Connecting The Pipings To The Indoor Unit And Drain Hose To Drain Pipe; Connecting The Pipes To The Outdoor Unit - LG B30AWYN7G5 Installation Manual

CONNECTING COPPER PIPES
16
Connecting the pipings to the
indoor unit and drain hose to
drain pipe
- Align the center of the pipings and suffi-
ciently tighten the flare nut by hand.
Indoor unit tubing Flare nut Pipings
- Tighten the flare nut with a wrench.
Torque wrench
Indoor unit tubing
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
Ø12.7 1/2
Ø15.88 5/8
- When extending the drain hose at the indoor
unit, install the drain pipe.
Drain pipe
Vinyl tape(narrow)
Adhesive
Spanner (fixed)
Flare nut
Connection pipe
Torque
kg.m
1.8~2.5
3.4~4.2
5.5~6.6
6.6~8.2
Indoor unit drain hose
Connecting the pipes to the
Outdoor unit

Connecting the pipes to the Outdoor unit

- Align the center of the pipings and suffi-
ciently 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.
Outdoor unit
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
Ø12.7 1/2
Ø15.88 5/8
Ø19.05 3/4
Align the center of the piping and sufficiently
tighten the flare nut by hand.
- The installation piping is connectable in four
directions.(refer to figure 1)
<Figure 1>
Backward
Forward
Continuous
Torque wrench
Torque
kg.m
1.8~2.5
3.4~4.2
5.5~6.6
6.6~8.2
9.9~12.1
Downward
Sideways