The nest E seems to keep the reversing valve on my heat pump energized
all the time (except in heat mode), even when the unit kicks off. It has
burned up the reversing solenoid in my unit. Can it be reprogrammed to
not do that ?
My system has been repaired and is working. However, I still wonder if
holding the reversing valve on / energized all the time, even with the
system not running, will damage the valve. The valve is only
de-energized when the system switches to heat. ...
My unit just started doing the same thing. Apparently the nest energizes
the reversing valve. (Black wire in your case) all the time even when
the unit is not running. It has damaged the reversing valve solenoid on
the unit. The valve is on even when...