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109 

1  Perform “16.2.1 Removing the Outer Top Panel and Outer Front Panel”. 
2  Disengage 4 tabs of the electrical component cover (the top cover of the control board) (2 locations each on 

the right and left sides). Remove the electrical component cover (the top cover of the control board). 

 

 

 

3  Remove the fixing screw (1 piece) of the power-supply box. 

 

 

 

4  Disconnect the connectors of CN-MTR1 (white) and CN-MTR2 (white) only. 



 Notes on assembly: When performing the wiring after the replacement of the outdoor motor, close the top 

cover of the control board before connecting the connectors of CN-MTR1 & 2 for wiring. If the wiring is 
performed without closing the top cover of the control board, the wire may get pinched while closing the 
cover. 

5  Rotate the nut located in the center of the propeller fan clockwise. Then, remove the propeller fan. 

 

 

 
 
 
 
 
 

110 

6  Loosen the fixing screws (4 pieces) of the outdoor motor and remove the outdoor motor. 

 

 

 



 Notes on assembly: When assembling the propeller fan and outdoor motor, the alignment mark located in 

the center part of the propeller fan should be aligned with the slit in the shaft of the outdoor motor. 

 

 

1  Perform “16.2.1 Removing the Outer Top Panel and Outer Front Panel”. 
2  Perform “16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal Plate 

Cover)”. 

3  Disconnect the connector of the indoor/outdoor connection wires (red, white and black) and remove the fixing 

screw of the earth wire (green). 

4  Remove the screw (1 piece) which fixes the power-supply box to the outer side panel (right). 

 

 

 
 
 
 
 
 
 
 
 
 
 

111 

5  Pull the outer side panel (right) towards you while pulling up the fixing tab (1 location) of the power-supply 

box to disengage the tab. 

 

 

 

6  Remove the fixing screws (5 pieces) of the outer side panel (right) and remove the outer side panel (right). 



 Note on disassembly: When removing the outer side panel (right) by pulling it upward, be careful not to 

allow the side of the outer side panel to come into contact with the pipe insulation material/tape to avoid 
damage and tear of these materials. 

 

 

112 

1  Perform “16.2.1 Removing the Outer Top Panel and Outer Front Panel”. 
2  Perform “16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal Plate 

Cover)”. 

3  Perform “16.2.3 Removing the Power-Supply Box”. 
4  Perform “16.2.6 Removing the Outer Side Panel (Right)”. 
5  Remove the 4-way valve coil, expansion valve coil, defrosting 2-way valve coil and heat charger tank 2-way 

valve coil. Then, remove the fixing screws of the acoustic insulation board (3 pieces on the right side and 1 
piece at the front bottom). 

 

 

 



 Note on assembly: When attaching the defrosting 2-way valve coil and heat charger tank 2-way valve coil, 

attach the coils according to the colors indicated on the metal sheet located below the coils to the main 
unit. 

6  Cut the band which fixes the heat charger tank to the acoustic insulation board. Remove the acoustic 

insulation board.