LG AVNW36GM1S0, AVUW36GM1S0 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 suspended air conditioner
MFL67791202
P/NO : MFL67791202 www.lg.com
2TIPS 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.
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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 :
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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.
•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.
4 IMPORTANT SAFETY INSTRUCTIONS
• 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 |
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failure, and personal injury. |
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• Do not turn on the breaker or power under condition that front panel, cabinet, top cover, con- |
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trol box cover are removed or opened. |
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- Otherwise, it may cause fire, electric shock, explosion or death. |
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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.
•Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods.
-It may cause a problem for your neighbors.
•Use two or more people to lift and transport the product.
-Avoid personal injury.
•Do not install the product where it will be exposed to sea wind (salt spray) directly.
-It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation
Batteries :
Do not burn, do not try to open it, do not dispose in ordinary trash. Preserve environment and your health.
After use, batteries must be delivered to the merchant or service authorized network (Conama number 401 dated 11/2008).
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TABLE OF CONTENTS |
5 |
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TABLE OF CONTENTS |
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2 |
TIPS FOR SAVING ENER- |
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14 TEST RUNNING |
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14 |
Precautions in test running |
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14 |
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3 |
IMPORTANT SAFETY |
Check the following items when installa- |
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tion is complete |
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INSTRUCTIONS |
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14 |
Connection of power supply |
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6 |
INSTALLATION PLACES |
14 |
Evaluation of the performance |
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15 |
Hand over |
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7THE INDOOR UNIT INSTALLATION
8Open side-cover
9Mounting the anchor nut and bolt
11 Indoor unit drain piping
11 Drain piping
11Drain test
12Heat insulation
12 Connecting cables to the indoor unit
12 Wiring connection
16 INSTALLATION INSTRUC-
TIONS
16Installer setting - how to enter installer setting mode
17Installer setting - installer setting code table
17Installer setting code table
18Installer setting - setting address of central control
18Installer setting - checking address of central control
6INSTALLATION PLACES
INSTALLATION PLACES
Indoor unit
Ceiling suspended type
-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.
Unit: mm(inch)
10 (13/32) |
or more |
300 (11 – 13/16) |
or more |
2500 (98 – 3/7) |
or more |
Floor
700(27 – 9/16) or more |
700(27 – 9/16) or more |
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THE INDOOR UNIT INSTALLATION |
7 |
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THE INDOOR UNIT INSTALLATION
Air conditioner
Take enough distance
Cooking table
Use the ventilation fan for smoke-collecting hood with sufficient capacity.
!CAUTION
•Install the unit horizontally using a level gauge.
•During the installation, care should be taken not to damage electric wires.
•Select and mark the position for fixing bolts and piping hole.
•Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose.
•Drill the hole for anchor bolt on the ceiling.
!NOTE
•Avoid the following installation location. 1. Such places as restaurants and kitchen
where considerable amount of oil steam and flour is generated.
These may cause heat exchange efficiency reduction, or water drops, drain pump mal-function.
In these cases, take the following actions;
•Make sure that ventilation fan is enough to cover all noxious gases from this place.
•Ensure enough distance from the cooking room to install the air conditioner in such a place where it may not suck oily steam.
2.Avoid installng air conditioner in such places where cooking oil or iron powder is generated.
3.Avoid places where inflammable gas is generated.
4.Avoid place where noxious gas is generated.
5.Avoid places near high frequency generators.
8THE INDOOR UNIT INSTALLATION
Open side-cover |
Step 4 |
Step 1
- Remove paper bracket from side-cover.
- Remove two screws from side-cover.
Step 2
Right side cover
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Left side |
Backside |
cover |
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Backside |
-Unlock side-cover from side-panel slightly (Tap the side-cover with your palm on the backside)
Step 5
-Knock out the pipe hole from the left sidecover with nipper/plier.
! CAUTION
Hold the side-cover with other hand while tapping to prevent it to fall down.
Step 3
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- Remove bracket from side-panel.
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THE INDOOR UNIT INSTALLATION 9
Mounting the anchor nut and bolt
-Prepare 4 suspension bolts. (Each bolts length should be same.)
-Measure and mark the position for the Suspension bolts and the piping hole.
-Drill the hole for anchor nut on the ceiling.
-Insert the nuts and washer onto the suspension bolts for locking the suspension bolts on the ceiling.
-Mount the suspension bolts to the anchornuts firmly.
-Secure the hangers onto the Suspension bolts (adjust level roughly.) using nuts, washers and spring washers.
-Adjust a level with a level gauge on the direction of left-right, back-forth by adjusting suspension bolts.
-Adjust a level on the direction of top-bottom by adjusting supension bolts. Then the unit will be declined to the bottomside so as to drain well.
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(Unit : mm) |
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A |
B |
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VM1 |
1018 |
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355 |
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VM2 |
1418 |
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Anchor nut |
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Ceiling |
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Nut |
Washer |
A |
B |
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Suspension |
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bolts |
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Suspension bolt |
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Suspension
bolts Spring 
washer 
Nut Hanger 
Max. 
Washer
12mm
Hanging bolt (W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer (M10)
Flat washer
for M10
(accessory)
Flat washer for M10 (accessory)
Nut
(W3/8 or M10)
- The following parts is option.
Hanging Bolt |
- W 3/8 or M10 |
Nut |
- W 3/8 or M10 |
Spring Washer - M10 |
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Plate Washer |
- M10 |
! CAUTION
Tighten the nut and bolt to prevent unit from falling
•Drill the piping hole on the wall slightly tilted to the outdoor side by using a Ø 70 hole-core drill.
Wall
Indoor Outdoor
Slope gradient for drain Should be 1/50 ~ 1/100
10 THE INDOOR UNIT INSTALLATION
! CAUTION
Installation information for declination
-Install declination of the indoor unit is very important for the drain of the convertible type air conditioner.
-Minimum thickness of the insulation for the connecting pipe shall be 10 mm.
-If the Installation Plates are fixed to horizontal line, the indoor unit after installing will be declined to the bottomside.
Front of view
-The unit must be horizontal or inclined at angle.
-The inclination should be less than or equal to 1° or in between 10 to 20 mm inclined in drain direction as shown in fig.
Ceiling
10~20 mm
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Side of view
- The unit must be inclined to the bottomside of the unit when finished installation.
Ceiling
5~10 mm
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THE INDOOR UNIT INSTALLATION 11
Indoor unit drain piping
-Drain piping must have down-slope (1/50 to 1/100): be sure not to provide up-and-down slope to prevent reversal flow.
-During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.
-Remove the rubber stopple before connecting drain hose.
-Hook on the bracket after connecting the drain hose as below.
Drain hose
Bracket
- Do not make drain piping like the following.
Do not raise
Water |
leakage |
Accumulated |
drain water |
Air |
Water Waving leakage
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Tip of drain |
Less than |
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hose dipped |
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in water |
50 mm gap |
Water |
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leakage |
Ditch |
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-Be sure to execute heat insulation on the drain piping.
Heat insulation material: Polyethylene foam with thickness more than 8 mm.
Drain piping
-The drain hose should point downward for easy drain flow.
Downward
slope
Drain test
Use the following procedure to test the drain pump operation:
-Set the air direction louvers up-and-down to the position(horizontally) by hand.
-Pour a glass of water on the evaporator using a kettle.
-Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit.
12 THE INDOOR UNIT INSTALLATION
Heat insulation
Use the heat insulation material for the refrigerant piping which has an excellent heat-resis- tance (over 120 °C).
Precautions in high humidity circumstance: This air conditioner has been tested according to the "KS Standard Conditions with Mist" and confirmed that there is not any default. However, if it is operated for a long time in high humid atmosphere (dew point temperature: more than 23 °C), water drops are liable to fall. In this case, add heat insulation material according to the following procedure:
Fastening band
Wiring connection
Connect the wires to the terminals on the control board individually according to the outdoor unit connection.
1(L) 2(N) 3
1(L) 2(N) 3
Refrigerant piping |
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Indoor unit |
! C |
Thermal insulator |
The connecting cable |
-Heat insulation material to be prepared...
Adiabatic glass wool with thickness 10 to 20 mm.
- Stick glass wool on all air conditioners that |
NORMAL CROSS-SECTIONAL AREA |
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are located in ceiling atmosphere. |
Model |
Phase(Ø) |
Area(mm2) |
/YL |
AVNW36GM1S0 |
1 |
0.75 |
AVNW60LM2S0 |
3 |
1.00 |
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Connecting cables to the indoor unit
-Remove the control box cover for electrical connection between the indoor and out door unit
-Use the cord clamper to fix the cord.
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Control box cover
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