Carrier HK38EA004 Defrost Control Board
Quick Overview
The Carrier HK38EA004 Defrost Control Board regulates the freezing operation by detecting the temperature variations, and a cycle is activated when frost is detected on the coil. It takes input data in the form of sensor values on the system and drives the system components like relays and timers to control when the system is in and out of defrost mode. This part is mounted in the outside unit of a heat pump system where it connects to wiring, sensors and other electrical components to regulate defrost operation.
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