DOWNLOAD LG LM-1963H2L Service Manual ↓ Size: 7.73 MB | Pages: 127 in PDF or view online for FREE

Model
LM-1963H2L
Pages
127
Size
7.73 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-1963h2l.zip
Date
PREV: LG LM-1962C2N_M_D Service Manual

LG LM-1963H2L Service Manual ▷ View online

- 43 -
1(L)
1(L)
2(N)
2(N)
1(L) 2(N)
3
3
Terminal on the OUTDOOR UNIT
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
Terminal on the INDOOR UNIT
A-UNIT
Terminal on the INDOOR UNIT
Power cord
Power cord
Power cord
B-UNIT
Terminal on the INDOOR UNIT
B-UNIT
Terminal on the INDOOR UNIT
C-UNIT
3
3
1(L) 2(N)
3
1(L) 2(N)
3
2(N)
1(L)
1(L)
3(B)
2(N)
3(A)
1(L) 2(N)
1(L) 2(N)
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
Power cord
Terminal on the INDOOR UNIT
B-UNIT
3
1(L) 2(N)
3
1(L)
2(N)
1(L)
2(N)
3
3
1(L)
2(N)
3
3
2(N)
2(N)
1(L)
1(L)
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
1(L)
2(N)
1(L)
2(N)
3
4
3
4
Terminal on the INDOOR UNIT
B-UNIT
1(L)
2(N)
3
4
3
2(N)
4
1(L)
Outdoor unit
Terminal block
Over 5mm
Cover control
Connecting cable
Power cord
Holder for
power supply
cord
2) Connection of the cable
1. Remove the cover control from the unit by loosen-
ing the screw. 
Connect the wires to the terminals on the control
board individually as the following.
2. Secure the cable onto the control board with the
holder (clamper).
3. Refix the cover control to the original position with
the screw.
4. Use a recongnized circuit breaker between the
power source and the unit. A disconnection device
to adequately disconnect all supply lines must be
fitted.
Caution
If a power plug is not to be used, provide a circuit
breaker between power source and the unit as
shown below.
CAUTION
ø
8.5mm
GN/YL
20mm
ø
7.5mm
GN/YL
20mm
The power cord connected to the outdoor unit
should be complied with the following specifica-
tions (Rubber insulation, type H05RN-F
approved by HAR or SAA).
The connecting cable connected to the indoor
and outdoor unit should be complied with the
following specifications (Rubber insulation, type
H07RN-F approved by HAR or SAA).
NORMAL CROSS-
SECTIONAL AREA
0.75mm
2
NORMAL CROSS-
SECTIONAL AREA
2.5mm
2 
or 3.5mm
2
Air
Conditioner
Air
Conditioner
Circuit Breaker
Use a circuit
breaker or time
delay fuse.
(14K, 15K, 17K, 19K, 20K, 21K)
Main power source
Main power source
Circuit Breaker
Use a  25A circuit
breaker or time
delay fuse.
(30K)
- 44 -
Pull the right and the left side.
Screw
Connecting cable
1) Checking the Drainage
1. Remove the Grille from the cabinet
• Set the up-and-down air direction louver to
open position(horizontally) by finger pressure.
• Remove the securing screws.
• To remove the Grille, pull lower the left and
right side of the grille toward you (slightly tilted)
and lift it straight upward.
2. Check the drainage
• Pour a glass of water on the evaporator.
• Ensure if water flows drain hose of indoor unit
without any leakage.
(4) Checking the Drainage and Pipe forming
- 45 -
Connecting cable
2) Connect the cable to the indoor unit
1. Connect the wires to the terminals on the
control board individually according to the
outdoor unit connection.
• Ensure that the color of the wires of  outdoor
unit and the terminal No. are the same as
those of indoor unit respectively.
2. Attach the Grille onto the cabinet.
• Grasp lower the left and right side of the
Grille and engage four tabs on the top inside
edge of the chassis.
• Press the Grille toward the chassis until it will
be back into place.
1(L)
1(L)
2(N)
2(N)
1(L) 2(N)
3
3
Terminal on the OUTDOOR UNIT
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
Terminal on the INDOOR UNIT
A-UNIT
Terminal on the INDOOR UNIT
Power cord
Power cord
Power cord
B-UNIT
Terminal on the INDOOR UNIT
B-UNIT
Terminal on the INDOOR UNIT
C-UNIT
3
3
1(L) 2(N)
3
1(L) 2(N)
3
2(N)
1(L)
1(L)
3(B)
2(N)
3(A)
1(L) 2(N)
1(L) 2(N)
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
Power cord
Terminal on the INDOOR UNIT
B-UNIT
3
1(L) 2(N)
3
1(L)
2(N)
1(L)
2(N)
3
3
1(L)
2(N)
3
3
2(N)
2(N)
1(L)
1(L)
Terminal on the OUTDOOR UNIT
Terminal on the INDOOR UNIT
A-UNIT
1(L)
2(N)
1(L)
2(N)
3
4
3
4
Terminal on the INDOOR UNIT
B-UNIT
1(L)
2(N)
3
4
3
2(N)
4
1(L)
Taping
Drain hose
Pipings
Connecting 
cable
Plastic band
• Trap is required to prevent water from 
  entering into electrical parts.
Power cord
- 46 -
Seal a small opening
around the pipings
with gum type sealer. 
Trap
Trap
3) Form the pipings
1. Wrap the connecting portion of indoor unit
with the Insulation material and secure it with
two Plastic Bands(for the left pipings).
• If you want to connect an additional drain hose,
the end of the drain-outlet should keep distance
from the ground.(Do not dip it into water, and fix
it on the wall to avoid swinging in the wind.)
2. Tape the Pipings, drain hose and Connecting
Cable from down to up.
3. Form the pipings gathered by taping along the
exterior wall and fix it onto the wall by saddle
or equivalent.
1. Tape the Pipings and Connectiong cable from
down to up.
2. Form the pipings gathered by taping along the
exterior wall and the Trap to be required to
prevent the room from entering the water.
3. Fix the pipings onto the wall by saddle or
equivalent.
In case of the Outdoor unit is installed bellow
position of the Indoor unit.
In case of the Outdoor unit is installed upper
position of the Indoor unit.
Page of 127
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