LG LS-H186TNA2 / LS-H246TLM1 / LS-H246TNA2 / LS-H266TGM1 / S24LHP Service Manual ▷ View online
Service Manual 17
Installation
• Tighten the flare nut with a wrench.
• When extending the drain hose at the indoor unit,
install the drain pipe.
5. Wrap the insulation material around the con-
necting portion.
• Overlap the connection pipe insulation material
and the indoor unit pipe insulation material. Bind
them together with vinyl tape so that there is no
gap.
them together with vinyl tape so that there is no
gap.
• Wrap the area which accommodates the rear pip-
ing housing section with vinyl tape.
• Bundle the piping and drain hose together by
wrapping them with vinyl tape for enough to cover
where they fit into the rear piping housing section.
where they fit into the rear piping housing section.
For left rear piping
1. Route the indoor tubing and the drain hose to
the required piping hole position.
2. Insert the piping, drain hose, and the connecting
cable into the piping hole.
mm
inch
kg.m
Ø6.35
1/4
1.8
Ø9.52
3.8
4.2
Ø12.7
1/2
5.5
Ø15.88
5/8
6.6
Ø19.05
3/4
6.6
Outside diameter
Torque
Wrench
Indoor unit tubing
Open-end wrench (fixed)
Connection pipe
Flare nut
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
Plastic bands
Insulation material
Vinyl tape(narrow)
Connection
pipe
pipe
Connecting cable
Vinyl tape
(wide)
(wide)
Wrap with vinyl tape
Indoor
unit pipe
unit pipe
Pipe
Drain hose
Connecting
cable
Drain pipe
Connecting cable
18 Room Air Conditioner
Installation
3. Insert the connecting cable into the indoor unit.
• Don't connect the cable to the indoor unit.
• Make a small loop with the cable for easy connec-
tion later.
4. Tape the drain hose and the connecting cable.
• Connecting cable
5. Indoor unit installation
• Hang the indoor unit from the hooks at the top of
the installation plate.
• Insert the spacer etc. between the indoor unit and
the installation plate and separate the bottom of
the indoor unit from the wall.
the indoor unit from the wall.
6. Connecting the pipings to the indoor unit and
the drain hose to drain pipe.
• Align the center of the pipes and sufficiently tight-
en 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.
7. Wrap the insulation material around the con-
necting portion.
• Overlap the connection pipe heat insulation and
the indoor unit pipe heat insulation material. Bind
them together with vinyl tape so that there is no
gap.
them together with vinyl tape so that there is no
gap.
• Wrap the area which accommodates the rear pip-
ing housing section with vinyl tape.
mm
inch
kg.m
Ø6.35
1/4
1.8
Ø9.52
3.8
4.2
Ø12.7
1/2
5.5
Ø15.88
5/8
6.6
Ø19.05
3/4
6.6
Outside diameter
Torque
Vinyl tape
Adhesive
Drain hose
Indoor unit drain hose
(narrow)
Plastic bands
Insulation material
Vinyl tape(narrow)
Connection
pipe
pipe
Connecting cable
Indoor
unit piping
unit piping
Pipe
Vinyl tape
(wide)
(wide)
Wrap with vinyl tape
Installation plate
Spacer
Indoor unit
8cm
Indoor unit tubing
Flare nut
Pipes
Wrench
Indoor unit tubing
Connection pipe
Flare nut
Open-end wrench (fixed)
Service Manual 19
Installation
• Bundle the piping and drain hose together by
wrapping them with cloth tape over the range with-
in which they fit into the rear piping housing sec-
tion.
in which they fit into the rear piping housing sec-
tion.
8. Reroute the pipings and the drain hose across
the back of the chassis.
9. Set the pipings and the drain hose to the back of
the chassis with the tubing holder.
• Hook the edge of tubing holder to tap on chassis
and push the bottom of tubing holder to be
engaged at the bottom of chassis.
engaged at the bottom of chassis.
10. Indoor unit installation
• Remove the spacer.
• Ensure that the hooks are properly seated on the
installation plate by moving it left and right.
Press the lower left and right sides of the unit against the
installation plate until the hooks engage into their
slots(clicking sound).
installation plate until the hooks engage into their
slots(clicking sound).
1. Align the center of the pipings and sufficiently
tighten the flare nut by hand.
2. 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.
arrow on the wrench.
mm
inch
kg.m
Ø6.35
1/4
1.8
Ø9.52
3/8
4.2
Ø12.7
1/2
5.5
Ø15.88
5/8
6.6
Ø19.05
3/4
6.6
Outside diameter
Torque
Drain hose
Vinyl tape(narrow)
Pipe
Wrap with
vinyl tape(wide)
vinyl tape(wide)
Piping for
passage through
piping hole
passage through
piping hole
Outdoor unit
Gas side piping
(Bigger diameter)
(Bigger diameter)
Liquid side
piping
(Smaller
diameter)
piping
(Smaller
diameter)
Torque wrench
Tubing holder
Drain hose
Connecting
cable
Connection of the Pipes-Outdoor
20 Room Air Conditioner
Installation
• Connect the cable to the indoor unit by connecting the wires to the terminals on the control board in
dividually according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and
the terminal No. are the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
the terminal No. are the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
Air
Conditioner
Main power source
Circuit Breaker
Use a circuit
breaker or time
delay fuse.
Use a circuit
breaker or time
delay fuse.
NORMAL
CROSS-SECTIONAL
AREA 0.75mm
CROSS-SECTIONAL
AREA 0.75mm
2
CAUTION
The power connecting cable connected to
the indoor and outdoor unit should be
complied with the following specifications
(Type "B" approved by HAR or SAA).
the indoor and outdoor unit should be
complied with the following specifications
(Type "B" approved by HAR or SAA).
The power cord connected to the "A" unit
should be complied with the following
specifications(Type "B" approved by HAR or
SAA).
should be complied with the following
specifications(Type "B" approved by HAR or
SAA).
7k~14k
18k
24k~28k
30k, 32k
36k, 38k
1.0
1.5
2.5
2.5
5.5
Unit(A)
Indoor
Indoor
Indoor
Outdoor
Outdoor
Cable Type(B) H05VV-F H05VV-F H05VV-F H05RN-F H05RN-F
NORMAL CROSS
-SECTIONAL AREA
Grade
7k~14k
18k
24k~28k
1.0
1.5
2.5
Cable Type(B) H07RN-F H07RN-F H07RN-F
NORMAL
CROSS
-SECTIONAL
AREA
Grade
30k, 32k
36k, 38k
0.75
0.75
Cable Type(B) H07RN-F H07RN-F
NORMAL CROSS
-SECTIONAL AREA
Grade
(mm
2
)
(mm
2
)
(mm
2
)
CAUTION:
• The above circuit diagram is subject to change
without notice.
• Be sure to connect wires according to the wiring
diagram.
• Connect the wires firmly, so that not to be pulled
out easily.
• Connect the wires according to color codes by
referring the wiring diagram.
• When installing, refer to the circuit diagram on the
Control Box of Indoor Unit.
• When installing, refer to the wiring diagram on the
Control Cover Inside Outdoor Unit.
Connect the Cable to the Indoor Unit.
CAUTION:
If a power plug is not to be used, provide a circuit
breaker between power source and the unit as shown
below.
breaker between power source and the unit as shown
below.
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