
Drafts from inside the wall could affect temperature readings. 3. Fasten the base to the wall with the supplied screws. 4. Seal the wire entry with caulk, drywall putty, or insulation. Wiring the Thermostat Note: A qualified HVAC technician should perform these steps to ensure proper termination. 1. Make sure the HVAC system power is off. 2. Strip 1/4" (0.63 cm) of insulation from each wire you are using. 3. Secure the wires into the terminals on the base according to the appropriate wiring diag