
Wiring Diagrams 
 
Indoor Unit (Cooling Only) 
Model : MCK020/ 025A 
 
 
 
 
 
   
 
 
 
 
 
Outdoor Unit 
Model : MLC/ M4LC020/ 025B 
▲   CN4 IS  CONNECTED  TO WIRED HANDSET 
▲▲ CN6 IS  CONNECTED  TO SENSOR Sc INDICATOR  LIGHT OF 
WIRELESS HANDSET 
REMARK = EITHER CN4 OR  CN6 CAN  BE CONNECTED  AT  ANY  ONE TIME 
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