Connecting The Installation Pipe And Drain Hose To The Indoor Unit - LG ARNU07GSBL2 Installation Manual

INSTALLATION
12
<Right side piping>
View
Terminal block of indoor unit
1(L) 2(N)
Indoor power input
2
Secure the cable onto the control board
with the cable retainer.
3
Tape the tubing pipe, drain hose and the
connection cable. Be sure that the drain
hose is located at the lowest side of the
bundle. Locating at the upper side can
cause overflow from the drain pan through
the inside of the unit.
<Left side piping>
Drain hose
<Right side piping>
* The feature can be changed according to
type of model.
3(A) 4(B)
Outdoor unit
Tape
Connecting
cable
Drain hose
Connecting pipe
Tape
Connecting
cable
Drain hose
Connecting pipe
! CAUTION
If the drain hose is routed inside the room
insulate the hose with an insulation mate-
rial* so that dripping from sweating conden-
sation) will not damage furniture or floors.
* Foamed polyethylene or equivalent is
recommended.
Connecting the installation pipe
and drain hose to the indoor unit.
1
Align the center of the pipes and suffi-
ciently tighten the flare nut by hand
Indoor unit tubing
2
Tighten the flare nut with a wrench
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
Ø12.7 1/2
Ø15.88 5/8
Ø19.05 3/4
Wrench
Indoor unit tubing
3
When needed to extend the drain hose of
indoor unit, assembly the drain pipe as
shown on the drawing
Drain pipe
Vinyl tape(narrow)
Adhesive
Flare nut Pipes
Torque
kgf.m
1.8~2.5
3.4~4.2
5.5~6.5
6.3~8.2
9.9~12.1
Open-end wrench
(fixed)
Flare nut
Connection
pipe
Indoor unit drain hose