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• Drill the piping hole with 70mm dia, hole core drill.
• Piping hole should be slightly slant to the outdoor side.
INSULATION, OTHERS
THERMAL INSULATION
INDOOR UNIT
REFRIGERANT PIPE
• Insulate and tape the gas piping.
TEST AND CHECK
I After all workings are finished, check the working and operation.
• Air distribution
• Drain
• Gas leakage
• Wiring
• Lock-bolt
Insulate the joint and tubes completely.
All thermal insulation must comply with local requirement.
Union for liquid pipe
Refrigerant pipe and thermal
insulator(Local supply)
Hose crip for thermal insulator
(Local supply)
Thermal insulator for refrigerant pipe
(Local supply)
Union for gas pipe
Is the air circulation good?
Is the drainage smoothly and no sweating?
Is the piping connection correctly?
Is the wiring connection correctly?
Is the lock-bolt of compressor loosened?
Installation of Indoor, Outdoor Unit
WALL
Indoor
Thermal insulator for refrigerant pipe
(Local supply) Thermal insulator for
Overlap with thermal
insulator for piping.
Hose crip for thermal insulator(Local supply)
Make sure that there is no clearance here.
Power cable
Liquid pipe
Thermal insulator
Outdoor
5~7mm
piping(Local supply)
Tape
Gas pipe
Service Manual 31
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Troubleshooting
