DB98_15924A(1)_co 11/6/03 4:44 PM Page 3

ROOM AIR CONDITIONER

INDOOR UNIT

SH12AWHD

OUTDOOR UNIT

SH12AWHDX

SERVICE Manual

AIR CONDITIONER CONTENTS

1. Product Specifications

2. Disassembly and Reassembly

3. Set Up the Model Option

4. Exploded Views and Parts List

5. Block Diagram

6. Schematic Diagram

DB98_15924A(1)_SH12AWH_1 11/6/03 4:44 PM Page 1

1. Product Specifications

1-1 Table

Model

Item

Type

Performance

Power

Size

Cooling

Heating

Dehumidifying

Air Volume

Noise

Energy Efficiency Ratio

Power

Power Consumption

Operating Current

Power Factor

Starting Current

Power Cord

Outer Dimension

Weight(Net)

Refrigerant Pipe

Drain Hose

Type

Compressor Motor kW kW

| /h

Cooling

Heating

Cooling

Heating

Cooling

Heating m 3 /min dB

W/W

V-Hz

Cooling

Heating

Cooling

Heating

Cooling

Heating

W

A

%

Length

Number of Core Wire

Capacity A

A m

Width x Height x Depth

Liquid

GAS mm inch kg mm x L(MT) mm x L(MT)

D x L(mm)

Type

Rated Output

Oil Type

Blower

Type

Motor Type

Rated Output W

Heat Exchanger

Refrigerant Control Unit

Freezer Oil Capacity

Refrigerant to Change(R-410A)

Protection Device(OLP)

Cooling Test Condition

Maximum Operation Condition cc g

SH12AWH D

Indoor unit

Wall-mounted

3.5

Outdoor unit

4.2

1.9

8.5 25

9.2 25

41 53

41 53

2.82

3.23

1-220 / 240-50

1,240

1,300

5.7

5.7

9 6.4

9 7.4

32.0

-

-

250V-10 / 16A

825 x 285 x 189 720 x548 x 265

32.5 x 11.2 x 7.44

28.4 x 21.6 x 10.4

9.3

33.8

ø6.35 x 7.5

ø9.52 x 7.5

ø18 x 2,000

Rotary

Induction Motor(PSC)

Cross-flow steel

1,310

DAPHENE FV68S(PVE)

Propeller steel

15

2ROW 14STEP

CAPILLARY TUBE

50

2ROW 24STEP

360

960

RBC12074-12500

INDOOR UNIT : DB27˚C WB19˚C

INDOOR UNIT : DB32˚C WB23˚C

OUTDOOR UNIT : DB35˚C WB24˚C

OUTDOOR UNIT : DB43˚C WB26˚C

Samsung Electronics 1

DB98_15924A(1)_SH12AWH_1 11/6/03 4:44 PM Page 2

2. Disassembly and Reassembly

Stop operation of the air conditioner and remove the power cord before repairing the unit.

2-1 Indoor Unit

No

1

Parts

Front Grille

Procedure

1) Stop the air conditioner operation and block the main power.

Remark

2) Open the front grille by pulling right and left sides of the hook.

3) Loosen 1 of the right screw and separate the terminal cover.

4) Separate the thermistor from the front grille.

5) Loosen 5 fixing screws of front grille.

2 Samsung Electronics

DB98_15924A(1)_SH12AWH_1 11/6/03 4:44 PM Page 3

No Parts Procedure

6) Unlock 2 hooks to fix panel front and tray drain.

7) Unlock 3 hooks to fix panel front and back-body.

Disassembly and Reassembly

Remark

2 Control-In

(Main PCB)

1) Take all the connector of PCB upper side out. (Inclusion Power cord)

2) Separate the outdoor unit connection wire from the terminal block.

3) Loosen 4 fixing screws of assy control in.

3 Tray Drain 1) Separate the drain hose from the extension drain hose.

2) Pull tray drain out from the back body.

Samsung Electronics 3

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Disassembly and Reassembly

No

4

Parts

Heat Exchanger

Procedure

1) Loosen 2 fixing earth screws of right side.

2) Separate the connection pipe.

3) Separate the holder pipe at the rear side.

4) Loosen the 3 fixing screws of right and left side.

5) Lifting the heat exchanger up a little to push the up side for separation from the indoor unit.

Remark

4

5 Fan Motor

&

Cross Fan

1) Loosen the fixing screw and separate the motor holder.

2) Separate the fan motor from the fan.

3) Separate the fan from the left holder bearing.

Samsung Electronics

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2-2 Outdoor Unit

No

1

Parts

Common Work

Procedure

1) Loosen 7 fixing screws to detach the cabinet-front.

2) Loosen 2 fixing screws of the

ASS'Y-Control.

3) Loosen 6 fixing screws of the cabinet-side

RH.

Remark

4) Loosen 2 fixing screws of the cabinet-side

LF.

Samsung Electronics 5

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Disassembly and Reassembly

No

2

Parts

Fan & Motor

Procedure

1) Detach the nut flange.(Turn count clock wise because the screw is right-handed)

2) Detach the fan.

3) Loosen 4 fixing screws to detach the motor.

3 Heat Exchanger 1) Loosen 2 fixing screws on both sides.

2) Disassemble the pipe in both inlet and outlet with welding torch.

3) Detach the heat exchanger.

Remark

6

4 Compressor 1) Loosen the terminal cover nut to open the terminal cover.

2) Disassemble the cloth sound felt.

3) Disassemble the pipe in both inlet and outlet of the compressor with welding torch.

4) Disassemble the pipe in both inlet and outlet of the condenser with welding torch.

5) Loosen the 3 bolts at the bottom.

6) Detach the compressor.

Samsung Electronics

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3. Set Up the Model Option

3-1 Setting Option Setup Method

Option No. :

Step 1 : Enter the Option Setup mode.

1 st Take out the batteries of remote control.

2 nd

3 rd

Press the temperature insert the battery again.

button simultaneously and

Make sure the remocon display shown as .

(SH12AWH)

Step 2 : Enter the Option Setup mode and select your option according to the following procedure.

1,4

3

2,5

1

Feature

Setting Option SEG1.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

2

Setting Option SEG2.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

3

Change it into the set display of Option SEG3 and SEG4 with the button.

4

Setting Option SEG3.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

5

Setting Option SEG4.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

Samsung Electronics

Display

7

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Set Up the Model Option

7,10

6,9

8,11

13

12

14

6

Feature

Change it into the set display of Option SEG5 and SEG6 with the button.

7

Setting Option SEG5.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

8

Setting Option SEG6.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

9

Change it into the set display of Option SEG7 and SEG8 with the button.

10

Setting Option SEG7.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

11

Setting Option SEG8.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

12

Change it into the set display of Option SEG9 and SEG10 with the button.

13

Setting Option SEG9.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

14

Setting Option SEG10.

Push the button to set the display panel to .

Every time you push the button, the display panel reads

. . .

repeatedly.

8

Display

Samsung Electronics

DB98_15924A(1)_SH12AWH_1 11/6/03 4:44 PM Page 9

Step 3 : Upon completion of the selection, check you made right selections.

Whenever you press the button, the set Option will be displayed.

Set Up the Model Option

Step 4 : Pressing the ON/OFF button ( )

When pressing the operation ON/OFF key with the direction of remote controller for unit, the sound "Ding" is heard and the

OPERATION LED lamp is flickering at the same time, then the input of option is completed. (If the "ding" sound isn't heard, try again pressing the ON/OFF button.)

Step 5 : Unit operation test-run

First, Remove the battery from the remote controller.

Second, Re-insert the battery into the remote controller.

Third, Press ON/OFF ( ) key with the direction of remote controller for set.

• Error Mode

1 st If all lamps of indoor unit are flickering, Plug out and plug in again and pressing ON/OFF key to retry.

2 nd If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for it’s model.

3-2 Table of the option Code

Model

SH12AWH D

SEG1

2

SEG2

6

SEG3

0

SEG4

2

Option Code

SEG5 SEG6

5 7

SEG7

0

SEG8

3

SEG9 SEG10

4 0

Samsung Electronics 9

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4. Exploded Views and Parts List

4-1 Indoor Unit

2

2-1

6

7

1

1-7

1-8

1-2

1-5

2-2

1-6

1-4

4

1-1

1-3

9

2-4

2-3

5

5-4

5-1

5-2 5-3

3

3-6

3-4

3-8

3-1

3-2

3-3

3-5

3-8-1

3-7

8

10

You can search for the updated part code number through the ITSELF.

URL : http://itself.sec.samsung.co.kr

Samsung Electronics

DB98_15924A(1)_SH12AWH_1 11/6/03 4:44 PM Page 11

5-1

5-2

5-3

5-4

6

7

8

9

3

3-1

3-2

3-3

3-4

3-5

3-6

3-7

3-8

3-8-1

4

5

1-3

1-4

1-5

1-6

1-7

1-8

2

2-1

1

1-1

1-2

2-2

2-3

2-4

■

Parts List

No.

Code No.

DB94-00457D

DB63-00848A

DB61-01635A

DB61-01636A

DB63-00849A

DB69-00839A

DB73-00180A

DB95-20138A

DB94-00458B

DB61-01715A

DB93-02481L

DB92-00536B

DB64-00989A

DB64-00990A

DB97-02064A

DB63-00846B

DB70-00406A

DB61-01638A

DB63-00844A

DB93-03012B

DB94-00454A

DB61-01632A

DB69-00834A

DB61-01634A

DB31-00219A

DB94-00456A

DB97-02075A

DB73-00181A

DB94-40007A

DB96-03112A

DB63-00850A

DB6202556 A

DB60-00118A

DB96-04716A

Description Specification

ASS'Y-TRAY DRAIN

TRAY-DRAIN

BLADE-H

BLADE-V

STABILIZER

CUSHION-TRAY RH

RUBBER-CAP

ASS'Y-STEPPING-MOTOR

ASS'Y DRAIN HOSE

CLIP TERMINAL HOSE

ASS'Y-CONTROL IN

ASS'Y-PANEL FRONT

PANEL-FRONT

GRILLE-AIR INLET

ASS'Y-COVER DISPLAY

GUARD-AIR FILTER

PLATE-HANGER

HOLDER-PIPE

COVER TERMINAL

ASS'Y-REMOCON

ASS'Y-BACK BODY

BACK-BODY

CUSHION-BACK BODY

ASS'Y

HIPS

EPS + PE

SUPPORTER-EVAP RH

MOTOR-IN

ASS'Y-CROSS FAN

ASS'Y BOLT-SPECIAL

RUBBER-BEARING

HIPS

YDK-20S4F8C-1

OD92x635, 586g

RUBBER

MOLD-BEARING

ASS'Y CYCLE IN

BEARING

COVER BEARING ABS

S EAL-EVAP-UPPER PE，25x620x3g

SPACE-EVAP-LOW PVC, 18g

ASS'Y-EVAP TOTAL 1.3S, 2x14

ASS'Y

ABS, 260g

HIPS, 150

PP, 15.7g

HIPS, 87g

EPS30, 2g

GUM-EPM, 11g

PI24-600g, 24BYJ48

STS, PI1.0

ASS'Y

ASS'Y

PS, 634g

HIPS, 560g

ASS'Y

PP, 30g

SGCC-M T0.6x320x650

PS, 37g

ABS-V0, 31g

REMOCON

Exploded Views and Parts List

Q'TY

SH12AWHD

1

2

1

1

1

1

1

1

1

1

1

1

1

1

1

2

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Samsung Electronics 11

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4-2 Outdoor Unit

17

17-1 17-2

17-5

17-3 17-4 17-6

16

3

4

2

17-7

20

21

17-8

13

12

1

6

8

10

9

11

7

5

18

15

14

19

19-4

19-3

17-9

19-2

19-1

12 Samsung Electronics

DB98_15924A(1)_SH12AWH_1 11/6/03 4:44 PM Page 13

Exploded Views and Parts List

■

Parts List

No.

Code No.

Description

13

14

15

16

17

10

11

12

5

6

7

8

9

1

2

3

4

DB90-01341A

DB63-00847A

DB90-01332A

DB64-00992A

DB90-01331A

DB63-00853A

DB90-01330B

DB99-00401A

DB94-00459C

DB61-01644A

DB31-00220A

DB67-00397A

DB60-30004A

DB63-00763A

ASS'Y-CABI FRONT

GUARD-FAN

ASS'Y CABI SIDE LF

HANDLE LF

ASS'Y CABI SIDE RH

COVER-CONTROL

ASS'Y-BASE

BRACKET-VALVE

ASS'Y-PARTITION

BRACKET-MOTOR

MOTOR-OUT

PROPELLER-FAN

NUT FLANGE

GROMMET

DB60-30028A NUT WASHER

DB96-03580B ASS'Y-COND

DB93-02748J ASS'Y-CONTROL OUT

17-1

17-2

17-3

17-4

17-5

17-6

17-7

17-8

DB62-01642A

2501-001237

2301-001375

DB65-40049E

DB65-10046A

DB61-00250A

DB93-00481J

DB33-00050A

CASE-CONTROL OUT

CAPACITOR-COMP

CAPACITOR-MOTOR

TERMINAL-BLOCK

CLIP-CAPACITOR

HOLDER-WIRE

ASS'Y WIRE-COM

SOLENOID-ASS'Y

17-9 DB35-00036M OLP

18 DB72-00726B SPONGE-FELT COMP CLOTH

19

19-1

DB95-00610G ASS'Y-COMP

G4B129JXAEL COMP

19-2 DB63-00765A GASKET

19-3 DB63-00763A COVER-TERMINAL

19-4 6021-001142 NUT FLANGE

20 DB96-03062C ASS'Y CHECK VALVE

21 DB96-04650A ASS'Y 4WAY VALVE

Specification

T0.7, SECD-P

PP, 378g

T0.6, SECC-P

PP, 30g

T0.6, SECC-P

ABS-V0, 66g

T1.0, SECC-P

SECC-P, T1.0x95x235

ASS'Y, SGCC-M, T0.6

SGCC-M T0.6x370x490

YDK-25F6M13E-1

AS+G/F 20%, 422g

SAMSUNG

2x24, FP1.5, LOUVER

ASS'Y

SGCC-M T0.6x150x250

35µFx450V

1.5µFx450V

WIRE, ASS'Y

RBC12074-12500

FELT+PVC

SAMSUNG

ASS'Y

ASS'Y

Q'TY

SH12AWHDX

3

3

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Samsung Electronics 13

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4-3 Ass’y-Contol In(Code No : DB93-02481L)

■

Parts List

No.

Code No.

8

9

10

11

12

5

6

7

1

2

3

4

DB61-01637A

DB93-02482A

DB65-00140A

DB93-02483A

DB61-01639A

DB61-00171A

6001-000929

6001-000725

6001-001054

DB39-00949A

DB39-00147A

DB32-00020D

Description

CASE-CONTROL

ASS'Y PCB MAIN

ASS'Y TERMINAL BLOCK

ASS'Y S/W & MODULE & DISPLAY PCB

PLATE-CONTROL

HOLDER-WIRE CLAMP

SCREW-MACHINE

SCREW-MACHINE

SCREW-MACHINE

CONNECTOR WIRE S/W & MODULE & DISPLAY

CONNECTOR WIRE STEP MOTOR UP/DOWN

ASS'Y THERMISTOR WIRE

Specification

ABS

FR-4, 120x90

4P

FR-1, 30x70

SGCC-M, T1-2

ABS

PH M3xL22

TH M4xL16

TH M4xL10

8P

5P

4P(103AT)

Q'TY

2

1

1

1

2

1

1

1

1

1

1

1

Remark

SNA

SNA

SNA

14 Samsung Electronics

DB98_15924A(1)_SH12AWH_1 11/6/03 4:44 PM Page 15

5. Block Diagram

REMOTE CONTROL

POWER ON/OFF

MODE

(AUTO, COOL, DRY,

FAN, HEAT)

TURBO OPERATION

1HR TIMER

FAN SPEED SELECT

(H/M/L)

FLAP

ON, OFF TIMER

SELECT

TEMPERATURE

SELECT

SLEEP SELECT

ENERGY SAVING

BATTERY CHECK

HEAT EXCHANGER SENSOR

ROOM TEMPERATURE SENSOR

INFRARED SIGNAL

RESET

CIRCUIT

CONTROLLER

IC-MCU

• BLADE CONTROL

• INDOOR FAN MOTOR CONTROL

• COMPRESSOR CONTROL

• TEMPERATURE CONTROL

• TIMER

• BUZZER CONTROL

• OUTDOOR FAN MOTOR CONTROL

• 4-WAY VALVE CONTROL

OSCILLATION

CIRCUIT

• COMPRESSOR CONTROL

SIGNAL

• STEPPING MOTOR

CONTROL SIGNAL

• BUZZER CONTROL SIGNAL

• OUTDOOR FAN MOTOR

CONTROL SIGNAL

• 4-WAY VALVE CONTROL

SIGNAL

TRIGGER

SIGNAL

SSR

ZERO

VOLTAGE

DETECT

• COMPRESSOR DRIVE

• OUTDOOR FAN MOTOR

DRIVE

• STEPPING MOTOR DRIVE

• BUZZER DRIVE

• 4-WAY VALVE DRIVE

BUZZER

DC 5V

VOLTAGE REGULATOR

DC 12V

SMPS Power Block

DISPLAY PART

OPERATION

TIMER

TURBO

INDOOR FAN MOTOR

COMPRESSOR

OUTDOOR FAN MOTOR

4-WAY VALVE

STEPPING MOTOR

: Blade up/down

AC INPUT

Samsung Electronics 15

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6. Schematic Diagram

6-1 Indoor Unit

16

This Document can not be used without Samsung's authorization.

Samsung Electronics

DB98_15924A(1)_co 11/6/03 4:44 PM Page 2

ELECTRONICS

This Service Manual is a property of Samsung Electronics Co., Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

© Samsung Electronics Co., Ltd. Nov. 2003.