LG LS-J0762Y / S07LHN Service Manual ▷ View online
-29-
6. Wrap the insulation material around the connect-
ing 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.
the indoor unit pipe insulation material. Bind them
together with vinyl tape so that there is no gap.
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.
Plastic bands
Insulation material
Drain pipe
Connecting cable
Vinyl tape(narrow)
Connection
pipe
pipe
Connecting cable
Vinyl tape
(wide)
(wide)
Wrap with vinyl tape
Indoor
unit pipe
unit pipe
Pipe
Torque wrench
Indoor unit tubing
Spanner (fixed)
Connection pipe
Flare nut
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
■
When extending the drain hose at the indoor unit,
install the drain pipe.
install the drain pipe.
■
Tighten the flare nut with a wrench.
■
Wrap the area which accommodates the rear piping
housing section with vinyl tape.
housing section with vinyl tape.
■
Bundle the piping and drain hose together by wrap-
ping them with vinyl tape over the range within which
they fit into the rear piping housing section.
ping them with vinyl tape over the range within which
they fit into the rear piping housing section.
For right rear piping
Wrap with vinyl tape
Drain hose
Pipe
Vinyl tape(wide)
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
-30-
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.
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.
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 installation plate and separate the bottom of the
indoor unit from the wall.
Installation plate
Spacer
Indoor unit
8cm
6. Connecting the pipings to the indoor unit and the
drain hose to drain pipe.
■
Align the center of the pipings and sufficiently tight-
en the flare nut by hand.
en the flare nut by hand.
■
Tighten the flare nut with a wrench.
7. Wrap the insulation material around the connect-
ing 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.
indoor unit pipe heat insulation material. Bind them
together with vinyl tape so that there is no gap.
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
Indoor unit tubing
Flare nut
Pipings
Torque wrench
Indoor unit tubing
Spanner (fixed)
Connection pipe
Flare nut
Vinyl tape
Adhesive
Drain hose
Indoor unit drain hose
(narrow)
■
When extending the drain hose at the indoor unit,
install the drain pipe.
install the drain pipe.
■
Wrap the area which accommodates the rear piping hous-
ing section with vinyl tape.
ing 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
Outside diameter
Torque
-31-
3) Connection of the pipes-Outdoor
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.
ensure the direction for tightening follows the arrow
on the wrench.
Outdoor unit
Liquid side piping
(Smaller diameter)
(Smaller diameter)
Gas side
piping
(Bigger
diameter)
piping
(Bigger
diameter)
Torque wrench
Outdoor unit
Gas side piping
(Bigger diameter)
(Bigger diameter)
Liquid side
piping
(Smaller
diameter)
piping
(Smaller
diameter)
Torque wrench
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.
and push the bottom of tubing holder to be
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.
installation plate by moving it left and right.
Drain hose
Connecting
cable
Piping for
passage through
piping hole
passage through
piping hole
Tubing holder
Drain hose
Vinyl tape(narrow)
Pipe
Wrap with
vinyl tape(wide)
vinyl tape(wide)
■
Bundle the piping and drain hose together by wrap-
ping them with cloth tape over the range within
which they fit into the rear piping housing section.
ping them with cloth tape over the range within
which they fit into the rear piping housing section.
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).
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
-32-
3. Connecting the Cable Between Indoor Unit and Outdoor Unit
1) Connect the cable to the Indoor unit.
■
Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individu-
ally according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the ter-
minal No. are the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
The above circuit diagram is subject to change without notice.
When installing, refer to the circuit diagram on the control box inside Indoor Uint.
ally according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the ter-
minal No. are the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
The above circuit diagram is subject to change without notice.
When installing, refer to the circuit diagram on the control box inside Indoor Uint.
Air
Conditioner
Main power source
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.
Circuit Breaker
Use a circuit
breaker or time
delay fuse.
Use a circuit
breaker or time
delay fuse.
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.
CAUTION
The power cord connected to the Indoor unit should
be complied with the following specifications
(Type H05VV-F approved by HAR or SAA).
be complied with the following specifications
(Type H05VV-F approved by HAR or SAA).
• 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.
7k, 9k
12k
18k
1.0
1.5
2.5
NORMAL CROSS
-SECTIONAL AREA
Grade
(mm
2
)
7k, 9k
12k
18k
1.0
1.5
2.5
NORMAL CROSS
-SECTIONAL AREA
Grade
(mm
2
)
The connecting cable connected to the indoor and
outdoor unit should be complied with the following
specifications
(Type H07RN-F approved by HAR or SAA).
outdoor unit should be complied with the following
specifications
(Type H07RN-F approved by HAR or SAA).
CAUTION
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