LG LVNH246BLA1 User manual

ENGLISH
êÛÒÒÍËÈ
LG
Air Conditioner
INSTALLATION MANUAL
LG
IMPORTANT
• Please read this instruction 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 : Convertible

2Convertible Air Conditioner
Convertible Air Conditioner Installation Manual
TABLE OF CONTENTS
Safety Precautions .....3
Installation of Indoor,
Outdoor unit................5
Connecting Pipes to the
Indoor Unit ................14
Connecting Pipes to the
Outdoor Unit .............22
Checking the Drainage
....................................22
Connecting Cables
between Indoor Unit and
Outdoor Unit .............24
Air Purging of the
Connecting Pipes and the
Indoor Unit ...............27
Test running..............29
Installation guide
at the seaside............30
•
Installation Plate
• Four Type “A” screws
• Connecting cable
• Pipes: Gas side
Liquid side
• Insulated drain hose
• Insulation materials
•
Additional Drain hose
(Inner Dia...............25mm)
• Two type “B” screws
• Level
• Screw driver
• Electric drill
• Hole core drill (ø70mm)
• Flaring Tools set
• Specified Torque Wrenches
•
Specified Torque Wrenches
• Screw driver
• Hexagonal Wrench
(4mm/5mm)
•
Gas-leak Detector
•
Owner’s Manual
•
Thermometer
Installation
Requirements Required Parts Required Tools

ENGLISH
Safety Precautions
Installation Manual 3
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.
Be sure not to do.
Be sure to follow the instruction.
WARNING
■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.
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.

Safety Precautions
4Convertible Air Conditioner
■Operation
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 product.
• There is risk of fire or failure of product.
■Installation
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.
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.

ENGLISH
Installation Manual 5
Installation of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit
1. Selection of the best location
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.
2) Outdoor unit
• If an awning is built over the unit to prevent
direct sunlight or rain exposure, make sure that
heat flow from the condenser is not restricted.
• Ensure that the space around the back and
sides is more than 300mm. The front of the unit
should have more than 700mm of space.
• Do not place animals and plants in the path of
the warm air.
• Take the weight of the air conditioner into
account and select a place where noise and
vibration are minimum.
• Select a place where the warm air and noise
from the air conditioner do not disturb neighbors.
More than
200mm
More than
1200mm
More than
200mm
R
R
More than
200mm
More than
200mm
(Ceiling installation)
(Floor/Wall installation)
More than
300mm
More than 300mm
More
than 600mm
More than 600mm
More than
700mm
More than
700mm
More than
300mm
More than
700mm
VB CHASSIS
VK,VJ,VL CHASSIS

6Convertible Air Conditioner
Installation of Indoor, Outdoor Unit
3) Piping length and the elevation
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
•Rated performance for refrigerant line length of:7.5m
•Capacity is based on standard length and maximum allowance length is on the basis of
reliability.
•Improper refrigerant charge may result in abnormal cycle.
•Oil trap should be installed every 10 meters.
CAUTION
Model
LV-C286BLA1 5/8"(15.88mm) 1/4"(6.35mm) 7.5 30 5 20 25
LV-H246BLA1 5/8"(15.88mm) 1/4"(6.35mm) 7.5 30 5 20 40
LV-C362KLA0 5/8"(15.88mm) 1/4"(6.35mm) 5 20 5 30 25
LV-C602LLA0 3/4"(19.05mm) 3/8"(9.52mm) 7.5 20 5 30 60
LV-C60BLLA0 3/4"(19.05mm) 3/8"(9.52mm) 7.5 20 5 30 50
LV-C602LLA2 3/4"(19.05mm) 3/8"(9.52mm) 7.5 20 5 30 50
*Additional
refrigerant(g/
m)
Pipe Size
(Diameter:Ø) Length A(m) Elevation B(m)
Standard Max. Standard Max. Gas Liquid

ENGLISH
Installation Manual 7
Installation of Indoor, Outdoor Unit
1076
Suspension
bolt Center-line for the
piping hole
(Unit : mm)
265
1236 265
Install Plate
1)
2)
5~7mm
Indoor Outdoor
WALL
Side Plate
Inlet Grille
Inlet hanger
Hanger
screw
R
1. Indoor unit installation
■ Before Installing, prepare Installation
Plates
• 'Installation Plates' are attached at the bottom of
indoor unit.
Detach them by removing each 3 screws at both
sides.
• Pull the upper right and left side of 'Inlet Grille' to
the front, and it will stop at slightly tilted position.
• Unhook the 'Inlet hanger' from the 'Hanger screw'
on the both left and right side.
• Detach the 'Inlet Grille' from the Indoor Unit.
• Detach 'Side Plate (R,L)' by removing each 3
screws on both sides.
1) Installation on the ceiling
• Measure and mark the position for the Suspension
bolts and the piping hole.
• Drill the hole for anchor nut on the ceiling.
Before secure the Installation Plates, select
the bent direction of the Installion Plate to the
inside or the outside according to the
installation circumstances.
• Drill the piping hole on the wall slightly tilted to the
outdoor side using a ø70 hole-core drill.
■VB CHASSIS

8Convertible Air Conditioner
Installation of Indoor, Outdoor Unit
Washer
Nut
Suspension
bolts
Ceiling
Anchor nut
Suspension
bolts
Spring
washer
Max.
12mm Washer
Nut
1)
2)
Suspension
bolt
Installation plate
Adjust a level
R
Level gauge
Lower slot
R
R
Upper slot
• Insert the nuts and washer onto the suspension
bolts for locking the suspension bolts on the
ceiling.
• Mount the suspension bolts to the anchor-nuts
firmly.
• Secure the Installation plates onto the Suspension
bolts (adjust level roughly.) using nuts, washers
and spring washers.
• Engage 2 hooks on the both left and right side of
the unit to the lower slot of Installation Plates.
• Adjust a level with a level gauge on the direction of
left-right, back-forth by adjusting suspension bolts.
• Move the hooks on the unit to the upper slot of
Installation Plates. Then the unit will be declined to
the bottomside so as to drain well.

ENGLISH
Installation Manual 9
Installation of Indoor, Outdoor Unit
Drain hose
Ceiling
Ceiling
CAUTION
Ceiling
1. Install declination of the indoor unit is very important for the drain of the
convertible type air conditioner.
2. Minimum thickness of the insulation for the connecting pipe shall be 7mm.
3. If the Installation Plates are fixed to horizontal line, the indoor unit after installing
will be declined to the bottomside.
Front of view
• The unit must be horizontal or declined to the drain hose connected when finished
installation.
• The unit must be declined to the bottomside of the unit when finished installation.
Side of view

10 Convertible Air Conditioner
Installation of Indoor, Outdoor Unit
• Before working, refer to "Connecting pipe
to Indoor Unit" on page 16.
R
R
Hook
Cabinet Bottom
R
R
Inlet hanger
• Secure the unit to the Installation Plates with
four M8 bolts and washers.
• Fit the projection hooks of the side plates to the
'Side Panel' and the 'Front Panel' by
lifting it.
• Fasten the screws.
• Hook up the Inlet Grille Hook to the cabinet.
• Hang the Inlet Hanger to the screw.