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Installation of Indoor, Outdoor Unit
• Drill the piping hole with 70 mm 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.
CAUTION: Cutting line of
insulation must look upper
direction. Thickness of
insulation is 7 mm or over.
NOTICE
Recommended Insulation
material
Meterial: FOAM PE
Thickness : 10 mm
Density : less than 0.032±0.005 (g/cm
TEST AND CHECK
I After all workings are finished, check the working and operation.
• Air distribution
• Drain
• Gas leakage
• Wiring
• Lock-bolt
14 Concealed Duct Air Conditioner
All thermal insulation must comply with local requirement.
Union for liquid pipe
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
2
)
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.
Power cable
Liquid pipe
Thermal conductivity : less than 0.03
(kcal/m.hr.°C)
WALL
Outdoor
Thermal insulator for refrigerant pipe
(Local supply) Thermal insulator for
piping(Local supply)
Overlap with thermal
insulator for piping.
Hose clip for thermal insulator(Local supply)
Make sure that there is no clearance here.
Tape
Gas pipe
Thermal insulator
5~7 mm
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