Please read this manual carefully before operating the unit.
Room Air Conditioner Owner’s Manual
TABLE OF CONTENTS
Caution while operating Air Conditioner ..................4
About the Controls on the Air Conditioner ...............8
Care and Maintenance ..........................................13
Installation Instructions............................................14
Before You Call for Service.....................................16
10 Easy steps to find AC Tonnage ........................17
Safety Precautions ..................................................3
Operating instructions
Installation Instructions
Troubleshooting tips
Safety precautions
FOR YOUR RECORDS
Write the model and serial numbers here:
Model #
Serial #
You can find them on a label on the side of each unit.
Dealer's Name
Date Purchased
n Staple your receipt to this page in the event you need
it to prove date of purchase or for warranty issues.
READ THIS MANUAL
Inside you will find many helpful hints on how to use
and maintain your air conditioner properly. Just a little
preventive care on your part can save you a great deal
of time and money over the life of your air conditioner.
You'll find many answers to common problems in the
chart of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call
for service at all.
PRECAUTION
• Contact the authorized service technician for repair or
maintenance of this unit.
• Contact the installer for installation of this unit
• The air conditioner is not intended for use by young
children or invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall be performed by authorized personnel only,
using only genuine replacement parts.
We recommend usage of voltage stabilizer with
high / low voltage cut off in areas having voltage
fluctuations.
AC TONNAGE STABILIZER KVA
(3-STEP STABILIZER)
1.0
1.5
2.0
3
4
5
• Installation work must be performed in accordance
with the National Electric Code by qualified and
authorized personnel only.
V
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M de
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1
4
2
3
7
5
°C
Controls
The Remote Control unit will not function properly if strong light strikes the sensor
window of the air conditioner or if there are obstacles between the Remote Control
unit and the air conditioner.
Precaution:
POWER BUTTON
Operation starts, when this button is pressed and stops when you press the button again.
OPERATION MODE SELECTION BUTTON
Select (a)Cool (b)Energy Saver (c)Fan & (d)Dehumidification (dry) with this button.
Energy saver mode-fan stops when compressor stops cooling. Approximately after 3
minutes fan will turn on to determine it cooling is needed. In dry mode, unit will run at
low fan speed only with compressor ‘ON’.
1
2
FAN SPEED SELECTOR
Select the fan speed in Three steps Low (F1) / Med. (F2) / High (F3)
ROOM TEMPERATURE SETTING BUTTON
Control the room temperature within a range of 16°C to 30°C.
SIGNAL RECEIVER
4
5
6
ON/OFF TIMER
Set the time of on/off operation. The timer can be set by the one hour for a maximum of 12 hours.
In the first 30 minutes set temperature increases by 1°C and in the next 30 minutes temperature
increases by another 1°C, this temperature then remains till the timer function is deactivated.
3
5
6
1
3
2
AUTO RESTART
In failure of electric power the unit runs as previous setting operat ion when power returns .
Fan speed in two steps Low (F1) / High (F2) in select models.
Operation modes may vary in select models.
NOTE: ‘SLEEP’ and ‘TIMER’ function cannot operate at same time.
SLEEP BUTTON
7
Sleep function can be set by one hour for a maximum of 7 hours. In the first 30 minutes set
temperature increases by 1°C and in the next 30 minutes temperature increases by another
1°C, this temperature then remains till the timer function is deactivated. This is how the
sleep function behaves. The fan speed will change to low speed(F1).
Operation Indication Lamps
On/Off : Lights up during the system operation.
Sleep Mode : Lights up during Sleep Mode Auto operation.
Timer : Lights up during Timer operation.
Defrost
Cool Mode
Mode : Lights up during Dry Mode.
:
Compressor running
Additional Controls and Important Information
Parts Information
Operating Instructions
This appliance should be installed in accordance with the Installation Instructions.
Important
Long-off period maintenance
1)If the air conditioner is not going to be used for a long period, run the Air-conditioner with the
setting in FAN Mode only and the fan speed on "HIGH" for about half an hour, to dry the whole
Air-conditioner.
2)After a long off period when you are going to use the air conditioner again, repeat above point
no. 1.
Caution
There will possibly be foul smell when the machine is started after a long time (1 week). This is due
to various odours emitted by smoke, foodstuff, cosmetics and others, which syicks to the Air Filter
and Evaporator coil. Hence, clean the Air Filter and the Evaporator before you start the machine
after long time to avoid foul smell.
Operating Instructions
CAUTION:
DO NOT operate the air conditioner without a filter
because dirt and lint will clog it and reduce
performance.
Grille and Case
Turn the air conditioner off and remove the plug
from the wall outlet before cleaning.
To clean, use water and a mild detergent. Do not
use bleach or abrasives.
Remove the Air Conditioner From the Case
Remove the 2 shipping screws from the
back of the case.
Remove the 2 screws on each side of the
case. Keep these for later use.
Slide the air conditioner from the case by
gripping the base pan handle and pulling
forward while bracing the case.
Select the Best Location
To prevent vibration and noise, make sure the unit is installed securely and firmly.
Install the unit where the sunlight does not shine directly on the unit.
There should be no obstacle, such as a fence or wall, within 50cm from the back of the cabinet because it will prevent
heat radiation of the condenser.
Restriction of outside air will greatly reduce the cooling efficiency of the air conditioner.
Install the unit a little obliquely outward not to leak the condensed water into the room (about 10 ~ 15mm or 1/4
bubble with level).
CAUTION:
All side louvers of the cabinet must remain exposed to the outside of the structure.
A
B
C
D
A
B
C
Side View
Ceiling
Over 100 mm
Over 110 mm
Indoor
10mm
Over 1200 mm
Outdoor
Position A
Wall
Floor
Top View
Wall
Over 1000 mm
Over
200 mm
Over
200 mm
Wall
Wall
Indoor
AC Top
Front View
Side View
15mm
Wooden frame 45~50mm
About 45mm
Room AC
Unit Width 'A'
Unit
Height
'B'
Horizontal
Line
-5 ~ +5mm
25mm
8~10mm
About 400~500mm
Wall
Window Width "A"
Window
Height
"B"
A
B
660
450
18000 Btu/h
CATEGORY
Room AC
Installation Instructions
Installation Instructions
Install the Air Conditioner in the Case
Slide the air conditioner into the case.
Reinstall the screws removed earlier on
each side of the case.
CAUTION:
The power cord must be connected to
an independent circuit.
The green wire must be grounded.
Attach the front grille to the case by
inserting the tabs on the grille into the slots
on the front of the case. Push the grille in
until it snaps into place.
Lift the Inlet grill and secure the front grill
with a screw Lower the inlet grill into place.
A
C
D
Screw
Screw
Installation Instructions
Installation Instructions
Power Cord
Stuff the foam between the unit and the
wall to prevent air and insects from getting
into the room.
B
The Foam
Before installing the front grille, pull out the
vent control lever located above the unit
control knobs, as shown.
E
Installation Instructions
Normal Operation
You may hear the thermostat click when the compressor cycles on and off.
Water will collect in the base pan during high numidity or on rainy days. The water may overflow
and drip from the outdoor side of the unit.
The fan may run even when the compressor does not.
Abnormal Operation
Problem
Possible Causes
What To Do
Air conditioner
does not start
The air conditioner is
unplugged.
The fuse is blown/circuit
breaker is tripped.
Power failure.
Air conditioner
does not cool as it
should
Airflow is restricted.
THERMOSTAT control set
too warm.
The air filter is dirty.
The room may have been
hot.
Cold air is escaping.
Cooling coils have iced up.
Air conditioner
freezing up
Ice blocks the air flow and
stops the air conditioner
from cooling the room.
Make sure the air conditioner plug is pushed
completely into the outlet.
Check the house fuse/circuit breaker box and
replace the fuse or reset the breaker.
If power failure occurs, turn the OPERATION control
to OFF( O ) . When power is restored, wait 3 minutes
to restart the air conditioner to prevent tripping of the
compressor overload.
Make sure there are no curtains, blinds, or furniture
blocking the front of the air conditioner.
Turn the THERMOSTAT knob clockwise to a cooler
setting.
Clean the filter at least every 2 weeks.
See the operating instructions section.
When the air conditioner is first turned on you need
to allow time for the room to cool down.
Check for open furnace floor registers and cold air
returns.
Set the air conditioner's vent to the closed position.
See Air Conditioner Freezing Up below.
Set the OPERATION control at fan or HIGH cool with the
THERMOSTAT at the warmer position or the temperature
at more than 23°C.
Hissing Noise- Sound of liquid refrigerant passing througe the system.
AC Operation
is Noisy
Glass pane vibrating.
Glass are to be penned
May be sound of
condensate water.
It is normal (Generally highing only)
(To avoid the noise, remove draing side knob & insert drain pipe
for proper drainge)
Installation levelling not
not proper.
Get it levelled properly.
Unit does not
Cool upon
restart
Compressor not starting
due to 3 minute delay
internally.
This is normal.
If you restart the air conditioner within 3 minutes after turning it
off a protective device will work to shut it off for 3 minutes.
Before you call for service...
Troubleshooting Tips
10 Easy Steps to find out your AC tonnage
Dear Customer,
Please follow Below mentioned 10 easy steps to find out the AC tonnage required for your room.
Example : For Room size 15 feet(L) x 12 feet(B) x 10 feet(H) with one window 4 feet x 3 feet exposed to
sun (west) & one wall exposed to sun (east).The room is on First floor with ceiling not exposed to sun.
The no. of persons occupying the room is 4 nos. The appliance load is – 2 tube lights, 1 Computer & 1 TV.
Calculate the AC tonnage required.
As per steps given above : room volume : 15*12*10 = 1800 cu. Ft. , window area = 4*3=12 sq.ft.,
Wall area (east) = 15*10=150
Step1 = 3 Step6 = 2
Step2 = 2 Step7 = 2
Step3 = 0 Step8 = 0
Step4 = 0 Step9 = 1
Step5 = 1 Step10= 3
Total score = 14
1.5T Window AC
(From Score table)
Score Table
Score
6~10
11~17
18~25
AC recommended
1.0Tr
1.5Tr
2.0Tr
Parameter
Score
Room Volume (Cubic feet)
upto 1000
1001 ~ 2000
2001 ~ 3000
3001 ~ 4000
Window Area exposed to sun
(in sq. ft.) - (West facing)
upto 10
11 ~ 20
21 ~ 30
Window Area exposed to sun
(in sq. ft.) - (other directions)
upto 10
11 ~ 20
21 ~ 35
36 ~ 50
Wall Area exposed to sun
(in sq. ft.) - (West facing)
100
150
200
300
Wall Area exposed to sun
(in sq. ft.) - (other directions)
100
150
300
500
3
4
5
2
1
2
3
0
1
2
3
0
1
2
3
1
2
3
4
Parameter
ScoreStep
Walls area - not exposed to
sun (in sq. ft.)
100
300
600
1000
No. of persons occupying
room
2
4
6
8
Ceiling area exposed to sun
(in sq. ft.)
200
300
400
Ceiling area if not exposed to
sun (in sq. ft.)
200
300
400
Total Appliance Load (tube
light-40w / Computer-
75w, CTV - 75 etc.)
100W
250W
500W
0
1
2
3
1
2
3
4
1
2
3
0
1
2
2
3
4
6
7
8
9
10
Step
1
2
3
4
5
Troubleshooting Tips
Email : [email protected]
LG Electronics
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The picture shown on Front page is representative model. LG Electronics reserves its right to change,
modify or alter design without any prior notice.
Global No.1 source : Japan Air Conditioning, Heating and Refrigeration News (JARN), December 2005.
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