Lennox Mini-Split Service Manual / Page 8
AC Fan Motor .................................................................................................................246
4-Way Valve ...................................................................................................................247
EXV Check ....................................................................................................................248
Low Voltage Protection .................................................................................................251
Compressor Current Limit Protection ..........................................................................251
Electronic Functions Abbreviations .............................................................................252
Electronic Control Working Environment ....................................................................252
Main Protection .............................................................................................................252
Compressor Preheating Functions ..............................................................................253
Compressor Crankcase Heater .....................................................................................253
Capacity Request Calculation ......................................................................................254
Defrost Control ..............................................................................................................256
Outdoor Fan Control .....................................................................................................257
Four-Way Valve Control ................................................................................................258
Electronic Expansion Valve (EXV) Control ..................................................................258
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