LG MULTI V B3 Series Bedienungsanleitung
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.
P/NO : MFL67798112
www.lg.com
TYPE : BUILT - IN DUCT - LOW STATIC
Original instruction
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
ΕΛΛΗΝΙΚΆ
ČEŠTINA
NEDERLANDS
POLSKI
LIMBA ROMÂNĂ
2Indoor Unit
Ceiling Concealed Duct - Low Static Type Indoor Unit Installation Manual
TABLE OF CONTENTS
oFour type "A" screws
oConnecting cable
oPipes: Gas side
Liquid side
(Refer to Product
Data)
oInsulation materials
oAdditional drain pipe
oLevel gauge
oScrew driver
oElectric drill
oHole core drill
oFlaring tool set
oSpecified torque wrenches
(different depending on model No.)
oSpanner.......Half union
oA glass of water
oScrew driver
oHexagonal wrench
oGas-leak detector
oVacuum pump
oGauge manifold
oOwner's manual
oThermometer
Safety Precautions.................3
Introduction.............................6
Installation
Selection of the best location
...............................................7
Ceiling opening dimension
and hanging bolt location......8
Indoor Unit Installation ..........9
Wiring Connection.................9
Part name and functions.....10
Checking the Drainage .......11
Installation of Wired Remote
Controller .............................15
Name and function of wired
remote controller(Accessory)
...17
Dip Switch Setting
.................18
Group Control Setting .........19
Model Designation ..............23
Airborne Noise Emission ....23
Limiting concentration .........23
How to Set E.S.P?................24
Installation Requirements Required Parts Required Tools
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be
followed.
nBe sure to read before installing the air conditioner.
nBe sure to observe the cautions specified here as they include important items related to safety.
nIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classi-
fied by the following indications.
nMeanings of symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
Be sure not to do.
Be sure to follow the instruction.
WARNING
nInstallation
Do not use a defective or
underrated circuit breaker.
Use this appliance on a dedi-
cated 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 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 break-
er or fuse.
• There is risk of fire or electric
shock.
ENGLISH
Installation Manual 3
4Indoor Unit
Safety Precautions
nOperation
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 evapo-
rator.
For installation, always con-
tact 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.
• 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.
Do not store or use flammable gas or combustibles near the product.
• There is risk of fire or failure of product.
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.
Safety Precautions
Always check for gas (refrig-
erant) leakage after installa-
tion 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, particular-
ly on the condenser and evap-
orator fins, could cause prod-
uct malfunction or inefficient
operation.
CAUTION
nInstallation
If you eat the liquid from the batteries, brush your teeth and see doctor.
Do not use the remote if the batteries have leaked.
• The chemicals in batteries could cause burns or other health hazards.
ENGLISH
Installation Manual 5
Introduction
6Indoor Unit
Introduction
Wired Remote Controller
Wired Remote Controller
RemoteController
TEMP
RemoteController
TEMP
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to the
air conditioner.
This symbol indicates special notes.
Symbols Used in this Manual
Features
Built-in Duct type
Suction Grille
Suction Grille + Suction Canvas
NOTICE
Installation
Installation
Indoor unit
Install the air conditioner in the location that satis-
fies the following conditions.
• The place shall easily bear a load exceeding
four times the indoor unit’s weight.
• The place shall be able to inspect the unit as the
figure.
• The place where the unit shall be leveled.
• The place shall easily connect with the outdoor
unit.
• The place where the unit is not affected by an
electrical noise.
• The place where air circulation in the room will
be good .
• There should not be any heat source or steam
near the unit
Confirm the positional relationship between the
unit and suspension bolts.
• Installation the ceiling opening to clean the filter
or service under the product.
Selection of the best location
Capacity(Btu/h) A B
7/9/12/15k 600 900
18/24k 600 1100
(Length: mm)
270 or more520 or more
Inspection hole
(600 x 600)
Control box
600600
A(Min) B(Min)
Ceiling
Service Space
A
B
Built-in Duct type
• Refer to Suction grille and Suction canvas
installation manual for detail installation of
Built-in duct type
ENGLISH
Installation Manual 7
8Indoor Unit
Installation
Ceiling dimension and hanging bolt location
Installation of Unit
Install the unit above the ceiling correctly.
• Apply a joint-canvas between the unit and duct
to absorb unnecessary vibration.
• Apply a filter Accessory at air return hole.
• Install the unit leaning to a drainage hole side as
a figure for easy water drainage.
• A place where the unit will be leveled and that
can support the weight of the unit.
• A place where the unit can withstand its vibra-
tion.
• A place where service can be easily performed.
CASE 1
POSITION OF SUSPENSION BOLT
(Unit:mm)
7/9/12/15k BTU/h
850 900 383 575 93 190 21 795 163 820
18/24k BTU/h
1130 1180 383 575 93 190 21 1065 163 1100
Dimension
Capacity(Btu/h)
ABCDEFGH I J
CE
G
D
A
J
B
M10 Nut
M10 washer
X 4
X 4
M10 Nut
M10 washer
X 4
X 8
I
F
H
Drainage hole Drain Pump use
CASE 2
POSITION OF CONSOLE BOLT
B3/B4: 295
(Ceiling opening)
B4: 1118
B3: 840
(Ceiling opening)
Installation
• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceil-
ing.
• Insert the set anchor and washer onto the sus-
pension bolts for locking the suspension bolts
on the ceiling.
• Mount the suspension bolts to the set anchor
firmly.
• Secure the installation plates onto the suspen-
sion bolts (adjust level roughly) using nuts,
washers and spring washers.
1 Set anchor
Plate washer
Spring washer
Nut
Suspension
bolts
Old building New building
2
3
4
5
Connect the wires to the terminals on the control board individually according to the outdoor unit con-
nection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor
unit respectively.
Terminal Block Indoor
1(L) 2(N) 3 4
INDOOR POWER INPUT
IDU IDU
Outdoor unit Indoor unit
Central controller
SODU SODU
DRY1 DRY2 GND
INTERNET 12V
Outdoor unit
Wiring Connection
Indoor Unit Installation
B3/B4 Series
WARNING : Make sure that the screws of the terminal are free from looseness.
CAUTION : The Power cord connected to the unit should be selected according
to the following specifications.
CAUTION : Tighten the nut and bolt to
prevent unit falling.
ENGLISH
Installation Manual 9
10 Indoor Unit
Installation
Suction Grille
Suction Grille
Suction Canvas
Air outlet Air outlet
Part name and functions
nB3/B4 Series : Built-in Duct type Control Box service
• Buit-in duct type with Suction Grille. • Buit-in duct type with Suction Grille and Suction
Canvas.
Dieses Handbuch passt für folgende Modelle
11
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