My question exactly, before I buy one. I want to set the balance point
temperature and also be able to employ both heat pump and aux heat or
just aux heat below a certain temperature such as 30F, like you are
asking. Right now it is a wash whether I ...
Blue is fairly consistent reversing valve labeled variously with w1, O,
B but mostly B, yellow is cooling labeled Y or Y1 and sometimes Y2 (Y1
and Y2 for 2 stages of cooling which may be just your indoor fan speed,
is on my new Bosch), Red is consist...
