Replacing your old thermostat to a wi-fi
Replacing your thermostat to a WI-FI one can be a bit tricky especially if you do not know the difference between heat pump and straight cool , first you must determine whether you have a heatpump system or not because the wiring is different heat pumps have a reversing valve straight cools do not how it works is the reversing valve directs the gas one way during each mode selected by you at thermostat.
As a rule the wiring should be in a straight cool a 4 wire set up.R G C-OMON-BLUE Y And W Which is heat strips that goes to sequencer/contactor . Heatpump has all of the above and more such as O/B Which operates the reversing valve Im sure all communicating thermostats will automatically be heatpump compatible it is reccomended to use special wiring to avoid harmonic inteference and not to coil any wiring . Call us for your thermostat replacement in Ocoee fl 34787