LG L2-C366BA0 Manual de usuario
LG
Air Conditioner
INSTALLATION MANUAL
LG
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
IMPORTANT
• Please read this installation manual completely before
installing the product.
• When the power cord is damaged, replacement work shall
be performed by authorized personnel only.
• Installation work must be performed in accordance with
the national wiring standards by authorized personnel
only.
2Multi Type Ceiling Duct Air Conditioner
Multi Type Ceiling Duct Air Conditioner Installation Manual
TABLE OF CONTENTS
Installation Parts Provided .........................................3
Safety Precautions ......................................................4
Installation of indoor, outdoor unit............................7
Connecting Pipes to the Indoor Unit.......................16
Connecting Pipes to the Outdoor Unit....................18
Checking the Drainage and Forming
the Piping...................................................................18
Connection of the Cable...........................................19
Air Purging of the Connecting Pipes and
the Indoor Unit...........................................................21
Group Control............................................................22
Two Thermistor System ............................................22
E.S.P (External Static Pressure) Setting.................23
How to set E.S.P?......................................................24
❏Level gauge
❏Screw driver
❏Electric drill
❏Hole core drill (ø50mm)
❏Horizontal meter
❏Flaring tool set
❏Specified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m, 6.6kg.m
(different depending on model No.)
❏Spanner .................Half union
❏A glass of water
❏Screw driver
❏Hexagonal wrench(4mm)
❏Gas-leak detector
❏Vacuum pump
❏Gauge manifold
❏Owner's manual
❏Thermometer
❏Holder Remote Control
Installation Requirements Required Tools
Installation Parts Provided
Installation Manual 3
Installation Parts Provided
Standard Type
Air filters
(Optional)
Air outlet vents
Air intake vents
Remote Controller
(Side)
(Rear)
Air intake
vents
Air outlet vents
Piping
Drain hose
Control cover
Connecting wire
Indoor Unit
Outdoor Unit
4Multi Type Ceiling Duct Air Conditioner
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.
■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
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.
Installation Manual 5
Safety Precautions
Always intstall a dedicated circuit and
breaker.
•Improper wiring or installation may cause fire
or electric shock.
Use the rated breaker or fuse correctly.
•There is risk of fire or electric shock.
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.
Do not store or use
flammable gas or
combustibles near the
prodcut.
•There is risk of fire or failure
of product.
Gasolin
6Multi Type Ceiling Duct Air Conditioner
Safety Precautions
CAUTION
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.
90°
Installation Manual 7
Installation of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit
Selection of the best location
1) Indoor unit
Select location
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 beleveled.
•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
2) Outdoor unit
•If an awning is built over the unit to prevent
direct sunlight or rain exposure, be careful that
heat radiation from the condenser is not
restricted.
•There should not be any animals or plants
which could be affected by hot air discharged.
•Ensure the spaces indicated by arrows from
the wall, ceiling, fence or other obstacles.
3) Piping length and the elevation
Indoor unit
Outdoor unit
B
A
H
600600
Top view
(unit: mm)
Front view
Front
Inspection hole
(600X600)
Control box
1000
More than
90cm
More than 90cm
More than 120cm
More than 90cm
More than
90cm
Fence or
obstacles
Fence or
obstacles
Fence or
obstacles
•Capacity is based on standard length and
maximun allowance length is on the basis of
reliability.
•Improper refrigerant charge may result in
abnormal cycle.
30
40
7.5
7.5
15
15
30
30
Gas
1/2
5/8
Liquid
1/4
1/4
*Additional
refrigerant
(g/m)
Standard
Length
(m)
Max.
Elevation
B (m)
Max.
Length
A (m)
Pipe Size
(Diameter: Ø)
Model
L2-C366BA0
L2-C486BA0
8Multi Type Ceiling Duct Air Conditioner
Installation of Indoor, Outdoor Unit
Indoor 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.
•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
performed.
CASE 1
POSITION OF SUSPENSION BOLT
CASE 2
POSITION OF CONSOLE BOLT
(Unit:mm)
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
C
1-3 mm D
(G)
H
I
EF
18K BTU/h 948 880 355 45.5 450 30 87 750 163
24K BTU/h
Dimension
Capacity
ABCDE F(G)HI
Installation Manual 9
Installation of Indoor, Outdoor Unit
•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 to prevent unit falling
10 Multi Type Ceiling Duct Air Conditioner
Installation of Indoor, Outdoor Unit
Ceiling
CAUTION
1~3mm
Drainage hole
Drainage hole
U-Trap
B
C
A ≥70mm
B ≥2C
C ≥2 x SP
SP = External Pressure
(mmAq)
Ex) External Pressure
= 10mmAq
A ≥70mm
B ≥40mm
C ≥20mm
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 drain 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.
•5mm 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 5mm.
•The unit must be horizontal or declined to the drain hose connected when finished
installation.
CORRECT
CORRECT
INCORRECT
INCORRECT
•Upward routing not
allowed
Este manual sirve para los siguientes modelos
1
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