LG | LWA5EW1DF1.AE45YM2 | LG LWA5ER1D Owner’s Manual

Please read this manual carefully before operating the unit.
Room Air Conditioner Owner’s Manual
TABLE OF CONTENTS
FOR YOUR RECORDS
Safety precautions
Safety Precautions ..................................................3
Write the model and serial numbers here:
Model #
Operating instructions
Caution while operating Air Conditioner ..................4
About the Controls on the Air Conditioner ...............8
Care and Maintenance ..........................................13
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.
Installation Instructions
Installation Instructions............................................14
READ THIS MANUAL
Troubleshooting tips
Before You Call for Service.....................................16
10 Easy steps to find AC Tonnage ........................17
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.
• Please install your air-conditioner by company
authorised service franchisee / authorised service
and sales dealer.
• 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.
-2-
AC TONNAGE
STABILIZER KVA
(3-STEP STABILIZER)
1.0
1.5
2.0
3
4
5
Safety Precautions
To prevent injury to the user or other people and proper ty damage, the following instructions
must be followed.
n Incorrect operation due to ignoring instruction will cause har m or damage. The seriousness
is classified by the following indications.
WARNING
This symbol indicates the possibility of death or serious injury.
CAUTION
This symbol indicates the possibility of injur y or damage to proper ties only.
n Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
n Installation
Don’t use a power cord, a
plug or a loose socket which
is damaged.
• Otherwise, it may cause a fire
or electrical shock.
Always plug into a grounded
outlet.
• Otherwise, it may cause a fire
or electrical shock.
Do not modify or extend the
power cord length.
• It will cause electr ic shock or fire
due to heat generation.
Do not disassemble or
modify products.
Be caution when unpacking
and installing.
Do not use the power cord near
flammable gas or combustibles
such as gasoline, benzene,
thinner, etc.
• It may cause failure and
• Sharp edges may cause
injury.
• It may cause explosion or fire.
electric shock.
-3-
CAUTION WHILE OPERATING AC
n Operation
Do not place heavy object
on the power cord and take
care so that the cord should
not be pressed.
Do not share the outlet with
other appliances.
• There is danger of fire or electr ic
shock.
• It will cause electr ic shock or fire
due to heat generation.
Do not place the power cord
near a heater.
• It may cause fire and electr ic
shock.
Do not allow water to run
into electric parts.
• It will cause failure of machine or
electric shock.
Unplug the unit if strange
sounds, odors, or smoke
come from it.
Do not open the suction
inlet grill of the product
during operation.
• Otherwise it may cause fire and
electric shock accident.
• Otherwise, it may electrical
shock and failure.
Ventilate the room well when
using this appliance
together with a stove, etc.
Turn off the power and
breaker firstly when
cleansing the unit.
• An oxygen shortage may occur. • Since the fan rotates at high
speed during operation, it may
cause injury.
-4-
Take the power plug out if
necessary, holding the head
of the plug and do not touc h
it with wet hands.
• Otherwise, it may cause a fire
or electrical shock.
Use a soft cloth to clean. Do
not use wax, thinner, or a
strong detergent.
• The appearance of the air
conditioner may deteriorate,
change color, or develop surface
flaws.
If water enters the product, turn
off the the power switch of the
main body of appliance. Contact
service center after taking the
power-plug out from the socket.
Turn off the main power
switch when not using it f or
a long time.
• Prevent accidental startup and
the possibility of injury.
Do not operate or stop the
unit by inserting or pulling
out the power plug.
• It will cause electr ic shock or fire
due to heat generation.
Hold the plug by the head
when taking it out.
• It may cause electric shock and
damage.
Do not damage or use an
unspecified power cord.
• It will cause electr ic shock or fire.
When gas leaks, open the
window for ventilation
before operating the unit.
• Otherwise, it may cause
explosion, and a fire.
Do not operate with wet
hands or in damp
environment.
• It will cause electr ic shock.
Never touch the metal parts
of the unit when removing
the filter.
• They are sharp and may cause
injury.
CAUTION
n Installation
Install the product so that the noise or hot
wind from the outdoor unit may not cause
any damage to the neighbors.
• Otherwise, it may cause dispute with the
neighbors.
Keep level parallel in installing the pr oduct.
• Otherwise, it may cause vibration or water
leakage.
-5-
n Operation
Do not put a pet or house
plant where it will be
exposed to direct air flow.
• It may cause injury.
Do not step on the
indoor/outdoor unit and do
not put anything on it.
• It may cause an injur y through
dropping of the unit or f alling
down.
Be cautious not to touch the
sharp edges when
installing.
• It may cause injury.
Do not block the inlet or
outlet of air flow.
Use a soft cloth to clean. Do
not use wax, thinner, or a
strong detergent.
• It may cause product failure.
• The appearance of the air
conditioner may deteriorate,
change color, or develop surface
flaws.
Always insert the filter
securely.
Clean it every two weeks.
• Operation without filters will
cause failure.
Avoid excessive cooling and
perform ventilation
sometimes.
• Otherwise, it may do harm to
your health.
-6-
Do not drink water drained
from air conditioner.
• It contains containments and will
make you sick.
Do not insert the hands or
bars through the air inlet or
outlet during operation.
• Otherwise, it may cause
personal injury.
Before Operation
Preparing for Operation
1.
2.
3.
4.
5.
6.
Contact an installation specialist for installation.
Plug in the power plug properly.
Use a dedicated circuit.
Do not use an extension cord.
Do not start/stop operation by plugging/unplugging the power cord.
If the cord/plug is damaged, replace it with only an author ized replacement
part.
Usage
1. Being exposed to direct airflow for an extended period of time could be
hazardous to your health. Do not expose occupants, pets, or plants to direct
airflow for extended periods of time.
2. Due to the possibility of o xygen deficiency, ventilate the room when used
together with stoves or other heating devices.
3. Do not use this air conditioner f or non-specified special pur poses (e.g.
preserving precision devices, food, pets, plants, and art objects). Such usage
could damage the items.
Cleaning and Maintenance
1. Do not touch the metal par ts of the unit when remo ving the filter. Injuries can
occur when handling shar p metal edges.
2. Do not use water to clean inside the air conditioner . Exposure to water can
destroy the insulation, leading to possib le electric shock.
3. When cleaning the unit, first mak e sure that the power and breaker are turned
off. The fan rotates at a very high speed during operation. There is a
possibility of injury if the unitÕ
s power is accidentally triggered on while
cleaning inner parts of the unit.
Service
For repair and maintenance, contact your authorized service dealer.
-7-
About the Controls on the air conditioner
TEMPERATURE
Off
On Med
Fan
Cool
Coolest
Wait for 3 minutes before restart
6
4
High
Cool
Low
Cool
Auto Swing
5
Off
3
Med
Cool
Off
Off
8
1
Cool
Low
Fan
9
Coolest
Wait for 3 minutes before restart
Cooling Model (Fig.1)
High
Cool
Med
On
Fan
7
2
Low
Fan
Operation
Thermostat
OPERATION
AUTO SWING
Med
Cool
Low
Cool
Cooling Model (Fig.2)
OFF: Stop all operation.
FAN: Circulates filte red air.
LOW COOL: Switches on the compressor and air
cooling operation at low fan speed.
MEDIUM COOL: Switches on the Compressor and
air cooling operation at medium fan speed.
HIGH COOL: Switches on the compressor
and air cooling operation at high fan speed.
LOW FAN: Circulates filte red at low
speed.
MED FAN: Circulates filte red air at
medium speed.
NOTE: If you move the switch from a cool setting to off or to a fan setting, wait at least 3
minutes before switching back to a cool setting.
the highest number available on your
Thermostat/temperarure
knob(position 6~9 in fig.2)
For Quieter & Nighttime Cooling
Select Low Cool with the
OPERATION knob at the midpoint of
Thermostat / Temperature
knob(position 1~4 in fig.2)
COOLING DESCRIPTIONS
For Normal Cool ing- Select High Cool
or Med Cool with the OPERATION knob
at the midpoint of THERMOST AT/
TEMPER ATURE knob(as ment ioned in
fig.1 & fig.2)
For Maxi mum Cool ing- Select High
Cool with the OPERATION knob at
THERMOSTAT (TEMPERATURE)
The THERMOSTAT/TEMPERATURE is used to maintain the room temperature. The
compressor will cycle on and off to keep the room at the same level of comfort.
When you turn the knob to a higher number (the right side) and the indoor air will
become cooler. The temperature is selected by turning the
Thermostat/temperature knob to the desired position.
The 5 or 6 position (the middle position of arc) is a normal setting for average
conditions.
-8-
Your Panel may look like any
of below mentioned panels.
3
Mode
Timer
Fan
Cool
22
On
Dry
DOWN
V
AUTO
SWING
Fan Speed
FAN SPEED
Cool
Type 2
7
6
2( b)
4
TIMER COOLING/FAN
3
2
ENERGY SAVER AUTO SWING
2( b)
V
V
TIMER COOLING/FAN
3
22
Timer
UP
FAN SPEED
4
6
5
Fan
DOWN
UP
5
Temp
4
1
1
5
1
ON/OFF
REMOTE CONTROLLER
POWER
POWER
7
Energy Saver
FAN
SPEED
V
Type 1
2
REMOTE CONTROLLER
2
ENERGY SAVER AUTO SWING
6
1
Temp
Power
5
7
FAN
Temp
TEMP
5
Power
Mode
1
5
ON
Timer
FAN
SPEED
AUTO
SWING
ON/OFF
4
6
1
V
(e) E N E R G Y S AV E R
2
3
Type 4
Temp
TEMP
2
Sleep
Mode
Timer
Auto
Swing
3
5
FAN SPEED
6
4
4
4
9
88
V
5
Fan Speed
Fan Speed
7
COOL
1
5
1
TEMP
Power
8
V
ENERGY SAVER
FAN
Air
Purifier
V
DRY
Type 3
POWER
88
COOL
9
2
Sleep
Mode
Timer
Auto
Swing
3
6
MODE
2
AUTO SWING
6
ON/OFF
1
Controls
Precaution: 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.
1 POWER BUTTON
Operation starts, when this button is pressed and stops when you press the button again.
2 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’.
-9-
3 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.
4 FAN SPEED SELECTOR
Select the fan speed in Three steps Low (F1) / Med. (F2) / High (F3)
5 ROOM TEMPERATURE SETTING BUTTON
Control the room temperature within a range of 16°C to 30°C.
6 AUTO SWING
The vertical louver swings horizontally by the automatic system and stops when you press the
button again.
7 SIGNAL RECEIVER
8 AIR PURIFIER (For Plasma Model)
Used to start or stop plasma purification system. Clean filter indication will be 'ON' on panel,
when filter cleaning is required.
9 SLEEP BUTTON
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 modes may vary in select models.
Fan speed in two steps Low (F1) / High (F2) in select models.
AUTO RESTART
In failure of electric power the unit runs as previous setting operat ion when power returns.
NOTE: ‘SLEEP’ and ‘TIMER’ function cannot operate at same time.
How to Insert the Batteries
1 Remove the cover from the back of the remote
controller.
Slide the cover according to the arrow direction.
2 Insert the two batteries.
Be sure that the (+) and (-) directions are correct.
Be sure that both batteries are new.
3 Re-attach the cover.
Slide it back into the position.
-10-
Do not use rechargeable
batteries, such batteries differ
from standard dry cells in shape,
dimensions, and performance.
Remove the batteries from the
remote controller if the air
conditioner is not going to be
used for an extended length of
time.
REMOTE CONTROLLER
Type 1
Type 2
Turbo
(e)
Saver
HIGH COOL
27°C
Silent
High
Fan
Low
Fan
Comfort
LOW COOL
24°C
HIGH FAN
21°C
LOW FAN
18°C
Cool
Auto
Swing
Super
Cool
Mode
Temp
2
3
1
4
POWER
1
TEMP
3
Auto
Swing
FAN SPEED
4
5
Mode
Temp
ON/OFF
MODE
2
2
3
1
AUTO SWING
4
Controls
Precaution: The Remo te Control unit will not function properly if strong light strikes the sensor
window of the air conditioner or if there are obstacles between the Remo te Control
unit and the air conditioner.
1
POWER BUTTON
Operation starts, when this button is pressed and stops when you press the button again.
2
MODE
Select (a) Turbo (b) Silent (c) High Fan & (d) Low Fan with this button.
(a) Turbo / High Cool : Switches on compressor and air cooling operation at high fan speed.
(b) Silent / Low Cool : Switches on compressor and air cooling operation at low fan speed.
(c) High Fan : Circulates filtered air at high speed.
(d) Low Fan : Circulates filtered air at low speed.
It is recommended to select 'Silent / Low Cool' for Normal Cooling Operation and select
'Turbo / High Cool' for maximum cooling requirement.
3
TEMP
Controls Room temp. from 18°C to 27°C with step of 3°C.
a) Super Cool / 18°C : 18°C Temperature Setting.
b) Cool / 21°C : 21°C Temperature Setting.
c) Comfort / 24°C : 24°C Temperature Setting.
d) (e) Saver / 27°C : 27°C Temperature Setting.
4
AUTO SWING
The vertical louver swings horizontally by the automatic system and stops when
you press the button again.
5
FAN SPEED
Select fan speed in two steps - High/Low.
-11-
Additional controls and important information.
Vent Control
The vent control is located above the
control knobs.
When set at CLOSE, only the air inside
the room will be circulated and
conditioned. When set at OPEN, some
inside air is exhausted outside.
CLOSE
VENT
OPEN
To open the vent, pull the lever toward you.
To close it, push it in.
Air Direction
The direction of air can be controlled
horizontally or vertically by using the
horizontal louver or vertical louver.
Horizontal Air-Direction
The horizontal air direction is adjusted
by setting the AUTO SWING switch to
the ON position.
Vertical Air-Direction
Fingertip pressure on the bank of horizontal
louvers adjusts the air direction up or down
Parts Information
Learning parts name prior to installation will help you understanding the installation procedure.
1
1. CABINET
2. FRONT GRILLE
3. AIR FILTER
4. AIR INTAKE(INLET GRILLE)
5. AIR DISCHARGE
2
3
4
5
6
15
6. VERTICAL AIR DEFLECTOR
(HORIZONTAL LOUVER)
7. EVAPORATOR
8. HORIZONTAL AIR
DEFLECTOR
(VERTICAL LOUVER)
-12-
7
8
9.
10.
11.
12.
13.
14.
15.
CONTROL BOARD
POWER CORD
COMPRESSOR
BASE PAN
BRACE
CONDENSER
PLASMA FILTER ASSY.
9
10
11 12 13 14
Care and Maintenance
Grille and Case
To clean, use water and a mild detergent. Do not
use bleach or abrasives.
Turn the air conditioner off and remove the plug
from the wall outlet before cleaning.
Air Filter
Ensure the power is off before open the front Grill.
The air filter behind the front grille should be checked and cleaned
at least once every 2 weeks or more often if necessary.
The grille is designed to clean the filter downward.
To remove:
1 Open the inlet grille upward by pulling out the bottom of the
inlet grille. (Refer Fig. 1)
(Fig. 2)
(Fig. 1)
2 Using the tab, pull up slightly on the filter to release it and pull
it down (Fig. 1). Slide out five filter from grill (fig. 2).
3 Clean the filter with warm, soapy water below 40°C (104°/F).
4 Rinse and gently shake the water from the filter and let it dry
before replacing it.
CAUTION: DO NOT operate the air conditioner without a filter
because dirt and lint will clog it and reduce
performance.
Drainage
1 In humid weather, excess water may cause the BASE PAN to overflow.
To drain the water, remove the DRAIN CAP
2 To remove the condensed water, you can install the drain pan as below.
1. Take the drain pan which is located in the air discharge.
2. Install the drain pan to the right corner of the cabinet with 4 screws.
3. Connect the drain hose to the outlet located at the bottom of the drain
pan. You can purchase the drain hose or tubing locally to satisfy your
particular needs. (Drain hose is not supplied).
BASE
PAN
BASE
PAN
DRAIN
CAP
DRAIN CAP
CABINET
DRAIN
PAN
SCREW
DRAIN HOSE
Important
Long-off period maintenance
(Optional)
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.
-13-
Installation Instructions
Select the Best Location
A
To prevent vibration and noise, make sure the unit is installed securely and firmly.
B
C
Install the unit where the sunlight does not shine directly on the unit.
D
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.
Top View
Side View
Wall
Ceiling
Over 100 mm
Over 110 mm
Over 1000 mm
Outdoor
Indoor
Over
200 mm
10mm
AC Top
Room AC
Over
200 mm
Wall
Wall
Indoor
Wall
Position A
Over 1200 mm
Floor
Front View
Side View
Unit Width 'A'
Wooden frame 45~50mm
15mm
Window Width "A"
About 45mm
Room AC
Unit
Height
'B'
Window
Height
"B"
Horizontal
Line
-5 ~ +5mm
8~10mm
25mm
About 400~500mm
Wall
CATEGORY A
12000 Btu/h 600
18000 Btu/h 660
22000 Btu/h 660
B
380
428
428
Remove the Air Conditioner From the Case
A
Remove the 2 shipping screws from the
back of the case.
B
Remove the 2 screws on each side of the
case. Keep these for later use.
C
Shipping screws
-14-
Slide the air conditioner from the case by
gripping the base pan handle and pulling
forward while bracing the case.
Installation Instructions
Install the Air Conditioner in the Case
A
E
Slide the air conditioner into the case.
Reinstall the screws removed earlier on
each side of the case.
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.
Deo-filter*
Screw
Power Cord
Screw
CAUTION: The power cord must be connected to
an independent circuit.
The green wire must be grounded.
B
Stuff the foam between the unit and the
wall to prevent air and insects from getting
into the room.
When you detach the
front grille from the
case, push the grille
to your rightside and
pull it toward you.
The Foam
C
F
Fix Holder lock with base pan & cabinet
with screw to prevent machine from
sliding out of cabinet from back grill side
(Anti theft locking)
Lift the Inlet grill and secure the front grill
with a screw Lower the inlet grill into place.
The maximum lift angle should not be more
than 75°
Max opening angle 75 degree**
D
* Deo-filter available in select Models.
Remove Deodorizing filter carefully from the grill, shake
clean it by hand & keep it in sunlight for one hour to
activate it again; once it is choked.
Before installing the front grille, pull out the
vent control lever located above the unit
control knobs, as shown.
** Grill lifting features available in
selected models
G
-15-
To fix the grill with cabinet, screw it
from both sides
Before you call for service...
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.
Hissing Noise- Sound of liquid refrigerant passing througe the system.
Abnormal Operation
Problem
Possible Causes
What To Do
The air conditioner is
unplugged.
Make sure the air conditioner plug is pushed
completely into the outlet.
The fuse is blown/circuit
breaker is tripped.
Check the house fuse/circuit breaker box and
replace the fuse or reset the breaker.
Power failure.
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.
Airflow is restricted.
Make sure there are no curtains, blinds, or furniture
blocking the front of the air conditioner.
THERMOSTAT control set
too warm.
Turn the THERMOSTAT knob clockwise to a cooler
setting.
The air filter is dirty.
Clean the filter at least every 2 weeks.
See the operating instructions section.
The room may have been
hot.
When the air conditioner is first turned on you need
to allow time for the room to cool down.
Cold air is escaping.
Check for open furnace floor registers and cold air
returns.
Set the air conditioner's vent to the closed position.
Cooling coils have iced up.
See Air Conditioner Freezing Up below.
Air conditioner
freezing up
Ice blocks the air flow and
stops the air conditioner
from cooling the room.
Set the OPERATION control at fan or HIGH cool with the
THERMOSTAT at the warmer position or the temperature
at more than 23°C.
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.
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.
Air conditioner
does not start
Air conditioner
does not cool as it
should
Unit does not
Cool upon
restart
-16-
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.
Step
1
Parameter
Room Volume (Cubic feet)
upto 1000
1001 ~ 2000
2001 ~ 3000
3001 ~ 4000
Score
Step
2
3
4
5
6
Window Area exposed to sun
(in sq. ft.) - (West facing)
2
upto 10
11 ~ 20
21 ~ 30
1
2
3
7
0
1
2
3
8
Window Area exposed to sun
(in sq. ft.) - (other directions)
3
4
5
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
Score
6~10
11~17
18~25
1
2
3
4
9
0
1
2
3
10
Parameter
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 / Computer75w, CTV - 75 etc.)
100W
250W
500W
Score
0
1
2
3
1
2
3
4
1
2
3
0
1
2
2
3
4
AC recommended
1.0Tr
1.5Tr
2.0Tr
Score Table
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
Step2 = 2
Step3 = 0
Step4 = 0
Step5 = 1
Step6 = 2
Step7 = 2
Step8 = 0
Step9 = 1
Step10= 3
Total score = 14
-17-
1.5T Window AC
(From Score table)
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Ahmedabad
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LGEIL, 233-234, Platinum Plaza, Nr. Judges Bunglow Cross Road, Bodakdev,
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613 to 616 , 6th Floor, Offizo, Magneto - The Mall, GE Road,
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LGEIL, Door No. 32-2/1-7, Ratnamamba Street, Prajasakti Nagar,
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LGEIL, House No. 1-8-598/1, First Floor, Beside HDFC Bank, Nakkalgutta,
Hanamakonda-506001 (Warangal)
Kozhikode
3/568, Thripuri Building, Wayanadu Road, First Floor,Near K.S.F.E,
East Nadakkavu, Calicut-673011
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LG Electronics
LG Electronics India Pvt. Ltd.
Registered Office: Plot No. 51, Surajpur Kasna Road, Greater Noida - 201 306 (U.P.) INDIA Tel: 0120-2560900 Fax: 0120-2560957
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.
P/No.: MFL37725109
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