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Heat pump, hydronic baseboard hybrid system.
As the title says I recently had a carrier performance series 16seer heat pump installed and already had hydronic baseboard heat (oil burner) the installer installed it on one thermostat, as a heat pump system w/ electric coil aux heat with a relay because thermostat can't control two 24v systems. Whatever thats all fine until you want to run aux heat by itself or when you set a lockout temp and aux heat kicks on compressor kicks off air handler always runs as long as heat is running (even on boiler only) which makes the house drafty and why waste electric... Does anyone know what relays would be required and where the must be hooked up to fix this. Right now I just have thermostat reconfigured to duel fuel but that mean my boiler can never supplement my heat pump just take over, not exactly what i wanted... anyone with an answer installer pretty much left me hanging...