How do I change a Sears non-programmable thermostat five wire Heat/Cool to Noma Programmable Digital 4 wire
I have old Sears model with wires labled white -W , blue-G , red-RC , orange Y ,black -RH , and want to change over to a new programmable digital Noma 5+1+1 with these wires green, yellow, red, and white.Can you help me know which posts to put
sounds like you have a heat pump. the new stat wont work for a heat pump. there is no O terminal for the reversing valve.
if you really do have a heat pump, a programmable stat really is not for you. heat pumps really want to keep your