LG LVNB3020CL Installation Manual

ENGLISH

11 12

(Ceiling/Wall Mounting)

(Floor Mounting)

more than

10cm

more than

70cm

more than

10cm

more than

10cm

CONVERTIBLE TYPE AIR CONDITIONERS

INSTALLATION INSTRUCTIONS

• Please read this instruction manual completely before installing the product.

• When the power cord is to be replaced, replacement work shall be performed by authorized personnel only.

• Installation work must be performed in accordance with national wiring standards by authorized personnel only.

¤ Installation Plate (2pcs) ¤ŁWasher Bolt (M8¡¿L25, 4pcs, type "A”) ¤ØFloor Mount Bracket (1pcs) ¤ŒDrain Hose, Insulated ¤ºRemocon Holder ¤ Screw for Remocon Holder(type "B") ¤ Drain Hose Hanger and screw

¤ Suspension Bolt ¤ Bolts for Mount Bracket ¤ Connecting Tube

• Gas side : Ø12.7/Ø15.88

• Liquid side : Ø6.35/Ø9.52

¤æConnecting Cable ¤ Drain Hose Extended

P/No. : 3828A30064N

Installation Parts Provided

The other Installation Parts Needed

OUT-LINE OF INSTALLATION

1.The following should be always observed for safety.........................................3

2. Installation of Indoor, Outdoor unit

3. Connecting Pipes to the Indoor Unit

4. Connecting Pipes to the Outdoor Unit

5. Checking the Drainage .......................................................................................15

6. Connecting Cables between Indoor Unit and Outdoor Unit

7. Air Purging of Pipes and Indoor Unit................................................................19

8. Test running

Installation works Installation Parts Required tools

Selection of the best location

..........................4

2) Indoor unit installation ......5

Installation on the ceiling..5

Installation on the wall......9

Installation on the floor...11

•

Installation Plate

•

Four Type “A” screws

•

Connecting cable

•

Level

•

Screw driver

•

Electric drill

•

Hole core drill (ø70mm)

1) Preparation of Piping......12

2) Installation on the ceiling13

3) Installation on the wall or

floor.....................................14

•

Pipes: Gas side .....1/2", 5/8"

Liquid side .............1/4", 3/8"

•

Insulated drain hose

•

Insulation materials

•

Flaring Tools set

•

Specified Torque Wrenches

1.8kg·m ......

Liquid side piping

5.5kg·m ......... Gas side piping

Spanner ................. Half union

1) Connecting the pipes to the

Outdoor Unit...................15

•

Additional Drain hose

(Outer Dia...............15.5mm)

•

Specified Torque Wrenches

1.8kg·m ......

Liquid side piping

5.5kg·m ......... Gas side piping

1) Connecting cables to the

Indoor Unit......................16

2) Connecting cables to the

Outdoor Unit...................17

3) Form the pipings.............18

•

Screw driver

1) Connection of power supply.

............................................20

2) Evaluation of the

performance .......................20

•

Two type “B” screws

•

Owner’s Manual

•

Thermometer

•

Hexagonal Wrench (4mm)

•

Gas-leak Detector

ENGLISH

1. The following should always be observed for safety

• Please report to or take consent by the supply authority before connection to the system.

• Be sure to read "THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY" before installing the air conditioner.

• Be sure to observe the cautions specified here as they include important items related to safety.

• The indications and meanings are as follows.

• After reading this manual, be sure to keep it together with the instruction manual in a handy place on the customer's site.

Could lead to death, serious injury, etc. Could lead to serious injury in particular environments when operated

incorrectly.

WARNING CAUTION

Do not install it yourself (customer).

• Incomplete installation could cause injury due to fire, electric shock, the unit falling or a leakage of water. Consult the dealer from whom you purchased the unit or special installer.

Perform the drainage/piping work securely according to the installation manual.

• If there is a defect in the drainage/piping work, water could drop from the unit and household goods could be wet and damaged.

Do not install the unit in a place where an inflammable gas leaks.

• If gas leaks and accumulates in the area surrounding the unit, it could cause an explosion.

Perform the installation securely referring to the installation manual.

• Incomplete installation could cause a personal

injury due to fire, electric shock, the unit falling or a leakage of water.

Install the unit securely in a place which can bear the weight of the unit.

• When installed in an insufficient strong place, the unit could fall causing injured.

Use the specified wires to connect the indoor and outdoor units securely and attach the wires firmly to the terminal board connecting sections so the stress of the wires is not applied to the sections.

• Incomplete connecting and fixing could cause fire.

Check that the refrigerant gas due not leak after installation is completed.

Perform electrical work according to the installation manual and be sure to use an exclusive circuit.

• If the capacity of the power circuit is insufficient or there is incomplete electrical work, it could result in a fire or an electric shock.

Attach the electrical part cover to the indoor unit and the service panel to the outdoor unit securely.

• If the electrical part cover if the indoor unit and/or the service

panel if the outdoor unit are not attached securely, it could result in a fire or electric shock due to dust, water, etc.

Be sure to use the part provided or specified parts for the installation work.

• The use of defective parts could cause an injury or leakage

of water due to a fire, electric shock, the unit falling, etc.

WARNING

CAUTION

2. 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, 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

• If 18K or 24K Model is installed at a distance of 15m, 240g of refrigerant should

be added........................................................................................(15-7)x30g

More than

20cm

More than eye-level

More than

20cm

More than

20cm

More than

20cm

(Ceiling installation)

(Floor/Wall installation)

More than 10cm

More than 70cm

Indoor unit

Outdoor unit

MODEL

18K BTU

1/2" 1/4" 7 15

24K BTU

5/8" 1/4" 7 20

GAS LIQUID

58 30 58 30

Elevation B(m)

Length A(m)

* Additional

refrigerant

(g/m)

Pipe Size

Rated Rated

Max. Max.

ENGLISH

1076

Suspension

bolt

Center-line for the

piping hole

265

1236

265

Install Plate

Side Plate

Inlet Grille

Inlet hanger

Hanger

screw

2. 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.

• Detach 'Side Plate (R,L)' by removing each 2

screws on 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.

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.

Indoor Outdoor

WALL

5~7mm

Washer

Nut

Suspension

bolts

Ceiling

Anchor nut

Suspension

bolts

Spring washer

Max.

12mm

Washer

Nut

Suspension

bolt

Installation plate

Adjust a level

Level gauge

Lower slot

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.

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