Goldstar M8004r, M1004r Service Manual

LG

Room

Air Conditioner

SERVICE MANUAL

LG

CAUTION

website http://www.lgservice.com

• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.

• ONLY FOR AUTHORIZED SERVICE PERSONNEL.

MODEL: HBLG8004R,HBLG8004RA4,HBLG8004RB4,

HBLG1004R, CL8000ER,M8004R, M8004RY4,

M1004R,L8004R,L8004RY4,L1004R



2 Room Air Conditioner

Air Conditioner Service Manual

TABLE OF CONTENTS

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

Dimensions .....................................................................................................................................................6

Outside Dimensions...................................................................................................................................6

Product Specifications ..................................................................................................................................7

Installation .......................................................................................................................................................8

Select the Best Location ............................................................................................................................8

Installation Check.......................................................................................................................................8

How to Secure the Drain Pipe....................................................................................................................8

How to Install..............................................................................................................................................9

Operation ......................................................................................................................................................12

Function of Controls .................................................................................................................................12

Disassembly..................................................................................................................................................13

Mechanical Parts......................................................................................................................................13

Air handling Parts.....................................................................................................................................14

Electrical Parts .........................................................................................................................................15

Refrigerating Cycle...................................................................................................................................17

Schematic Diagram.......................................................................................................................................20

Electronic Control Device.........................................................................................................................20

Wiring Diagram.........................................................................................................................................21

Components Location ..............................................................................................................................22

Troubleshooting Guide.................................................................................................................................23

Pipeing System ........................................................................................................................................23

Trou

bleshooting Guide .............................................................................................................................24

Elect

rical Parts Troubleshooting Guide ....................................................................................................26

Electrical Parts .........................................................................................................................................30

Exploded View ..............................................................................................................................................36

Replacement Parts List ................................................................................................................................37

Service Manual 3

Safety Precautions

Safety Precautions

WARNING

CAUTION

WARNING

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.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to property only.

■ Meanings of symbols used in this manual are as shown below.

Be sure not to do.

Be sure to follow the instruction.

Always install the expansion panel(s).

• Improper assembly or installation may cause
incorrect operation, including injury, fire, and
electric shock hazards.

Do not use the power cord near flammable
gas or combustibles such as gasoline,
benzene, thinner, etc.

• It may cause explosion or fire.

Do not place the power cord near a heater.

• It may cause fire and electric shock.

Do not disassemble or modify products.

• It may cause electric shock and failure.

Gasolin

4 Room Air Conditioner

Safety Precautions

Plug in the power plug
properly.

• Otherwise, it will cause
electric shock or fire.

Do not modify power cord
length.

Do not operate or stop the
unit by inserting or pulling
out the power plug.

• It will cause electric shock or
fire.

ON

ON

Use the air conditioner on a
single outlet circuit.
Do not share the outlet with
other appliances.

Do not damage or use an
unspecified power cord.

• It will cause electric shock or
fire.

Always plug into a
grounded outlet.

• It will cause electric shock or
fire.

Do not use the socket if it is
loose or damaged.

• It may cause fire and electric
shock.

• It will cause electric shock or
fire.

Do not operate with wet
hands or in damp
environment.

• It may cause electric shock.

• No grounding may cause
electric shock.

Ventilate before operating air
conditioner when gas goes
out.

• It may cause explosion, fire,

and burn.

Service Manual 5

If water enters the product, turn off the the power
switch of the main body of appliance. Contact ser­vice center after taking the power-plug out from
the socket.

• It will cause electric shock or failure of machine.

Do not clean the air conditioner with water.

• Water may enter the unit and degrade the insula­tion. It may cause an electric shock.

Never touch the metal parts of the unit when
removing the filter.

• They are sharp and may cause injury.

Do not block the inlet or outlet.

• It may cause failure of appliance or performance
deteriorate.

Ensure that the outer case is not damaged by
age or wear.

• If the outer case is damaged, it must be repaired
or replaced immediately.
Leaving it damaged could result in the air condi­tioner falling out of the window, creating a safety
hazard.

Be cautious not to touch the sharp edges
when installing.

• It may cause injury.

CAUTION

Safety Precautions

Sharp
edges

6 Room Air Conditioner

Dimensions

Dimensions

Outside Dimensions

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that could cause harm to the
air conditioner.

This symbol indicates special notes.

NOTICE

Symbols Used in this Manual

492 (19 3/8")

/16")

3

27.5 (1

30 (1

315 (12 3/8")

12

")

1/16

(0.4

243.3(9

9/16

22.5(0.8
")

492 (19 3/8")

42 (1 21/32")

100.3 (3

3

/32")

3/32

15

16

497 (19 9/16")

")/

Cool

Energy
Saver

Fan

Dry Timer

F1 LOW
F2 MED
F3 HIGH

TEMP

FAN

TIMER POWERMODE

SPEED

42 (1 21/32")

'

F

")

32

/

21

347 (13

")

497 (19 9/16")

'

Cool

F

F1 LOW
F2 MED
F3 HIGH

Energy
Saver

Fan

TEMP

Dry Timer

FAN

TIMER POWERMODE

SPEED

315 (12 3/8")

Specfications

Product Specifications

Service Manual 7

ITEMS

ITEMSITEMS

ITEMS

POWER SUPPLY

POWER SUPPLYPOWER SUPPLY

POWER SUPPLY

MODELS

MODELSMODELS

MODELS

HBLG8004R(A4/B4)

L8004R(Y4)/M8004R(Y4)

CL8000ER

CL8000ERCL8000ER

CL8000ER HBLG1004R

1ø, 115V, 60Hz

1ø, 115V, 60Hz1ø, 115V, 60Hz

1ø, 115V, 60Hz

HBLG1004R

HBLG1004R

HBLG1004R

L1004R/M1004R

L1004R/M1004R

L1004R/M1004R

L1004R/M1004R

CAPACITY

CAPACITY

INPUT

INPUT

COOLING

COOLINGCOOLING

COOLING

OPERATING

OPERATINGOPERATING

OPERATING

CONDITION

CONDITIONCONDITION

CONDITION

REFRIGERANT (R-22) CHARGE

REFRIGERANT (R-22) CHARGEREFRIGERANT (R-22) CHARGE

REFRIGERANT (R-22) CHARGE

EVAPORATOR

EVAPORATOREVAPORATOR

EVAPORATOR

CONDENSER

CONDENSERCONDENSER

CONDENSER

FAN, INDOOR

FAN, INDOORFAN, INDOOR

FAN, INDOOR

FAN, OUTDOOR

FAN, OUTDOORFAN, OUTDOOR

FAN, OUTDOOR

FAN SPEEDS, FAN/COOLING/HEATING

FAN SPEEDS, FAN/COOLING/HEATINGFAN SPEEDS, FAN/COOLING/HEATING

FAN SPEEDS, FAN/COOLING/HEATING

FAN MOTOR

FAN MOTORFAN MOTOR

FAN MOTOR

OPERATION CONTROL

OPERATION CONTROLOPERATION CONTROL

OPERATION CONTROL

ROOM TEMP. CONTROL

ROOM TEMP. CONTROLROOM TEMP. CONTROL

ROOM TEMP. CONTROL

AIR DIRECTION CONTROL

AIR DIRECTION CONTROLAIR DIRECTION CONTROL

AIR DIRECTION CONTROL

RUNNING CURRENT

RUNNING CURRENT

E.E.R

E.E.R

INDOOR (

INDOOR (

OUTDOOR (

OUTDOOR (

C)INDOOR (INDOOR (

C)C)

C)

(BTU/h)CAPACITYCAPACITY

(BTU/h)(BTU/h)

(BTU/h)

(BTU/W.h)E.E.RE.E.R

(BTU/W.h)(BTU/W.h)

(BTU/W.h)

C)OUTDOOR (OUTDOOR (

C)C)

C)

(W)INPUTINPUT

(W)(W)

(W)

(A)RUNNING CURRENTRUNNING CURRENT

(A)(A)

(A)

8,000

820

7.3

9.8

420g(14.8 oz)

PROPELLER TYPE FAN WITH SLINGER RING

PROPELLER TYPE FAN WITH SLINGER RINGPROPELLER TYPE FAN WITH SLINGER RING

PROPELLER TYPE FAN WITH SLINGER RING

8,0008,0008,000 10,0008,0008,000

8,000

740820820

740

7.07.37.3

7.0

10.89.89.8

10.8

26.7(DB)* 19.4(WB)**

26.7(DB)* 19.4(WB)**26.7(DB)* 19.4(WB)**

26.7(DB)* 19.4(WB)**

35(DB)* 23.9(WB)**

35(DB)* 23.9(WB)**35(DB)* 23.9(WB)**

35(DB)* 23.9(WB)**

410g(14.3 oz)420g(14.8 oz)420g(14.8 oz)

410g(14.3 oz)

2 ROW 11 STACKS, LOUVER-FIN TYPE

2 ROW 11 STACKS, LOUVER-FIN TYPE2 ROW 11 STACKS, LOUVER-FIN TYPE

2 ROW 11 STACKS, LOUVER-FIN TYPE

2 ROW 15 STACKS, STRAGHT TYPE

2 ROW 15 STACKS, STRAGHT TYPE2 ROW 15 STACKS, STRAGHT TYPE

2 ROW 15 STACKS, STRAGHT TYPE

TURBO FAN

TURBO FANTURBO FAN

TURBO FAN

3/3

3/33/3

3/3

6 POLES

6 POLES6 POLES

6 POLES

REMOTE CONTROLLER

REMOTE CONTROLLERREMOTE CONTROLLER

REMOTE CONTROLLER

THERMISTOR

THERMISTORTHERMISTOR

THERMISTOR

VERTICAL LOUVER (RIGHT & LEFT)

VERTICAL LOUVER (RIGHT & LEFT)VERTICAL LOUVER (RIGHT & LEFT)

VERTICAL LOUVER (RIGHT & LEFT)

HORIZONTAL LOUVER (UP & DOWN)

HORIZONTAL LOUVER (UP & DOWN)HORIZONTAL LOUVER (UP & DOWN)

HORIZONTAL LOUVER (UP & DOWN)

480g(16.9 oz)410g(14.3 oz)410g(14.3 oz)

480g(16.9 oz)480g(16.9 oz)420g(14.8 oz)

480g(16.9 oz)

10,00010,0008,000

10,000

1,020740740

1,0201,020820

1,020

9.47.07.0

9.49.47.3

9.4

9.810.810.8

9.89.89.8

9.8

CONSTRUCTION

CONSTRUCTIONCONSTRUCTION

CONSTRUCTION

COMPRESSOR

COMPRESSORCOMPRESSOR

COMPRESSOR

PROTECTOR

PROTECTORPROTECTOR

PROTECTOR

POWER CORD

POWER CORDPOWER CORD

POWER CORD

DRAIN SYSTEM

DRAIN SYSTEMDRAIN SYSTEM

DRAIN SYSTEM

NET WEIGHT

NET WEIGHT

OUTSIDE DIMENSION (inch)

OUTSIDE DIMENSION (inch)OUTSIDE DIMENSION (inch)

OUTSIDE DIMENSION (inch)

(W x

H(W x(W x

xHH

D) x x(W x (mm)D) D) H (mm)(mm) x

D)

* D

B* D* D

: dry bulbBB

: dry bulb : dry bulb* D

B : dry bulb

** WB : wet bulb

** WB : wet bulb** WB : wet bulb

** WB : wet bulb

FAN MOTOR

FAN MOTORFAN MOTOR

FAN MOTOR

(lbs/kg)NET WEIGHTNET WEIGHT

(lbs/kg)(lbs/kg)

(lbs/kg)

(mm)

TOP DOWN CHASSIS

TOP DOWN CHASSISTOP DOWN CHASSIS

TOP DOWN CHASSIS

OVERLOAD PROTECTOR

OVERLOAD PROTECTOROVERLOAD PROTECTOR

OVERLOAD PROTECTOR

INTERNAL THERMAL PROTECTOR

INTERNAL THERMAL PROTECTORINTERNAL THERMAL PROTECTOR

INTERNAL THERMAL PROTECTOR

3 WIRE WITH GROUDING

3 WIRE WITH GROUDING3 WIRE WITH GROUDING

3 WIRE WITH GROUDING

ATTACHMENT PLUG (CORD-CONNECTED TYPE)

ATTACHMENT PLUG (CORD-CONNECTED TYPE)ATTACHMENT PLUG (CORD-CONNECTED TYPE)

ATTACHMENT PLUG (CORD-CONNECTED TYPE)

DRAIN PIPE OR SPLASHED BY FAN SLINGER

DRAIN PIPE OR SPLASHED BY FAN SLINGERDRAIN PIPE OR SPLASHED BY FAN SLINGER

DRAIN PIPE OR SPLASHED BY FAN SLINGER

62/28 71/3271/32

62/2862/28 62/28

62/28

19

19 19

19

62/28

9

99

9 3

/

//

497 x 315 x 492

497 x 315 x 492497 x 315 x 492

497 x 315 x 492

33

3 3

16

x 12

1616

x 12x 12/ /

16 8

//x 12 x 19

88

x 19x 19/ /

8 8

33

3

//x 19

88

/

8

71/3262/2862/28

71/32

8 Room Air Conditioner

Installation

Installation

Select the Best Location

Installation Check

How to Secure the Drain Pipe

1. To prevent vibration and noise, make sure the unit is installed
securely and firmly.

2. Install the unit where the sun does not shine directly on the
unit.

3. The outside of the cabinet must extend outward for at least
12" and there should be no obstacles, such as a fence or
wall, within 20" from the back of the cabinet because it will
prevent heat radiation of the condenser.
Restriction of outside air will greatly reduce the cooling effi­ciency of the air conditioner.

CAUTION: All side louvers of the cabinet must

remain exposed on the outdside of the structure.

4. Install the unit slanted slightly so the back is slightly lower
than the front (about 1/

4"). This will force condensed water

to the outside.

5. Install the unit with the bottom about 30"~60" above the
floor level.

The setting conditions must be checked prior to initial starting.
The following items are especially important checking points when the installation is finished.

1. Grounding wire (Green or Green and Yellow) is provided in the power cord. The green wire must be grounded.

2. Connect to a single-outlet 15A circuit.
(or 20A circuit for Electric Heater Model)

3. To avoid vibration or noise, make sure the air conditioner is installed securely.

4 Avoid placing furniture or draperies in front of the air inlet and outlet.

In humid weather, excess water may cause the Base Pan to
overflow. To drain the water, remove the Drain Cap and secure
the Drain Pipe to the rear hole of the Base Pan. (Figure. 2)

Figure 2

COOLED AIR

INSIDE

OUTSIDE

FENCE

AWNING

HEAT

RADIATION

ABOUT / "

30"-60"

1

4

Over 20"

Figure 1

Drain Pipe

Drain Cap

Service Manual 9

Installation

How to Install

Window Requirements

All supporting parts should be secured to
firm wood, masonry, or metal.

1. This unit is designed for installation in standard double
hung windows with actual opening widths of 22" to 36".
The upper and lower sash must open sufficiently to allow
a clear vertical opening of 13" from the bottom of the
sash to the window stool.

2. If storm window presents interference, fasten a 2" wide
wood strip to the inner window sill across the full width of
the sill. The wood strip should be thick enough to raise
the height of the window sill so that the unit can be
installed without interference by the storm window
frame. See Figure. 4. Top of wood strip should be
approximately 3/4" higher than the storm window frame
(STORM WINDOW FRAME) or wood strip (OUT­DOORS) to help condensation to drain properly to the
outside.

3.

Install a second wood strip (approximately 6" long by 11/2"

wide and same thickness as first strip) in the center of the
outer sill flush against the back off the inner sill. This will
raise the L bracket as shown Figure. 4.

4. If the distance between STORM WINDOW FRAME and

WOOD STRIP MOUNTED ON TOP OF INNER SILL is
more than 1", two of wood strip are not necessary.

Installation

NOTICE

OUTDOORSINDOORS

INNER

SILL

OUTER

SILL

INNER

SILL

WOOD STRIP MOUNTED

ON TOP OF INNER SILL

WOOD STRIP

FOR

L

BRACKET

3/4"

CLEARANCE

1" MAX.

STORM

WINDOW

FRAME

OUTDOORSINDOORS

OUTER

SILL

Figure 3

Figure 4

HARDWARE

TYPE E: 1EA

(SASH SEAL)

(Not adhesive backed)

TYPE D: 1EA

(SEAL STRIP)

(Adhesive backed)

TYPE F: 2EA

(GUIDE PANEL)

TYPE C: 3EA

(L BACKET)

TYPE A: 11EA

(SHORT SCREW)

10mm

TYPE B: 5EA

(WOOD SCREW)

16mm

TYPE G: 1EA

(SUPPORT BACKET)

DRAIN PIPE

10 Room Air Conditioner

Installation

BEFORE INSTALLATION

1. Insert the guide panels into the guides of the air conditioner.

Fasten the curtains to the unit with screws (TYPE A) as
shown Figure. 5.

2.

Cut the adhesive-backed seal strip (TYPE D) to the window
width.

Remove the backing from the seal strip and attach the seal
strip to the underside of the bottom window. (

Figure

. 6)

NOW START INSTALLATION

1. LOCATING UNIT IN WINDOW

Open the window and mark center line on the center of the
inner sill, as shown in Figure. 6.

2. ATTACH L BRACKET

a. Install the L brackets behind the inner window sill, with

the short side of bracket as shown.
Use the 2 screws (TYPE A) provided.

b. The bracket helps to hold unit securely in place. Be sure

to place bracket edge flush against back of inner sill. See
Figure. 7.

CAUTION:

During the following step, hold

unit firmly until window sash is lowered to top
channel behind side panel frames. Personal injury or
property damage may result if unit falls from window.

3. INSTALL THE AIR CONDITIONER IN THE WINDOW

a. Carefully lift the air conditioner and slide it into the open

window. Make sure the bottom guide of the air condition­er drops into the notches of the

L bracket. See Figure. 8.

IMPORTANT :

When the air conditioner drops into the L bracket, the air con-

ditioner will be centered in window opening as shown in
Figure. 9.

b. While steadying the air conditioner, carefully bring the

window sash down behind the upper guide of the air con­ditioner, as shown in Figure. 10.

ROOM SIDE

CENTER LINE

INNER SILL

SEAL STRIP
(TYPE D)

OUTSIDE

INSIDE

L

BRACKET

OUTER SILL

SHORT SIDE

INNER SILL

TYPE A

8"

8"

CENTER LINE

SEAL

WINDOW FRAME

BOTTOM
GUIDE

ABOUT

1/4"

L

BRACKET

UPPER GUIDE

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Type A

Type A

F

Cool

F1 LOW
F2 MED
F3 HIGH

Energy

Saver

Fan

TEMP

Dry Timer

C enter L ine

Service Manual 11

Installation

4. SECURE THE GUIDE PANELS

Extend the guide panels (TYPE F) to fill the window
opening using 4 screws (TYPE B) to secure them, as
shown in Figure. 11.

5. INSTALL THE SASH SEAL AND SASH LOCK

a. Cut the sash seal (TYPE E) to the window width. Stuff

the sash seal between the glass and the window to
prevent air and insects from getting into the room, as
shown in Figure. 11.

b. Fasten the L bracket using a (TYPE A) screw, as

shown in Figure. 11.

6. Window installation of room air conditioner is now
completed. See ELECTRICAL DATA for attaching
power cord to electrical outlet.

REMOVAL FROM WINDOW

Trun the air conditioner off, disconnect the
power cord, remove the L bracket and the
screws installed through the top and bottom
of the guide panels, and save for reinstalla­tion later. Close the guide panels. keeping a
firm grip on the air conditioner, raise the
sash, and carefully tilt the air conditioner
backward, draining any condensate water.
Lift the air conditioner from the window ad
remove the sash seal from between the win­dows.

NOTICE

Figure 11

L Bracket

Type A

Sash Seal

(Type F)

Type B

12 Room Air Conditioner

Operation

Operation

• Designed for COOLING ONLY.

• Powerful and quiet cooling.

• Top-down chassis for the simple instal­lation and service.

• Low air-intake, top cooled-air discharge.

• Built-in adjustable Thermistor

• Washable one-touch filter

• Compact size

• Equipped with reliable and efficient rotary
compressor.

REMOTE CONTROL

DISPLAY

PRECAUTION:

The Remote Control unit will not
function properly if strong light strikes the sensor window
of the air conditioner or if there are obstacles between the
Remote Control unit and the air conditioner.

POWER BUTTON

To turn the air conditioner ON, push the button. To turn the air conditioner OFF, push the button again.
This button takes priority over any other buttons.

ROOM TEMPERATURE SETTING BUTTON

This button can automatically control the temperature of the room. The temperature can be set within a range of 60°F to
86°F by 1°F. (16°C to 30°C by 1°C)
Select the lower number for lower temperature of the room.

OPERATION MODE SELECTION BUTTON

Every time you push this button, it will shift among COOL, ENERGY SAVER, FAN and DRY.

-

Energy Saver: If Energy Save mode is selected, the fan stops when the compressor stops cooling.a

Approximately every 3 minutes the fan will turn on and check the room air to determine if cooling is needed.

FAN SPEED SELECTOR

Every time you push this button, it is set as follows.

(Hi [F3] ➔ Low [F1] ➔ Med [F2] ➔ Hi [F3] ➔ Low [F1] ➔...)

ON/OFF TIMER BUTTON

You can set the time when the unit will turn on or turn off automatically by pressing the timer button. If the unit is operating,
this button controls the time it will be turned off. If the unit is off state, this button controls the time it will start. Every time
you push this button, the remaining time will be set as follows.

- Stopping operation

(1Hour ➔ 2Hours ➔ 3Hours ➔ 4Hours ➔ 5Hours ➔ 6Hours ➔ 7Hours ➔ 8Hours ➔ 9Hours ➔ 10Hours ➔ 11Hours ➔
12Hours ➔ 0Hour ➔ 1Hour ➔ 2Hours ➔... )

- Starting operation

(1Hour ➔ 2Hours ➔ 3Hours ➔ 4Hours ➔ 5Hours ➔ 6Hours ➔ 7Hours ➔ 8Hours ➔ 9Hours ➔ 10Hours ➔ 11Hours ➔
12Hours ➔ off ➔ 1Hour ➔ 2Hours ➔ ... )

REMOCON SIGNAL RECEIVER

Function of Controls

Cool

Energy

Saver

Fan
Dry Timer

3 45

TIMER POWERMODE

F1 LOW
F2 MED
F3 HIGH

TEMP

FAN

SPEED

'

F

1

6

2

Power

1

Temp

Fan Speed

Timer Mode

5

2

4

3