Pipes: Gas Side; Liquid Side; Connecting Pipes To The Outdoor Unit; Checking The Drainage - LG B30AWYN762 Installation Manual

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Connecting Pipes to the Outdoor Unit

Connecting Pipes to the Outdoor Unit
Connecting the pipes to the Outdoor
unit
• Remove the tubing cover from the unit by
loosening the screw.
• Align the center of the pipings and sufficiently
tighten the flare nut with fingers.
• Finally, tighten the flare nut with torque wrench
until the wrench clicks.
- When tightening the flare nut with torque
wrench, ensure the direction for tightening
follows the arrow on the wrench.
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
Ø19.05
Align the center of the piping and sufficiently
tighten the flare nut by hand.

Checking the Drainage

Checking the Drainage
• Check the drainage.
- Spray one or two glasses of water upon the
evaporator.
- Ensure that water flows drain hose of indoor
unit without any leakage.
18 Ceiling Concealed Duct Air Conditioner
Torque
kgf . m
inch
1/4
1.8~2.5
3/8
3.4~4.2
1/2
5.5~6.6
5/8
6.3~8.2
3/4
9.9~12.1
Outdoor unit
Torque wrench
Tubing Cover
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)

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