LG ABNW366KSA1 Manual de usuario

Ceiling Duct Type

Air Conditioner

SERVICE MANUAL

CAUTION

website http://www.lgservice.com

• BEFORE SERVICING THE UNIT, READ THE SAFETY

PRECAUTIONS IN THIS MANUAL.

• ONLY FOR AUTHORIZED SERVICE PERSONNEL.

MODELS: ABNW366KSA1 ABUW366KSA1

ABNW426KSA1 ABUW426KSA1

ABNW486KSA1 ABUW486KSA1

ABNW606LTA1 ABUW606LTA1

ABNW366KSA3 ABUW366KSA3

ABNW426KSA3 ABUW426KSA3

2Ceiling Duct type Air Conditioner

Ceiling Duct type Air Conditioner Service Manual

TABLE OF CONTENTS

Safety Precautions ...................................................................................................................3

Model Number Nomenclature..................................................................................................8

Product Specifications (cooling & Heating)...........................................................................9

Dimensions .............................................................................................................................11

Refrigeration Cycle Diagram .................................................................................................15

Wiring Diagram.......................................................................................................................17

Electronic control device ......................................................................................................21

Functions ................................................................................................................................22

Operation Details....................................................................................................................24

Installation of Indoor, Outdoor Unit......................................................................................27

Connecting Pipes to the Outdoor Unit .................................................................................38

Checking the Drainage...........................................................................................................38

Connecting Cables between Indoor Unit and Outdoor Unit...............................................39

Air Purging of the Connecting Pipes and the Indoor Unit..................................................42

Group Control .........................................................................................................................43

Two Thermistor system .........................................................................................................43

Cycle Troubleshooting Guide................................................................................................44

Exploded View and Replacement Parts List ........................................................................63

Safety Precautions

Service 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.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage.

■Installation

Be sure not to do.

Be sure to follow the instruction.

Do not use a defective or underrat-

ed circuit breaker. Use this appli-

ance on a dedicated circuit.

• There is risk of fire or electric shock.

For electrical work, contact the

dealer, seller, a qualified electri-

cian, or an Authorized Service Cen-

ter.

• Do not disassemble or repair the

product. There is risk of fire or elec-

tric 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.

Safety Precautions

4Ceiling Duct type Air Conditioner

■Operational

Do not modify or extend the power

cable.

• There is risk of fire or electric shock.

Do not install, remove, or re-install

the unit by yourself (customer).

• There is risk of fire, electric shock,

explosion, or injury.

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 con-

tact the dealer or an Autho-

rized 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 condi-

tioner 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.

Take care to ensure that power

cable could not be pulled out or

damaged during operation.

• There is risk of fire or electric

shock.

Do not place anything on the

power cable.

• There is risk of fire or electric

shock.

Do not plug or unplug the power

supply plug during operation.

• There is risk of fire or electric shock.

Do not touch(operate) the product

with wet hands.

• There is risk of fire or electrical shock.

Do not place a heater or other

appliances near the power cable.

• There is risk of fire and electric shock.

Safety Precautions

Service Manual 5

Do not allow water to run into elec-

tric parts.

• It may cause There is risk of fire, fail-

ure of the product, or electric shock.

Do not store or use flammable gas or

combustibles near the product.

• There is risk of fire or failure of product.

Do not use the product in a tightly

closed space for a long time.

• Oxygen deficiency could occur.

Gasolin

When flammable gas leaks,

turn off the gas and open a win-

dow for ventilation before turn

the product on.

• Do not use the telephone or turn

switches on or off.

There is risk of explosion or fire

If strange sounds, or small or

smoke comes from product. Turn

the breaker off or disconnect the

power supply cable.

• There is risk of electric shock or

fire.

Stop operation and close the window

in storm or hurricane. If possible,

remove the product from the window

before the hurricane arrives.

• There is risk of property damage,

failure of product, or electric shock.

Do not open the inlet grill of the prod-

uct during operation.

(Do not touch the electrostatic filter, if

the unit is so equipped.)

• There is risk of physical injury, electric

shock, or product failure.

When the product is soaked (flood-

ed or submerged), contact an

Authorized Service Center.

• There is risk of fire or electric shock.

Be cautious that water could not

enter the product.

• There is risk of fire, electric shock, or

product damage.

Ventilate the product from time to time when operating

it together with a stove, etc.

• There is risk of fire or electric shock.

Turn the main power off when cleaning or maintaining

the product.

• There is risk of electric shock.

Safety Precautions

6Ceiling Duct type Air Conditioner

When the product is not be used for a long time, dis-

connect the power supply plug or turn off the

breaker.

• There is risk of product damage or failure, or unintended

operation.

Take care to ensure that nobody could step on or fall

onto the outdoor unit.

• This could result in personal injury and product damage.

■Installation

Always check for gas (refrigerant) leak-

age after installation or repair of prod-

uct.

• Low refrigerant levels may cause fail-

ure of product.

Install the drain hose to ensure

that water is drained away proper-

ly.

• A bad connection may cause water

leakage.

Keep level even when installing the

product.

• To avoid vibration or water leakage.

90°

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.

■Operational

Do not expose the skin directly to cool air for long peri-

ods of time. (Don't sit in the draft.)

•This could harm to your health.

Do not use the product for special purposes, such as pre-

serving foods, works of art, etc. It is a consumer air condi-

tioner, not a precision refrigeration system.

•There is risk of

damage or

loss of property.

Safety Precautions

Service Manual 7

Do not block the inlet or outlet of

air flow.

•It may cause product failure.

Use a soft cloth to clean. Do not

use harsh detergents, solvents,

etc.

•There is risk of fire, electric shock, or

damage to the plastic parts of the prod-

uct.

Do not touch the metal parts of the

product when removing the air filter.

They are very sharp!

•There is risk of personal injury.

Wax

Thinner

Do not step on or put anyting on

the product. (outdoor units)

•There is risk of personal injury and fail-

ure of product.

Always insert the filter securely. Clean the

filter every two weeks or more often if

necessary.

•A dirty filter reduces the efficiency of

the air conditioner and could cause

product malfunction or damage.

Do not insert hands or other objects through

the air inlet or outlet while the product is

operated.

•There are sharp and moving parts that

could cause personal injury.

Do not drink the water drained

from the product.

•It is not sanitary and could cause seri-

ous health issues.

Use a firm stool or ladder when

cleaning or maintaining the prod-

uct.

•Be careful and avoid personal injury.

Replace the all batteries in the remote

control with new ones of the same type.

Do not mix old and new batteries or dif-

ferent types of batteries.

•There is risk of fire or explosion

Do not recharge or disassemble the batteries. Do not

dispose of batteries in a fire.

•They may burn or explode.

If the liquid from the batteries gets onto your skin or

clothes, wash it well with clean water. Do not use the

remote if the batteries have leaked.

•The chemicals in batteries could cause burns or other health

hazards.

Model Number Nomenclature

8Ceiling Duct type Air Conditioner

Model Number Nomenclature

Code Type Code of Model Meaning

1 Producing Center/ A~Z

L: ChangWon R22, A: ChangWon R410A, C: ChangWon R407C

Refrigerant

2 Type of Air conditioner A~Z B: Ceiling Duct Type Air conditioner

3 Cooling/Heating A~Z

C: C/O, H: H/P, X: C/O + E/H, Z: H/P + E/H, W: Inverter + H/P

4,5 Capacity(Btu/h) 1~9 Cooling/Heating Capacity

Ex. "48" ➔48,000Btu/h

6 Electric Range 1~9 Electric Standard [V/Hz/Phase]

1 : 115/60/1 2 : 220/60/1 3 : 208-230/60/1

5 : 200-220/50/1 6 : 220-240/50/1 7 : 100/50(60)/1

8 : 380-415/50/3 9 : 380/60/3 A : 220/50/3

B : 208-230/60/3 C : 575/60/3 D : 440-460/60/3

E : 265/60/1 F : 200/50-60/1

7 Chassis A~Z Name of tool of unit

8 LG/OEM Brand A~Z L: LG Brand M: 1st OEM Brand

G: 2nd LG Brand N: 2nd OEM Brand

9 Function A~Z

10 Serial No. 0~9

Basic A

Low Ambient B

Plasma Filter C

Plasma Filter + Drain Pump D

Low Ambient + Drain Pump F

Low Static Motor G

Plasma Filter + Low Ambient H

Plasma Filter + Low Ambient + Drain Pump J

Drain Pump P

345678910

Product Specifications (cooling & Heating)

Service Manual 9

1, 220-240, 50 1, 220-240, 50 1, 220-240, 50

8,568(34,000) 7,747(30,743) 10,080(40,000)

9,964 9,010 11,723

4,100 3,870 4,700

9,324(37,000) 8,410(33,370) 12,096(48,000)

10,844 9,780 14,067

3,500 3,450 4,400

17.5 17.5 20

15 18 19.5

533/467/383 533/467/383 767/667/583

2,830 2,830 3,500

22.6 22.6 22.6

3*5.5 3*5.5 3*8.5

4*1.25 4*1.25 4*1.25

L.C.D Wired L.C.D Wired L.C.D Wired

L.E.V L.E.V L.E.V

Ye s Ye s Ye s

24 Hours On/Off 24 Hours On/Off 24 Hours On/Off

Ye s Ye s Ye s

Optional Optional Optional

Ye s Ye s Ye s

Optional Optional Optional

Ye s Ye s Ye s

Optional Optional Optional

Ye s Ye s Ye s

3/8(9.52) 3/8(9.52) 3/8(9.52)

5/8(15.88) 5/8(15.88) 3/4(19.05)

1040*350*560 1040*350*560 1040*350*560

870*1060*320 870*1060*320 900*1165*370

37 37 37

80 80 105

Power Source Ø, V, Hz

Cooling Capacity kcal/h(BTU/h)

Input W

Heating Capacity kcal/h(BTU/h)

Input W

Rated Load Amp. Cooling A

Heating A

Air Volumn Cooling(H/M/L) L/S

Heating(H/M/L)

Refrigerant(R410A) g

Drain Hose In. Dia mm

Main Cable No. X mm2

Connecting Cable

Remote Control Type

Refigerant Control Type

Fuction Soft Dry

Timer

Self Diagnosis

Deice Operation

Hot Start

Zone Control(Optional)

Central Control(Optional)

Group Control(Optional wiring)

Radio Frequency Control(Optional)

Weekly Programning

Thermistor

Drain Pump(Optional)

Auto changeover(Auto Operation: CL)

Stand-by Consumption 0

Connecting Pipe Liquid Inch

Gas (mm)

Dimension Indoor mm

Outdoor (W x H x D)

Net Indoor Kg

Weight Outdoor

Model

AB-W366KSA1 AB-W366KSA3 AB-W426KSA1

Product Specifications (cooling & Heating)

10 Ceiling Duct type Air Conditioner

1, 220-240, 50 1, 220-240, 50 1, 220-240, 50

9,106(36,135) 11,592(46,000) 13,840(55,000)

10,590 13,481 16,100

4,590 5,200 6,500

10,920(43,334) 12,852(51,000) 15,100(60,000)

12,700 14,946 17,600

4,400 4,700 5,800

20 23 28

19.5 20.5 26

767/667/583 850/817/767 1083/967/850

3500 3700 5800

22.6 22.6 22.6

3*8.5 3*8.5 3*8.5

4*1.25 4*1.25 4*1.25

L.C.D Wired L.C.D Wired L.C.D Wired

L.E.V L.E.V L.E.V

Ye s Ye s Ye s

24 Hours On/Off 24 Hours On/Off 24 Hours On/Off

Ye s Ye s Ye s

Optional Optional Optional

Ye s Ye s Ye s

Optional Optional Optional

Ye s Ye s Ye s

Optional Optional Optional

Ye s Ye s Ye s

3/8(9.52) 3/8(9.52) 3/8(9.52)

3/4(19.05) 3/4(19.05) 3/4(19.05)

1040*350*560 1040*350*560 1120*400*580

900*1165*370 900*1165*370 750*1517*650

37 40 51

105 105 120

Power Source Ø, V, Hz

Cooling Capacity kcal/h(BTU/h)

Input W

Heating Capacity kcal/h(BTU/h)

Input W

Rated Load Amp. Cooling A

Heating A

Air Volumn Cooling(H/M/L) L/S

Heating(H/M/L)

Refrigerant(R410A) g

Drain Hose In. Dia mm

Main Cable No. X mm2

Connecting Cable

Remote Control Type

Refigerant Control Type

Fuction Soft Dry

Timer

Self Diagnosis

Deice Operation

Hot Start

Zone Control(Optional)

Central Control(Optional)

Group Control(Optional wiring)

Radio Frequency Control(Optional)

Weekly Programning

Thermistor

Drain Pump(Optional)

Auto changeover(Auto Operation: CL)

Stand-by Consumption 0

Connecting Pipe Liquid Inch

Gas (mm)

Dimension Indoor mm

Outdoor (W x H x D)

Net Indoor Kg

Weight Outdoor

Model

AB-W426KSA3 AB-W486KSA1 AB-W606LTA1

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