Refrigerant Pipe - LG B30AWYN762 Installation Manual

• 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.
CAUTION: Cutting line of
insulation must look upper
direction. Thickness of
insulation is 10mm or over.
Recommended Insulation material
NOTICE
Meterial : FOAM PE
Thickness : 10mm
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
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
)
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?
Installation of Indoor, Outdoor Unit
Indoor
Hose crip for thermal insulator(Local supply)
Make sure that there is no clearance here.
Power cable
Liquid pipe
Thermal insulator
Thermal conductivity : less than
0.03(kcal/m.hr.°C)
WALL
Outdoor
5~7mm
Thermal insulator for refrigerant pipe
(Local supply) Thermal insulator for
piping(Local supply)
Overlap with thermal
insulator for piping.
Tape
Gas pipe
Installation Manual 11