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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
Union for liquid pipe
REFRIGERANT PIPE
• Insulate and tape both the gas piping and
liquid piping.
TEST AND CHECK
After all workings are finished, check the working and operation.
• Air distribution
• Drain
• Gas leakage
• Wiring
• Lock-bolt
All thermal insulation must comply with local requirement.
Refrigerant pipe and thermal
insulator(Local supply)
Hose clip 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?
Indoor
Insulate the joint and tubes completely.
Make sure that there is no clearance here.
Power cable
Liquid pipe
Thermal insulator
8
WALL
Outdoor
5~7mm
Thermal insulator for refrigerant pipe
(Local supply) Thermal insulator for
piping(Local supply)
Overlap with thermal
insulator for piping.
Hose crip for thermal insulator(Local supply)
Tape
Gas pipe
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