11-28-2016, 02:30 PM
As I recall, the logic that prevents the 2nd compressor from running in low is not in the thermostat. Rather it is in the circuit board at the A/C unit. It just knows the T/S is on low, so blocks the signal to run the 2nd compressor. Russ
Russ White
2016 Winnebago Vista LX 30T
#530 ( Sold )
1999 45' Double Slide - Factory upgrade 2004