Crankcase Heater Wiring Diagram

Wiring route one crankcase heater wire into control box and attach to quick connect line voltage terminal 11 on contactor.

Crankcase heater wiring diagram. You notice that one side of the heater is going to. I will wait while you think it through. Fasten heater firmly in place with clip provided on heater. Route other switch wire into control box.

Don t cheat look at it. The crankcase heater will heat at all times. Crankcase heater wire with the remaining purple thermostat terminator wire using the supplied wire nut. This is a common carrier heat pump crankcase heater configuration.

Place the wiring diagram provided with the kit on the inside of the control box cover. Route other temperature switch wire. 40rmq008 012 applies to all 40rm500859 11 unit wiring diagram c contactor compressor cap capacitor cb circuit breaker cch crankcase heater clo compressor lockout comp compressor dfc defrost control dft defrost thermostat dgt discharge gas thermostat equip equipment fm fan motor gnd ground hp hps. Fasten heater firmly in place with clip provided on heater.

Connect both leads on the line side of the contactor. Look at the diagram at the top and focus on the top left part of the diagram where the crankcase heater is located how does that work do you think. Reinstall the side panel and the unit top and the control box cover. Cut quick connect off other crankcase heater wire strip and connect to stripped temperature switch wire with a wire nut.

Reinstall the side panel and the unit top and the control box cover. Reapply power to the unit. Place the wiring diagram provided with the kit on the inside of the control box cover. See figure 1 11.