Trane Heat Pump Crankcase Heater Wiring Diagram

View Trane Heat Pump Crankcase Heater Wiring Diagram Gif. The trane air handler has six wires as follows: (1) optionnal water buffer tank volume antifreeze heater without pump package antifreeze heater with pump motor rpm oil sump heater circuit1 / circuit 2 evaporator quantity type evaporator model.

Trane Air Handler Model Bwh718a100a1 Wiring Diagram from schematron.org

I have a twg030 trane air handler and a xe1000 trane heat pump. Trane and lennox are notorious for having the most wiring between components. As the oil migrates through an air conditioner or heat pump refrigeration circuit it absorbs refrigerant.

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You also need to be sure the stat is the correct type for the system (i assume this is a heat pump system) and there can be as many as 9 wires from stat to system and 6. The crankcase heater is normally on all the time, even when the unit is not running, though temperature sensors and set points may turn it off when not needed. Up to 48 in (1.2 m); She did identify the wires are most likely: