46
11.3.4 Air Purging of the Piping and Indoor
The remaining air in the Refrigeration cycle which contains moisture may cause malfunction on the compressor.
1 Remove the caps from the 2-way and 3-way valves.
2 Remove the service-port cap from the 3-way valves.
3 To open the valve, turn the valve stem of 2-way valve counter-clockwise approx. 90° and hold it there for ten
seconds, then close it.
4 Check gas-leakage of the connecting portion of the pipings.
o For the left pipings, refer to item 4(A).
11.3.5 Connect the Cable to the Outdoor Unit
1 Remove the control board cover from the unit
by loosening the screw.
2 Connecting cable between indoor unit and
outdoor unit shall be approved
polychloroprene sheathed 3 x 1.5 mm
2
(1.0 ~
1.5HP) or 3 x 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 11.2.4 of indoor unit.
Earth wire shall be Yellow/Green (Y/G) in colour
and longer than other AC wires for safety reason.
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