Heat Pump Controls:
Terms & Online References
Relays / Switches
Outdoor and indoor, split-system heat pump controls online.
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Newer heat pumps have circuit boards for both the indoor and outdoor fan operation for high efficiency outputs.
Relays / Switches
A heat pump can be temperature optimized to be used with a fossil-fueled furnace.
Never put a dual contactor on a heat pump unless the crankcase heater is on the constant electrical hub.