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4 Connecting cable between outdoor unit and DRED (Demand response enabling devices) shall be double
insulation layer, polychloroprene sheathed (>50V) with size 4 x (0.5 mm
2
to 2.0 mm
2
) cable or flexible cord,
where the maximum allowable length is 30m.
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 Select required direction and apply protective bushing provided in accessories to protect cables from sharp
edges.
8 Once all wiring work has been completed, tie the wires and cords together with the binding strap so that they
do not touch other parts such as the compressor and pipes.
9 Attach the control board cover back to the original position with screw.
10 For wire stripping and connection requirement, refer to instruction 12.2.4 of indoor unit.
WARNING
This equipment must be properly earthed.
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.
12.3.5 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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