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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 : DB98-16252A

DB98_16999A(2)_1 04/3/12 10:28 AM Page 40

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Summary of Contents for SC07AS2

Page 1: ...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 Vie...

Page 2: ...st Condition Maximum Operation Condition Indoor unit Outdoor unit Wall mounted 2 30 0 9 6 2 22 36 50 2 95 1 220 240 50 780 3 5 96 9 17 0 250V 10 16A 795 x 258 x 179 660 x 495 x 235 31 3 x 10 2 x 7 0 2...

Page 3: ...ximum Operation Condition Indoor unit Outdoor unit Wall mounted 2 70 1 4 6 8 22 39 51 2 87 1 220 240 50 940 4 2 97 3 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...

Page 4: ...3 Samsung Electronics 1 2 Pressure Graph SC07AS2 SC07AS2A SC09AS2 SC12AS4...

Page 5: ...and 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 possibl...

Page 6: ...FAN SPEED Manual 3 step Auto 4 step Fan speed automatically varies depending on both the difference between setting and the room temperature 7 COMPULSORY OPERATION For operating the air conditioner w...

Page 7: ...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 13 15page Replace another PCB D...

Page 8: ...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 detach the Terminal Cover 7 Detach the thermistor fr...

Page 9: ...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 10: ...ssembly 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 Det...

Page 11: ...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 12: ...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 13: ...xchanger Evaporator Gas side 3 Way valve 2 Way valve Liquid side Capillary tube Gas leak check point Cross Fan Heat Exchanger Condenser Propeller Fan Compressor T1 T2 Cooling 4 Refrigerating Cycle Dia...

Page 14: ...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 15: ...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 16: ...Model Option OPTION ITEMS REMOCON MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SC07AS2 SC07AS2A SC09AS2 0 2 0 0 0 0 1 7 A 0 F b 0 2 0 0 0 0 1 7 A 0 F b 0 2 0 0 0 0 1 7 A 2 2 E...

Page 17: ...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 18: ...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 19: ...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 20: ...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 21: ...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 22: ...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 23: ...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 24: ...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 25: ...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 26: ...MEMO 25 Samsung Electronics...

Page 27: ...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 Explode...

Page 28: ...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 DB61 01779A BACK BODY HIPS 1 DB61 01780A BACK BODY HIPS 1 1 6 2 DB94 00258A ASS Y BEARING ASS Y 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 17 16 4 13 15 3 15 15 4 24...

Page 30: ...ASS Y PARTITION ASS Y 1 1 DB94 00497A ASS Y PARTITION ASS Y 1 DB94 00520B ASS Y PARTITION ASS Y 1 15 DB93 02688B ASS Y CONTROL OUT ASS Y 1 DB93 02688F ASS Y CONTROL OUT ASS Y 1 DB93 02688A ASS Y CONT...

Page 31: ...Samsung Electronics 30 7 3 Ass y Control In Indoor Unit SC07AS2 SC07AS2A SC09AS2 DB93 02524B...

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...

Page 33: ...Samsung Electronics 32 Exploded Views and Parts List SC12AS4 DB93 02539B...

Page 34: ...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 35: ...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 36: ...35 Samsung Electronics 9 PCB Diagram 9 1 ASS Y MAIN PCB 7K 9K 12K DB93 02447B TOP...

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

Page 38: ...C 4 6 1 IC01 IC PWM CONTROLLER 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...

Page 39: ...0mohm 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 HEAD...

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 50...

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 16252A...

Page 42: ...amsung Electronics This Document can not be used without Samsung s authorization 10 2 Outdoor Unit 7K 9K 12K Code No DB98 15721A C1 MOTOR CAPACITOR FM FAN MOTOR C2 COMP CAPACITOR O L P OVER LOAD PROTE...

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: ...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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