Samsung SH07ZS2 Service Manual Download Page 1

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INDOOR UNIT

SH07ZS2
SH07ZS2A
SH09ZS2
SH09ZS2A
SH12ZS4
SH12ZS4A
AQ07S2GE
AQ09S2GE
AQ12S4GE
AQT12S4GB
AQT12S4GE

OUTDOOR UNIT

SH07ZS2X
SH07ZS2AX
SH09ZS2X
SH09ZS2AX
SH12ZS4X
SH12ZS4AX
UQ07S2GE
UQ09S2GE
UQ12S4GE
UQT12S4GB
UQT12S4GE

SERVICE

Manual

CONTENTS

AIR CONDITIONER

1. Product Specifications

2. Operating Instructions

3. Disassembly and Reassembly

4. Refrigerating Cycle Diagram

5. Set Up the Model Option

6. Troubleshooting

7. Exploded Views and Parts List

8. Block Diagram

9. PCB Diagram

10. Wiring Diagram

11. Schematic Diagram

ROOM AIR CONDITIONER

DB98_16693A(2)_co 3/19/04 2:26 PM Page 3

Summary of Contents for SH07ZS2

Page 1: ...H12ZS4AX UQ07S2GE UQ09S2GE UQ12S4GE UQT12S4GB UQT12S4GE SERVICE Manual CONTENTS AIR CONDITIONER 1 Product Specifications 2 Operating Instructions 3 Disassembly and Reassembly 4 Refrigerating Cycle Dia...

Page 2: ...7 800 BTU h 1 4 6 2 22 36 50 3 24 3 65 1 220 240 50 680 630 3 0 2 8 98 6 97 8 21 0 250V 10 16A 795x258x179 660x495x235 31 3x10 2x7 0 26 0x19 5x9 3 7 5 26 0 6 35 x 5 9 52 x 5 18 x 2 000 Rotary Cross f...

Page 3: ...6 5 24 36 50 3 15 3 53 1 220 240 50 730 680 3 3 3 1 96 2 95 4 21 0 250V 10 16A 795x258x179 660x495x235 31 3x10 2x7 0 26 0x19 5x9 3 7 5 26 1 6 35 x 5 9 52 x 5 18 x 2 000 Rotary Cross Flow Propeller st...

Page 4: ...50 3 15 3 53 1 220 240 50 730 680 3 3 3 1 96 2 95 4 21 0 250V 10 16A 795x258x179 660x495x235 31 3x10 2x7 0 26 0x19 5x9 3 7 5 26 1 6 35 x 5 9 52 x 5 18 x 2 000 Rotary Cross flow Propeller steel steel...

Page 5: ...ion Device OLP Cooling Test Condition Maximum Operation Condition Indoor unit Outdoor unit Indoor unit Outdoor unit Wall mounted 12 000 13 000 10 500 1 9 8 2 2 4 43 53 10 0 10 5 7 44 1 220 60 1 200 1...

Page 6: ...door inlet air D B temp C 20 25 30 35 40 45 32 4 24 0 30 6 22 5 28 8 21 0 27 0 19 0 24 0 17 0 21 5 15 0 6 5 5 5 4 5 3 5 9K BTU Outdoor inlet air D B temp C Low pressure kg cm 2 G Indoor inlet air D B...

Page 7: ...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 Aft...

Page 8: ...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...

Page 9: ...s 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 BUZZE...

Page 10: ...eplace 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 16 18page Replace another PCB D...

Page 11: ...de 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 f...

Page 12: ...ding 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 scr...

Page 13: ...assembly 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 De...

Page 14: ...ing 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...

Page 15: ...etach 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...

Page 16: ...igerating Cycle Diagram Indoor Unit Outdoor Unit T1 T2 2 Way valve 3 Way valve Gas side Heat Exchanger Heat Exchanger Liquid side Capillary tube 4 Way valve Cooling Heating Gas leak check point Compre...

Page 17: ...h 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 v...

Page 18: ...n key 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 Pres...

Page 19: ...SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SH07ZS2 SH07ZS2A AQ07S2GE SH09ZS2 SH09ZS2A AQ09S2GE SH12ZS4 SH12ZS4A AQ12S4GE AQT12S4GB AQT12S4GE 0 2 4 5 6 7 1 7 A 2 0 c 0 2 5 2 6 6 1 7 A 2 3 F 0 2 5...

Page 20: ...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 con...

Page 21: ...R 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 con...

Page 22: ...e 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 th...

Page 23: ...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...

Page 24: ...or 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 b...

Page 25: ...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 voltag...

Page 26: ...ng 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 re...

Page 27: ...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 fau...

Page 28: ...eck 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...

Page 29: ...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 12 5 6 6 1 CIS LATIN AMERICA EUROPE AFRICA You can search for the updated part code number through the ITSELF URL http itself...

Page 30: ...SS Y 1 1 4 DB63 00581A COVER TERMINAL HIPS 1 DB63 00588A COVER TERMINAL HIPS 1 1 5 DB93 01717R ASS Y REMOCON ASS Y 1 1 1 6 DB94 00547A ASS Y BACK BODY ASS Y 1 DB94 00508A ASS Y BACK BODY ASS Y 1 1 6 1...

Page 31: ...ATOR ASS Y 1 1 4 DB63 00581A COVER TERMINAL HIPS 1 DB63 00588A COVER TERMINAL HIPS 1 1 5 DB93 01717R ASS Y REMOCON ASS Y 1 1 1 6 DB94 00547A ASS Y BACK BODY ASS Y 1 DB94 00508A ASS Y BACK BODY ASS Y 1...

Page 32: ...Y REMOCON ASS Y 6 DB94 00547A ASS Y BACK BODY ASS Y 6 1 DB61 01779A BACK BODY HIPS 6 2 DB94 00258A ASS Y BEARING ASS Y 7 DB94 00040R ASS Y CROSS FAN ASS Y 8 DB31 00152B MOTOR FAN IN 220 240V 50 60Hz 9...

Page 33: ...Samsung Electronics 32 Samsung Electronics 32 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 34: ...3 02739A ASS Y CONTROL OUT ASS Y 1 DB93 02739B ASS Y CONTROL OUT ASS Y 1 15 1 2501 001236 CAPACITOR COMP 30uF 450VAC 1 1 2501 001234 CAPACITOR COMP 20uF 450VAC 1 2501 001238 CAPACITOR COMP 40uF 450VAC...

Page 35: ...DB93 02739C ASS Y CONTROL OUT ASS Y 1 15 1 2501 001237 CAPACITOR COMP 35uF 450VAC 1 1 1 2501 001236 CAPACITOR COMP 30uF 450VAC 1 15 2 2301 001375 CAPACITOR MOTOR 1 5uF 450VAC 1 1 1 1 15 3 DB65 40049E...

Page 36: ...MEMO 35 Samsung Electronics...

Page 37: ...Samsung Electronics 36 Samsung Electronics 36 7 3 Ass y Control In Indoor Unit AQO S2G SHO ZS2 NO PLUG DB93 02524A AQO S2G SHO ZS2 PLUG DB93 02524C...

Page 38: ...001054 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...

Page 39: ...Samsung Electronics 38 Exploded Views and Parts List Samsung Electronics 38 AQ T 12S4G SH12ZS4 DB93 02539A...

Page 40: ...ASE 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...

Page 41: ...ON 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...

Page 42: ...41 Samsung Electronics 9 PCB Diagram 9 1 ASS Y MAIN PCB 7K 9K 12K DB93 02447A TOP...

Page 43: ...Samsung Electronics 42 PCB Diagram BOTTOM...

Page 44: ...NTROLLER 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...

Page 45: ...2 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 WH...

Page 46: ...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 50...

Page 47: ...Samsung Electronics 46 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 48: ...authorization 10 2 Outdoor Unit SH07ZS2X SH09ZS2X UQT12S4GB UQT12S4GE Code No DB98 15123A C1 MOTOR CAPACITOR FM FAN MOTOR C2 COMP CAPACITOR O L P OVER LOAD PROTECTOR SH12ZS4X Code No DB98 16523A C1 MO...

Page 49: ...ing Diagram This Document can not be used without Samsung s authorization SH07ZS2AX SH09ZS2AX SH12ZS4AX UQ07S2GE UQ09S2GE UQ12S4GE Code No DB68 01624A C1 MOTOR CAPACITOR FM FAN MOTOR C2 COMP CAPACITOR...

Page 50: ...49 Samsung Electronics 11 Schematic Diagram 11 1 Indoor Unit 7K 9K 12K This Document can not be used without Samsung s authorization...

Page 51: ...MEMO Samsung Electronics 50...

Page 52: ...MEMO 51 Samsung Electronics...

Page 53: ...MEMO Samsung Electronics 52...

Page 54: ...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 Kor...

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