LG LVNB3020CL Installation Manual

	CONVERTIBLE TYPE AIR CONDITIONERS
	INSTALLATION INSTRUCTIONS
			<![if ! IE]> <![endif]>ENGLISH
	• 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 Parts Provided

¤ 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

1

8

2

7	(Ceiling/Wall Mounting)

3

9

The other Installation Parts Needed		(Floor Mounting)
		4
¤	Suspension Bolt	6
¤	Bolts for Mount Bracket	5

¤ Connecting Tube

•Gas side : Ø12.7/Ø15.88

•Liquid side : Ø6.35/Ø9.52

¤æConnecting Cable

10

¤ Drain Hose Extended

more than more than 10cm

10cm

11

12

more than 70cm

P/No. : 3828A30064N

OUT-LINE OF INSTALLATION

1.The following should be always observed for safety

.........................................3

	Installation works			Installation Parts
2. Installation of Indoor, Outdoor unit
1)	Selection of the best			• Installation Plate
	location..........................	4		• Four Type “A” screws
2)	Indoor unit installation ......	5		• Connecting cable
	Installation on the ceiling	..5
	Installation on the wall ......	9
	Installation on the floor ...	11
3. Connecting Pipes to the Indoor Unit
1)	Preparation of Piping......	12		• Pipes: Gas side .....	1/2", 5/8"
2)	Installation on the ceiling13			Liquid side .............	1/4", 3/8"
3)	Installation on the wall or			• Insulated drain hose
floor.....................................		14		• Insulation materials
4. Connecting Pipes to the Outdoor Unit
1)	Connecting the pipes to the			• Additional Drain hose
	Outdoor Unit ...................	15		(Outer Dia...............	15.5mm)

Required tools

•Level

•Screw driver

•Electric drill

•Hole core drill (ø70mm)

•Flaring Tools set

•Specified Torque Wrenches

1.8kg·m ......	Liquid side piping
5.5kg·m .........	Gas side piping
Spanner .................	Half union..
• Specified Torque Wrenches
1.8kg·m ......	Liquid side piping
5.5kg·m .........	Gas side piping

5.	Checking the Drainage		.......................................................................................	15
6.	Connecting Cables between Indoor Unit and Outdoor Unit
1) Connecting cables to the		16	• Screw driver
	Indoor Unit......................
2) Connecting cables to the
	Outdoor Unit ...................	17
3) Form the pipings.............		18
7.	Air Purging of Pipes and ................................................................Indoor Unit			19
				• Hexagonal Wrench (4mm)
				• Gas-leak Detector
8.	Test running
1) Connection of power supply.			• Two type “B” screws	• Owner’s Manual
............................................		20		• Thermometer
2) Evaluation of the
performance .......................		20

2

1. The following should always be observed for safety

	• Please report to or take consent by the supply authority before connection to the system.			<![if ! IE]> <![endif]>ENGLISH
	• 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.
	WARNING	Could lead to death, serious injury, etc.
	CAUTION	Could lead to serious injury in particular environments when operated
		incorrectly.

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

WARNING

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.

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 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.

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.

CAUTION

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.

3

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

	More than
	20cm
More than
20cm
More than eye-level
(Ceiling installation)
More than
20cm
	More than
R	20cm
(Floor/Wall installation)

More than 10cm

More than 10cm

More than 70cm

		Pipe Size		Length A(m)		Elevation B(m)		* Additional
	MODEL							refrigerant	Indoor unit
		GAS	LIQUID	Rated	Max.	Rated	Max.	(g/m)
	18K BTU	1/2"	1/4"	7	15	5	8	30
									A
	24K BTU	5/8"	1/4"	7	20	5	8	30
									B
									Outdoor unit

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

be added

........................................................................................(15-7)x30g

4

2. Indoor unit installation		<![if ! IE]> <![endif]>ENGLISH
both sides.
■ Before Installing, prepare Installation Plates
• 'Installation Plates' are attached at the bottom	Side Plate
of indoor unit.
Detach them by removing each 3 screws at
• Detach 'Side Plate (R,L)' by removing each 2
screws on both sides.	Install Plate
• 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

Inlet hanger

•Measure and mark the position for the Suspension bolts and the piping hole.

•Drill the hole for anchor nut on the ceiling.

Inlet Grille			Hanger
			screw
1)	1076		265
¡ Before secure the Installation Plates,
select the bent direction of the Installion	Suspension
Plate to the inside or the outside according
		bolt	Center-line for the
to the installation circumstances.
			piping hole
2)	1236		265
• Drill the piping hole on the wall slightly tilted to	Indoor	WALL	Outdoor
the outdoor side using a ø70 hole-core drill.
			5~7mm

5

•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.

1)	Anchor nut
	Ceiling
	Nut	Washer
	Suspension
	bolts
Suspension
bolts
Spring
washer	Nut
Max.	Washer
12mm
2)

•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.

Lower slot
Level gauge
Suspension	Adjust a level
bolt
Installation plate

Upper slot

6