Tempstar TX5300 heat pump

My electric Tempstar tx5300 defrosts even when it is not real cold? Does it have a thermostat or timed defrost? Can it be changed so it defrosts less frquently?? T4H336GKA200
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Depends on if its time/temp or demand defrost. The unit can require defrost mode to run even around 40F if the humidity is real high. Need a lot more information....
ODT RH IDT LLP LLT SP ST
As well as your location, the age of the system, what type of refrigerant, and the date of last service.
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