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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.
WALL MOUNTED
Original instruction
www.lg.com
P/NO : MFL70407001 |
Copyright © 2017 LG Electronics Inc. All Rights Reserved. |
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2 TIPS FOR SAVING ENERGY
TIPS FOR SAVING ENERGY
Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below:
•Do not cool excessively indoors. This may be harmful for your health and may consume more electricity.
•Block sunlight with blinds or curtains while you are operating the air conditioner.
•Keep doors or windows closed tightly while you are operating the air conditioner.
•Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
•Speed up the fan to cool or warm indoor air quickly, in a short period of time.
•Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.
•Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :
IMPORTANT SAFETY INSTRUCTIONS 3
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product
! WARNING
It can result in serious injury or death when the directions are ignored
! CAUTION
It can result in minor injury or product damage when the directions are ignored
! WARNING
•Installation or repairs made by unqualified persons can result in hazards to you and others.
•Installation MUST conform with local building codes.
•The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments.
•Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.
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.
•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 cover of control box securely.
-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.
•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 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.
•Be cautious when unpacking and installing the product.
-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.
-There is risk of fire, electric shock, explosion, or injury.
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4 IMPORTANT SAFETY INSTRUCTIONS
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• Do not install the product on a defective installation stand. |
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- It may cause injury, accident, or damage to the product. |
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• Be sure the installation area does not deteriorate with age. |
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- If the base collapses, the air conditioner could fall with it, causing property damage, product failure, |
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and personal injury. |
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• There is a risk of fire and explosion. |
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- Inert gas (nitrogen) should be used when you check plumbing leaks, cleaning or repairs of pipes |
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etc. |
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If you are using combustible gases including oxygen, product may have the risk of fires and explo- |
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sions. |
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• Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress |
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air or Oxygen and do not use Flammable gases. Otherwise, it may cause fire or explosion. |
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- There is the risk of death, injury, fire or explosion. |
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• Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box |
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cover are removed or opened. |
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- Otherwise, it may cause fire, electric shock, explosion or death. |
Operation
•Do not store or use flammable gas or combustibles near the product. - There is risk of fire or failure of product.
!CAUTION
Installation
•Always check for gas (refrigerant) leakage after installation or repair of product.
-Low refrigerant levels may cause failure of product.
•Install the drain hose to ensure that water is drained away properly.
-A bad connection may cause water leakage.
•Keep level even when installing the product.
-To avoid vibration or water leakage.
•Use two or more people to lift and transport the product.
-Avoid personal injury.
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TABLE OF CONTENTS |
5 |
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TABLE OF CONTENTS |
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2 |
TIPS FOR SAVING EN- |
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8 |
INSTALLATION |
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ERGY |
8 |
Select the best Location |
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8 |
Fixing Installation Plate (SJ/SK) |
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3 |
IMPORTANT SAFETY IN- |
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9 |
Drill a Hole in the Wall |
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STRUCTIONS |
9 |
Flaring Work |
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6 |
INSTALLATION PARTS |
10 |
Connecting the Piping |
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14 |
Checking the Drainage |
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6 |
INSTALLATION TOOLS |
16 |
Manual the decor, air filter Assembly & |
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Disassembly |
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INSTALLATION MAP |
17 |
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Wiring Connection |
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19 |
DIP Switch Setting |
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Group Control Setting |
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Model Designation |
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Airborne Noise Emission |
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Limiting concentration |
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6 INSTALLATION PARTS
INSTALLATION PARTS
Name |
Quantity |
Shape |
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Installation plate |
1 EA |
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SJ |
SK |
Drain hose |
1 EA |
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Type "A" screw |
5 |
EA |
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Type "C" screw |
2 |
EA |
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Cloth tape |
1 |
EA |
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Cloth tape is not attached to the product.
INSTALLATION TOOLS
Figure |
Name |
Figure |
Name |
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Screw driver |
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Multi-meter |
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Electric drill |
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Hexagonal wrench |
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Measuring tape, Knife |
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Ammeter |
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Hole core drill |
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Gas-leak detector |
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Spanner |
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Thermometer, |
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Level |
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Torque wrench |
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Flaring tool set |
INSTALLATION MAP |
7 |
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INSTALLATION MAP
Installation plate
Sleeve
Bushing-Sleeve
Putty(Gum Type Sealant)
Bend the pipe as closely
on the wall as possible,
but be careful that it doesn't break.
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Vinyl tape (Wide) |
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• Apply after carrying out a |
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drainage test. |
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• To carry out the drainage |
Saddle |
test, remove the air filters |
and pour water into the heat |
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exchanger. |
*The feature can be changed according to type of model.
!NOTE
•You should purchase the installation parts.
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8 INSTALLATION
INSTALLATION
Select the best Location
-There should not be any heat or steam near the unit.
-Select a place where there are no obstacles around of the unit.
-Make sure that condensation drainage can be conveniently routed away.
-Do not install near a doorway.
-Ensure that the interval between a wall and the left (or right) of the unit is more than 100 mm. The unit should be installed as high as possible on the wall, allowing a minimum of 200 mm from ceiling.
-Use a metal detector to locate studs to prevent unnecessary damage to the wall.
More than |
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100 |
More than 200 |
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Installation Plate
Type "A" Screws
Chassis
Hook
2Measure the wall and mark the centerline. It is also important to use caution concerning the location of the installation plate.
Routing of the wiring to power outlets is through the walls typically. Drilling the hole through the wall for piping connections must be done safely.
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More than |
Unit Outline |
Place a level on raised tab |
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100 |
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418 |
418 |
More than 2300 |
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(Unit : mm) |
Ø65 |
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Ø65 |
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Installation Plate |
* The feature can be changed according to |
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type of model. |
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98 |
134 |
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152 |
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194 |
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CAUTION |
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(Unit : mm) |
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Install the indoor unit on the wall where the height from the floor is more than 2300 mm.
Fixing Installation Plate
The wall you select should be strong and solid enough to prevent vibration
1Mount the installation plate on the wall with type "A" screws. If mounting the unit on a concrete wall, use anchor bolts.
Unit Outline Place a level on raised tab
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494 |
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504 |
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Ø65 |
Measuring |
Ø65 |
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83 |
Tape |
83 |
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134 |
Measuring Tape |
150 |
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Hanger |
(Unit : mm) |
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-Mount the installation plate horizontally by aligning the centerline using Horizontal meter .
Drill a Hole in the Wall
-Drill the piping hole with a ø65 mm hole core drill. Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side.
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WALL |
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Indoor |
Outdoor |
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Flaring Work
Main cause for gas leakage is due to defect of flaring work. Carry out correct flaring work in the following procedure.
Cut the pipes and the cable
1Use the piping kit accessory or the pipes purchased locally.
2Measure the distance between the indoor and the outdoor unit.
3Cut the pipes a little longer than measured distance.
4Cut the cable 1.5m longer than the pipe length.
Copper |
90° |
Slanted Uneven Rough |
pipe |
INSTALLATION 9
Burrs removal
1.Completely remove all burrs from the cut cross section of pipe/tube.
2.While removing burrs put the end of the copper tube/pipe in a downward direction while removing burrs location is also changed in order to avoid dropping burrs into the tubing.
Pipe
Reamer
Point down
Putting nut on
-Remove flare nuts attached to indoor and outdoor unit, then put them on pipe/tube having completed burr removal.
(not possible to put them on after finishing flare work)
Flare nut
Copper tube
Flaring work
1Firmly hold copper pipe in a bar with the dimension shown in below table table below.
2 Carry out flaring work with the flaring tool.
Outside diameter |
A |
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mm |
inch |
mm |
Ø6.35 |
1/4 |
1.1~1.3 |
Ø9.52 |
3/8 |
1.5~1.7 |
Ø12.7 |
1/2 |
1.6~1.8 |
Ø15.88 |
5/8 |
1.6~1.8 |
Ø19.05 |
3/4 |
1.9~2.1 |
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