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12.3.4
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).
Connect the approved polychloroprene sheathed power supply cord 3 × 4.0 mm
o
60245 IEC 57 or heavier cord to the terminal board, and connect the others end of the cable to Isolating
Devices (Disconnecting means).
Do not use joint power supply cord. Replace the wire if the existing wire (from concealed wiring, or
o
otherwise) is too short.
In unavoidable case, joining of power supply cord between isolating devices and terminal board of air
o
conditioner shall be done by using approved socket and plug rated 25A. Wiring work to both socket and
plug must follow to national wiring standard.
3
Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 6 ×
2
1.5 mm
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.
4
Connect the power supply cord and connection cable between indoor unit and outdoor unit according to the
diagram below.
5
Secure the power supply cord and connection cable onto the control board with the holder.
6
Attach the control board cover back to the original position with screw.
7
For wire stripping and connection requirement, refer to instruction 12.2.4 of the indoor unit.
WARNING
This equipment must be properly earthed.
•
Isolating Devices (Disconnecting means) should have minimum 3.0mm contact gap.
•
Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.
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.
12.3.5.1
Cutting and flaring the piping
1
Please cut using pipe cutter and then remove the burrs.
2
Remove the burrs by using reamer. If burrs are not removed, gas leakage may be caused. Turn the piping
end down to avoid the metal powder entering the pipe.
3
Please make flare after inserting the flare nut onto the copper pipes.
51
2
type designation
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