LG LM-1963H2L Service Manual ▷ View online
3. The Indoor Unit Installation
• The following parts is option.
¤
Hanging Bolt - W 3/8 or M10, length 650 mm
¤Ł
Nut - W 3/8 or M10
¤Ø
Spring Washer - M10
¤Œ
Plate Washer - M10
• Drill the piping hole on the wall slightly tilted to
the outdoor side using a Ø 70 hole-core drill.
–15–
Set screw of
paper model (4 pieces)
paper model (4 pieces)
Paper model
for installation
for installation
Ceiling board
100mm
Adjust the same height
Ceiling board
Ceiling
Flat washer for M10
(accessory)
Keep the length of the bolt
from the bracket to 40mm
Open the ceiling board
along the outer edge of the
paper model
along the outer edge of the
paper model
Flat washer for M10
(accessory)
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
Air Conditioner body
Wall
5~7mm
Indoor
Outdoor
• Tighten the nut and bolt to prevent unit falling.
CAUTION
–16–
• Fix the under plate on the wall
• Separate the under plate from Remote control box.
• Fix the cord clamps on the wall by
Ø 3 tapping screws (accessory).
• Fix the remote control cord.
Remote control
box body
Cord clamp
(accessory)
(accessory)
Lever carefully
the box open
using a screw
driver, etc.
Front case
The lower part
Face of wall
Under plate
Screw (accessory)
4. Remote Controller Installation
• Although the room temperature sensor is in the indoor unit, the remote control box should be
installed in such places away from direct sunlight and high humidity.
Installation of the remote control box
• Select places that are not splashed with water.
• Select control position after receiving customer approval.
• The room temperature sensor of the thermostat for temperature control is built in the indoor unit.
• This remote controller equipped with liquid crystal display. If this position is higher or lower, display is difficult
• Select places that are not splashed with water.
• Select control position after receiving customer approval.
• The room temperature sensor of the thermostat for temperature control is built in the indoor unit.
• This remote controller equipped with liquid crystal display. If this position is higher or lower, display is difficult
to see.(The standard height is 1.2 ~ 1.5m high)
Routing of the remote control cord
• Keep the remote control cord away from the refrigerant piping and the drain piping.
• To protect the remote control cord from electrical noise, place the cord at least 5cm away from other power
• Keep the remote control cord away from the refrigerant piping and the drain piping.
• To protect the remote control cord from electrical noise, place the cord at least 5cm away from other power
cables (audio equipment, television set, etc.)
• If the remote control cord is secured to a wall, provide a trap at the top of the cord to prevent water droplets
from running.
REMOTE CONTROL BOX INSTALLATION
DISASSEMBLING
ELECTRICAL WIRING
Wire and make sure that teminal
numbers are matched on unit side and
remote controller side.
The maximum length of the cord is 100m.
If the length of the cord exceeds 50m,
use a wire size greater than 0.5mm
2
.
Remote controller
Yellow, Red, Brown
(Main board)
CN REMO
–17–
5. Wiring Connection
• Open the control box cover and connect the Remote control cord and Indoor power wires.
The power cord connected to the outdoor unit
should be complied with the following specifications
(Rubber insulation, type H05RN-F approved by HAR
or SAA).
should be complied with the following specifications
(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 H05RN-F
approved by HAR or SAA).
outdoor unit should be complied with the following
specifications (Rubber insulation, type H05RN-F
approved by HAR or SAA).
CAUTION
20mm
GN/YL
NOMINAL
CROSS-SECTIONAL
AREA 8.0mm
CROSS-SECTIONAL
AREA 8.0mm
2
Ø7.5mm
Ø20.0mm
20mm
GN/YL
NOMINAL
CROSS-SECTIONAL
AREA 0.75mm
CROSS-SECTIONAL
AREA 0.75mm
2
Remote control
cord
cord
Control
box cover
box cover
Control box cover
fitting screw (4 units)
[Air inlet side view]
Wire taking inlet
Indoor Power wires
Terminal Block of Indoor Unit
A-Unit
3(N) 4(L)
5
6
7
Terminal Block of Indoor Unit
B-Unit
3(N) 4(L)
5
6
7
1
2 3(N) 4(L)
3(N)
4(L)
5
6
Terminal Block of Outdoor Unit
Terminal Block of
Outdoor Unit
Power Cord
Make sure that the screws of the terminal are free from looseness.
WARNING
If the supply cord is damaged, it must be replaced by a special cord or assembly
availible from the manufacturer or its service agent.
availible from the manufacturer or its service agent.
–18–
1. All wiring must comply with LOCAL REGULATIONS.
2. Select a power source that is capable of supplying the current required by the air conditioner.
3. Feed the power source to the unit via a distribution switch board designed for this purpose.
4. The terminal screws inside the control box may be loose due to vibration during transport.
2. Select a power source that is capable of supplying the current required by the air conditioner.
3. Feed the power source to the unit via a distribution switch board designed for this purpose.
4. The terminal screws inside the control box may be loose due to vibration during transport.
Check the screws for loose connection.
(Running the air conditioner with loose connection can overload and damage electrical components.)
(Running the air conditioner with loose connection can overload and damage electrical components.)
5. Always ground the air conditioner with a grounding wire and connector to meet the LOCAL REGULATION.
Main power source
Switch box
Circuit Breaker
Use a 40A circuit breaker or time delay fuse.
Refrigerant pipe
ELECTRICAL WIRING
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