40 
11.3.5  Connect the cable to the Outdoor Unit 
1  Remove the control board cover from the  
unit by loosening the screw. 
2  Connection cable between indoor unit and 
outdoor unit shall be approved 
polychloroprene sheathed 3 × 1.5 mm
2
 
(1.5HP) or 3 × 2.5 mm
2
 (2.0 ~ 2.5HP) 
flexible cord, type designation 60245 IEC 57 
or heavier cord. Do not use joint connection 
cable. Replace the wire if the existing wire 
(from concealed wiring, or otherwise) is too 
short. 
 
 
 
3  Secure the cable onto the control board with 
the holder (clamper).    
4  Attach the control board cover back to the 
original position with screw. 
5  For wire stripping and connection requirement, 
refer to instruction 11.2.5 of indoor unit. 
 
 
 
 WARNING
 
 This equipment must be properly earthed. 
•  Earth wire shall be Yellow/Green (Y/G) in colour 
and longer than the other AC wires for safety 
reason. 
11.3.6 Piping Insulation 
1  Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation 
Diagram. Please wrap the insulated piping end to prevent water from going inside the piping. 
2  If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by 
using POLY-E-FOAM with thickness 6 mm or above.