LG LS-M3021CL_AL / LS-M3060HL_CL_AL_BL / LS-M3061HL_CL_BL_AL / LS-M3063CL / LS-M3064HL_CL_DL_EL / LS-M3221HL_CL_BL_AL / LS-N3621CL_AL / LS-N3660HL_CL_AL_BL / LS-N3661HL_CL_AL_BL / LS-N3664EL / LS-N3821HL_CL_BL_AL Service Manual ▷ View online
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2) Connection of piping-Indoor
1. Remove the 2 screws of right side panel.
2. Remove the front right side panel by the arrow.
■
The connector can be disconnected by pulling it
while pressing the connector's hook.
while pressing the connector's hook.
■
Remove the 1 screw for fixing lower panel.
3. Remove the lower panel by the arrow.
■
Take care not to scratch the wall and mat to
drop.
drop.
1. Route the indoor tubing and the drain hose in the
direction of rear left.
2. Insert the connecting cable into the indoor unit
from the outdoor unit through the piping hole.
■
Do not connect the cable to the indoor unit.
■
Make a small loop with the cable for easy
connection later.
connection later.
Right side panel
Drain hose
Main PCB
Lower panel
Lower panel
For left rear piping
CAUTION
When install, make sure that the
remaining parts must be
removed clearly so as not to
damage the piping and drain
hose, especially power cord and
connecting cable.
When install, make sure that the
remaining parts must be
removed clearly so as not to
damage the piping and drain
hose, especially power cord and
connecting cable.
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3. Tape the tubing, drain hose and the connecting
cable. Be sure that the drain hose is located at the
lowest side of the bundle. Locating at the upper side
can cause drain pan to overflow inside the unit.
lowest side of the bundle. Locating at the upper side
can cause drain pan to overflow inside the unit.
3. Tape the tubing, drain hose and the connecting
cable. Be sure that the drain hose is located at the
lowest side of the bundle. Locating at the upper side
can cause drain pan to overflow inside the unit.
lowest side of the bundle. Locating at the upper side
can cause drain pan to overflow inside the unit.
NOTE: If the drain hose is routed inside the room,
insulate the hose with an insulation material*
so that dripping from "sweating"(condensa-
tion) will not damage furniture or floors.
*Foamed polyethylene or equivalent is rec-
so that dripping from "sweating"(condensa-
tion) will not damage furniture or floors.
*Foamed polyethylene or equivalent is rec-
ommended.
4. Indoor unit installation
■
Hook the indoor unit onto the upper portion of the
installation plate.(Engage the three hooks of the
rear top and rear lower of the indoor unit with the
upper edge and lower 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 three hooks of the
rear top and rear lower of the indoor unit with the
upper edge and lower edge of the installation
plate.) Ensure that the hooks are properly seated
on the installation plate by moving it left and right.
5. Connecting the pipings to the indoor unit and drain
hose to drain pipe.
■
Align the center of the pipings and sufficiently
tighten the flare nut by hand.
tighten 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.
install the drain pipe.
Connecting
cable
cable
Loop
Gas side
piping
piping
Liquid side
piping
piping
Drain hose
Installation
plate
plate
Three upper
hooks
hooks
Installation plate
Indoor unit
Three lower
hooks
hooks
Setting line
Indoor unit tubing
Flare nut
Pipings
Connection pipe
Flare nut
Indoor unit tubing
Torque wrench
Spanner (fixed)
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
Pipe Size[Torque]
Capacity
(Btu/h)
GAS
LIQUID
30K, 32K
5/8"[6.6kg.m]
3/8"[4.2kg.m]
36K, 38K
3/4"[6.6kg.m]
3/8"[4.2kg.m]
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6. Wrap the insulation material around the connecting
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.
■
Wrap the area which accommodates the rear pip-
ing housing section with vinyl tape.
ing housing section with vinyl tape.
■
Bundle the piping and drain hose together by
wrapping them with vinyl tape over the range with-
in which they fit into the rear piping housing sec-
tion.
wrapping them with vinyl tape over the range with-
in which they fit into the rear piping housing sec-
tion.
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.
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
connection later.
connection later.
4. Tape the drain hose and the connecting cable.
• Connecting cable
Plastic bands
Insulation material
Drain hose
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
Wrap with vinyl tape
Drain hose
Pipe
Vinyl tape(wide)
For right rear piping
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5. Indoor unit installation
■
Hook the indoor unit onto the upper portion of the
installation plate.(Engage the three hooks of the
rear top and rear lower of the indoor unit with the
upper edge and lower 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 three hooks of the
rear top and rear lower of the indoor unit with the
upper edge and lower edge of the installation
plate.) Ensure that the hooks are properly seated
on the installation plate by moving it left and right.
6. Connecting the pipings to the indoor unit and the
drain hose to drain pipe.
■
Align the center of the pipings and sufficiently
tighten the flare nut by hand.
tighten 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.
install the drain pipe.
7. Wrap the insulation material around the connecting
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.
■
Wrap the area which accommodates the rear
piping housing section with vinyl tape.
piping housing section with vinyl tape.
Installation
plate
plate
Three upper
hooks
hooks
Installation plate
Indoor unit
Three lower
hooks
hooks
Setting line
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
Indoor unit tubing
Flare nut
Pipings
Torque wrench
Indoor unit tubing
Spanner (fixed)
Connection pipe
Flare nut
30K, 32K
5/8"[6.6kg.m]
3/8"[4.2kg.m]
36K, 38K
3/4"[6.6kg.m]
3/8"[4.2kg.m]
Pipe Size[Torque]
Capacity
(Btu/h)
GAS
LIQUID
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