the second stage?