DOWNLOAD LG LB-D1860HL Service Manual ↓ Size: 747.61 KB | Pages: 38 in PDF or view online for FREE

Model
LB-D1860HL
Pages
38
Size
747.61 KB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lb-d1860hl.zip
Date

LG LB-D1860HL Service Manual ▷ View online

3. The Indoor Unit Installation
• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceiling.
• Insert the set anchor and washer onto the sus-
pension bolts for locking the suspension bolts on
the ceiling.
• Mount the suspension bolts to the set anchor
firmly.
• Secure the installation plates onto the suspen-
sion bolts (adjust level roughly) using nuts, wash-
ers and spring washers.
–15–
Tighten the nut and bolt to prevent unit falling
CAUTION
• Local supply
¤
Set anchor
¤Ł
Plate washer 
- M10
¤Ø
Spring washer
- M10
¤Œ
Nut 
- W3/8 or M10
¤º
Suspension bolt
- W3/8 or M10
1 Set anchor
Old building
New building
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
   bolts
–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)
Lever carefully 
the box open 
using a screw 
driver, etc.
Front case
The lo
wer par
t
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
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
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
1) Connecting cables to the Indoor Unit 
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
18K Btu
2) Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3) For the cooling model, fix the other side of the clamp with a screw strongly.
For the heat pump model, put the 0.75mm
2
cable(thinner cable) on the clamp and tighten it with a plastic
clamp to the other boss of the control panel.
4) In Australia, the length of power supply cord measured from the entry of the power supply cord to the middle
of live pin on the power plug should be over 1.8m.
POWER
INPUT
1(L) 2(N)
4(N)
5
6
7
8
3(L)
4(N)
5
6
7
3(L)
Terminals on the indoor unit
Terminals on the outdoor unit
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).
If the supply cord is damaged, it must be replaced by a special cord or assembly availible from the manufacturer 
of its service agent.
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).
CAUTION
20mm
GN/YL
NORMAL
CROSS-SECTIONAL
AREA 2.5mm
2
 (18K)
NORMAL
CROSS-SECTIONAL
AREA 0.75mm
2
 (18K)
20mm
GN/YL
–17–
5. Connecting Cables between Indoor Unit and Outdoor Unit
Make sure that the screws of the terminal are free from looseness.
WARNING
–18–
Outdoor
Indoor
Control terminal board
Control box
Control box cover
(On which the Electric
Wiring Connection is put)
A
view
Remote
control cord
Connection
cord between 
the indoor unit
and the 
outdoor unit
Cord clamper
1
1
Main 
power source
Switch box
Circuit Breaker
Use a 25A(18K),   
circuit breaker or time 
delay fuse.
Cover control
Terminal board
ELECTRICAL WIRING
INDOOR UNIT
• Remove the control box cover for electrical con-
nection between the indoor and outdoor
unit.(Remove two screws 
.)
• Use the cord clamper to fix the cord.
Perform the electrical wiring work according to the electrical wiring
connection.
• All wiring must comply with local requirements.
• Select a power source that is capable of supply-
ing the current required by the air conditioner.
• Use a recognized circuit breaker 25A(18K),
between the power source and the unit. A discon-
nection device to adequately disconnect all supply
lines must be fitted.
WIRING CONNECTION
OUTDOOR UNIT
• Remove the control cover for wiring connection.
• Use the cord clamper to fix the cord.
• Earthing work
Connect the cable of diameter 1.6mm
2
or more to
the earthing terminal provided in the control box
and do earthing.
¡
¡
ÿ
Please check !!
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