LG 36k Manuale utente
P/NO : MFL67646203
www.lg.com
INSTALLATION MANUAL
• 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.
TYPE : FLOOR STANDING (Cooling Only Inverter)
AIR CONDITIONER
ENGLISH
• 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 condi-
tioner 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 :
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:
TIPS FOR SAVING ENERGY
TIPS FOR SAVING ENERGY
2
ENGLISH
3
IMPORTANT SAFETY INSTRUCTIONS
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 or, in the absence of local codes, with
the Nation Electrical Code NFPA 70/ANSI C1-1003 or current edition and Canadian Electrical
Code Part1 CSA C.22.1.
• 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 mal-
function, 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 win-
dow 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 con-
denser and evaporator.
• For installation, always contact the dealer or an Authorized Service Center.
- There is risk of fire, electric shock, explosion, or injury.
!
!
!
ENGLISH
• Do not install the product on a defective installation stand.
- 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 personal injury.
• Use a vacuum pump or inert (nitrogen) gas when doing leakage test or air purge. Do not compress
air or oxygen and do not use flammable gases. Otherwise, it may cause fire or explosion.
- There is the risk of death, injury, fire or explosion.
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 neigh-
borhoods.
- 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.
!
IMPORTANT SAFETY INSTRUCTIONS
4
ENGLISH
5
2TIPS FOR SAVING EN-
ERGY
3IMPORTANT SAFETY IN-
STRUCTIONS
6INSTALLATION PLACE
6Select the best Location
6- Indoor unit
6- Outdoor unit
7Piping length and elevation
8INSTALLATION
8Indoor unit installation
8Outdoor unit installation
8Refrigerant amount
9Installation method
10 Installation tools and parts
10 - Installation tools
10 - Installation parts
11 Preparation of piping
11 - Cut the pipes and the cable
11 - Burrs removal
11 - Putting nut on
11 - Flaring work
11 - Check
12 Plumbing materials and storage
methods
13 Connecting the pipings to the indoor
unit and drain hose to drain pipe
13 Connecting the pipes to the outdoor
unit
14 Forming the piping
14 Precautions in bending
15 LEAKAGE TEST AND
EVALUATION
15 Preparation
15 Leakage test
16 Evacuation
17 WIRING CONNECTION
17 Electrical Wiring
18 Connecting the cable
18 - Indoor unit
18 - Outdoor unit
19 Power supply and wiring
20 TEST RUNNING
22 NIGHT SILENT OPERA-
TION SETTING
23 SELF-DIAGNOSIS
FUNCTION
23 Error indicator (outdoor)
24 INSTALLATION GUIDE
AT THE SEASIDE
TABLE OF CONTENTS
TABLE OF CONTENTS
ENGLISH
❈Figures in the manual could be different according to the models.
Select the best Location
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 ob-
tained.
- 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.
Outdoor unit
- If an awning is built over the unit to prevent
direct sunlight or rain exposure, be careful
that heat radiation from the condenser is not
restricted.
- There should not be any animals or plants
which could be affected by hot air dis-
charged.
- Ensure the spaces indicated by arrows from
the wall, ceiling, fence or other obstacles.
INSTALLATION PLACE
INSTALLATION PLACE
6
ENGLISH
300mm 300mm
300mm
More than
300
More than 700
More than 600
More than
More than
300300
Sunroof
Fence or
obstacles
OUTDOOROUTDOOR
UnitUnit
OUTDOOR
Unit
More than
300
Unit : mm
7
INSTALLATION PLACE
ENGLISH
Piping length and elevation
Capacity
(Btu/h)
Pipe Size(mm(inch)) Length ’A’ (m) Elevation ’B’ (m) Additional
refrigerant
(g/m)
Gas Side Liquid Side Min Max Max
36K 15.88(5/8) 9.52(3/8) 7.5 50 30 30
48K 15.88(5/8) 9.52(3/8) 7.5 50 30 40
CAUTION
• Capacity is based on standard length and maximum allowance length is on the basis of
reliability.
!
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
Indoor unit installation
1The mounting floor should be strong and
solid enough to prevent it from vibration.
2Drill the piping hole with 70mm diameter
hole-core drill at either the right or the left
of indoor unit. The hole should be sightly
slant to the outdoor side.
3Insert the plastic tube through the hole.
4 Cut the extruded outside part of the plastic
tube, if necessary.
- When using knock-out hole to route
the piping, insert the plastic cover in
knock-out hole in order to prevent the
piping from damaged by sharp edge of
the hole.
Outdoor unit installation
1Install the outdoor unit on the concrete or
any solid base securely and horizontally by
securing it with bolts (Ø12mm) and nuts.
2If there is any vibration transmitted to the
building, mount the rubber underneath the
outdoor unit.
Refrigerant amount
Before shipment, this air conditioner is filled
with the rated amount of refrigerant including
additional amount required for air-purging,
subjected to 7.5m piping length. (The rated
amount of refrigerant is indicated on the name
plate.) But when the piping length exceeds
standard length, additional charge is required
according to the following table.
Example) 36k
In case of 15m long pipe
the amount of refrigerant to be replenished
(15-7.5) X 30 = 225g
200mm
70mm 70mm
90mm
Wall
Core Drill
Tilt
Cut if
necessary
More
than 15mm
Wall
Plastic tube
(Bushing)
INSIDE OUTSIDE
Capacity
(Btu/h)
Standard
Piping length
Refrigerant
charge
36k 7.5m 30g/m
48K 7.5m 40g/m
ENGLISH
INSTALLATION
8
INSTALLATION
INSTALLATION 9
ENGLISH
No. Installation works Descriptions
1 Preparation of tools and installation parts Preparation of installation
2 Flaring the pipes
To insert the flare nuts, mounted on the
connection parts of both indoor and out-
door unit, onto the copper pipes.
3 Pipe bending To reduce the flow resistance of refriger-
ant.
4Connection of installation parts (elbows,
socket etc) Connection of long piping
5 Tighten the flare nut (outdoor) Connecting the pipings of the outdoor
unit.
6 Blowing the pipings To remove dust and scale in working.
7 Tighten the flare nut (indoor) Connecting the pipings of the indoor unit.
8Check a gas-leakage of the connecting
part of the pipings.
9Vacuum drying of the piping and indoor
unit
The air which contains moisture and
which remains in the refrigeration cycle
may cause a malfunction on the compres-
sor
10 Open the 3-way (liquid side) and 3-way
(gas side) valves.
11 Form the pipings To prevent heat loss and sweat
12 Checking the drainage (indoor unit) To ensure if water flow drain hose of in-
door unit.
13 Connecting the cable between outdoor
and indoor unit Preparation of the operating
14 Connecting the main cable to outdoor unit
15 Cooling operation (Use the remote control
or display of the indoor unit)
Installation method
Questo manuale è adatto per i seguenti modelli
1
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