ICM Controls ICM-UDEFROST Universal Defrost Control Board

The ICM Controls ICM-UDEFROST universal defrost control board is a reliable 24-volt time-and-temperature defrost board for heat pumps, configurable via NFC across a wide range of applications. It manages defrost interval and termination, compressor anti-short-cycle delay, high- and low-ambient lockouts, quiet shift, compressor staging delay, and reversing-valve configuration.

Built-in brownout protection, a field test mode, and LED indicators simplify installation and troubleshooting.