ICM323 | Defrost Control, 30/60/90 minutes, like ICM304 with B terminal | ICM Controls

Defrost Control - replacement for ICP control with heat active (B) reversing valve. Same as ICM304 but for heat active reversing valve, Sensor input for defrost terminate, Time and temperature terminate, Integral short cycle protection, Y input tracks compressor run times, Heat active reversing valve.