Forced Air
Heat Pump Control
The WF-DFHP1 provides a simple dual fuel interface between a single-stage air source heat pump and a gas or oil furnace, using a conventional 4-wire thermostat and interfacing with off-peak demand control signals. Built-in safeties monitor duct temperature and run time, automatically switching to back-up heat when needed.
Heat Pump Control
WF-DFHP1 – Provides a very simple dual fuel interface between a single-stage air source heat pump and a gas or oil furnace. It allows the installer to use a conventional 4-wire heat/cool thermostat to control the system as well as interface to off-peak, demand control signals from the electric provider. Internal safeties can monitor duct temperature and run time, providing automatic switch to back-up if needed. Outdoor temperature sensor provides cold weather shutdown of the heat pump.
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