Heat Pump With Gas Furnace Backup Wiring

In a heat pump this is for the backup heat source.

Heat pump with gas furnace backup wiring. The gas furnace would be the secondary heat source instead of using the heat pump s electric heat strip when the temperatures drop. The defrost control board in the condenser will automatically defrost the system. To find out whether a dual fuel system is an option for your home and how you may benefit talk to your professional licensed hvac dealer. A dual fuel furnace takes on the problem with a hybrid approach that combines a heat pump and a backup gas fired heater.

Dual is better than one. Whether it is electric heat strips or a gas furnace dual fuel the w terminal controls this. Electric backup heat standard heat pump thermostat standard air handler heat pump condenser 24 volt fan only operation common air conditioning heat pump reversing valve 1st stage heat gas electric backup heat low voltage connection some ac systems will have a blue wire with a pink stripe in place of the yellow or y wire.