LG LS-R126ABG / LS-R126ABL / LS-R126AHG_AEL / LS-R126BBG_RBG / LS-R126CBG_FBG / LS-R126CEL_EEL / S12LHP Service Manual ▷ View online
ENGLISH
5
How to fix installation plate
The wall you select should be strong and solid
enough to prevent vibration
enough to prevent vibration
Mount the installation plate on the wall with
6 type "A" screws. If mounting the unit on a
concrete wall, use anchor bolts.
6 type "A" screws. If mounting the unit on a
concrete wall, use anchor bolts.
■
Mount the installation plate horizontally by
aligning the centerline using a level.
aligning the centerline using a level.
Measure the wall and mark the centerline. It
is also important to use caution concerning
the location of the installation plate-routing of
the wiring to power outlets is through the
walls typically. Drilling the hole through the
wall for piping connections must be done
safely.
is also important to use caution concerning
the location of the installation plate-routing of
the wiring to power outlets is through the
walls typically. Drilling the hole through the
wall for piping connections must be done
safely.
5-7mm
(3/16"~5/16")
Indoor
WALL
Outdoor
Answering telephone / Normal telephone
(Not packed in the box)
Adaptor
(Not packed in
the box)
Telephone Control
Cord Wire
(Packed in the box)
Phone
Conductor
Conductor
Installation Plate
Type "A" screw
Installation plate
Ø70mm
Left rear piping
Right rear piping
C
D
B
A
Ø70mm
Ø70mm
Left rear piping
Right rear piping
C
E
A
B
D
Installation plate
Installation plate
A
B
■
Drill the piping hole with a ø70mm hole core
drill. Drill the piping hole at either the right or
the left with the hole slightly slanted to the
outdoor side.
drill. Drill the piping hole at either the right or
the left with the hole slightly slanted to the
outdoor side.
■
Open the Front Grille.
■
Pass Telephone Control Cord Wire through
the hole which the power cord goes
through.
the hole which the power cord goes
through.
■
Connect Telephone Control Cord Wire to
the phone jack of telephone PCB of
Control Box.
the phone jack of telephone PCB of
Control Box.
■
Fix Telephone Control Cord Wire inside
Control box so as not to disconnect.
Control box so as not to disconnect.
■
Close the Front Grille.
Drill a hole in the wall
Installation instructions of
telephone control(Optional)
telephone control(Optional)
A
B
C
D
SJ
90
20
80
20
SL, SK
45
40
80
20
SQ
75
12
80
12
SR
0
40
20
40
ST
105
0
210
0
CHASSIS
(Grade)
Distance (mm)
A
B
C
D
E
SM
180
115
-
115
50
SN
180
115
195
115
-
CHASSIS
(Grade)
Distance (mm)
6
FLARING WORK AND CONNECTION OF PIPING
mm
inch
mm
Ø6.35
1/4
0~0.5
Ø9.52
3.8
0~0.5
Ø12.7
1/2
0~0.5
Ø15.88
5/8
0~1.0
Ø19.05
3/4
1.0~1.3
Outside diameter
A
Connection of piping -- Indoor
■
Preparing the indoor unit's piping and drain
hose for installation through the wall.
hose for installation through the wall.
■
Remove the plastic tubing retainer(see
illustration below) and pull the tubing and
drain hose away from chassis.
illustration below) and pull the tubing and
drain hose away from chassis.
■
Replace the plastic tubing holder in the
original position.(Optional)
original position.(Optional)
Flaring work
Main cause for refrigerant leakage is due to defect
in the flaring work. Carry out correct flaring work
using the following procedure.
in the flaring work. Carry out correct flaring work
using the following procedure.
Cut the pipes and the cable.
■
Use the piping kit accessory or pipes
purchased locally.
purchased locally.
■
Measure the distance between the indoor and
the outdoor unit.
the outdoor unit.
■
Cut the pipes a little longer than the measured
distance.
distance.
■
Cut the cable 1.5m longer than the pipe length.
Burr removal
■
Completely remove all burrs from the cut
cross section of pipe/tube.
cross section of pipe/tube.
■
Put the end of the copper tube/pipe in a
downward direction as you remove burrs in
order to avoid dropping burrs into the tubing.
downward direction as you remove burrs in
order to avoid dropping burrs into the tubing.
A
B
Putting nut on
■
Remove flare nuts attached to indoor and
outdoor unit, then put them on pipe/tube
having completed burr removal.
(not possible to put them on after flaring work)
outdoor unit, then put them on pipe/tube
having completed burr removal.
(not possible to put them on after flaring work)
C
Copper
pipe
90
°
Slanted Uneven Rough
Pipe
Reamer
Point down
■
Carry out flaring work using flaring tool as shown below.
Check
■
Compare the flared work with figure below.
■
If flare is noted to be defective, cut off the flared
section and re-flare it.
section and re-flare it.
E
Flare nut
Copper tube
Tubing holder
Inclined
Inside is shiny without scratches
Smooth all round
Even length
all round
Surface
damaged
Cracked Uneven
thickness
= Improper flaring =
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.
that the remaining parts
must be removed clearly
so as not to damage the
piping and drain hose,
especially power cord
and connecting cable.
Bar
Copper pipe
Clamp handle
Red arrow mark
Cone
Yoke
Handle
Bar
"A"
Flaring work
■
Firmly hold copper pipe in a die in the
dimension shown in the table above.
dimension shown in the table above.
D
ENGLISH
7
Route the indoor tubing and the drain hose in
the direction of rear right.
the direction of rear right.
Insert the connecting cable into the indoor unit
from the outdoor unit through the piping hole.
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.
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.
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.
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.
D
Connecting the pipings to the indoor unit and
drain hose to drain pipe.
drain hose to drain pipe.
■
Align the center of the pipes and sufficiently
tighten the flare nut by hand.
tighten the flare nut by hand.
E
A
B
C
NOTE: If the drain hose is routed inside the room,
insulate the hose with an insulation material
insulate the hose with an insulation material
*
so that
dripping from "sweating"(condensation) will not damage
furniture or floors.
furniture or floors.
*
Foamed polyethylene or equivalent is recommended.
Drain hose
1
2
Connecting
cable
cable
Loop
Gas side
piping
piping
Liquid side
piping
piping
Drain hose
Drain hose
Connecting
cable
Indoor unit tubing
Flare nut
Pipes
For right rear piping
Wrench
Indoor unit tubing
Open-end wrench (fixed)
Connection pipe
Flare nut
■
Tighten the flare nut with a wrench.
Wrap the insulation material around the
connecting portion.
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.
F
Plastic bands
Insulation material
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.
Vinyl tape(narrow)
Connection
pipe
pipe
Connecting cable
Vinyl tape
(wide)
(wide)
Wrap with vinyl tape
Indoor
unit pipe
unit pipe
Pipe
■
Wrap the area which accommodates the rear piping
housing section with vinyl tape.
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
8
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
Tape the drain hose and the connecting cable.
• Connecting cable
• Connecting cable
Indoor unit installation
■
Hang the indoor unit from the hooks at the top of
the installation plate.
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 installation plate and separate the bottom of
the indoor unit from the wall.
Route the indoor tubing and the drain hose to the
required piping hole position.
required piping hole position.
A
Insert the piping, drain hose, and the connecting
cable into the piping hole.
cable into the piping hole.
B
D
E
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.
later.
C
Drain pipe
Connecting cable
■
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.
wrapping them with vinyl tape for enough to cover
where they fit into the rear piping housing section.
Installation plate
Spacer
Indoor unit
8cm
Connecting the pipings to the indoor unit and
the drain hose to drain pipe.
the drain hose to drain pipe.
■
Align the center of the pipes and sufficiently
tighten the flare nut by hand.
tighten the flare nut by hand.
■
Tighten the flare nut with a wrench.
F
Wrap the insulation material around the
connecting portion.
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.
G
Plastic bands
Insulation material
Indoor unit tubing
Flare nut
Pipes
Wrench
Indoor unit tubing
Connection pipe
Flare nut
Open-end wrench (fixed)
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.
For left rear piping
Wrap with vinyl tape
Drain hose
Pipe
Vinyl tape(wide)
Click on the first or last page to see other LS-R126ABG / LS-R126ABL / LS-R126AHG_AEL / LS-R126BBG_RBG / LS-R126CBG_FBG / LS-R126CEL_EEL / S12LHP service manuals if exist.