Defrost Key
To access the Defrost Menu, turn the unit On and allow the unit to start and stabilize and show the unit status display (setpoint).
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Press the DEFROST (*) key to open the Defrost Menu.
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Press the F2 OR F3 UP/DOWN key to scroll to “Start Defrost”.
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Press the F4 key to enter DEFROST function. If the unit operating conditions allow a manual defrost (e.g., evaporator coil temperature is less than 18 C [56 F]), the unit enters Defrost.
The defrost cycle automatically terminates and returns the unit to normal operation.
Select Show Defrost Info to display the Defrost Info Screen, which shows information about such as, Compressor Defrost Timer, Timer Defrost Timer Limit, and the Last Defrost as shown below.
