40
11.1.3.4 Connect the Cable to the Outdoor Unit
1 Remove the control board cover from the unit
by loosening the screw.
2 Cable connection to the power supply through
Isolating Devices (Disconnecting means).
o Connect approved type polychloroprene
sheathed power supply cord 3 × 2.5 mm
2
(2.0 ~ 2.5HP) type designation 245 IEC 57
or heavier cord to the terminal board, and
connect the others end of the cord to
Isolating Devices (Disconnecting means).
3 Connecting cable between indoor unit and
outdoor unit shall be approved polychloroprene
sheathed 4 x 1.5 mm
2
flexible cord, type
designation 245 IEC 57 or heavier cord.
4 Connecting cable between outdoor unit and
DRED (Demand response enabling devices)
shall be double insulation layer,
polychloroprene sheathed (> 50V) with size 4 ×
(0.5 mm
2
to 2.0 mm
2
) cable or flexible cord,
where the maximum allowable length is 30 m.
5 Connect the power supply cord and connecting
cable between indoor unit and outdoor unit
according to the diagram below.
6 Secure the power supply cord and connecting cable onto the control board with the holder.
7 Attach the control board cover back to the original position with screw.
8 For wire stripping and connection requirement, refer to instruction 5 of indoor unit.
Note: Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap.
Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.
Always ensure all above connections compliant with national wire rules.
11.1.3.5 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.
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