... are available,R22,R407C,R410a,R417A,R134A are for optional. Commercial type heat pump(High Temp.) ... temp.,Ambient temp.,Time, Operating mode, Discharge temp. Coil temp. Error codeSettingTime, Time On/Off,Water tank ... Power lost memoryDefrostingTypeAutomatic 4 Way Valve ReverseHeatingCrankshaft heater, Bottom heater, Evaporator heaterProtection functionCompressor overload, Discharge temp. and ...