LG MT06AH INSTALLATION INSTRUCTIONS
www.lg.com
INSTALLATION MANUAL
AIR
CONDITIONER
P/NO : MFL67855405
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.
[
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
For more information, Refer to the CD or LG Web site (www.lg.com).
CEILING CASSETTE
Original instruction
ENGLISH
ITALIANO
ESPAÑOL FRANÇAIS
DEUTSCH
ΕΛΛΗΝΙΚΆ
ČEŠTINA
NEDERLANDS
POLSKI
LIMBA ROMÂNĂ
2 Multi-Type Air Conditioner
Multi Type Air Conditioner Installation Manual
CONTENTS
Safety Precautions
..........................................................................................
3
Installation of Indoor
.......................................................................................
6
Test running
..................................................................................................
19
Optional Operation
........................................................................................
21
OUT-LINE OF INSTALLATION
1) Selection of the best location ......................6
2) Ceiling opening dimensions and hanging
bolt location(unit: mm).................................8
3) The Indoor Unit Installation .........................9
4) Remote Controller Installation ....................9
5) Wiring Connection.....................................12
ELECTRICAL WIRING..............................13
6) Connecting Pipes to the Indoor Unit .........14
PIPING CONNECTION.............................15
7) Installation of Decorative Panel.................16
8) Indoor Unit Drain Piping............................18
HEAT INSULATION...................................19
1) PRECAUTIONS IN TEST RUN.................19
CHECK THE FOLLOWING ITEMS WHEN
INSTALLATION IS COMPLETE
..................19
2) Connection of power supply......................20
3) Evaluation of the performance ..................20
1) Test Run Mode..........................................21
2) Setting Address of Central Control............22
3) Thermistor ................................................23
4) Ceiling Height Selection............................24
5) Group Setting............................................25
6) Dry Contact Mode Setting.........................26
7) Celsius / Fahrenheit Switching..................27
8) Optional Function Setting..........................28
Installer Setting Code Table ..........................29
Safety Precautions
Installation Manual 3
ENGLISH
To prevent injury to the user or other people and property damage, the following instructions
must be followed.
n
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness
is classified by the following indications.
n Meanings 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.
WARNING
Be sure not to do.
Be sure to follow the instruction.
Safety Precautions
n Installation
Do not use a defective
or underrated 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 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.
4 Multi-Type Air Conditioner
Safety Precautions
Do not modify or
extend the power cable.
• There is risk of fire or
electric shock.
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 conditioner could fall
with it, causing property
damage, product failure,
and personal injury.
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.
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 risk of fire or failure of product.
n Operation
Do not store or use flammable gas or combustibles near the product.
• There is risk of fire or failure of product.
Safety Precautions
Installation Manual 5
ENGLISH
CAUTION
n 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.
6 Multi-Type Air Conditioner
Installation of Indoo
Installation of Indoor
1. 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
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.
Selection of the best location
Unit:cm
Ceiling
Ceiling Board
Ceiling Board
30 or more
Above 250
330 or less
100
or more
50 or
more
50 or
more
30 or less
Floor
Unit:cm
Ceiling
Ceiling Board
Ceiling Board
20 or more
Above 250
330 or less
100
or more
50 or
more
50 or
more
30 or less
Floor
h Please use an annexed sheet or the corru-
gated cardboard on the bottom of packing as
installation sheet.
h When using the bottom sheet, please use it
after separating the installation sheet from
packing of the product floor by using a knife
etc as a picture below.
Annexed sheet
Or
Packing corrugated
cardboard on the
bottom
Installation of Indoor
Installation Manual 7
ENGLISH
• 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 wall.
CAUTION:
•
This air-conditioner uses a drain pump.
• Horizontly install the unit using a level
gauge.
•
During the installation, care should be
taken not to damage electric wires.
Ceiling opening dimensions and hanging bolt location
• The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions.
Ceiling board
Level gauge
Ceiling
1,000 (Ceiling opening)
931.6
893.4 (Hanging bolt)
330 (Hanging bolt)
860
390
60
450 (Ceiling opening)
60
Unit: mm
585~660
517
461
517
585~660
523
570
570
319
Unit: mm
875
787
684
671
875
840
840
Set screw of
paper model (4 pieces)
Paper model
for installation
Ceiling board
150mm
Adjust the same height
Ceiling board
Ceiling
Flat washer for M10
(accessory)
Keep the length of the bolt
from the bracket to 40mm
Open the ceiling board
along the outer edge of the
paper model
Flat washer for M10
(accessory)
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
Air Conditioner body
Installation of Indoor
The Indoor Unit Installation
8 Multi-Type Air Conditioner
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.
• Thoroughly study the following installation locations:
1. In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere
to the turbo fan, the fin of the heat exchanger and the drain pump, resulting in heat exchange
reduction, spraying, dispersing of water drops, drain pump malfunction, 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 oily steam.
Use the ventilation fan
for smoke-collecting
hood with sufficient
capacity.
Cooking table
Air conditioner
Take enough
distance
NOTICE
Hanging bolt
Installation Manual 9
Installation of Indoor
ENGLISH
• The following parts is option.
① Hanging Bolt - W 3/8 or M10
② Nut - W 3/8 or M10
③ Spring Washer - M10
④ Plate Washer - M10
CAUTION:
Tighten the nut and bolt
to prevent unit falling.
• Drill the piping hole on the wall slightly tilted to the
outdoor side using a Ø 70 hole-core drill.
*( ) → TQ/TR : 31~34mm
TP : 15mm
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
Keep the length of the bolt
from the bracket to 40mm
Flat washer for M10
(accessory)
Flat washer for M10
(accessory)
Nut
(W3/8 or M10)
Ceiling board
Adjust the same height
Ceiling
Air Conditioner body
Keep the length of *( )mm between
the air conditioner bottom surface
and the ceiling surface
Paper model
for installation
Ceiling board
Set screw of
paper model (4 pieces)
Open the ceiling board
along the outer edge of the
paper model
90mm
Wall
Indoor Outdoor
5~7mm
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