LG Multi V 2 Series Manuel utilisateur
System
Indoor Unit (2 Series)
INSTALLATION MANUAL
LG
Type: Ceiling Concealed Duct - High Static
IMPORTANT
• 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.
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
2Indoor Unit
Ceiling Concealed Duct - High Static Type Indoor Unit Installation Manual
TABLE OF CONTENTS
❏Four type "A" screws
❏Connecting cable
❏Pipes: Gas side
Liquid side
(Refer to Product Data)
❏Insulation materials
❏Additional drain pipe
❏Level gauge
❏Screw driver
❏Electric drill
❏Hole core drill
❏Flaring tool set
❏Specified torque wrenches
(different depending on model No.)
❏Spanner.......Half union
❏A glass of water
❏Screw driver
❏Hexagonal wrench
❏Gas-leak detector
❏Vacuum pump
❏Gauge manifold
❏Owner's manual
❏Thermometer
Features...................................3
Safety Precautions.................4
Installation
Selection the best location ....7
Ceiling opening dimension
and hanging bolt location......8
Indoor Unit Installation...........9
Wiring Connection.................9
Checking the Drainage........10
Installation of Remote con-
troller.....................................13
Optional Operation of Wired
Remote Controller ...............15
How to Set E.S.P?................16
Installation Requirements Required Parts Required Tools
Installation Manual 3
Feature
ENGLISH
Air filters
Wired Remote Controller
Air intake vents
Air outlet vents
RemoteController
TEMP
Features
4Indoor Unit
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
■Be sure to read before installing the air conditioner.
■Be sure to observe the cautions specified here as they include important items related to safety.
■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the
following indications.
■Meanings of symbols used in this manual are as shown below.
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.
■Installation
Do not use a defective or under-
rated circuit breaker. Use this
appliance on a dedicated circuit.
• There is risk of fire or electric shock.
For electrical work, contact the
dealer, seller, a qualified electri-
cian, or an Authorized Service
Center.
• Do not disassemble or repair the
product. There is risk of fire or elec-
tric 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 cir-
cuit 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.
Installation Manual 5
Safety Precautions
ENGLISH
■Operation
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.
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 condi-
tioner could fall with it, causing prop-
erty 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.
Gasolin
6Indoor Unit
Safety Precautions
Always check for gas (refriger-
ant) 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 prop-
erly.
• 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 out-
door 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 con-
denser and evaporator fins, could
cause product malfunction or inefficient
operation.
90˚
■Installation
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.
Installation Manual 7
Installation
ENGLISH
Install the air conditioner in the location that satisfies 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 allow easy water drainage.(Suitable dimension “H”is necessary to get a slope to drain as
figure.)
•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.
Read completely, then follow step by step.
Top view
(unit: mm)
H
Front view
600600
Front
Inspection hole
(600X600)
Control box
1000
Installation
Selection of the best location
CAUTION : In case that the unit is installed near the sea, the installation parts
may be corroded by salt, The installation parts (and the unit) should be taken
appropriate anti-corrosion measures.
8Indoor Unit
Installation
■Installation of Unit
Install the unit above the ceiling correctly.
•Apply a joint-canvas between the unit and duct to
absorb unnecessary vibration.
•Install the unit leaning to a drainage hole side as a fig-
ure 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 vibration.
•A place where service can be easily performed.
CASE 1
POSITION OF SUSPENSION BOLT
CASE 2
POSITION OF CONSOLE BOLT
Drainage hole
M10 Nut
M10 SP. washer
M10 washer
X 4
X 4 (Local
supply)
X 4
M10 Nut
M10 SP. washer
M10 washer
X 4
X 4 (Local
supply)
X 4
A
B
CD
(G)
H
I
EF
B8 Chassis
BH/BG/BR Chassis
•Throughly study the following installation locations:
1. In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the fan, the fin of the
heat exchanger, resulting in heat exchange reduction, spraying, dispersing of water drops, etc.
In these cases, take the following actions:
•Make sure that the ventilation fan for smoke-collecting hood on a cooking table has sufficient capacity so that it draws oily
steam which should not flow into the suction of the air conditioner.
•Make enough distance from a cooking room to install the air conditioner in such a place where it may not suck in oil
steam.
2. Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is in suspension in factories, etc.
3. Avoid places where inflammable gas is generated, flows in, is stored or vented.
4. Avoid places where sulfurous acid gas or corrosive gas is generated.
5. Avoid places near high frequency generators.
NOTICE
Ceiling dimension and hanging bolt location
(Unit:mm)
ABCDEFGHI JKL
76/96k
1680 1565 1160 330 460 580 700 1400 1635 390 445 15
Dimension
Capacity(Btu/h)
(Unit:mm)
ABCDEF(G)HI
7/9/12/15/18/24k
932 882 355 47 450 30 87 750 158
28/36/42k
1232 1182 355 47 450 30 87 830 186
48k 1282 1230 477 56 590 30 120 1006 294
Dimension
Capacity(Btu/h)
Installation Manual 9
Installation
ENGLISH
•Select and mark the position for fixing bolts.
•Drill the hole for set anchor on the face of ceiling. •Insert the set anchor and washer onto the suspen-
sion bolts for locking the suspension bolts on the
ceiling.
•
Mount the suspension bolts to the set anchor firmly.
•Secure the installation plates onto the suspension
bolts (adjust level roughly) using nuts, washers
and spring washers.
1 Set anchor
Old building New building
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
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.
Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3) For the cooling model, fix the other side of the clamp with a screw strongly. For the heat pump model, put the
0.75mm2 cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control
panel.
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
CAUTION : Tighten the nut and bolt
to prevent unit falling.
WARNING : Make sure that the screws of the terminal are free from looseness.
10 Indoor Unit
Installation
1. Remove the Air Filter.
2. Check the drainage.
•Spray one or two glasses of water upon the
evaporator.
•Ensure that water flows drain hose of indoor
unit without any leakage.
Checking the Drainage
INSULATION, OTHERS Insulate the joint and tubes completely.
All thermal insulation must comply with local requirement.
INDOOR UNIT
THERMAL INSULATION
Make sure that there is no clearance here.
Overlap with thermal
insulator for piping.
Thermal insulator for refrigerant pipe
(Local supply) Thermal insulator for
piping(Local supply)
Hose crip for thermal insulator(Local supply)
Union for liquid pipe
Refrigerant pipe and thermal
insulator(Local supply)
Union for gas pipe
Thermal insulator for refrigerant pipe
(Local supply)
Hose crip for thermal insulator
(Local supply)
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