LG AS-H186V_L1_L2 Service Manual ▷ View online
Service Manual 17
Installation
3. Indoor unit installation
Hook the indoor unit onto the upper portion of the
installation plate.(Engage the two hooks of the rear
top of the indoor unit with the upper edge of the
installation plate.) Ensure that the hooks are properly
seated on the installation plate by moving it left and
right.
installation plate.(Engage the two hooks of the rear
top of the indoor unit with the upper edge of the
installation plate.) 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).
the installation plate until the hooks engage into their
slots(clicking sound).
Connecting the piping to the indoor unit and drain
hose to drain pipe.
hose to drain pipe.
1. Align the center of the pipes and sufficiently tighten
the flare nut by hand.
2. Tighten the flare nut with a wrench.
3. When extending the drain hose at the indoor unit,
install the drain pipe.
Wrap the insulation material around the connecting
portion.
portion.
1. Overlap the connection pipe insulation material and
the indoor unit pipe insulation material. Bind them
together with vinyl tape so that there may be no gap.
together with vinyl tape so that there may be no gap.
2. Wrap the area which accommodates the rear piping
housing section with vinyl tape.
3. Bundle the piping and drain hose together by wrap-
ping them with vinyl tape for enough to cover where
they fit into the rear piping housing section.
they fit into the rear piping housing section.
Drain hose
Connecting
cable
Indoor unit tubing
Flare nut
Pipes
Wrench
Indoor unit tubing
Open-end wrench (fixed)
Connection pipe
Flare nut
mm
inch
kg.m
Ø6.35
1/4
1.8
Ø9.52
3/8
4.2
Ø12.7
1/2
5.5
Outside diameter
Torque
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
Plastic bands
Insulation material
Vinyl tape(narrow)
Connection pipe
Connecting cable
Vinyl tape (wide)
Wrap with vinyl tape
Indoor unit pipe
Pipe
Wrap with vinyl tape
Drain hose
Pipe
Vinyl tape(wide)
18 Room Air Conditioner
Installation
CAUTION: Installation Information
For right piping. Follow the instruction below.
For right piping. Follow the instruction below.
Good case
• Press on the upper side of clamp and unfold the tubing to downward slowly.
Bad case
• Following bending type from left to right may cause damage to the turbing.
Service Manual 19
Installation
Outdoor
Align the center of the pipings and sufficiently tighten
the flare nut by hand.
the flare nut by hand.
Finally, tighten the flare nut with torque wrench until the
wrench clicks.
wrench clicks.
• When tightening the flare nut with torque wrench,
ensure the direction for tightening follows the arrow on
the wrench.
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
Outdoor unit
Liquid side piping
(Smaller diameter)
(Smaller diameter)
Gas side
piping
(Bigger
diameter)
piping
(Bigger
diameter)
Torque wrench
20 Room Air Conditioner
Installation
Indoor
Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually
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.)
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.)
Connecting the Cables
CAUTION:
• The above circuit diagram is subject to change without notice.
• The earth wire should be longer than the common wires.
• When installing, refer to the circuit diagram behind the panel front of the indoor unit.
• Connect the wires firmly so that they may not be pulled out easily.
• Connect the wires according to color codes, referring to the wiring diagram.
• The above circuit diagram is subject to change without notice.
• The earth wire should be longer than the common wires.
• When installing, refer to the circuit diagram behind the panel front of the indoor unit.
• Connect the wires firmly so that they may not be pulled out easily.
• Connect the wires according to color codes, referring to the wiring diagram.
CAUTION: If a power plug is not
used, provide a circuit breaker
between power source and the
unit as shown by.
used, provide a circuit breaker
between power source and the
unit as shown by.
CAUTION: The power cord connected to the "A" unit should be selected according to
the following specifications(Type "B" approved by HAR or SAA).
the following specifications(Type "B" approved by HAR or SAA).
The power connecting cable connecting the indoor and outdoor unit should be
selected according to the following specifications (Type "B" approved by HAR or
SAA).
selected according to the following specifications (Type "B" approved by HAR or
SAA).
Air
Conditioner
Main power source
Circuit Breaker
Use a circuit breake
or time delay fuse.
Use a circuit breake
or time delay fuse.
5k~9k 12k~14k
18k
24k~28k 30k, 32k 36k, 38k
0.75
1.0
1.5
2.5
2.5
5.5
Unit(A)
Indoor
Indoor
Indoor
Indoor Outdoor Outdoor
Cable Type(B) H05VV-F H05VV-F H05VV-F H05VV-F H05RN-F H05RN-F
NORMAL CROSS
-SECTIONAL AREA
Grade
(mm
2
)
5k~9K 12k~14k
18k
24k~28k
0.75
1.0
1.5
2.5
Cable Type(B) H07RN-F H07RN-F H07RN-F H07RN-F
NORMAL
CROSS
-SECTIONAL
AREA
Grade
(mm
2
)
NORMAL
CROSS-SECTIONAL
AREA 0.75mm
CROSS-SECTIONAL
AREA 0.75mm
2
30k, 32k
36k, 38k
0.75
0.75
Cable Type(B) H07RN-F H07RN-F
NORMAL CROSS
-SECTIONAL AREA
Grade
(mm
2
)
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