Description
The Carrier HH18HC069 Defrost Temperature Switch is a control component designed to monitor coil temperature during defrost cycles in heat pump equipment. Positioned within HVAC systems, it senses temperature changes on the outdoor coil and signals when to initiate or terminate the defrost process. This operate helps limit the accumulation on the evaporator coil, supporting effective heat transfer and stable operation. It works an essential opeartion in sustaining consistent heating performance in residential and light commercial heat pump units operating in low ambient temperature conditions.
