LG LZ-H050GXN0 - Connecting the Pipings to the Indoor Unit and Drain Hose to Drain Pipe; Insulation, Others

20 Ventilator
Connecting Pipes
Connecting the pipings to the indoor unit and drain hose to drain pipe
Insulation, Others
• Align the center of the pipings and sufficiently
tighten the flare nut by hand.
• Tighten the flare nut with a wrench.
• When extending the drain hose at the indoor
unit, install the drain pipe.
• Insulate the joint and tubes completely
Indoor unit tubing Flare nut Pipings
Torque wrench
Indoor unit tubing
Spanner (fixed)
Connection pipe
Flare nut
mm inch kg
.
m
Ø6.35 1/4 1.8~2.5
Ø9.52 3/8 3.4~4.2
Ø12.7 1/2 5.5~6.6
Ø15.88 5/8 6.6~8.2
Ø19.05 3/4 9.9~12.1
Outside diameter Torque
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
Make sure that there is no clearance here.
Overlap with thermal
insulator for piping.
Thermal insulator for refrigerant pipe
(Local supply)
Thermal insulator for
piping(Local supply)
Hose crip for thermal insulator(Local supply)
Union for liquid pipe
Refrigerant pipe and thermal
insulator(Local supply)
Union for gas pipe
Thermal insulator for refrigerant pipe
(Local supply)
Hose crip for thermal insulator
(Local supply)
All thermal insulation must comply with local require-
ment.
THERMAL INSULATION