Search:

AHU model# FK4CNF003 Serial# 3398A31753
Condenser model# 38YDA036300 Serial# 3698E03671
Relay is on ahu control board.

I have replaced the thermostat, the air handler curcuit board, the heat sequencer, the expansion valve, the flex return duct connecting the return. Obviously all these things were not because the...

The thermostat satisfies. The outdoor unit still runs with the indoor blower running. I had the thermostat set on 65. Let it run and cycle 3 times. Shut off and came on exactly like it was suppose...

I am working on a carrier heatpump that continues to heat when thermostat is satisfied. This does not happen all the time. It works perfect for a few days and then it will stick and continue to heat....