LG L8UC150BFE1.AWGBLAT Installation guide

LG
Brand
LG
Model
L8UC150BFE1.AWGBLAT
Category
Split-system air conditioners
Type
Installation guide

This manual is also suitable for

P/NO : 3828A20480C
www.lg.com
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.
TYPE : Multi
ENGLISH ESPAÑOL
2 Multi Type Air Conditioner
Multi Type Air Conditioner Installation Manual
TABLE OF CONTENTS
Safety Precautions .....3
Installation of Indoor,
Outdoor unit................6
Indoor Unit installation
......................................9
Wired Remote Controller
Installation
..................18
Wiring Connection....19
Connecting the Cable
between Indoor Unit
and Outdoor Unit ......20
Installation of
Decorative Panel.......24
Indoor Unit Drain
Piping.........................25
Air Purging and
Evacuation.................28
Test Running .............30
Optional Operation ...32
Installation guide at the
seaside ......................37
•
Connecting cable
• Four Type "A" Screw
• Hanging Bolt
(W 3/8 or M10 length 650 mm)
• Pipes: Gas side
Liquid side
• Insulated drain hose
• Additional Drain hose
Inner Dia
Cassette type............32 mm
Duct type...................25 mm
Convertible type........25 mm
•
Level
•
Screw driver
•
Electric drill
•
Hole core drill (ø70 mm)
• Flaring Tools set
• Torque Wrenches
• Hexagonal Wrench (4 mm, 5 mm)
• Gas-leak detector
•
Owner’s Manual
•
Thermometer
Installation
Requirements
Required Parts Required Tools
Safety Precautions
Installation Manual 3
ENGLISH
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.
■ 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
■ Installation
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.
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.
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.
■ Operation
G
asolin
Do not store or use flammable gas or
combustibles near the product.
• There is risk of fire or failure of product.
It is recommended to install the indoor unit
into the one big space, rather than into the
some small spaces.
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.
Installation Manual 5
ENGLISH
Safety Precautions
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.
CAUTION
90˚
■ Installation
6 Multi Type Air Conditioner
Installation of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit
1. Indoor unit
Cassette type
• 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.
Duct type
• 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
Selection of the best location
Unit:mm
Ceiling
Ceiling Board
Ceiling Board
20 or more
1500
or more
500 or
more
H
500 or
more
Floor
H
600
600
Top view
(unit: mm)
Front view
Front
Inspection Hole
(600X600)
Inspection Hole
(600X600)
Control box
1000
Installation of Indoor, Outdoor Unit
Installation Manual 7
ENGLISH
Wall Mounted Type
1. Do not have any heat or steam near the unit.
2. Select a place where there are no obstacles
in front of the unit.
3. Make sure that condensation drainage can
be conveniently routed away.
4. Do not install near a doorway.
5. Ensure the spaces indicated by arrows from
the wall, ceiling, fence or other obstacles.
6. Use a stud finder to locate studs to prevent
unnecessary damage to the wall.
2. Outdoor unit
1. 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.
2. Ensure that the spaces indicated by arrows
around front, back and side of the unit.
3. Do not place animals and plants in the path
of the warm air.
4. Take the air conditioner weight into account
and select a place where noise and vibration
are minimum.
5. Select a place so that the warm air and noise
from the air conditioner do not disturb
neighbors.
Rooftop Installations:
If the outdoor unit is installed on a roof
structure, be sure to level the unit. Ensure the
roof structure and anchoring method are
adequate for the unit location. Consult local
codes regarding rooftop mounting.
More than 20 cm
More than
10 cm
Higher than eye-level
Higher than eye-level
More than
10 cm
More than 20 cm
More than 10 cm
More than 10 cm
more than
90 cm
more than
50 cm
more than
90 cm
more than
50 cm
CAUTION: Install the indoor unit
on the wall where the height from
the floors more than 2.3 meters.
8 Multi Type Air Conditioner
Installation of Indoor, Outdoor Unit
Distributor Type (m)
Additional Refrigerant Charging Amount
Piping length and elevation
h3
h1
h2
A
B
Branch Pipe
Main Pipe
Distributor
L8UC/H100BFA0
With Distributor
60 A = 30 30 15 h1=30 10
None Distributor
50 B = 50 - - h2=30 10
L8UC100BFA1
With Distributor
110 A = 50 60 30 h1=45 10
None Distributor
50 B = 50 - - h2=45 10
L8UC150BFA1
With Distributor
110 A = 50 60 30 h1=45 10
L8UC150BFE1
Total Length
Max Main Pipe
Length (A/B)
Total Branch
Pipe Length
Max Branch
Pipe Length
Max Elevation
(h1/h2)
Indoor - Indoor
Elevation (h3)
Model
48 kBtu/h Ø19.05 Ø9.52 50
Main Pipe 60 kBtu/h Ø19.05 Ø9.52 50
90 kBtu/h Ø25.4 Ø12.7 120
12/18 kBtu/h Ø12.7 Ø6.35 20
Branch Pipe 24/30/36 kBtu/h Ø15.88 Ø6.35 30
48 kBtu/h Ø19.05 Ø9.52 50
Additional
Refrigerant
(g/m)
Connecting Pipe
Diameter [mm]
Gas Liquid
Installation Manual 9
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.
• 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.
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
Indoor Unit Installation
• The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions.
Ceiling board
Level gauge
Ceiling
Use the ventilation fan
for smoke-collecting
hood with sufficient
capacity.
Cooking table
Air conditioner
Take enough
distance
Unit:mm
744 Unit size
744 Unit size
658 (Hanging bolt)
6666
790 (Ceiling opening)
790 (Ceiling opening)
572(Hanging bolt)
109
109
Unit:mm
570 Unit size
570 Unit size
450 (Hanging bolt)
7575
600 (Ceiling opening)
600 (Ceiling opening)
521(Hanging bolt)
39.5
39.5
Unit:mm
840 Unit size
840 Unit size
672 (Hanging bolt)
101.5101.5
875 (Ceiling opening)
875 (Ceiling opening)
785 (Hanging bolt)
45
45
TE TF TD
Indoor Unit Installation
1. Cassette type
10 Multi Type Air Conditioner
Indoor Unit Installation
• 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.
Indoor Unit Installation
Installation Manual 11
ENGLISH
2. Duct type
• 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
vibration.
• A place where service can be easily
perfor
med.
CASE 1
POSITION OF SUSPENSION BOLT
CASE 2
POSITION OF CONSOLE BOLT
(Unit:mm)
Drainage Hole
M10 Nut
M10 SP. washer
M10 washer
X 8
X 4
(Local
supply)
X 4
M10 Nut
M10 SP. washer
M10 washer
X 4
X 4
(Local
supply)
X 8
A
B
C
D
(G)
H
I
EF
Dimension
Capacity
ABCDEF(G)HI
18 kBtu/h
24 kBtu/h
30 kBtu/h
36 kBtu/h
48 kBtu/h
932 880 355 45.5 450 30 87 750 163
1 232 1 182 355 45.5 450 30 87 830 186
1 292 1 230 477 56 590 30 120 1 006 294
12 Multi Type Air Conditioner
Indoor Unit Installation
• 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 suspension 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
• Local supply
Set anchor
Plate washer - M10
Spring washer - M10
Nut - W3/8 or M10
Suspension bolt - W3/8 or M10
CAUTION:
Tighten the nut and bolt top
revent unit falling.
Indoor Unit Installation
Installation Manual 13
ENGLISH
Ceiling
CAUTION
1~3 mm
Drainage hole
Drainage hole
U-Trap
B
C
A ≥ 70 mm
B ≥ 2C
C ≥ 2 x SP
SP = External Pressure
(mmAq)
Ex) External Pressure
= 10 mmAq
A ≥ 70 mm
B ≥ 40 mm
C ≥ 20 mm
A
Make sure to be closed.
Unit
Drainage pipe
(Local supply)
Thermal insulator
(Local supply)
Drainage hole
CAUTION FOR GRADIENT OF
UNIT AND DRAIN PIPING
Lay the drain hose with a downward
inclination so water will dr
ain out.
Front of view
• Always lay the drain with downward
inclination (1/50 to 1/100).
Prevent any upward flow or reverse flow
in any part.
• 10 mm or thicker formed thermal insulator
shall always be provided for the drain
pipe.
• Install the P-Trap (or U-Trap) to prevent
a water leakage caused by the blocking
of intake air filter.
Applied U-Trap Dimension
1. Install declination of the indoor unit is very important for the drain of the duct type air
conditioner.
2. Minimum thickness of the insulation for the connecting pipe shall be 10 mm.
• The unit must be horizontal or declined to the drain hose connected when finished
installation.
CORRECT
CORRECT
INCORRECT
INCORRECT
• Upward routing not
allowed
14 Multi Type Air Conditioner
Indoor Unit Installation
1. Route the indoor tubing and the drain hose in
the direction of rear left or right
2. Tape the tubing, drain hose and the
connecting cable. Be sure that the drain hose
is located at the lowest side of the bundle.
Locating at the upper side can cause drain
pan to overflow inside the unit.
Drain hose
Connecting
cable
Loop
Gas side
piping
Liquid side
piping
Drain hose
CAUTION: If the drain hose is routed inside the room, insulate the hose with
an insulation material* so that dripping from "sweating"(condensation) will
not damage furniture or floors.
*Foamed polyethylene or equivalent is recommended.
Preparing the indoor unit's piping and drain hose for installation through the wall.
3. Wall Mounted type
■
Connection of piping - Indoor
Indoor Unit Installation
Installation Manual 15
ENGLISH
■ Indoor unit installation
1. Hook the indoor unit onto the upper portion of
the installation plate.(Engage the two hooks
of the rear top of the indoor unit with the
upper edge of the installation plate.) Ensure
that the hooks are properly seated on the
installation plate by moving it left and right.
Press the lower left and right sides of the unit
against the installation plate until the hooks
engage into their slots(clicking sound).
Connecting the pipings to the in
door unit and drain hose to drain
pipe
1. Align the center of the pipings and sufficiently
tighten the flare nut by hand.
2. Tighten the flare nut with a wrench.
3. When extending the drain hose at the indoor
unit, install the drain pipe.
Wrap the insulation material
around the connecting portion.
1. Overlap the connection pipe insulation
material and the indoor unit pipe insulation
material. Bind them together with vinyl tape
so that there is no gap.
2. Wrap the area which accommodates the rear
piping housing section with vinyl tape.
: Recommended Insulation material
Meterial: FOAM PE
Thickness: 10 mm
Density: less than 0.032 ±0.005(g/cm
3
)
Thermal conductivity: less than 0.03
(kcal/m.h.°C)
NOTICE
Drain hose
Connecting
cable
Indoor unit tubing Flare nut Pipings
Torque wrench
Indoor unit tubing
Spanner (fixed)
Connection pipe
Flare nut
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
Plastic bands
Insulation material
Vinyl tape(narrow)
Connection
pipe
Connecting cable
Vinyl tape
(wide)
Wrap with vinyl tape
Indoor
unit pipe
Pipe
mm inch kgf
.
cm
Ø6.35 1/4 180~250
Ø9.52 3.8 340~420
Ø12.7 1/2 550~560
Ø15.88 5/8 630~820
Ø19.05 3/4 990~1 210
Outside diameter Torque
16 Multi Type Air Conditioner
Indoor Unit Installation
3. Bundle the piping and drain hose together by
wrapping them with vinyl tape over the range
within which they fit into the rear piping
housing section.
Good case
• Press on the upper side of clamp and unfold
the tubing to downward slowly.
Bad case
• Following bending type from left to right could
cause problem of pipe damage.
Wrap with vinyl tape
Drain hose
Pipe
Vinyl tape(wide)
CAUTION: Installation Information (For right piping)
For right piping, follow the instruction below.
Indoor Unit Installation
Installation Manual 17
ENGLISH
The wall you select should be strong and
solid enough to prevent vibration
1. Mount the installation plate on the wall with
type "A" screws. If mounting the unit on a
concrete wall, use anchor bolts.
• Mount the installation plate horizontally by
aligning the centerline using a level.
2. Measure the wall and mark the centerline.
It is also important to use caution
concerning the location of the installation
plate-routing of the wiring to power outlets
is through the walls typically. Drilling the
hole through the wall for piping connections
must be done safely.
How to fix installation plate
Installation Plate
Type "A" screw
Installation plate
Ø70mm
Left rear piping Right rear piping
C
D
B
A
Ø70mm
(SR, ST, SU)
Left rear piping Right rear piping
B
A
D
C
Installation plate
(S3)
SR(12 kBtu/h) 0 40 20 40
ST(18 kBtu/h~24 kBtu/h) 105 0 210 0
SU(12 kBtu/h) 92 44 67 44
S3(18 kBtu/h~24 kBtu/h) 58 3 292 3
CHASSIS (Capacity)
Distance (mm)
ABCD
18 Multi Type Air Conditioner
Remote Controller Preparation
Remote control
box body
Cord clamp
(accessory)
Lever carefully
the box open
using a screw
driver, etc.
Front case
The lower part
Face of wall
Under plate
Screw (accessory)
Wired Remote Controller Installation
HOW TO MOUNT ONTO A WALL
HOW TO INSERT BATTERIES
1. Remove the battery cover from the remote
controller.
• Slide the cover according to the arrow direction.
2. Insert the two batteries.
• Be sure that the (+) and (-) directions are
correct.
• Be sure that both batteries are new.
3. Re-attach the cover.
• Slide it back into position.
• Fix the under plate on the wall
• Separate the under plate from Remote control box.
• Fix the cord clamps on the wall by
ø 3 tapping screws (accessory).
• Fix the remote control cord.
DISASSEMBLING
ELECTRICAL WIRING
Wire and make sure that terminal
numbers are matched on unit side and
remote controller side.
The maximum length of the cord is 100 m.
If the length of the cord exceeds 50 m,
use a wire size greater than 0.5 mm
2
.
Remote controller
(Main board)
CN REMO
• Do not use rechargeable
batteries, such batteries differ
from standard dry cells in
shape, dimensions, and
performance.
• Romove the batteries from the
remote controller if the air
conditioner is not going to be
used for some long time.
Wired Remote Controller Installation
[Air inlet side view]
Control box cover
Indoor
power cord
Remote
controller
cord
Control box cover screw
Installation Manual 19
ENGLISH
Wiring Connection
• Open the control box cover and connect the Remote controller cord and Indoor power
Wiring Connection
20 Multi Type Air Conditioner
Connecting the Cable between Indoor Unit and Outdoor Unit
Connecting the Cable between Indoor Unit and Outdoor Unit
Connect the cable to the indoor unit by connecting the wires to the terminals on the control
board individually according to the outdoor unit connection. (Ensure that the color of the wires
of the outdoor unit and the terminal No. are the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
The circuit diagram is not subject to change without notice.
When installing, refer to the circuit diagram behind the panel front of Indoor Unit the wiring
diagram on the Control Cover Inside Outdoor Unit.
Connect the cable to the Indoor unit.
CAUTION:
• The circuit diagram is not subject to change without notice.
• Be sure to connect wires according to the wiring diagram.
• Connect the wires firmly, so that not to be pulled out easily.
• Connect the wires according to color codes by referring the wiring diagram.
CAUTION: Provide a circuit
breaker between power source
and the unit as shown below.
CAUTION:
The power cord connected to the outdoor unit (Main Power Cable)
should be complied with the following specifications (UL,ETL recognized or
CSA certified).
The power connecting cable connected to the indoor and outdoor unit
should be complied with the following specifications (UL,ETL recognized or
CSA certified).
Air
Conditioner
Main power source
Circuit Breaker
Use a circuit breaker
or time delay fuse.
GN/YL
20mm
GN/YL
20mm
1Ø 3Ø
100 kBtu/h 150 kBtu/h
8.5 14
Cable Type
H05RN-F
NORMAL CROSS
SECTIONAL AREA
Grade
(mm
2
)
0.75
Cable Type(B) H05VV-F
NORMAL CROSS
SECTIONAL AREA
Grade
(mm
2
)
GN/YL
20mm
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LG L8UC150BFE1.AWGBLAT Installation guide

LG
Brand
LG
Model
L8UC150BFE1.AWGBLAT
Category
Split-system air conditioners
Type
Installation guide
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