DOWNLOAD LG LB-H1860HL / LB-H1860CL / LB-H2460HL / LB-H2460CL Service Manual ↓ Size: 1.61 MB | Pages: 51 in PDF or view online for FREE

Model
LB-H1860HL LB-H1860CL LB-H2460HL LB-H2460CL
Pages
51
Size
1.61 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lb-h1860hl-lb-h1860cl-lb-h2460hl-lb-h2460cl.zip
Date

LG LB-H1860HL / LB-H1860CL / LB-H2460HL / LB-H2460CL Service Manual ▷ View online

–18–
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 suspen-
sion bolts for locking the suspension bolts on the ceil-
ing.
• Mount the suspension bolts to the set anchor firmly.
• Secure the installation plates onto the suspension
bolts (adjust level roughly) using nuts, washers and
spring washers.
4. Remote Controller Installation
• Although the room temperature sensor is in the indoor unit, the remote controller should be installed
in such places away from direct sunlight and high humidity.
Installation of the remote controller
• Select places that are not splashed with water.
• Select control position after receiving customer approval.
• The room temperature sensor 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 controller cord
• Keep the remote controller cord away from the refrigerant piping and the drain piping.
• To protect the remote controller cord from electrical noise, place the cord at least 5cm away from other power
cables (audio equipment, television set, etc.)
• If the remote controller cord is secured to the wall, provide a trap at the top of the cord to prevent water
droplets from running.
Tighten the nut and bolt to prevent unit falling.
CAUTION
1 Set anchor
Old building
New building
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
   bolts
• Local supply
➀ 
Set anchor
Plate washer 
- M10
Spring washer
- M10
Nut 
- W3/8 or M10
Suspension bolt
- W3/8 or M10
–19–
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)
Remove the battery cover from the remote con-
troller.
• Slide the cover according to the arrow direction.
Insert the two batteries.
• Be sure that the (+) and (-) directions are correct.
• Be sure that both batteries are new.
Re-attach the cover.
• Slide it back into position.
• 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.
WIRED REMOTE CONTROL INSTALLATION
REMOTE CONTROL PREPARATION(OPTIONAL)
DISASSEMBLING
ELECTRICAL WIRING
HOW TO MOUNT ONTO A WALL
HOW TO INSERT BATTERIES
 
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
(Main board)
CN REMO
• Do not use rechargeable batteries,
such batteries differ from standard dry
cells in shape, dimensions, and per-
formance.
• Romove the batteries from the remote
controller if the air conditioner is not
going to be used for some long time.
HOW TO INSERT BATTERIES
5. Connecting Cables between Indoor Unit and Outdoor Unit
–20–
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
36K 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.
Make sure that the screws of the terminal are free from looseness.
WARNING
POWER INPUT
• Cooling & Heating type
• Cooling only type
(380-415V3N~)
(220-240V~)
Terminals on the indoor unit
1
2
4
5
3
Terminals on the outdoor unit
1
2
4
5
3
POWER
INPUT
POWER
INPUT
• Cooling only type
Terminals on the indoor unit
1(L) 2(N)
4(N) 5
3(L)
Terminals on the outdoor unit
4(N)
5
6
3(L)
1(L) 2(N)
4(N)
5
6
7
8
3(L)
4(N)
5
6
7
3(L)
Terminals on the indoor unit
1
2
4
5
3
• Cooling & Heating type
Terminals on the indoor unit
Terminals on the outdoor unit
Terminals on the outdoor unit
1
2
4
5
3
1(L)
2(N)
POWER INPUT
R
S
T
N
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 0.75mm
(18K/24K)
1.25mm
2
 (36K)
20mm
GN/YL
Capacity
18K BTU/h
24K BTU/h
36K BTU/h
1 Phase
2.5mm
2
2.5mm
2
5.5mm
2
3 Phase
-
-
2.5mm
2
NORMAL CROSS-SECTIONAL AREA
18K/24K Btu
–21–
Outdoor
Indoor
Control terminal board
Cord
clamper
Cover control
Main 
power source
Switch box
Circuit Breaker
Main terminal board
view
1
1
A
Control terminal board
Control box
Control box cover
(On which the Electric
Wiring Connection is put)
Cord clamper
Connection
cord between 
the indoor unit
and the 
outdoor unit
Remote
control cord
ELECTRICAL WIRING
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 between the
power source and the unit. A disconnection
device to adequately disconnect all supply lines
must be fitted.
• Capacity of circuit breaker
INDOOR UNIT
• Remove the control box cover for elec-
trical connection between the indoor
and outdoor unit.(Remove two screws
.)
• Use the cord clamper to fix the cord.
WIRING CONNECTION
OUTDOOR UNIT
• Remove the control cover for wiring con-
nection.
• Use the cord clamper to fix the cord.
• Earthing work
Connect the cable of diameter 1.6mm
2
or more to the earthing terminal provid-
ed in the control box and do earthing.
Please check !!
Capacity
1 Phase
3 Phase
18K BTU/h
20A
-
24K BTU/h
25A
-
36K BTU/h
35A
25A
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