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The Carrier HK32EA001 Defrost Timer Board is an essential component in HVAC systems that controls the defrost cycle in heat pumps and refrigeration units. This timer board is designed to ensure efficient operation in colder temperatures by controlling the timing and duration of the defrost cycle, preventing frost buildup on the outdoor coils. It works by monitoring temperature and pressure sensors and activating the defrost cycle when necessary to melt accumulated frost and ice.
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