LG ARNU05GTRC4, ARNU24GTPC4 installation manual
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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product. Installation work must be performed in accordance with the national wiring standards by authorized personnel only.
Please retain this installation manual for future reference after reading it thoroughly.
Ceiling Cassette – 4Way
Original instruction
www.lg.com
P/NO : MFL69459904
Ceiling Cassette - 4Way Type Indoor Unit Installation Manual
TABLE OF CONTENTS
Installation Requirements
Installation Parts .................... |
3 |
Safety Precautions................. |
4 |
Installation |
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Selection of the best location...6
Ceiling dimension and hang- |
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ing bolt location...................... |
7 |
Wiring Connection ................. |
8 |
Installation of Decoration |
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Panel .................................... |
10 |
Drain Piping.......................... |
11 |
Ceiling Height Selection...... |
12 |
Required Parts |
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Required Tools |
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ο Installation guide map |
ο Level gauge |
ο Four type "A" screws & plastic |
ο Screw driver |
anchors |
ο Electric drill |
ο Connecting cable |
ο Hole core drill |
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ο Horizontal meter |
ο Pipes: Gas side |
ο Flaring tool set |
Liquid side |
ο Specified torque wrenches |
(Refer to Product |
(different depending on model No.) |
Data) |
ο Spanner .......Half union |
ο Insulation materials |
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ο Additional drain pipe |
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Dip Switch Setting ............... |
13 |
Group Control Setting.......... |
14 |
Model Designation .............. |
19 |
Airborne Noise Emission..... |
19 |
Limiting concentration ......... |
19 |
οHexagonal wrench
οGas-leak detector
οVacuum pump
οGauge manifold
οOwner's manual
οThermometer
2 
Indoor Unit
Installation Parts
Installation Parts
Anti-bacteria filter
Air
Intake
Air Outlet
Wired Remote Controller(Accessory)
Installation Tool
Name |
Drain hose |
Clamp metal |
Washer for |
Clamp |
Insulation for |
(Other) |
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hanging backet |
(Tie Wrap) |
fitting |
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Quantity |
1 EA |
2 EA |
8 EA |
4 EA |
1 SET |
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• Paper pattern for |
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installation |
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• Owner's manual |
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Shape |
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for gas pipe |
• Installation manual |
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for liquid pipe |
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• Screws for fixing panels are attached to decoration panel.
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Installation Manual 3
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
νBe sure to read before installing the air conditioner.
νBe sure to observe the cautions specified here as they include important items related to safety.
νIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
ν Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
ν Installation
Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.
•There is risk of fire or electric shock.
For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center.
•Do not disassemble or repair the product. There is risk of fire or electric shock.
Always ground the product.
•There is risk of fire or electric shock.
Install the panel and the |
Always install a dedicated |
cover of control box securely. |
circuit and breaker. |
• There is risk of fire or electric |
• Improper wiring or installation |
shock. |
may cause fire or electric |
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shock. |
Use the correctly rated breaker or fuse.
•There is risk of fire or electric shock.
Do not modify or extend the power cable.
•There is risk of fire or electric shock.
Do not let the air conditioner |
Be cautious when unpacking |
run for a long time when the |
and installing the product. |
humidity is very high and a |
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door or a window is left open. |
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• Moisture may condense and |
• Sharp edges could cause |
wet or damage furniture. |
injury. Be especially careful of |
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the case edges and the fins on |
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the condenser and evaporator. |
4 
Indoor Unit
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Safety Precautions |
For installation, always con- |
Do not install the product on |
Be sure the installation area |
tact the dealer or an Autho- |
a defective installation stand. |
does not deteriorate with age. |
rized Service Center. |
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• There is risk of fire, electric |
• It may cause injury, accident, or |
• If the base collapses, the air |
shock, explosion, or injury. |
damage to the product. |
conditioner could fall with it, |
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causing property damage, |
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product failure, and personal |
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injury. |
Use a vacuum pump or inert (nitrogen) gas when |
Do not turn on the breaker or power under condi- |
doing leakage test or air purge. Do not compress |
tion that front panel, cabinet, top cover, control |
air or oxygen, and do not use flammable gases. |
box cover are removed or opened. |
Otherwise, it may cause fire or explosion. |
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• There is the risk of death, injury, fire or explo- |
• Otherwise, it may cause fire, electric shock, |
sion. |
explosion or death. |
ν Operation
Do not store or use flammable gas or combustibles near the product.
• There is risk of fire or failure of product.
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ν Installation
Always check for gas (refrigerant) leakage after installation or repair of product.
•Low refrigerant levels may cause failure of product.
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Install the drain hose to |
Keep level even when |
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ensure that water is drained |
installing the product. |
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away properly. |
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• A bad connection may cause |
• To avoid vibration or water |
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water leakage. |
leakage. |
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Use two or more people to lift and transport the product.
• Avoid personal injury.
Installation Manual 5
Installation
Installation
Read completely, then follow step by step.
Selection of the best location
•If the temperature might rise above 30 or the humidity might rise above RH 80%, attach the Dew-Pro- tective kit or use another insulation to the indoor body.
ηDew Protective kit is sold separately.
Use glass wool material or polyethylene foam and make sure at least 10mm thick.
•There should not be any heat source or steam near the unit.
•There should not be any obstacles to the air circulation.
•A place where air circulation in the room will be good.
•A place where drainage can be easily obtained.
•A place where noise prevention is taken into consideration.
•Do not install the unit near the door way.
•Ensure the spaces indicated by arrows from the wall, ceiling, or other obstacles.
•The indoor unit must have the maintenance space.
Ceiling |
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Ceiling Board |
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<![if ! IE]> <![endif]>300 |
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<![if ! IE]> <![endif]>less |
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500 or |
<![if ! IE]> <![endif]>or more |
<![if ! IE]> <![endif]>Above2 500 |
<![if ! IE]> <![endif]>0004or less |
500 or |
<![if ! IE]> <![endif]>300 or |
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more |
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| <![if ! IE]> <![endif]>1000 |
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Unit:mm |
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Floor |
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CAUTION : In case that the unit is installed near the sea, the installation parts may be corroded by salt. The installation parts (and the unit) should be taken appropriate anti-corrosion measures.
ηPlease use an annexed sheet or the corrugated cardboard on the bottom of packing as installation sheet.
ηWhen using the bottom sheet, please use it after separating the installation sheet from packing of the product floor by using a knife etc as a picture below.
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Or |
Annexed sheet |
Packing corrugated |
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cardboard on the |
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bottom |
6 
Indoor Unit
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