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10.1.5.1 Checking for gas leakage
Check for leakage of gas after air purging.
10.1.5.2 Insulating the refrigerant piping
Attach the pipe after checking for gas leakage,
described above.
1 Cut the insulated portion of the on-site piping,
matching it up with the connecting portion.
2 Secure the slit on the auxiliary pipe side with
the butt joint on the connection pipe using the
tape, making sure there are no gaps.
3 Wrap the slit and the butt joint with the
included insulation sheet , making sure
there are no gaps.
10.1.6 Connecting the Indoor/Outdoor Connection Cable
1 Leave the sensor securing plate, remove the
front metal plate cover.
2 Connecting the cable between indoor unit and
outdoor unit shall be approved
polychloroprene sheathed 4 x 1.5 mm² flexible
cord, type designation 60245 IEC 57 or
heavier cord.
o Ensure the colour of wires of indoor unit
and the terminal Nos, are the same to the
outdoor’s respectively.
o Earth lead wire shall be longer than the
other lead wires as shown in the figure
for the electrical safety in case of the
slipping out of the cord from the
anchorage.
o Secure the cable onto the control board
with the holder (clamper).
Note:
Secure the connection cable onto the control
board with the holder.
Ensure the colour of wires of outdoor unit and the
terminal Nos. are the same to the indoor’s
respectively.
Earth wire shall be Yellow/Green (Y/G) in colour
and longer than other AC wires for safety reason.
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