LG UU37 INSTALLATION INSTRUCTIONS
website http://www.lgservice.com
LG
LG Casstte Type
Air Conditioner
INSTALLATION MANUAL
IMPORTANT
•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.
<![endif]>DEUTSCH FRANÇAIS ESPAÑOL ITALIANO ENGLISH
Cassette Type Air Conditioner Installation Manual
TABLE OF CONTENTS
Installation |
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Requirements |
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Safety Precautions ..... |
3 |
Installation of Indoor, |
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Outdoor unit................ |
6 |
Ceiling opening |
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dimensions and hanging |
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bolt location.................. |
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The indoor unit |
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installation................... |
9 |
Remote controller |
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installation................... |
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Wiring connection .... |
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Connecting Pipes to |
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the Indoor Unit .......... |
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Installation of |
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decorative panel ....... |
15 |
Required Parts
•Connecting cable
•Four Type "A" Screw
•Hanging Bolt
(W 3/8 or M10 length 650mm)
•Pipes: Gas side Liquid side
•Insulated drain hose
•Additional Drain hose (Inner Dia.............32mm)
Required Tools
•Level
•Screw driver
•Electric drill
•Hole core drill (ø70mm)
•Flaring Tools set
•Torque Wrenches
•Hexagonal Wrench (4mm, 5mm)
•Gas-leak detector
Indoor unit drain piping |
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Test running .............. |
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• Owner’s Manual |
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• Thermometer |
Optional operation.... |
21 |
2 Cassette type 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. |
CAUTION |
This symbol indicates the possibility of injury or damage. |
■ Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
■ 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 install a dedicated circuit and breaker.
•Improper wiring or installation may cause fire or electric shock
Always ground the product.
•There is risk of fire or electric shock.
Use the correctly rated breaker or fuse.
•There is risk of fire or electric shock.
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Installation Manual 3
Safety Precautions
Do not modify or extend the power cable.
Be cautious when unpacking and installing the product.
• There is risk of fire or electric shock.
•Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator.
For installation, always contact the dealer or an Authorized Service Center.
Do not install the product on a defective installation stand.
• There is risk of fire, electric shock, explosion, or injury. 
•It may cause injury, accident, or damage to the product.
Be sure the installation area does not deteriorate with age.
•If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and
Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.
•Moisture may condense and wet or damage furniture.
■ Operation
Do not store or use flammable gas or combustibles near the product.
• There is risk of fire or failure of product.
Gasolin
4 Cassette type Air Conditioner
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Safety Precautions |
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CAUTION |
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■ Installation |
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Always check for gas (refrigerant) |
hose to ensure that water is |
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installation or repair of product. |
properly. |
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• Low refrigerant levels may |
may cause water leakage. |
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Keep level even when installing |
the product where the noise or hot air |
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unit could damage the |
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• To avoid vibration or water |
a problem for your neighbors. |
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90°
Use two or more people to lift product.
• Avoid personal injury.
the product where it will be sea wind (salt spray) directly.
corrosion on the product. particularly on the condenser and fins, could cause product
or inefficient operation.
Installation Manual 5
Installation of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit
Selection
of
the
best
location
1.Indoor unit
•There should not be any heat source or steam near the unit.
•There should not be any obstacles to prevent 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 keep the maintenance space.
Ceiling |
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Ceiling Board |
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Ceiling Board |
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50 or |
<![if ! IE]> <![endif]>30 or |
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Floor |
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2. Outdoor unit |
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Sunroof |
• If an awning is built over the unit to prevent |
More |
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direct sunlight or rain exposure, be careful |
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30cm |
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that heat radiation from the condenser is |
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not restricted. |
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More than |
• There should not be any animals or plants |
Fence |
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30cm |
which could be affected by hot air |
or |
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discharged. |
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• Ensure the spaces indicated by arrows |
obstacles |
More than 50cm |
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from the wall, ceiling, fence or other |
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More than 70cm |
obstacles. |
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6 Cassette type Air Conditioner
Installation of Indoor, Outdoor Unit
3. Piping length and the elevation
Capacity |
Pipe Size |
Length A(m) |
Elevation B(m) |
*Additional |
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(Diameter:Ø) |
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Gas |
Liquid |
Standard |
Max. |
Standard |
Max. |
refrigerant(g/m) |
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36K Btu/h |
5/8"(15.88mm) |
1/4"(6.35mm) |
7.5 |
50 |
5 |
30 |
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Indoor unit |
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Outdoor unit |
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Outdoor unit |
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A |
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Oil trap |
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Outdoor unit |
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B |
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Indoor unit |
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Indoor unit |
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If piping length is more than 5m
CAUTION:
•Rated performance for refrigerant line length of:7.5m
•Capacity is based on standard length and maximum allowance length is on the basis of reliability.
•Improper refrigerant charge may result in abnormal cycle.
•Oil trap should be installed every 10 meters.
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Installation Manual 7
Ceiling opening dimensions and hanging bolt location
Ceiling opening dimensions and hanging bolt location
• The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions.
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600 (Ceiling opening) |
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790 (Ceiling opening) |
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875 (Ceiling opening) |
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39.5 |
521(Hanging bolt) |
39.5 |
109 |
572(Hanging bolt) |
109 |
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45 |
785 (Hanging bolt) |
45 |
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<![if ! IE]> <![endif]>Unit570size |
<![if ! IE]> <![endif]>75 |
<![if ! IE]> <![endif]>(Ceiling600 opening) |
<![if ! IE]> <![endif]>sizeUnit744 |
<![if ! IE]> <![endif]>66 |
<![if ! IE]> <![endif]>(Ceiling790 opening) |
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<![if ! IE]> <![endif]>Unit840size |
<![if ! IE]> <![endif]>101.5 |
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<![if ! IE]> <![endif]>75 |
<![if ! IE]> <![endif]>66 |
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<![if ! IE]> <![endif]>101.5 (Ceiling875 opening) |
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570 Unit size |
<![if ! IE]> <![endif]>bolt) (Hanging 450 |
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744 Unit size |
<![if ! IE]> <![endif]>bolt) (Hanging 658 |
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840 Unit size |
<![if ! IE]> <![endif]>bolt) (Hanging 672 |
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Unit:mm |
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Unit:mm |
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• Select and mark the position for fixing bolts |
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Ceiling |
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and piping hole. |
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• Decide the position for fixing bolts slightly |
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the direction of drain hose. |
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• Drill the hole for anchor bolt on the wall. |
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CAUTION: |
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Ceiling board |
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• This air-conditioner uses a drain pump. |
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• Horizontly install the unit using a |
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level gauge. |
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• During the installation, care should be |
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taken not to damage electric wires. |
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NOTICE
•Thoroughly study the following installation locations:
1.In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the turbo fan, the fin of the heat exchanger and the drain pump, resulting in heat exchange reduction, spraying, dispersing of water drops, drain pump malfunction, etc.
In these cases, take the following actions:
•Make sure that the ventilation fan for smoke-collecting hood on a cooking table has sufficient capacity so that it draws oily steam which should not flow into the suction of the air conditioner.
•Make enough distance from a cooking room to install the air conditioner in such a place where it may not suck in oily steam.
Air conditioner
Take enough distance
Use the ventilation fan for smoke-collecting hood with sufficient capacity.
Cooking table
2.Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is in suspension in factories, etc.
3.Avoid places where inflammable gas is generated, flows in, is stored or vented.
4.Avoid places where sulfurous acid gas or corrosive gas is generated.
5.Avoid places near high frequency generators.
8 Cassette type Air Conditioner
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