OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating your set and retain it for future reference.
TYPE : Through the Wall
MODELS LT1036CER LT1236CER
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www.lg.com |
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P/NO : MFL69485304 |
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Copyright © 2016 - 2017 LG Electronics Inc. All Rights Reserved. |
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Rev.02_113017 |
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Copyright © 2016 - 2017 LG Electronics Inc. Todos los derechos reservados. |
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Window-Type Air Conditioner Owner’s Manual
TABLE OF CONTENTS
Safety Precautions.......................... |
3 |
Before Operation............................. |
7 |
Introduction .................................... |
8 |
Electrical Safety .............................. |
9 |
Installation .................................... |
11 |
Operating Instructions ................. |
18 |
Maintenance and Service ............ |
21 |
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
■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.
•Installation work must be performed in accordance with the National Electric Code by qualified and authorized personnel only.
2 Room Air Conditioner
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.
WARNING |
This symbol indicates the possibility of death or serious injury. |
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CAUTION |
This symbol indicates the possibility of injury or damage to properties only. |
Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
Installation
Don’t use a power cord, a |
Always plug into a grounded |
Do not modify or extend the |
plug, or a loose socket |
outlet. |
power cord length. |
which is damaged. |
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• Otherwise, it may cause a fire |
• Otherwise, it may cause a fire |
• It will cause electric shock or fire |
or electrical shock. |
or electrical shock. |
due to heat generation. |
Do not disassemble or modify products.
•It may cause failure and electric shock.
Be caution when unpacking and installing.
•Sharp edges may cause injury.
Do not store flammables like gasoline, benzene, thinner, etc. near the air conditioner.
• It may cause explosion or fire.
Gasolin
ENGLISH
Owner’s Manual 3
Safety Precautions
Operation
Do not place heavy object on the power cord and take care so that the cord should not be pressed.
•There is danger of fire or electric shock.
Do not place the power cord near a heater.
•It may cause fire and electric
shock.
Do not share the outlet with other appliances.
•It will cause electric shock or fire due to heat generation.
Do not allow water to run into electric parts.
Take the power plug out if necessary, holding the head of the plug and do not touch 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.
• It will cause failure of machine or |
• The appearance of the air |
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electric shock. |
conditioner may deteriorate, |
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change color, or develop surface |
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flaws. |
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Wax |
Thinner |
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Unplug the unit if strange |
Do not open the suction |
sounds, odors, or smoke |
inlet grill of the product |
come from it. |
during operation. |
• Otherwise it may cause fire and |
• Otherwise, it may electrical |
electric shock accident. |
shock and failure. |
No correlation between fan |
Turn off the power and |
usage and oxygen depletion. |
breaker first when cleansing |
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the unit. |
• An oxygen shortage may occur. • Since the fan rotates at high |
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speed during operation, it may |
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cause injury. |
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.
Unplug the unit when not using it for a long time.
•Prevent accidental startup and the possibility of injury.
4 Room Air Conditioner
Safety Precautions
Do not operate or stop the |
Do not damage or use an |
Do not operate with wet |
unit by inserting or pulling |
unspecified power cord. |
hands or in damp |
out the power plug. |
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environment. |
•It will cause electric shock or fire • It will cause electric shock or fire. • It will cause electric shock. due to heat generation.
ENGLISH
Hold the plug by the head when taking it out.
•It may cause electric shock and damage.
When gas leaks, open the window for ventilation before operating the unit.
•Otherwise, it may cause explosion, and a fire.
Never touch the metal parts of the unit when removing the filter.
•They are sharp and may cause injury.
For inner cleaning, contact an Authorized Service Center or a dealer. Do not use harsh detergent that causes corrosion or damage on the unit. Harsh detergent may also cause failure of product, fire, or electric shock.
CAUTION
Installation
Install the product so the exhaust and noise |
Follow installation instructions exactly. |
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are not aimed directly at the neighbors. |
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• Be considerate. |
• Otherwise, it may cause vibration or water |
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leakage. |
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Owner’s Manual 5
Do not use this appliance for special purposes such as cooling pets, foods, precision machinery, or objects of art.
Instead of running air conditioning constantly,open a window
for fresh air occasionally.
You will feel better.
If the liquid
from the battery gets onto your skin or clothers wash it
well with clean water. Do
not use the remote if
the battery has leaked.
y 
If you eat the liquid from the battery,brush your teeth and see doctor.Do not use the remote if
the battery have leaked.
y 
2.No correlation between fan usage and oxygen depletion.
3.
7
Introduction
Introduction
Symbols
Used
in
this
Manual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to the air conditioner.
NOTICE This symbol indicates special notes.
Features
This appliance should be installed in accordance with the National Electric Code.
THE SLEEVE AND THE REAR GRILLE
(optionally supplied with your unit)
SLEEVE ASSEMBLY (Including Aluminum Rear grille)
REAR GRILLE (Aluminum Rear grille)
THE UNIT
VERTICAL AIR DEFLECTOR
(Horizontal Louver)
AIR DISCHARGE
AIR FILTER
CABINET
INLET GRILLE
(Air Intake)
FRONT GRILLE
HORIZONTAL AIR DEFLECTOR
(Vertical Louver)
VENT CONTROL
8 Room Air Conditioner
RESET |
TEST
USE OF EXTENSION CORDS
RISK OF FIRE could cause serious injury or death DO NOT use an extension cord with this window air conditioner
DO NOT use surge protectors or multi-outlet adapters with this window air conditioner
should be 
Avoid shock hazard. This unit cannot be user-serviced. Do NOT open the tamper-resistant sealed portion.
All warranties and performance will be voided. This unit is not intended to be used as an ON/OFF switch.
9
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
Installation
Installation
Remove packing materials from the wall sleeve and tape from the air conditioner.
INSTALLATION REQUIREMENTS
If you use an existing wall sleeve, you should measure its dimensions.
Install the new air conditioner according to these installation instructions to achieve the best performance. All wall sleeves used to mount the new air conditioner must be in good structural condition and have a rear grille to securely attach the new air conditioner. (Figure 1)
With the LGE sleeve(optionally supplied with your unit), you can maintain the best performance of the new air conditioner. (Figure 2)
20-3/32"
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mm) |
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14-13/32" |
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(366 mm) |
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"(468 mm) |
Air Conditioner |
Figure 1 |
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25-7/8" |
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(656 mm) |
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15-17/32" |
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(394 mm) |
Aluminum metal grille |
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16-23/32" |
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(425 mm) |
LGE Wall Sleeve |
Figure 2 |
ELECTRICAL SERVICE
Check your available electrical service. The power supply available must be the same as that shown on the unit nameplate (found on left side of cabinet).
All models are equipped with a 3-prong service plug to provide proper service and safe positive grounding. Do not change plug in any way. Do not use an adapter plug. If your present wall outlet does not match your plug, call a qualified electrician to make the necessary corrections. SAVE CARTON for storage and this OWNER'S MANUAL for future reference. The carton is the best way to store unit during winter or when not in use.
INSTALLATION HARDWARE
1 |
2 |
4 |
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5 |
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2 Size options |
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8 |
6 |
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9 |
3 |
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7 |
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2 Size options |
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ITEM |
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NAME OF PARTS |
Q'TY |
1 |
PLASTIC GRILLE |
1 |
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2 |
VERTICAL INSULATION STRIP |
1 |
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3 |
AROUND INSULATION STRIPS |
2 |
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4 |
HORIZONTAL INSULATION STRIP |
1 |
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5 |
SUPPORT BLOCK |
2 |
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6 |
BAFFLE |
1 |
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7 |
TRIM FRAME |
2 |
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8 |
SHIM |
2 |
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9 |
PLASTIC NUTS AND WASHER SCREWS |
4 |
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10 |
INSULATION STRIP |
1 |
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To avoid risk of personal injury, property damage, or product damage due to the weight of this device and sharp edges that may be exposed:
•Air conditioners covered in this manual pose an excessive weight hazard. Two or more people are needed to move and install the unit.
To prevent injury or strain, use proper lifting and carrying techniques when moving unit.
•Carefully inspect location where air conditioner will be installed. Be sure it will support the weight of the unit over an extended period of time.
•Handle air conditioner with care. Wear protective gloves whenever lifting or carrying the unit. AVOID the sharp metal fins of front and rear coils.
•Make sure air conditioner does not fall during installation.
REQUIRED TOOLS:
• Tight Fitting gloves |
• 3/8-inch open end |
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• Standard screwdriver |
wrench or adjustable |
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wrench |
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• Phillips screwdriver |
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• 1/4-inch hex socket |
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• Pliers |
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and ratchet |
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• Sharp knife |
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• Tape measure |
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• Electric drill |
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• 1/4-inch drill bit |
ENGLISH
Owner’s Manual 11
Installation
INSTALLATION
We strongly recommend the removal of the old wall sleeve and the installation of a new LGE Wall Sleeve.
If you decide to keep the existing wall sleeve, you have to redirect the louvers at the back of the wall sleeve illustration. The use of pliers is recommended. If you DO NOT redirect, you run the risk of poor performance or product failure. This is not covered under the terms of the LGE warranty.
•Pick a location which will allow the conditioned air to blow into the area you want. Good installation with special attention to the proper position of the unit will lessen the chance that service will be needed.
ITEMS IN INSTALLATION HARDWARE
You may not need all parts in the kit. Discard unused parts.
ITEM (inches) |
Qty. |
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Plastic grille |
263/4 x 161/2 |
1 |
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Vertical insulation strip |
159/16 x 13/8 x 13/8 |
1 |
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Around Insulation Strips |
671/8 x 13/8 x 25/32 |
1 |
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5927/32 x 13/8 x 13/8 |
1 |
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Horizontal Insulation Strip |
263/4 x 13/8 x 13/16 |
1 |
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Support Block |
13/4 x 13/8 x 45/16 |
2 |
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Baffle |
14 x 41/2 x 1/8 |
1 |
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Shim |
1113/16 x 1 x 3/4 |
2 |
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Trim Frame |
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2 |
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Washer Screw |
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4 |
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Nuts (Plastic) |
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4 |
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Grille Rear |
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1 |
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Insulation strip |
55/16 x 13/16 x 3/4 |
1 |
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HOW TO INSTALL
1 |
Identify the existing wall sleeve before installing |
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the unit from the listed below. |
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Brand |
Wall Sleeve Dimensions (inches) |
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Width |
Height |
Depth |
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White-Westinghouse |
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16, 17-1/2 |
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Frigidaire |
25-1/2 |
15-1/4 |
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Carrier (52F series) |
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or 22 |
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General Electric |
26 |
15-5/8 |
16-7/8 |
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/Hotpoint |
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Whirlpool |
25-7/8 |
16-1/2 |
17-1/8 |
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or 23 |
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Fedders/Emerson |
27 |
16-3/4 |
16-3/4 |
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or 19-3/4 |
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LGE |
25-7/8 |
15-17/32 |
16-23/32 |
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Emerson/Fedders |
26-3/4 |
15-3/4 |
15 |
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Carrier (51S Series) |
25-3/4 |
16-7/8 |
18-5/8 |
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Friedrich |
27 |
16-3/4 |
16-3/4 |
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NOTICE
All wall sleeves used to mount the new Air Conditioner must be in sound structural condition and have a rear grille that securely attaches to sleeve, or rear flange that serves as a stop for the Air Conditioner.
2 Remove the old airconditioner from existing wall sleeve.
3 Clean the interior of the existing sleeve. (Do not disturb seals.)
4 Wall sleeve must be securely fastened in wall before installing the air conditioner. Use the nails or screws through sleeve into wall, if
5 needed. Repaint sleeve if needed.
Procedure |
Brand |
Depth(inches) |
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A |
LGE |
16-23/32 |
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White-Westinghouse |
16, 17-1/2 |
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Frigidaire Carrier |
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or 22 |
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(52F series) |
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B |
General Electric |
16-7/8 |
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/Hotpoint |
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Whirlpool |
17-1/8 or 23 |
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Carrier (51S series) |
18-5/8 |
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Fedders/Emerson |
16-3/4 |
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or 19-3/4 |
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C |
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Emerson/Fedders |
15 |
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Friedrich |
16-3/4 |
6 Install new unit into wall sleeve.
When installation is completed, the replacement unit MUST have a rearward slope as shown. To achieve 1/4" slope, remove the backing from the 11-13/16" shim strips and attach them as shown below in Fig. 3. Place the higher portion of the shim to the front of the rib on the base of the wall sleeve.
1" high |
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3/4" High |
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UNIT |
Wall Sleeve |
Shim |
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FRONT |
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6" |
6" |
1/4" |
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SHIM PLACEMENT |
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UNIT INSTALLATION |
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Figure 3 |
Remove the backing from the insulation strip
5 5 /16 x 1 3 /16 x 3 /4 and attach that to the top of the cover as show below.
Cover
Insulation
12 Room Air Conditioner
Installation
PROCEDURE A
1 If you are using the new sleeve (optionally supplied with your unit), skip to step 3. Otherwise, install the plastic grille from the kit. Cut the plastic grille to 25-1/2" wide and 15- 1/4" high. Place the plastic grille to the inside of the wall sleeve at the rear flange.
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Figure 4 |
2 |
Fasten the 4 washer screws to secure the grille |
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to the wall sleeve. If you need plastic nuts to |
mount plastic grille to the inside of the wall sleeve, there are plastic nuts in the installation kit. The nuts are installed from the inside of the sleeve and are pressed into the square holes of the rear flanges.
or |
Figure 5 |
3 Remove the backing from the vertical insulation
strip 159/16 x 13/8 x 13/8 and attach that to the inside right of the sleeve as shown below.
Remove the backing from the around insulation
strip 671/8 x 13/8 x 25/32 and attach that to the inside front of the sleeve as shown below.
Indoor |
Outdoor |
9 1/2" |
6" |
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Figure 6 |
4 |
Install the new unit into the wall sleeve. |
5 |
To assemble trim, snap the tab of each piece |
into the slot of the other piece as shown below. Slide trim over the front of the air conditioner until trim is flush with sleeve as shown below.
Trim
Wall
Figure 7
•Air conditioners covered in this manual pose an excessive weight hazard. Two or more people are needed to move and install the unit.
To prevent injury or strain, use proper lifting and carrying techniques when moving unit.
•When handling the air conditioner, be careful to avoid cuts from sharp metal fins on front and rear coils.
•Make sure air conditioner does not fall during removal.
•If unit does not operate after installation check, to be sure the circuit interrupter has not been tripped. Refer to the Troubleshooting guide for reset procedure.
SHLIENG
Owner’s Manual 13
Installation
PROCEDURE B
1 |
Redirect the louvers at the back of the wall |
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sleeve to 60° angle as shown in Figure 8. |
The use of pliers is recommended.
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7 3/32" |
60° |
60° |
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Rear Louvers |
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(Top View) |
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Figure 8 |
2 If the wall sleeve already has a rear grille, skip to step 4. If the wall sleeve does not have a rear grille or louvered panel, install the plastic grille from the kit. Cut the plastic grille to 25-1/2" wide and 15-1/4" high. Place the plastic grille to the inside of the wall sleeve at the rear flange.
Place the plastic grille Figure 9
3 Fasten the 4 washer screws to secure the grille to the wall sleeve. If you need plastic nuts to mount plastic grille to the inside of the wall sleeve, there are plastic nuts in the installation kit. The nuts are installed from the inside of the sleeve and are pressed into the square holes of the rear flanges.
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or |
Fasten the screws |
Figure 10 |
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4 Remove the backing from the Vertical Insulation
strip 159/16 x 13/8 x 13/8 and attach that to the inside right of the sleeve as shown below.
Remove the backing from the Around Insulation
strip 671/8 x 13/8 x 25/32 and attach that to the inside front of the sleeve as shown below.
Indoor |
Outdoor |
9 1/2" |
6" |
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Figure 11 |
5 |
If the depth of your existing wall sleeve is less |
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than or equal to 18", skip to step 6. Otherwise, |
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cut the baffles and the support blocks according |
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to length A in the table below. |
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Depth D of the existing |
Length A |
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A |
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wall sleeve (inches) |
(inches) |
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Support |
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18 D |
18-5/8 |
3/4 |
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Block |
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18-5/8 |
D 19-3/4 |
1-3/4 |
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Baffle |
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19-3/4 |
D 22 |
4 |
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A |
Figure 12 |
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14 Room Air Conditioner
Installation
PROCEDURE B
6 Remove the backing from the support blocks and attach them to the inside of the wall sleeve as shown in Figure 13. Slide the baffle into slots of the support blocks.
Wall |
(7 3/32") |
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Wall |
Baffle |
Sleeve |
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Front |
Support |
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Block |
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Figure 13 |
7 |
Install the new unit into the wall sleeve. |
8 |
Assemble trim as described in Step 5, |
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Procedure A. |
CAUTION
•Air conditioners covered in this manual pose an excessive weight hazard. Two or more people are needed to move and install the unit.
To prevent injury or strain, use proper lifting and carrying techniques when moving unit.
•When handling the air conditioner, be careful to avoid cuts from sharp metal fins on front and rear coils.
•Make sure air conditioner does not fall during removal.
•If unit does not operate after installation check, to be sure the circuit interrupter has not been tripped. Refer to the Troubleshooting guide for reset procedure.
Owner’s Manual 15
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