LG LZ-H100GXN4 INSTALLATION INSTRUCTIONS
www.lg.com
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
INSTALLATION MANUAL
AIR
CONDITIONER
P/NO : MFL69268904
For more information, Refer to the CD or LG Web site (www.lg.com).
VENTILATOR
Original instruction
ENGLISH ITALIANO ESPAÑOL
FRANÇAIS DEUTSCH
ΕΛΛΗΝΙΚΆ
ČEŠTINA
NEDERLANDS
POLSKI
LIMBA ROMÂNĂ
2 Ventilator
Ventilator Installation Manual
TABLE OF CONTENTS
Safety Precaution.................3
Introduction ..........................8
Feature Dimension
Diagram...............................8
Standard drawing of installa-
tion ........................................9
Installation ..........................11
Selection of the best
location ..............................11
Ceiling dimension and hang-
ing bolt location .................12
Indoor Unit Installation.......13
Drain Piping and Water Sup-
ply Work..............................15
Check the drainage ...........16
Install the water supply
piping.................................16
Insulate all piping that
passes indoors ..................17
Duct Connection ................18
Connecting Pipes...............19
Preparation of Piping.........19
Connecting the pipings to the
indoor unit and drain hose to
drain pipe...........................20
Insulation, Others ..............20
Wiring Connection .............21
Electrical Wiring
..................21
Method to Connect Wiring
...23
Wiring for the Humidity Regu-
lator (Locally Procured) .....25
Wiring Example .................26
Installer Setting and
Test Run
...............................27
Installer setting - How to enter
installer setting mode
.........27
Installer Setting – Function
explanation ........................29
Run the humidifier .............31
In case of finding a problem at
a test run
..............................32
Airborne Noise Emission
.....32
Limiting concentration ..........32
• Screws
• Nuts
• Ceiling Fixing Bolt(M10~12)
• Washer
• Aluminium Tape
• Screws
• Screw Driver
• Spanner
• Cutter
• Cutter
• Screw Driver
Installation
Requirements
Required Parts Required Tools
Safety Precautions
Installation Manual 3
ENGLISH
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions
must be followed.
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
CAUTION
This symbol indicates the possibility of injury or damage.
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.
WARNING
Do not modify or
extend the power
cable.
• There is risk of fire or
electric shock.
Do not install,
remove, or re-install
the unit by yourself
(customer).
• There is risk of fire,
electric shock, explosion, or injury.
Be cautious when
unpacking and
installing the product.
• Sharp edges could
cause injury.
Safety Precautions
4 Ventilator
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.
Do not let the product
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.
Install the air intake
where polluted air
can not be directly
sucked in.
• It may cause various
accidents, including suffocation, due to the suction of harmful
gasses(CO, etc.)
Do not install this
product in a refrigerated warehouse,
heated swimming
pool or other location
where the temperature and humidity are
significantly different.
• There is risk of electrical
shock, malfunctioning.
Install this product in
an environment
where the temperature ranges from
–15°C to +45°C and
the relative humidity
is less than 80%. It
condensation is
expected to form,
heat up the fresh outside air using a duct
heater etc.
For re-installation of
the installed product,
always contact the
dealer or an Authorized Service Center.
• There is risk of fire,
electric shock, explosion
or injury.
Do not open the
maintenance cover of
the main body during
operation.
• Otherwise, it may cause
electrical shock.
Use the outdoor air
suction hole with the
net installed to
ensure that birds
could not come in.
• Remove estrange things
like the bird’s nest. Otherwise, it may cause
scarcity of indoor oxygen.
Safety Precautions
Installation Manual 5
ENGLISH
Install this product in
and environments
where the outside air
intake meets the following conditions:
temperature range is
between –15°C and
+40°C and the relative humidity is 80%
or less.
Use the designated
electrical wires for
the terminal board
connections, and
connect the wires
securely so that they
will not become disconnected. (Failure
to ensure proper connections may cause
fire.)
When passing metal
ducts through wooden buildings clad
with metal laths, wire
laths or metal, these
ducts must be
installed in such a
way that they will not
make electrical contact with the metal
laths, wire laths or
metal sheets. (Power
leakage can cause
ignition)
Avoid fire equipment
• There is risk of fire.
When the product is
soaked (flooded or
submerged), contact
an Authorized Service
Center.
• There is risk of fire or
eletric shock.
Don't touch a dedicated circuit or breaker
with wet hands.
• There is risk of electric
shock.
Operation
When the product is
not 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.
Do not store or use
flammable gas or
combustibles near
the product.
• There is risk of fire or
failure of product.
When flammable gas
leaks, turn off the gas
and open a window
for ventilation before
turn the product on.
• Do not use the telephone or turn switches
on or off. There is risk
of explosion or fire
Safety Precautions
6 Ventilator
CAUTION
Don't connect the
ground wire to the window frame or water
cock.
• There is risk of electric
shock.
Do not install the product at a smoky and oily
place like kitchen or
factory.
• Otherwise. oil may
adhere to the filter or
heating exchanger and
cause trouble.
Install the product in
an insulated space
from outdoor air.
• In case of installing the
product outside of the
insulated layer, dewing
occurs inside of the
main body in winter.And
it causes electrical
shock or falling of condensed water.
Installation
Glove should be worn when doing the installation work. (There is risk of
injury.)
Be cautious that
water could not enter
the product.
• There is risk of fire,
electric shock, or product damage.
Turn the breaker off
when cleaning or
maintaining the product.
• There is risk of electric
shock.
The outside ducts
must be tilted at a
gradient (1/30 or
more) down toward
the outdoor area
from the ventilator
unit, and properly
insulated. (The entry
of rain water may
cause power leaks,
fire or damage to
household property.)
Safety Precautions
Installation Manual 7
ENGLISH
Keep level even when
installing the product.
• To avoid vibration or
water leakage.
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.
Use a soft cloth to
clean. Do not use
harsh detergents, wax
or thinner, etc.
• Otherwise, color or surface of the oroduct mav
deteriorate.
Clean the filter and the
heat exchanger regularly and use the
gloves for cleaning.
• Adhering to a mass of
dust may cause the
deterioration of air volume.
Do not use the product for special purposes, such as preserving
foods, works of art,
etc. It is a consumer
ventilator, not a precision refrigeration system.
• There is risk of damage
or loss of property.
Operation
Do not block the inlet or outlet of
air flow.
• It may cause product failure.
Do not step on or put anyting on
the product.
• There is risk of personal injury and
failure of product.
Do not install the ventilation unit alone for controlling room temperature.
• If this is needed, install with another Indoor unit (air conditioner).
Introduction
8 Ventilator
Introduction
Feature Dimension Diagram
Model : LZ-H050GXN4, LZ-H080GXN4, LZ-H100GXN4
LZ-H050GXH4, LZ-H080GXH4, LZ-H100GXH4
Model
1667 1140 365 599 1006 1204 185 242 252 74 510 488 449 70 67 278 29 55 83 1239 105
ABCD EFGHJ KLMNPQRSTU Vkg
LZ-H050GXN4/LZ-H050GXH4
LZ-H080GXN4/LZ-H080GXH4
LZ-H100GXN4/LZ-H100GXH4
Figure Duct Pitch
Pipe Connec-
tion
Drain Hose
Connection
Water Supply Pip-
ing Connection
Wei-
ght
Width
Pitch of Suspension
Fixture
Duct Connection
Flange
Unit : mm
Application tools
(CMH)
Standard drawing of installation
Installation Manual 9
ENGLISH
Standard drawing of installation
LZ-H050GXN4 / LZ-H080GXN4 / LZ-H100GXN4
EA
(Exaust air outlet)
OA
(Fresh air outlet)
Duct normal diameter
ØC(user-supplied)
EA
(Exaust air outlet)
(Fresh air outlet)
OA
Ceiling suspension
bolts position
More than 600
150~250
C
Refrigerant piping (Gas pipe)
(Φ12.7 Flare connection)
Duct slope: More than 1/30(toward the wall)
Obtaining of right distance
(preventing penetration of rain water)
A
B
Inspection
hatch
Inspection part
450( 600)
Inspection
hatch
600
600600
150~200
Maintenance space
Total heat Exchanger
()
Air Filter
Ceiling Fixing Bolt
(user-supplied)
Refrigerant piping
(Liquid pipe)
(Φ 6.35 Flare con
nection)
C
Drain pipe
(Inner diameter : 25.4)
Sloping downwards at a
Gradient of the 1/100
RA
(Return air)
Air return grille
(user-supplied)
Air return grille
Air supply grille
(user-supplied)
Y duct connecting
(user-supplied)
SA
(Supply air)SA(Supply air)
Air supply grille
LZ-H050GXN4
LZ-H080GXN4
LZ-H100GXN4
[Unit : mm]
CBAModel
25012041006
Standard drawing of installation
10 Ventilator
LZ-H050GXH4 / LZ-H080GXH4 / LZ-H100GXH4
CBAModel
LZ-H050GXH4
LZ-H080GXH4
LZ-H100GXH4
[Unit : mm]
Duct slope: More than 1/30(toward the wall)
Obtaining of right distance
(preventing penetration of rain water)
Ceiling Fixing Bolt
(user-supplied)
Air supply grille
Air return grille
Inspection hatch
Duct normal diameter
ØC(user-supplied)
EA
(Exaust air outlet)
OA
(Fresh air outlet)
RA
(Return air)
SA
(Supply air)
SA
(Supply air)
C
C
Water supply
shut-off valve
(user-supplied)
Drain valve
(user-supplied)
Strainer
(user-supplied)
Refrigerant piping (Liquid pipe)
(Ø 6.35 Flare connection)
Sloping downwards at a
Drain pipe
(Inner diameter : 25.4)
Feed water pipe
(Φ6.35 Flare connection)
Gradient of the 1/100
Cistern Tank
Refrigerant piping (Gas pipe)
(Ø12.7 Flare connection)
25012041006
EA
(Exaust air outlet)
OA
(Fresh air outlet)
Ceiling suspension
bolts position
Maintenance space
Total heat Exchanger
Air Filter
Air supply grille
(user-supplied)
Air return grille
(user-supplied)
Y duct connecting
(user-supplied)
()
Inspection
hatch
Inspection
hatch
150~250
More than 600
150~200
600600
600
B
A
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