LG UU30WR.U40 Owner's Manual
MALTI
PORTUGUÊS
ENGLISH
УКРАÏНСЬКА
SLOVENČINA
MAGYAR
ITALIANO
ҚАЗАҚ ТІЛІ
SLOVENŠČINA
БЪЛГАРСКИ
ESPAÑOL
БЕЛАРУСКАЯ МОВА
LATVIEŠU VALODA
SRPSKI
FRANÇAIS
O‘ZBEK TILI
LIETUVIŲ KALBA
HRVATSKI
DEUTSCH
GAEILGE
SVENSKA
ΕΛΛΗΝΙΚΆ
МАКЕДОНСКИ
NORSK
ČEŠTINA
SHQIP
SUOMI
NEDERLANDS
ÍSLENSKA
DANSK
POLSKI
BOSANSKI
EESTI KEEL
LIMBA ROMÂNĂ
AIR
CONDITIONER
РУССКИЙ ЯЗЫК
QUICK 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.
Original instruction (R32)
[Representative] LG Electronics Inc. EU Representative :
LG Electronics European Shared Service Center B.V.
Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro,
Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA
This manual is the simplified version of original manual.
You can obtain the original manual from www.lg.com.
MFL69191419
Rev.02_022519
www.lg.com
Copyright © 2016 - 2019 LG Electronics Inc. All Rights Reserved.
MODEL DESIGNATION
2
ENGLISH
MODEL DESIGNATION
Product information
- Product Name : Air conditioner
- Model Name :
U
U
24
W
U
4
Detailed product type
W : Inverter outdoor
WR : Inverter outdoor(R32)
WH : High COP Inverter outdoor
WC : Compact Inverter outdoor
WCR : Compact Inverter outdoor(R32)
Nominal Capacity
EX) 9 000 Btu/h Class → '09'
24 000 Btu/h Class → '24'
Type
U : Outdoor units B : Duct
T : Cassette
Q : Console
V : Floor-ceiling
P : Floor standing
Model Type
U : Universal model
27 U4
2
Serial number
Outdoor unit chassis name
Nominal capacity
Ex) 18 000 Btu/h Class → '18'
Type of refrigerant
M : R410A
R : R32
Indicates that this is multi
system outdoor unit using R410A/R32
Ex) MU3 : Connectable max.
3 indoor units
MU4 : Connectable max.
4 indoor units
FM 40
A
H
U3
The A-weighted sound pressure emitted by
this product is below 70 dB.
** The noise level can vary depending on the
site.
The figures quoted are emission level and are
not necessarily safe working levels.
2
Serial Number
Chassis name
Indoor / Outdoor
MU4 M
Airborne Noise Emission
2
Serial number
Outdoor unit chassis name
Model type
H : Heat pump
Type of refrigerant
A : R410A
Nominal capacity
Ex) 48 000 Btu/h Class → '48'
Model type
FM : Inverter multi ststem
of Distributor Box type
- Additional Information : serial number is
refer to the barcode on the product.
- Maximum allowable pressure
High side : 4.2 MPa / 4.32 MPa
(it can be different by model)
Low side : 2.4 MPa
- Refrigerant : R32
Whilst there is a correlation between the
emission and exposure levels, this cannot be
used reliably to determine whether or not
further precautions are required.
Factor that influence the actual level of
exposure of the workforce include the
characteristics of the work room and the other
sources of noise, i.e. the number of
equipment and other adjacent processes and
the length of time for which an operator
exposed to the noise. Also, the permissible
exposure level can vary from country to
country.
This information, however, will enable the
user of the equipment to make a better
evaluation of the hazard and risk.
IMPORTANT SAFETY INSTRUCTIONS
3
Read the precautions in this manual
carefully before operating the unit.
This appliance is filled with
flammable refrigerant (R32)
This symbol indicates that the
Operation Manual should be read
carefully.
This symbol indicates that a service
personnel should be handling this
equipment with reference to the
Installation Manual.
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 work must be performed in accordance with the National Electric
Code by qualified and authorized personnel only.
• 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.
• Compliance with national gas regulations shall be observed.
• This equipment shall be provided with a supply conductor complying with the
national regulation.
• Ducts connected to an appliance shall not contain an ignition source. (for R32)
Installation
• Do not use a defective or underrated circuit breaker. Use the correctly rated
breaker and fuse. 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 by
yourself. There is risk of fire or electric shock.
• Always ground the product as per the wiring diagram. Do not connect the
ground wire to gas or water pipes lightening rod or telephone ground wire.
There is risk of fire or electric shock.
ENGLISH
IMPORTANT SAFETY INSTRUCTIONS
4
IMPORTANT SAFETY INSTRUCTIONS
ENGLISH
• Install the panel and the cover of control box securely. There is risk of fire or
electric shock due to dust, water etc.
• Use the correctly rated breaker or fuse. There is risk of fire or electric shock.
• Do not modify or extend the power cable. If the power cable or cord has
scrathes or skin peeled off or deteriorated then it must be replaced. There is risk
of fire or electric shock.
• For installation, removal or reinstall, always contact the dealer or an Authorized
Service Center. There is risk of fire, electric shock, explosion, or injury.
• Do not install the product on a defective installation stand. Be sure that the
installation area does not deteriorate with age. It may cause product to fall.
• Never install the outdoor unit on a moving base or a place from where it can fall
down. The falling outdoor unit can cause damage or injury or even death of a
person.
• In outdoor unit the step-up capacitor supplies high voltage electricity to the
electrical components. Be sure to discharge the capacitor completely before
conducting the repair work. An charged capacitor can cause electrical shock.
• When installing the unit, use the installation kit provided with the product.
Otherwise the unit may fall and cause severe injury.
• Indoor/outdoor wiring connections must be secured tightly and the cable should
be routed properly so that there is no force pulling the cable from the
connection terminals. Improper or loose connections can cause heat generation
or fire.
• Safely dispose off the packing materials. Like screws, nails, batteries, broken
things etc after installation or svc and then tear away and throw away the plastic
packaging bags. Children may play with them and cause injury.
• Be sure to check the refrigerant to be used. Please read the label on the
product. Incorrect refrigerant used can prevent the normal operation of the unit.
• Do not turn on the breaker or power under condition that front panel, cabinet,
top cover, control box cover are removed or opened. Otherwise, it may cause
fire, electric shock, explosion or death.
• 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.
• The appliance shall be stored in a room without continuously operating ignition
sources (for example: open flames, an operating gas appliance or an operating
electric heater)
• Do not use means to accelerate the defrosting process or to clean, other than
those recommended by the manufacturer.
• Do not pierce or burn refrigerant cycle part.
• Be aware that refrigerants may not contain an odour.
IMPORTANT SAFETY INSTRUCTIONS
5
Operation
• When the product is soaked (flooded or submerged) in water, contact an
Authorized Service Center for repair before using it again. There is risk of fire or
eletric shock.
• Be sure to use only those parts which are listed in the svc parts list. Never
attempt to modify the equipment. The use of inappropriate parts can cause an
electrical shock, excessive heat generation or fire.
• Do not touch, operate, or repair the product with wet hands. Hold the plug by
hand when taking out. There is risk of electric shock or fire.
• Do not place a heater or other heating appliances near the power cable. There is
risk of fire and electric shock.
• Do not allow water to run into electric parts. Install the unit away from water
sources. There is risk of fire, failure of the product, or electric shock.
• Do not store or use or even allow flammable gas or combustibles near the
product. There is risk of fire.
• Do not use the product in a tightly closed space for a long time. Perform
ventilation regularly. Oxygen deficiency could occur and hence harm your health.
• Do not open the front grille of the product during operation. (Do not touch the
electrostatic filter, if the unit is so equipped.) There is risk of physical injury,
electric shock, or product failure.
• If strange sound, smell or smoke comes from product. Immediately turn the
breaker off or disconnect the power supply cable. There is risk of electric shock
or fire.
ENGLISH
• Keep any required ventilation openings clear of obstruction.
• The appliance shall be stored in a well-ventilated area where the room size
corresponds to the room area as specified for operation.
• Refrigerant tubing shall be protected or enclosed to avoid damage.
• Flexible refrigerant connectors (such as connecting lines between the indoor
and outdoor unit) that may be displaced during normal operations shall be
protected against mechanical damage.
• A brazed, welded, or mechanical connection shall be made before opening the
valves to permit refrigerant to flow between the refrigerating system parts.
• Mechanical connections shall be accessible for maintenance purposes.
• The appliance shall be disconnected from its power source during service and
when replacing parts.
• Do not touch refrigerant pipe and water pipe or any internal parts while the unit
is operating or immediately after operation. It can cause a burn or frostbite.
• Do not install the product on a non-parallel or defective installation stand.
It may cause injury, accident, or damage to the product.
• The appliance shall be installed in accordance with national wiring regulations.
6
IMPORTANT SAFETY INSTRUCTIONS
ENGLISH
• Ventilate the product room from time to time when operating it together with a
stove, or heating element etc. Oxygen deficiency can occur and hence harm
your health.
• When the product is not to be used for a long time, disconnect the power
supply plug or turn off the breaker. There is risk of product damage or failure, or
unintended operation.
• Take care to ensure that nobody especially kids could step on or fall onto the
outdoor unit. This could result in personal injury and product damage.
• Take care to ensure that power cable could not be pulled out or damaged during
operation. There is risk of fire or electric shock.
• Do not place ANYTHING on the power cable. There is risk of fire or electric
shock.
• When flammable gas leaks, turn off the gas and open a window for ventilation
befor turning on the product. Do not use the telephone or turn switches on or
off. There is risk of explosion or fire.
• Make sure to ventilate sufficiently when this air conditioner and a heating
appliance such as a heater are used simultaneously. Failure to do so may result
in fire, serious injury, or product failure.
• Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on
the heat exchanger by using water.
• Dismantling the unit, treatment of the refrigerant oil and eventual parts should
be done in accordance with local and national standards.
! CAUTION
Installation
• Two or more people must 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.
• Install the drain hose to ensure that the condensed water is drained away
properly. A bad connection may cause water leakage.
• Keep level even when installing the product. To avoid vibration or noise.
• Do not install the product where the noise or hot air from the outdoor unit could
damage or disturb the neighborhoods. It may cause a problem for your
neighbors and hence dispute.
• Always check for gas (refrigerant) leakage after installation or repair of product.
Low refrigerant levels may cause failure of product.
• Any person who is involved with working on or breaking into a refrigerant circuit
should hold a current valid certificate from an industry-accredited assessment
authority, which authorises their competence to handle refrigerants safely in
accordance with an industry recognised assessment specification.
IMPORTANT SAFETY INSTRUCTIONS
7
ENGLISH
• Wear adequate personal protection equipment (PPE) when installing,
maintaining or servicing the product.
• If the supply cord is damaged, it must be replaced by a special cord or assembly
available from the manufacturer of its service agent.
• Pipe-work shall be protected from physical damage.
• Keep Level parallel in installing the product. Otherwise, it may cause vibration or
water leakage. It may cause injury or an accident.
Operation
• Do not use the product for special purposes, such as preserving foods, works of
art, etc. It is a consumer air conditioner, not a precision refrigeration system.
There is risk of damage or loss of property.
• Do not block the inlet or outlet of air flow. It may cause product failure.
• Use a soft cloth to clean. Do not use harsh detergents, solvents or splashing
water etc. There is risk of fire, electric shock, or damage to the plastic parts of
the product.
• Do not touch the metal parts of the product when removing the air filter. There
is risk of personal injury.
• Do not step on or put anyting on the product. (outdoor units) There is risk of
personal injury and failure of product.
• Always insert the filter securely after cleaning. Clean the filter every two weeks
or more often if necessary. A dirty filter reduces the efficiency.
• Do not insert hands or other objects through the air inlet or outlet while the
product is operating. There are sharp and moving parts that could cause
personal injury.
• Be cautious when unpacking and installing the product. Sharp edges could
cause injury.
• If the refrigerant gas leaks during the repair, do not touch the leakaing
refrigerant gas. The refrigernat gas can cause frostbite (cold burn).
• Do not tilt the unit when removing or uninstalling it. The condensed water inside
can spill.
• Do not mix air or gas other than the specified refrigerant used in the system. If
air enters the refrigerant system, an excessively high pressure results, causing
equipment damage or injury.
• If the refrigerant gas leaks during the installation, ventilate the area immediately.
Otherwise it can be harmfull for your health.
• Dismantling the unit, treatment of the refrigerant oil and eventual parts should
be done in accordance with local and national standards.
• Replace the all batteries in the remote control with new ones of the same type.
Do not mix old and new batteries or different types of batteries. There is risk of
fire or product failure.
8
IMPORTANT SAFETY INSTRUCTIONS
ENGLISH
• Do not recharge or disassemble the batteries. Do not dispose off batteries in a
fire. They may burn or explode.
• If the liquid from the batteries gets onto your skin or clothes, wash it well with
clean water. Do not use the remote if the batteries have leaked. The chemicals
in batteries could cause burns or other health hazards.
• If you swallow the battery fluid from a leak, wash out the inside of your mouth
thoroughly and then consult a doctor. Failure to do so may result in serious
health complications.
• 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.
• Do not expose your skin or kids or plants to the cool or hot air draft. This could
harm to your health.
• Do not drink the water drained from the product. It is not sanitary and could
cause serious health issues.
• Use a firm stool or ladder when cleaning, maintaining or repairing the product at
an height. Be careful and avoid personal injury.
• The appliance shall be stored so as to prevent mechanical damage from
occurring.
• Servicing shall only be performed as recommended by the equipment
manufacturer. Maintenance and repair requiring the assistance of other skilled
personnel shall be carried out under the supervision of the person competent in
the use of flammable refrigerants.
• The installation of pipe-work shall be kept to a minimum
• When mechanical connectors are reused indoors, sealing parts shall be
renewed.
• When flared joints are reused indoors, the flare part shall be re-fabricated.
• Means for disconnection must be incorporated in the fixed wiring in accordance
with the wiring rules
• This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety. Children should be
supervised to ensure that they do not play with the appliance.
• This appliance can be used by children aged from 8 years and above and
persons with reduced physical, sensory or mental capabilities or lack of
experience and knowledge if they have been given supervision or instruction
concerning use of the appliance in a safe way and understand the hazards
involved. Children shall not play with the appliance. Cleaning and user
maintenance shall not be made by children without supervision
INSTALLATION MANUAL
- If an awning is built over the unit to prevent direct
sunlight or rain exposure, make sure that heat radiation
from the condenser is not restricted.
- Ensure that the spaces indicated by arrows around front,
back and side of the unit.
- Do not place animals and plants in the path of the warm
air.
- Take the air conditioner weight into account and select a
place where noise and vibration are minimum.
- Select a place so that the warm air and noise from the
air conditioner do not disturb neighbors.
- Place that can sufficiently endure the weight and
vibration of the outdoor unit and where even installation
is possible
- Place that has no direct influence of snow or rain
- Place with no danger of snowfall or icicle drop
- Place without weak floor or base such as decrepit part
of the building or with a lot of snow accumulation
Su
nro
of
Preparation of Piping
- Use the de-oxidised copper as piping materials to install.
Cut the pipes and the cable.
Copper
tube
90°
Slanted Uneven Rough
Burrs removal
- Completely remove all burrs from the cut cross section
of pipe/tube.
- Put the end of the copper tube/pipe to downward
direction as you remove burrs in order to avoid to let
burrs drop in the tubing.
Flaring work
A inch (mm)
Wing nut type
Clutch type
Ø 1/4 (Ø 6.35) 0.04~0.05 (1.1~1.3)
Ø 3/8 (Ø 9.52) 0.06~0.07 (1.5~1.7)
0~0.02
Ø 1/2 (Ø 12.7) 0.06~0.07 (1.6~1.8)
(0~0.5)
Ø 5/8 (Ø 15.88) 0.06~0.07 (1.6~1.8)
Ø 3/4 (Ø 19.05) 0.07~0.08 (1.9~2.1)
Pipe diameter
Inch (mm)
More than
300 mm
Fe
ob nce o
sta r
cle
s
More than
300 mm
A > 200 mm
(7-7/8 inch)
More than 600 mm
More than 700 mm
!
CONNECTING PIPES
CAUTION
Be very careful while carrying the product.
• Do not have only one person carry product if it is
more than 20 kg.
• PP bands are used to pack some products. Do not
use them as a mean for transportation because
they are dangerous.
• Do not touch heat exchanger fins with your bare
hands. Otherwise you may get a cut in your hands.
• Tear plastic packaging bag and scrap it so that
children cannot play with it. Otherwise plastic
packaging bag may suffocate children to death.
• When carrying in Outdoor Unit, be sure to support
it at four points. Carrying in and lifting with 3-point
support may make Outdoor Unit unstable, resulting
in a fall.
• Use 2 belts of at least 8 m long.
• Place extra cloth or boards in the locations where
the casing comes in contact with the sling to
prevent damage.
• Hoist the unit making sure it is being lifted at its
center of gravity.
Bar
"A"
Copper pipe
<Wing nut type>
<Clutch type>
LIFTING METHOD
- When carrying the suspended, unit pass the ropes under
the unit and use the two suspension points each at the
front and rear.
- Always lift the unit with ropes attached at four points so
that impact is not applied to the unit.
- Attach the ropes to the unit at an angle of 40° or less.
ENGLISH
INSTALLATION PLACES
9
10 INSTALLATION MANUAL
ENGLISH
Minimum floor area(for R32)
- The appliance shall be installed, operated and stored in a room with a floor area larger than the
minimum area.
- Use the graph of table to determine the minimum area.
Amin (m2) 600
Floor standing
500
400
300
200
100
Wall mounted
Ceiling mounted
m (kg)
0
0
1.224
2
3
4
5
6
7
8
- m : Total refrigerant amount in the system
- Total refrigerant amount : factory refrigerant charge + additional refrigerant amount
- Amin : minimum area for installation
Floor location
m (kg) Amin (m2)
< 1.224
1.224
12.9
1.4
16.82
1.6
21.97
1.8
27.80
2
34.32
2.2
41.53
2.4
49.42
2.6
58.00
2.8
67.27
3
77.22
3.2
87.86
3.4
99.19
3.6
111.20
3.8
123.90
4
137.29
4.2
151.36
4.4
166.12
Floor location
m (kg) Amin (m2)
4.6
181.56
4.8
197.70
5
214.51
5.2
232.02
5.4
250.21
5.6
269.09
5.8
288.65
6
308.90
6.2
329.84
6.4
351.46
6.6
373.77
6.8
396.76
7
420.45
7.2
444.81
7.4
469.87
7.6
495.61
7.8
522.04
Wall mounted
m (kg) Amin (m2)
< 1.224
1.224
1.43
1.4
1.87
1.6
2.44
1.8
3.09
2
3.81
2.2
4.61
2.4
5.49
2.6
6.44
2.8
7.47
3
8.58
3.2
9.76
3.4
11.02
3.6
12.36
3.8
13.77
4
15.25
4.2
16.82
4.4
18.46
Wall mounted
m (kg) Amin (m2)
4.6
20.17
4.8
21.97
5
23.83
5.2
25.78
5.4
27.80
5.6
29.90
5.8
32.07
6
34.32
6.2
36.65
6.4
39.05
6.6
41.53
6.8
44.08
7
46.72
7.2
49.42
7.4
52.21
7.6
55.07
7.8
58.00
Ceiling Mounted
m (kg) Amin (m2)
< 1.224
1.224
0.956
1.4
1.25
1.6
1.63
1.8
2.07
2
2.55
2.2
3.09
2.4
3.68
2.6
4.31
2.8
5.00
3
5.74
3.2
6.54
3.4
7.38
3.6
8.27
3.8
9.22
4
10.21
4.2
11.26
4.4
12.36
Ceiling Mounted
m (kg) Amin (m2)
4.6
13.50
4.8
14.70
5
15.96
5.2
17.26
5.4
18.61
5.6
20.01
5.8
21.47
6
22.98
6.2
24.53
6.4
26.14
6.6
27.80
6.8
29.51
7
31.27
7.2
33.09
7.4
34.95
7.6
36.86
7.8
38.83
INSTALLATION MANUAL
- Follow ordinance of your governmental
organization for technical standard related to
electrical equipment, wiring regulations and
guidance of each electric power company.
!
Model(Btu/h)
18 k
24 k/30 k
36 k
Phase(Ø)
1
1
1
ELCB
15 A
20 A
30 A
1(L) 2(N) 3
WARNING
Be sure to have authorized electrical
engineers do the electric work using
special circuits in accordance with
regulations and this installation manual.
If power supply circuit has a lack of
capacity or electric work deficiency, it may
cause an electric shock or fire.
Perform the electrical wiring work according
to the electrical wiring connection.
- All wiring must comply with local
requirements.
- Select a power source that is capable of
supplying the current required by the air
conditioner.
- Use a recognized ELCB(Electric Leakage
Circuit Breaker) between the power source
and the unit. A disconnection device to
adequately disconnect all supply lines must
be fitted.
- Model of circuit breaker recommended by
authorized personnel only
ELCB
Main
power source
2) Compact Invert
Switch box
Outdoor
Indoor
Connected to outdoor
unit or B.D. unit.
!
CAUTION
Be sure to correct the outdoor unit to
earth. Do not connect ground wire to any
gas pipe, liquid pipe, lightening rod or
telephone earth line. If earth is
incomplete, it may cause an electric
shock.
• Refer to the PDB about detail electric
characteristics
• Connect the wires to the terminals on the
control board individually according to the
outdoor unit connection.
• Ensure that the color of the wires of outdoor
unit and the terminal No. are the same as
those of indoor unit respectively
• When the connection line between the
indoor unit and outdoor unit is over 40 m,
connect the telecommunication line and
power line separately.
• Supply line of appliances shall not be lighter
than polychloroprene sheathed. (code
designation 60245 IEC 57)
Minimum cross-sectional area of conductors
1) Standard Invert
Model(Btu/h)
09 k/12 k
18 k
24 k
30 k
36 k/42 k/48 k/60 k
36 k/42 k/48 k/60 k
Phase(Ø)
1
1
1
1
1
3
ELCB
15 A
20 A
25 A
30 A
40 A
20 A
Rated current of
appliance A
≤6
> 6 and ≤10
> 6 and ≤10
> 16 and ≤ 25
> 25 and ≤ 32
> 32 and ≤ 40
Nominal
cross-sectional area mm2
0.75
1.0
1.5
2.5
4
6
ENGLISH
ELECTRICAL WIRING
11
12
ENGLISH
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