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Samsung SH07AS2, Service Manual

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Samsung SH07AS2 Service Manual Download Page 28

27

Samsung Electronics

Exploded Views and Parts List

■

Parts List

Q'TY

No.

Code No.

Description

Specification

Remark

SH07AS2

SH07AS2A

SH09AS2

SH12AS4

1

DB92-00574A

ASS'Y PANEL FRONT TOTAL

ASS'Y

-

-

1

DB92-00582A

ASS'Y PANEL FRONT TOTAL

ASS'Y

1

1

-

1-1

DB92-00575A

ASS'Y PANEL FRONT SVC

ASS'Y

-

-

1

DB92-00581A

ASS'Y PANEL FRONT SVC

ASS'Y

1

1

-

1-2

DB64-00984A

GRILLE UP

ABS

-

-

1

DB64-00987A

GRILLE UP

ABS

1

1

-

1-3

DB63-00858A

FILTER-AIR LF

PP

-

-

1

DB63-00856A

FILTER-AIR LF

PP

1

1

-

1-4

DB63-00859A

FILTER-AIR RH

PP

-

-

1

DB63-00857A

FILTER-AIR RH

PP

1

1

-

1-5

DB64-00986A

WINDOW DISPLAY

PC

1

1

1

1-6

DB61-01630A

HOLDER PCB

HIPS

1

1

1

1-7

DB61-01629A

HOLDER DISPLAY

ABS

1

1

1

2

DB64-00985A

GRILLE LOW 

ASS'Y

-

-

1

DB64-00988A

GRILLE LOW 

ASS'Y

1

1

-

3

DB96-03109A

ASS'Y EVAPORATOR TOTAL

ASS'Y

-

-

1

DB96-02145G

ASS'Y EVAPORATOR TOTAL

ASS'Y

1

1

-

3-1

DB96-03102A

ASS'Y EVAPORATOR ASS'Y

-

-

1

DB96-03101A

ASS'Y EVAPORATOR ASS'Y

1

1

-

4

DB63-00581A

COVER TERMINAL

HIPS

-

-

1

DB63-00588A

COVER TERMINAL

HIPS

1

1

-

5

DB93-01364B

ASS'Y REMOCON

ASS'Y

1

1

1

6

DB94-00490A

ASS'Y BACK BODY

ASS'Y

-

-

1

DB94-00508A

ASS'Y BACK BODY

ASS'Y

1

1

-

6-1

DB61-01779A

BACK BODY

HIPS

-

-

1

DB61-01119A

BACK BODY

HIPS

1

1

-

6-2

DB94-00258A

ASS'Y BEARING

ASS'Y

1

1

1

7

DB94-00040R

ASS'Y CROSS FAN

ASS'Y

-

-

1

DB94-00040F

ASS'Y CROSS FAN

ASS'Y

1

1

-

8

DB31-00152B

MOTOR-FAN IN

-

-

-

1

DB31-00152A

MOTOR-FAN IN

-

1

1

-

9

DB61-01099A

HOLDER-MOTOR

PP

-

-

1

DB61-01120A

HOLDER-MOTOR

PP

1

1

-

10

DB67-60030A

SPRING-SENSOR

STS301

1

1

1

11

DB70-00276A

PLATE-HANGER

SGCC-M

-

-

1

DB70-00288A

PLATE-HANGER

SGCC-M

1

1

-

12

DB93-02539A

ASS'Y CONTROL IN

ASS'Y

-

-

1

DB93-02524A

ASS'Y CONTROL IN

ASS'Y

1

1

-

13

DB90-00992A

HOLDER-PIPE

HIPS

-

-

1

DB61-01121A

HOLDER-PIPE

HIPS

1

1

-

14

DB94-00468B

ASS'Y TRAY DRAIN

ASS'Y

-

-

1

DB94-00465A

ASS'Y TRAY DRAIN

ASS'Y

1

1

-

14-1

DB63-00587A

TRAY DRAIN

HIPS

-

-

1

DB63-00592A

TRAY DRAIN

HIPS

1

1

-

14-2

DB94-00062E

ASS'Y HOSE DRAIN

ASS'Y

1

1

1

14-3

DB61-01103A

BLADE-H

HIPS

-

-

1

DB61-01125A

BLADE-H

HIPS

1

1

-

14-4

DB61-01104A

BLADE-V

PP

-

-

3

DB61-01126A

BLADE-V

PP

3

3

-

14-5

DB95-20138A

ASS'Y STEPPING MOTOR

ASS'Y

1

1

1

14-6

DB63-00634A

GUARD-SAFETY WIRE

STS27

-

-

1

OPTION

DB63-00635A

GUARD-SAFETY WIRE

STS27

1

1

-

OPTION

15

DB93-01549B

ASS'Y CONNECTOR POWER

1mm

2

x3C

1

1

1

 DB98_15920A(2)_1  04/3/9 11:01 AM  Page 27

Summary of Contents for SH07AS2

Page 1: ...l CONTENTS AIR CONDITIONER 11 Product Specifications 12 Operating Instructions 13 Disassembly and Reassembly 14 Refrigerating Cycle Diagram 15 Set Up the Model Option 16 Troubleshooting 17 Exploded Views and Parts List 18 Block Diagram 19 PCB Diagram 10 Wiring Diagram 11 Schematic Diagram ROOM AIR CONDITIONER ...

Page 2: ...P Cooling Test Condition Maximum Operation Condition Indoor unit Outdoor unit Wall mounted 2 30 2 40 0 9 6 2 19 6 8 19 36 50 2 95 3 24 1 220 240 50 780 740 3 5 3 3 96 9 97 5 17 0 250V 10 16A 795 x 258 x 179 660 x 495 x 235 31 3 x 10 2 x 7 0 26 0 x 19 5 x 9 3 7 5 25 6 ø6 35 x 7 5 ø9 52 x 7 5 ø18 x 2 000 Rotary Cross flow Propeller steel steel 11 20 2ROW 10STEP 1ROW 22STEP CAPILLARY TUBE 350 600 MRA...

Page 3: ...ondition Maximum Operation Condition Indoor unit Outdoor unit Wall mounted 2 70 2 90 1 4 6 8 19 7 4 19 39 51 2 87 3 22 1 220 240 50 940 900 4 2 4 0 97 3 97 8 21 0 250V 10 16A 795 x 258 x 179 660 x 495 x 235 31 3 x 10 2 x 7 0 26 0 x 19 5 x 9 3 7 5 26 3 ø6 35 x 7 5 ø9 52 x 7 5 ø18 x 2 000 Rotary Cross flow Propeller steel steel 11 20 2ROW 10STEP 1ROW 22STEP CAPILLARY TUBE 280 500 RBC12131 12500 Size...

Page 4: ...3 Samsung Electronics 1 2 Pressure Graph SH07AS2 SH07AS2A SH09AS2 SH12AS4 ...

Page 5: ... run the air conditioner or On Off timer set up Turbo Sleep mode selection button Press the button one or more times until appears The air conditioner cools or heats the room as quickly as possible After 30minutes the air conditioner is reset automatically to the previous mode UP Swing button It adjusts the airflow to upward and downward Mode selection button Each time you press this button Mode i...

Page 6: ... temperature release Prevention against freeze 5 TURBO MODE This mode is available in AUTO COOL HEAT DRY FAN MODE When this button is pressed at first the air conditioner is operated powerful state for 30 minutes regardless of the set temperature room temperature When this button is pressed again or when the operating time is 30 minutes turbo operation mode is canceled and returned to the previous...

Page 7: ...rs OFF TIMER The Off Timer enables you to switch off the air conditioner automatically after a given period of time You can set the period of time from 30 minutes to 24 hours 11 SELF DIAGNOSIS 12 BUZZER SOUND Whenever the On Off button is pressed or whenever change occurs to the condition which is set up or select the compulsory operation mode buzzer is sounded beep Lamp flickering Lamp off Indoor...

Page 8: ...Replace PCB Model option 2 2 1 Replace PCB model option No Yes Remove power cord Replace the PCB module Check the connection and plug in Refer to set up the Model option 14 16page Replace another PCB Does all display lamp blink ...

Page 9: ...ide the lower Front Grille down then disassemble it by pulling it forwards 5 Take the left and right Filter out 6 Loosen one of the right screw and separate the Terminal Cover 7 Detach the thermistor from the Front Grille 8 Loosen 5 fixing screws of Front Grille 9 At first press the left and center hook of the back side of the Panel Grille with the thumb to remove the hook And press the right of t...

Page 10: ...uding Power Cord 2 Detach the outdoor unit connection wire from the Terminal Block 3 If pulling the main PCB up it will be taken out 1 Pull Tray Drain out from the Back Body 1 Loosen 2 fixing earth screws of right side 2 Detach the Connection Pipe 3 Detach the Holder Pipe at the rear side 4 Loosen 3 fixing screws of right and left side 5 Detach the Heat Exchanger from the indoor unit ...

Page 11: ...ronics 10 No Parts Procedure Remark 5 Fan Motor Cross Fan 1 Loosen 2 fixing screws and detach the Motor Holder 2 Loosen 1 screw of Fan Motor By use of M3 wrench 3 Detach the Fan Motor from the Fan 4 Detach the Fan from the left Holder Bearing ...

Page 12: ...xing screw and detach the Cover Terminal 2 Loosen 1 fixing screw and detach the Cover Control 3 Detach the connection wire from the Terminal Block 4 Loosen 13 fixing screws and detach the Cabinet Front 5 Loosen 1 fixing screw of Ass y E part 6 Loosen 4 fixing screws and detach the Cabinet Side ...

Page 13: ...o detach the Motor 4 Loosen 5 fixing screws and detach the Motor Bracket from the Base 1 Loosen 2 fixing screws of left and right side 2 Disassemble the inlet and outlet pipe by welding 3 Detach the Heat Exchanger 1 Open the Terminal Cover of Compressor and unscrew the Connection Terminal 2 Disassemble the inlet and outlet pipe of Compressor by welding 3 Loosen 3 bolts of the lower part 4 Detach t...

Page 14: ...Cycle Diagram Indoor Unit Outdoor Unit T1 T2 2 Way valve 3 Way valve Gas side Heat Exchanger Evaporator Heat Exchanger Evaporator Liquid side Capillary tube 4 Way valve Cooling Heating Gas leak check point Compressor Cross Fan Propeller Fan ...

Page 15: ...sh the button the display panel reads or repeatedly Push the button to set the display panel to Every time you push the button the display panel reads repeatedly Setting is not required if you must a value which has a default 3 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 4 Push the button to set the display panel to Every time you p...

Page 16: ...ey to set the display part to and check the display part The display part shows Press the Mode Selection key to set the display part to and check the display part The display part shows 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 or Diriring is heard and the OPERATION ICON lamp of the display is flickering...

Page 17: ...e Model Option OPTION ITEMS REMOCON MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SH07AS2 SH07AS2A 0 2 6 0 6 5 1 7 A 0 F b 0 2 6 0 6 5 1 7 A 0 F b SH09AS2 SH12AS4 0 2 6 0 6 5 1 7 A 2 2 E 0 6 8 0 2 4 1 7 A 3 5 1 ...

Page 18: ... The compressor and indoor fan stop intermittently in HEAT mode In case of heat pump model Indoor fan and outdoor fan stop operation intermittently in a HEAT mode 1 2 3 4 5 6 7 8 9 Operation of air conditioner Explanation It indicates power is on The LED stops blinking if the opera tion ON OFF button on the remote control unit is pushed In happens after a delay of 3 minutes when the compressor is ...

Page 19: ...ER TURBO Lamp flickering Lamp off No response from the remote control operation signal Unable to operate the outdoor unit Plug out and plug in 5 seconds later Press the TURBO button with the remote control In 3 minutes check the voltage between the indoor unit terminal block N 1 and 1 Able to operate the remote control Unable to operate the remote control AC198V AC242V No power source displayed OK...

Page 20: ...he air conditioner Check whether two wires of power cord are connected correctly to the terminal block and control board Check whether the fuse on the control board is normal FUSE 3 15 A 250 V Check the output of SMPS on the control board Input power AC230 15 V IC02 Input DC 12 V IC02 output DC 5 V Check the setting temperature Check the indoor unit control board Check the display board Reconnect ...

Page 21: ...S Y PCB CN43 connector and measure the sensor resistance with an ohmmeter tester Connect the sensor to CN43 supply power and measure the voltage of 1 and 2 of the CN43 connector MICOM Error or Connector CN43 check Is the sensor resistance value 10KΩ 3 at the room temperature of 25 C Yes Poor ASS Y PCB Replace Below 0 5V Yes Poor ASS Y PCB Replace Over 4 9V Indoor unit room temperature sensor error...

Page 22: ...sor 3 Assemble the room pipe sensor to PCB plug in and check the voltage of connector 3 and 4 If the resistance is below 0 5V or over 4 9V replace the indoor Main PCB short or disconnected in the PCB board Temperature C 15 20 25 Temperature C 30 35 40 Resistance Value Kohm 8 31 6 94 5 83 Resistance Value Kohm 14 68 12 09 10 Others The data tolerance is 3 6 2 3 Room Pipe sensor failure Indoor unit ...

Page 23: ... 5 seconds Does the OPERATION lamp blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan motor sufficient Test rod location PCB CN72 Condition About AC 180V Normal voltage pin 3 and 5 Fan operating Yes Yes Yes Yes No No No Check as in the procedure NO power PCB is out of order PCB should be replaced Replace Motor Fan Capacitor Fan motor should be replaced Fan motor i...

Page 24: ...g out the power cord should be reconnected within 5 seconds Does the OPERATION lamp blink Yes No Yes No No No Yes Yes Outdoor unit is out of order Power relay is out of order Power relay should be replaced PCB should be checked Micom is out of order Sensor Should be replaced Room temperature sensor is out of order Check as in the procedure No Power Is the room sensor normal resistor 10 C 20 C 30 C...

Page 25: ...n start when swing button of the remote control unit pushed Voltage at pin 57 60 of micom IC04 change Squarewave Voltage at pin 2 5 of CN61 motor connector change Squarewave UP DOWN louver motor is faulty Driver IC06 08 ULN2003A is faulty Micom IC04 is faulty Normal Check as in the procedure No Power After training on the heating operation should start in 5 minutes Is the number 38 of Micom IC04 D...

Page 26: ...heck the voltage of No 3 and No 2 of the main PCB CN91 while operating the remote control When the voltage descends below 3V the assembly module PCB is normal and the main PCB is poor Then replace the main PCB 3 Replace the assembly display PCB because the module PCB is poor if the voltage between No 2 3 of CN91 maintains 5V after the remote control starts operation ...

Page 27: ...3 1 3 1 4 14 2 14 5 14 4 14 6 2 10 4 1 6 2 11 14 1 2 3 1 1 1 1 5 1 6 1 7 3 7 8 15 12 6 6 1 You can search for the updated part code number through the ITSELF URL http itself sec samsung co kr 7 Exploded Views and Parts List 7 1 Indoor Unit ...

Page 28: ... Y REMOCON ASS Y 1 1 1 6 DB94 00490A ASS Y BACK BODY ASS Y 1 DB94 00508A ASS Y BACK BODY ASS Y 1 1 6 1 DB61 01779A BACK BODY HIPS 1 DB61 01119A BACK BODY HIPS 1 1 6 2 DB94 00258A ASS Y BEARING ASS Y 1 1 1 7 DB94 00040R ASS Y CROSS FAN ASS Y 1 DB94 00040F ASS Y CROSS FAN ASS Y 1 1 8 DB31 00152B MOTOR FAN IN 1 DB31 00152A MOTOR FAN IN 1 1 9 DB61 01099A HOLDER MOTOR PP 1 DB61 01120A HOLDER MOTOR PP 1...

Page 29: ...Samsung Electronics 28 7 2 Outdoor Unit 12 15 1 15 2 4 2 14 5 15 6 18 19 9 2 11 22 10 21 15 5 20 4 1 7 6 23 8 3 1 16 17 4 13 15 7 15 3 15 15 4 ...

Page 30: ... ASS Y PARTITION ASS Y 1 1 DB94 00497A ASS Y PARTITION ASS Y 1 DB94 00520A ASS Y PARTITION ASS Y 1 15 DB93 02556C ASS Y CONTROL OUT ASS Y 1 DB93 02556B ASS Y CONTROL OUT ASS Y 1 DB93 02556A ASS Y CONTROL OUT ASS Y 1 DB93 02556Q ASS Y CONTROL OUT ASS Y 1 15 1 2501 001237 CAPACITOR COMP 35uF 450VAC 1 1 2501 001236 CAPACITOR COMP 30uF 450VAC 1 1 15 2 2301 001375 CAPACITOR MOTOR 1 5uF 450VAC 1 1 1 1 1...

Page 31: ...Samsung Electronics 30 7 3 Ass y Control In Indoor Unit SH07AS2 SH07AS2A SH09AS2 DB93 02524A ...

Page 32: ... 01630A CASE CONTROL ASS Y MAIN PCB ASS Y TERMINAL BLOCK ASS Y SUB PCB PLATE TERMINAL LOW HOLDER WIRE CLAMP SCREW MACHINE SCREW MACHINE SCREW MACHINE ASS Y C W SUB ASS Y C W STEP MOTOR ASS Y THERMISTOR HOLDER DISPLAY WINDOW DISPLAY ASS Y HOLDER PCB ABS ASS Y ASS Y ASS Y SGCC M T1 2 ABS PH M3xL22 TH M4xL16 PH M4xL10 ASS Y ASS Y 4P 103AT ABS HIPS 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 SNA SNA SNA Code No No ...

Page 33: ...Samsung Electronics 32 Exploded Views and Parts List SH12AS4 DB93 02539A ...

Page 34: ...CASE CONTROL ASS Y MAIN PCB ASS Y TERMINAL BLOCK ASS Y SUB PCB PLATE TERMINAL LOW HOLDER WIRE CLAMP SCREW MACHINE SCREW MACHINE SCREW MACHINE ASS Y C W SUB ASS Y C W STEP MOTOR ASS Y THERMISTOR HOLDER DISPLAY WINDOW DISPLAY ASS Y HOLDER PCB ABS ASS Y ASS Y ASS Y SGCC M T1 2 ABS PH M3xL22 TH M4xL16 PH M4xL10 ASS Y ASS Y 4P 103AT ABS HIPS 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 SNA SNA SNA SNA Code No No Q TY...

Page 35: ...ION SLEEP SELECT MODE AUTO COOL DRY FAN FAN SPEED SELECT H M L BLADE H MOVING SELECT ON OFF TIMER SELECT FUNCTION SELECT TEMPERATURE SELECT ZERO VOLTAGE DETECT BLADE CONTROL AUTO GRILLE CONTROL INDOOR FAN MOTOR CONTROL COMPRESSOR CONTROL TEMPERATURE CONTROL TIMER BUZZER CONTROL FUNCTION CONTROL TRIGGER SIGNAL SSR COMPRESSOR DRIVE OUTDOOR FAN MOTOR DRIVE STEPPING MOTOR DRIVE BUZZER DRIVE FUNCTION D...

Page 36: ...35 Samsung Electronics 9 PCB Diagram 9 1 ASS Y MAIN PCB 7K 9K 12K DB93 02447A TOP ...

Page 37: ...Samsung Electronics 36 PCB Diagram BOTTOM ...

Page 38: ...ONTROLLER 255 DIP 8P 300MIL PLASTIC 0 3 700V 40TO 150C 1 530mA ST NTC1 THERMISTOR NTC 22Ohm 1 4A 3100K 9 5mW C 7 0 1 VA71 VARISTOR 560V 2500A 17 5x7 5mm TP 1 R609 R CHIP 560ohm 5 1 8W TP 2012 1 R102 R CHIP 100ohm 5 1 8W TP 2012 1 R209 R501 R601 R603 R CHIP 10Kohm 5 1 8W TP 2012 6 R605 R908 R210 R211 R212 R301 R CHIP 1Kohm 5 1 8W TP 2012 11 R302 R401 R402 R404 R602 R604 R610 R103 R CHIP 220ohm 5 1 ...

Page 39: ...02 FUSE CLIP 250V 7 5A 30mohm 1 F702 FUSE CARTRIDGE 250V 3 15A TIME LAG GLASS 5x20mm 1 CN71 CONNECTOR HEADER 1WALL 3P 1R 7 92mm STRAIGHT SN BLU 1 CN72 CONNECTOR HEADER 1WALL 3P 1R 7 92mm STRAIGHT SN WHT 1 CN91 CONNECTOR HEADER BOX 8P 1R 2mm ANGLE SN 1 CN61 CONNECTOR HEADER BOX 5P 1R 2mm ANGLE SN WHT 1 CN43 CONNECTOR HEADER BOX 4P 1R 2mm STRAIGHT SN 1 CN44 CONNECTOR HEADER BOX 3P 1R 2 5mm ANGLE TIN...

Page 40: ... 08 WHT 1 SNA 4 LED LAMP GRN SM3517 2 SNA 5 LED LAMP ORG SO3517 1 SNA 6 RESISTOR 470ohm 1 2W 1 SNA 7 MODULE REMOCON FRP4021H10 1 SNA 8 DIODE 1N4148 1 SNA 9 C CERAMIC 1nF 50V 1 SNA 10 C CERAMIC 100nF 50V 1 SNA 11 JUMPER 10mm 1 SNA No Q TY Remark Description Specification 9 2 ASS Y SUB PCB 7K 9K 12K DB93 02525A ...

Page 41: ...Samsung Electronics 40 10 Wiring Diagram 10 1 Indoor Unit 7K 9K 12K This Document can not be used without Samsung s authorization Code No DB98 15135A ...

Page 42: ...41 Samsung Electronics This Document can not be used without Samsung s authorization 10 2 Outdoor Unit Code No DB98 15123A C1 MOTOR CAPACITOR FM FAN MOTOR C2 COMP CAPACITOR O L P OVER LOAD PROTECTOR ...

Page 43: ...Samsung Electronics 42 11 Schematic Diagram 11 1 Indoor Unit 7K 9K 12K This Document can not be used without Samsung s authorization ...

Page 44: ...MEMO 43 Samsung Electronics ...

Page 45: ...MEMO Samsung Electronics 44 ...

Page 46: ...e 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 Mar 2004 Printed in Korea Code No DB98 15920A 2 ...

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