Samsung SC09AWH Service Manual
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Samsung SC09AWH Service Manual

Samsung SC09AWH Service Manual

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SERVICE
AIR CONDITIONER
ROOM AIR CONDITIONER
INDOOR UNIT
SC09AWH
SC09ZWH
AS09WHWE
AS09WHWD
KF-25G/SWA
SC12AWH
SC12ZWH
AS12WHWE
AS12WHWD
KF-35G/SWA
AS12WHWE
Manual
CONTENTS
1. Product Specifications
2. Disassembly and Reassembly
3. Refrigerating Cycle Diagram
4. Set Up the Model Option
5. Troubleshooting
6. Exploded Views and Parts List
7. Block Diagram
8. Wiring Diagram
9. Schematic Diagram
OUTDOOR UNIT
SC09AWHX
SC09ZWHX
US09WHWE
US09WHWD
KF-25W/SWA
SC12AWHX
SC12ZWHX
US12WHWE
US12WHWD
KF-35W/SWA

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  • Page 1 ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT SC09AWH SC09AWHX SC09ZWH SC09ZWHX AS09WHWE US09WHWE AS09WHWD US09WHWD KF-25G/SWA KF-25W/SWA SC12AWH SC12AWHX SC12ZWH SC12ZWHX AS12WHWE US12WHWE AS12WHWD US12WHWD KF-35W/SWA KF-35G/SWA AS12WHWE Manual SERVICE AIR CONDITIONER CONTENTS 1. Product Specifications 2. Disassembly and Reassembly 3.
  • Page 2 ELECTRONICS © Samsung Electronics Co., Ltd. Apr. 2004. This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No. DB98-16569A(2)

  • Page 4: Table Of Contents

    ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT SC09AWH SC09AWHX SC09ZWH SC09ZWHX AS09WHWE US09WHWE AS09WHWD US09WHWD KF-25G/SWA KF-25W/SWA SC12AWH SC12AWHX SC12ZWH SC12ZWHX AS12WHWE US12WHWE AS12WHWD US12WHWD KF-35W/SWA KF-35G/SWA Manual SERVICE AIR CONDITIONER CONTENTS 1. Product Specifications 2. Disassembly and Reassembly 3. Refrigerating Cycle Diagram 4.

  • Page 5: Product Specifications

    1. Product Specifications 1-1 Table Model SC09AWH SC12AWH Item Indoor unit Outdoor unit Indoor unit Outdoor unit Type Wall-mounted Wall-mounted Cooling Dehumidifying Air Volume /min Perfor- mance Noise 38 / 36 / 34 51 / 51 41 / 39 / 37...
  • Page 6 CAPILLARY TUBE Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RAC12110-9622 RAC12074-9622 Cooling Test Condition INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C Maximum Operation Condition INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C Samsung Electronics...
  • Page 7 Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RAC12054-9622 RAC12074-9622 Cooling Test Condition INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C Maximum Operation Condition INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C Samsung Electronics Samsung Electronics...
  • Page 8 CAPILLARY TUBE Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RAC12054-9622 RAC12074-9622 Cooling Test Condition INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C Maximum Operation Condition INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C Samsung Electronics...

  • Page 9: Disassembly And Reassembly

    2) Open the Front Grille by pulling right and left sides of the hook. 3) Loosen 1 of the right screw and detach the Terminal Cover. 4) Detach the thermistor from the Front Grille. 5) Loosen 2 fixing screws of Front Grille. Samsung Electronics...
  • Page 10 1) Take all the connector of PCB upper side (Main PCB) out. (Inclusion Power Cord) 2) Detach the outdoor unit connection wire from the Terminal Block. 3) Loosen 4 fixing screws of Ass'y Control-In. Tray Drain 1) Pull Tray Drain out from the Back Body. Samsung Electronics...
  • Page 11 1) Loosen the fixing screw and detach the Fan Motor & Motor Holder. Cross Fan 2) Detach the Fan Motor from the Fan. 3) Detach the Fan From the left Holder Bearing. Samsung Electronics...
  • Page 12 Cabinet-Side edge and a fixing screw on the Cabinet-Front lower to detach the Cabinet-Front. 2) Loosen 2 fixing screws of the Ass'y-Control. 3) Loosen 6 fixing screws of the Cabinet-Side 4) Loosen 2 fixing screws of the Cabinet-Side Samsung Electronics...
  • Page 13 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...

  • Page 14: Refrigerating Cycle Diagram

    3. Refrigerating Cycle Diagram 3-1 Refrigerating Cycle Diagram Outdoor Unit Indoor Unit Capillary tube 2-Way valve Liquid side Heat Heat Exchanger Exchanger (Evaporator) (Condenser) Gas side 3-Way valve Cooling Compressor Gas Leak Check Point Samsung Electronics...
  • Page 15 Indoor Temp.( C) DB32.4 / WB24.0 DB30.6 / WB22.5 DB27.0 / WB19.0 DB24.0 / WB17.0 DB21.0 / WB15.0 25.0 35.0 45.0 Outdoor Temp.(DB C) 12,000Btu Cooling Capacity Distribution Indoor Temp.( C) DB32.4/WB24.0 DB30.6/WB22.5 DB27.0/WB19.0 DB24.0/WB17.0 DB21.0/WB15.0 Outdoor Temp.(DB C) Samsung Electronics...
  • Page 16 1,100 1,000 Outdoor Temp.(DB C) 12,000Btu Power consumption Distribution(Cooling mode) Indoor Temp.( C) 1,600 DB32.4 / WB24.0 DB30.6 / WB22.5 DB27.0 / WB19.0 DB24.0 / WB19.0 1,500 DB21.5 / WB15.0 1,400 1,300 1,200 1,100 1,000 Outdoor Temp.(DB C) Samsung Electronics...
  • Page 17 1,200 1,100 1,000 15.0 15.0 Length of Connecting Pipe(m) Length of Connecting Pipe(m) 12,000Btu Power consumption(Cooling) Cooling Capacity 3.70 1,350 3.50 1,300 3.30 1,250 3.10 1,200 1,150 2.90 15.0 15.0 Length of Connecting Pipe(m) Length of Connecting Pipe(m) Samsung Electronics...

  • Page 18: Set Up The Model Option

    Every time you push the button, the display panel reads . . . repeatedly. 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...
  • Page 19 Every time you push the button, the display panel reads . . . repeatedly. Setting Option SEG10. Push the button to set the display panel to Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 20 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. 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 its model. Samsung Electronics...
  • Page 21 4-2 Table of the option Code Option Code Model SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SC09AWH SC09ZWH AS09WHWD AS09WHWE KF-25G / SWA SC12AWH SC12ZWH AS12WHWD AS12WHWE KF-35G / SWA Samsung Electronics...

  • Page 22: Troubleshooting

    The compressor stops intermittently or the fan speed of the The compressor stops intermittently in a COOL mode or indoor unit decreases to prevent inside/outside air frozen DRY mode, and fan speed of the indoor unit decreases. depending on the inside/outside air temperature. Samsung Electronics...
  • Page 23 Problem with the outdoor unit or PCB outdoor unit remote control. • In 3 minutes, check the voltage No power source Problem with the relay (RY71) or PCB between the indoor unit terminal displayed. block N(1) and 1. Samsung Electronics...
  • Page 24 Check whether the fuse on the Replace fuse control board is normal. F701: 3.15[A]/250[V] Check the output of SMPS on the control board. Input power: AC230±15%[V] Replace the control board IC02 Input: DC 12[V] IC02 output: DC 5[V] Check the setting temperature Samsung Electronics...
  • Page 25 Test rod location Normal Voltage PCB CN72 Condition About AC pin #3 and #5 Fan operate 180V Replace Motor Motor Fan-Capacitor is out of order Fan-Capacitor Fan motor Fan motor is out of order. should be replaced. Samsung Electronics...
  • Page 26 Is rating voltage ±10% range applied relay between Power relay is Power relay should be Terminal block No. N(1) and No. 1 out of order replaced. Outdoor unit is out of order. Is the room sensor normal register? 10°C 20°C 30°C 17.96kΩ 12.09kΩ 8.3kΩ Samsung Electronics...
  • Page 27 Voltage at pin #57~#60 Micom (IC04) is faulty. of micom (IC04) change? (Squarewave) Voltage at pin #16 of IC06(ULN2003A) and #10~#12 of Driver IC06/08 (ULN2003A) is faulty. IC08(ULN2003A) change? (Squarewave) UP/DOWN louver motor is faulty. Samsung Electronics...
  • Page 28 SENSOR Resistance Value : 40˚C-5.83kΩ Connect the sensor to CN43, supply power, and measure the voltage of #1 and #2 of the CN43 connector. Poor ASS'Y PCB Replace Below 0.5V? Poor ASS'Y PCB Replace Over 4.9V? MICOM Error or Connector(CN43) check Samsung Electronics...
  • Page 29 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. Samsung Electronics...
  • Page 30 2) The fan motor of the indoor unit doesn't run. • Fan Motor Connector(CN72) is faulty • ASS'Y Main PCB is faulty 3) The power voltage between terminal #3 and #5 • Connection is faulty of the connector(CN72) is 0V. Samsung Electronics...
  • Page 31 32.430 3.537 6.941 14.680 33.890 3.652 7.192 15.280 35.430 3.772 7.455 15.900 37.050 3.897 7.729 16.550 38.760 4.026 8.015 17.240 40.560 4.161 8.313 17.960 Temperature Sensor Characteristic Curve Temperature (˚C) At the temperature of 25˚C(10KΩ) Resistance Value (Kohm) Samsung Electronics...
  • Page 32 ∞, 0Ω . . . Open or Short Abnormal Stepping Motor Measure the resistance between the red wire and each terminal wire with a tester. Normal About 300Ω at the normal temperature (20˚C ~ 30˚C) ∞, 0Ω . . . Open or Short Abnormal Samsung Electronics...
  • Page 33 MEMO Samsung Electronics...

  • Page 34: Exploded Views And Parts List

    6. Exploded Views and Parts List 6-1 Indoor Unit 3-8-1 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics...
  • Page 35 Exploded Views and Parts List Parts List Q'TY Code No. Description Specification Remark SC09AWH SC12AWH DB94-00454B ASS'Y-BACK BODY ASS'Y DB61-01632A BACK-BODY HIPS DB69-00834A CUSHION-BACK BODY DB61-01634A SUPPORTER-EVAP RH HIPS DB31-00219A MOTOR-IN YDK-20S4F8C-1 DB94-00456A ASS'Y-CROSS FAN OD92x635 DB97-02075A ASS'Y BOLT-SPECIAL ASS'Y...
  • Page 36 ASS'Y-CONTROL IN ASS'Y Refer to page 41 DB92-00536A ASS'Y-PANEL FRONT ASS'Y DB64-00989A PANEL-FRONT HIPS DB64-00990A GRILLE-AIR INLET HIPS DB97-02064A ASS'Y-COVER DISPLAY ASS'Y DB63-00846A GUARD-AIR FILTER DB70-00406A PLATE-HANGER SGCC-M T0.6x320x650 DB61-01638A HOLDER-PIPE DB63-00844A COVER TERMINAL ABS-V0 DB93-02532A ASS'Y-REMOCON REMOCON Samsung Electronics...
  • Page 37 ASS'Y-CONTROL IN ASS'Y Refer to page 41 DB92-00536B ASS'Y-PANEL FRONT ASS'Y DB64-00989A PANEL-FRONT HIPS DB63-00846B GRILLE-AIR INLET HIPS DB97-02064A ASS'Y-COVER DISPLAY ASS'Y DB63-00846A GUARD-AIR FILTER DB70-00406A PLATE-HANGER SGCC-M T0.6x320x650 DB61-01638A HOLDER-PIPE DB63-00844A COVER TERMINAL ABS-V0 DB93-02532C ASS'Y-REMOCON REMOCON Samsung Electronics...
  • Page 38 ASS'Y-CONTROL IN ASS'Y Refer to page 41 DB92-00536B ASS'Y-PANEL FRONT ASS'Y DB64-00989A PANEL-FRONT HIPS DB63-00846B GRILLE-AIR INLET HIPS DB97-02064A ASS'Y-COVER DISPLAY ASS'Y DB63-00846A GUARD-AIR FILTER DB70-00406A PLATE-HANGER SGCC-M T0.6x320x650 DB61-01638A HOLDER-PIPE DB63-00844A COVER TERMINAL ABS-V0 DB93-02532A ASS'Y-REMOCON REMOCON Samsung Electronics...
  • Page 39 ASS'Y-CONTROL IN ASS'Y Refer to page 41 DB92-00536A ASS'Y-PANEL FRONT ASS'Y DB64-00989A PANEL-FRONT HIPS DB64-00990A GRILLE-AIR INLET HIPS DB97-02064A ASS'Y-COVER DISPLAY ASS'Y DB63-00846A GUARD-AIR FILTER DB70-00406A PLATE-HANGER SGCC-M T0.6x320x650 DB61-01638A HOLDER-PIPE DB63-00844A COVER TERMINAL ABS-V0 DB93-02532A ASS'Y-REMOCON REMOCON Samsung Electronics...
  • Page 40 6-2 Outdoor Unit 17-1 17-2 17-5 17-3 17-4 17-6 17-7 17-8 19-4 19-3 17-9 19-2 19-1 Samsung Electronics...

  • Page 41: Exploded Views And Parts List

    802 141 55, SANYO 19-2 DB63-00943A GASKET DB63-00999A GASKET 19-3 DB63-00942A COVER-TERMINAL 19-4 DB60-30018A NUT FLANGE DB96-03233A ASS'Y CAPILLARY ASS'Y DB96-03232A ASS'Y-TUBE SUCTION ASS'Y DB62-02566A ASS'Y-TUBE SUCTION ASS'Y DB62-02557A TUBE DISCHARGE C1220T-0 DB62-02565A TUBE DISCHARGE C1220T-0 DB71-00090A BAR-STEEL DB71-00090B BAR-STEEL Samsung Electronics...
  • Page 42 19-2 DB63-20002A GASKET 19-3 DB63-10165A COVER-TERMINAL 19-4 DB60-30018A NUT FLANGE DB96-03319A ASS'Y CAPILLARY ASS'Y DB96-03319B ASS'Y CAPILLARY ASS'Y DB96-03569A ASS'Y-TUBE SUCTION ASS'Y DB96-03567A ASS'Y-TUBE SUCTION ASS'Y DB62-02757A TUBE DISCHARGE C1220T-0 DB62-02758A TUBE DISCHARGE C1220T-0 DB71-00090A BAR-STEEL DB71-00090B BAR-STEEL Samsung Electronics...
  • Page 43 19-2 DB63-20002A GASKET 19-3 DB63-10165A COVER-TERMINAL 19-4 DB60-30018A NUT FLANGE DB96-03319A ASS'Y CAPILLARY ASS'Y DB96-03319C ASS'Y CAPILLARY ASS'Y DB96-03569A ASS'Y-TUBE SUCTION ASS'Y DB96-03567B ASS'Y-TUBE SUCTION ASS'Y DB62-02757B TUBE DISCHARGE C1220T-0 DB62-02758B TUBE DISCHARGE C1220T-0 DB71-00090A BAR-STEEL DB71-00090B BAR-STEEL Samsung Electronics...
  • Page 44 19-2 DB63-20002A GASKET 19-3 DB63-10165A COVER-TERMINAL 19-4 DB60-30018A NUT FLANGE DB96-03319A ASS'Y CAPILLARY ASS'Y DB96-03319C ASS'Y CAPILLARY ASS'Y DB96-03569A ASS'Y-TUBE SUCTION ASS'Y DB96-03567B ASS'Y-TUBE SUCTION ASS'Y DB62-02757B TUBE DISCHARGE C1220T-0 DB62-02758B TUBE DISCHARGE C1220T-0 DB71-00090A BAR-STEEL DB71-00090B BAR-STEEL Samsung Electronics...

  • Page 45: Block Diagram

    (H/M/L) BUZZER • STEPPING MOTOR DRIVE STEPPING MOTOR • BUZZER DRIVE FLAP : BLADE UP/DOWN ON, OFF TIMER SELECT TEMPERATURE DC 5V SELECT VOLTAGE REGULATOR SLEEP SELECT DC 12V ENERGY SAVING SMPS POWER BLOCK BATTERY CHECK AC INPUT Samsung Electronics...

  • Page 46: Schematic Diagram

    9. Schematic Diagram 9-1 Indoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 47 MEMO Samsung Electronics...
  • Page 48 MEMO Samsung Electronics...
  • Page 49 MEMO Samsung Electronics...
  • Page 50 ELECTRONICS © Samsung Electronics Co., Ltd. Apr. 2004. This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No. DB98-16569A(2)

  • Page 51: Product Specifications

    1. Product Specifications 1-1 Table Model SC09AWH SC12AWH Item Indoor unit Outdoor unit Indoor unit Outdoor unit Type Wall-mounted Wall-mounted Cooling Dehumidifying Air Volume /min Perfor- mance Noise 38 / 36 / 34 51 / 51 41 / 39 / 37...
  • Page 52 CAPILLARY TUBE Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RAC12110-9622 RAC12074-9622 Cooling Test Condition INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C Maximum Operation Condition INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C Samsung Electronics...
  • Page 53 Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RAC12054-9622 RAC12074-9622 Cooling Test Condition INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C Maximum Operation Condition INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C Samsung Electronics Samsung Electronics...
  • Page 54 CAPILLARY TUBE Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RAC12054-9622 RAC12074-9622 Cooling Test Condition INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C Maximum Operation Condition INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C Samsung Electronics...
  • Page 55 The On Timer enables you to switch on the air conditioner automatically after a given period of time that is from 1 hour to 24 hours. To set the operating time, press the button one or more times until the required time display. Samsung Electronics...
  • Page 56 On Timer or Off Timer set. Battery life indicator. If you want to check the battery life, press the button. The longer will remain the battery life. If one battery life indicator remains, replace new batteries. Samsung Electronics...
  • Page 57 SLEEP MODE : Sleep mode is available only in COOL mode. The operation will stop after 6 hours. *In COOL mode : The setting temperature is automatical- ly raised by 1°C each 1hour When the temperature has been raised by total of 2°C, that temperature is maintained. Samsung Electronics...

  • Page 58: Before Installation

    Electric and earth work shall meet the "Electric Facility Technology Standard" and the "Internal Wire Regulation" of the Electric Business Laws. I Inspection & Trial Run Upon completion of the tests, you shall make a trial run while you explain the main functions of the air conditioner to finish the installation. Samsung Electronics...

  • Page 59: Installation Diagram Of Indoor Unit And Outdoor Unit

    3-Way valve. And mount the service port cap to 3-Way valve. (gas) 7) Check for gas leakage. - At this time, especially check for gas leakage from the 3-Way valve’s stem nuts, (liquid) and from the service port cap. Valve stem Stem cap Samsung Electronics...
  • Page 60 7) Stop operation of the air conditioner. 8) Close the 3-Way valve, disconnect the pressure gauge, and open the 3-Way valve again. 9) Close the cap of each valve. Samsung Electronics...
  • Page 61 • Make sure you do not bend the connection pipes in the middle and store together with the cables. • Move the indoor and outdoor units to a new location. • Remove the mounting plate for the indoor unit and move it to a new location. Samsung Electronics...
  • Page 62 2) Open the Front Grille by pulling right and left sides of the hook. 3) Loosen 1 of the right screw and detach the Terminal Cover. 4) Detach the thermistor from the Front Grille. 5) Loosen 2 fixing screws of Front Grille. Samsung Electronics...
  • Page 63 1) Take all the connector of PCB upper side (Main PCB) out. (Inclusion Power Cord) 2) Detach the outdoor unit connection wire from the Terminal Block. 3) Loosen 4 fixing screws of Ass'y Control-In. Tray Drain 1) Pull Tray Drain out from the Back Body. Samsung Electronics...
  • Page 64 1) Loosen the fixing screw and detach the Fan Motor & Motor Holder. Cross Fan 2) Detach the Fan Motor from the Fan. 3) Detach the Fan From the left Holder Bearing. Samsung Electronics...
  • Page 65 Cabinet-Side edge and a fixing screw on the Cabinet-Front lower to detach the Cabinet-Front. 2) Loosen 2 fixing screws of the Ass'y-Control. 3) Loosen 6 fixing screws of the Cabinet-Side 4) Loosen 2 fixing screws of the Cabinet-Side Samsung Electronics...
  • Page 66 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...

  • Page 67: Set Up The Model Option

    Every time you push the button, the display panel reads . . . repeatedly. 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...
  • Page 68 Every time you push the button, the display panel reads . . . repeatedly. Setting Option SEG10. Push the button to set the display panel to Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 69 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. 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 its model. Samsung Electronics...
  • Page 70 4-2 Table of the option Code Option Code Model SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SC09AWH SC09ZWH AS09WHWD AS09WHWE KF-25G / SWA SC12AWH SC12ZWH AS12WHWD AS12WHWE KF-35G / SWA Samsung Electronics...
  • Page 71 3. Refrigerating Cycle Diagram 3-1 Refrigerating Cycle Diagram Outdoor Unit Indoor Unit Capillary tube 2-Way valve Liquid side Heat Heat Exchanger Exchanger (Evaporator) (Condenser) Gas side 3-Way valve Cooling Compressor Gas Leak Check Point Samsung Electronics...
  • Page 72 Indoor Temp.( C) DB32.4 / WB24.0 DB30.6 / WB22.5 DB27.0 / WB19.0 DB24.0 / WB17.0 DB21.0 / WB15.0 25.0 35.0 45.0 Outdoor Temp.(DB C) 12,000Btu Cooling Capacity Distribution Indoor Temp.( C) DB32.4/WB24.0 DB30.6/WB22.5 DB27.0/WB19.0 DB24.0/WB17.0 DB21.0/WB15.0 Outdoor Temp.(DB C) Samsung Electronics...
  • Page 73 1,100 1,000 Outdoor Temp.(DB C) 12,000Btu Power consumption Distribution(Cooling mode) Indoor Temp.( C) 1,600 DB32.4 / WB24.0 DB30.6 / WB22.5 DB27.0 / WB19.0 DB24.0 / WB19.0 1,500 DB21.5 / WB15.0 1,400 1,300 1,200 1,100 1,000 Outdoor Temp.(DB C) Samsung Electronics...
  • Page 74 1,200 1,100 1,000 15.0 15.0 Length of Connecting Pipe(m) Length of Connecting Pipe(m) 12,000Btu Power consumption(Cooling) Cooling Capacity 3.70 1,350 3.50 1,300 3.30 1,250 3.10 1,200 1,150 2.90 15.0 15.0 Length of Connecting Pipe(m) Length of Connecting Pipe(m) Samsung Electronics...
  • Page 75 The compressor stops intermittently or the fan speed of the The compressor stops intermittently in a COOL mode or indoor unit decreases to prevent inside/outside air frozen DRY mode, and fan speed of the indoor unit decreases. depending on the inside/outside air temperature. Samsung Electronics...
  • Page 76 Problem with the outdoor unit or PCB outdoor unit remote control. • In 3 minutes, check the voltage No power source Problem with the relay (RY71) or PCB between the indoor unit terminal displayed. block N(1) and 1. Samsung Electronics...
  • Page 77 Check whether the fuse on the Replace fuse control board is normal. F701: 3.15[A]/250[V] Check the output of SMPS on the control board. Input power: AC230±15%[V] Replace the control board IC02 Input: DC 12[V] IC02 output: DC 5[V] Check the setting temperature Samsung Electronics...
  • Page 78 Test rod location Normal Voltage PCB CN72 Condition About AC pin #3 and #5 Fan operate 180V Replace Motor Motor Fan-Capacitor is out of order Fan-Capacitor Fan motor Fan motor is out of order. should be replaced. Samsung Electronics...
  • Page 79 Is rating voltage ±10% range applied relay between Power relay is Power relay should be Terminal block No. N(1) and No. 1 out of order replaced. Outdoor unit is out of order. Is the room sensor normal register? 10°C 20°C 30°C 17.96kΩ 12.09kΩ 8.3kΩ Samsung Electronics...
  • Page 80 Voltage at pin #57~#60 Micom (IC04) is faulty. of micom (IC04) change? (Squarewave) Voltage at pin #16 of IC06(ULN2003A) and #10~#12 of Driver IC06/08 (ULN2003A) is faulty. IC08(ULN2003A) change? (Squarewave) UP/DOWN louver motor is faulty. Samsung Electronics...
  • Page 81 SENSOR Resistance Value : 40˚C-5.83kΩ Connect the sensor to CN43, supply power, and measure the voltage of #1 and #2 of the CN43 connector. Poor ASS'Y PCB Replace Below 0.5V? Poor ASS'Y PCB Replace Over 4.9V? MICOM Error or Connector(CN43) check Samsung Electronics...
  • Page 82 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. Samsung Electronics...
  • Page 83 2) The fan motor of the indoor unit doesn't run. • Fan Motor Connector(CN72) is faulty • ASS'Y Main PCB is faulty 3) The power voltage between terminal #3 and #5 • Connection is faulty of the connector(CN72) is 0V. Samsung Electronics...
  • Page 84 32.430 3.537 6.941 14.680 33.890 3.652 7.192 15.280 35.430 3.772 7.455 15.900 37.050 3.897 7.729 16.550 38.760 4.026 8.015 17.240 40.560 4.161 8.313 17.960 Temperature Sensor Characteristic Curve Temperature (˚C) At the temperature of 25˚C(10KΩ) Resistance Value (Kohm) Samsung Electronics...
  • Page 85 ∞, 0Ω . . . Open or Short Abnormal Stepping Motor Measure the resistance between the red wire and each terminal wire with a tester. Normal About 300Ω at the normal temperature (20˚C ~ 30˚C) ∞, 0Ω . . . Open or Short Abnormal Samsung Electronics...
  • Page 86 MEMO Samsung Electronics...
  • Page 87 6. Exploded Views and Parts List 6-1 Indoor Unit 3-8-1 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics...
  • Page 88 Exploded Views and Parts List Parts List Q'TY Code No. Description Specification Remark SC09AWH SC12AWH DB94-00454B ASS'Y-BACK BODY ASS'Y DB61-01632A BACK-BODY HIPS DB69-00834A CUSHION-BACK BODY DB61-01634A SUPPORTER-EVAP RH HIPS DB31-00219A MOTOR-IN YDK-20S4F8C-1 DB94-00456A ASS'Y-CROSS FAN OD92x635 DB97-02075A ASS'Y BOLT-SPECIAL ASS'Y...
  • Page 89 ASS'Y-CONTROL IN ASS'Y Refer to page 41 DB92-00536A ASS'Y-PANEL FRONT ASS'Y DB64-00989A PANEL-FRONT HIPS DB64-00990A GRILLE-AIR INLET HIPS DB97-02064A ASS'Y-COVER DISPLAY ASS'Y DB63-00846A GUARD-AIR FILTER DB70-00406A PLATE-HANGER SGCC-M T0.6x320x650 DB61-01638A HOLDER-PIPE DB63-00844A COVER TERMINAL ABS-V0 DB93-02532A ASS'Y-REMOCON REMOCON Samsung Electronics...
  • Page 90 ASS'Y-CONTROL IN ASS'Y Refer to page 41 DB92-00536B ASS'Y-PANEL FRONT ASS'Y DB64-00989A PANEL-FRONT HIPS DB63-00846B GRILLE-AIR INLET HIPS DB97-02064A ASS'Y-COVER DISPLAY ASS'Y DB63-00846A GUARD-AIR FILTER DB70-00406A PLATE-HANGER SGCC-M T0.6x320x650 DB61-01638A HOLDER-PIPE DB63-00844A COVER TERMINAL ABS-V0 DB93-02532C ASS'Y-REMOCON REMOCON Samsung Electronics...
  • Page 91 ASS'Y-CONTROL IN ASS'Y Refer to page 41 DB92-00536B ASS'Y-PANEL FRONT ASS'Y DB64-00989A PANEL-FRONT HIPS DB63-00846B GRILLE-AIR INLET HIPS DB97-02064A ASS'Y-COVER DISPLAY ASS'Y DB63-00846A GUARD-AIR FILTER DB70-00406A PLATE-HANGER SGCC-M T0.6x320x650 DB61-01638A HOLDER-PIPE DB63-00844A COVER TERMINAL ABS-V0 DB93-02532A ASS'Y-REMOCON REMOCON Samsung Electronics...
  • Page 92 ASS'Y-CONTROL IN ASS'Y Refer to page 41 DB92-00536A ASS'Y-PANEL FRONT ASS'Y DB64-00989A PANEL-FRONT HIPS DB64-00990A GRILLE-AIR INLET HIPS DB97-02064A ASS'Y-COVER DISPLAY ASS'Y DB63-00846A GUARD-AIR FILTER DB70-00406A PLATE-HANGER SGCC-M T0.6x320x650 DB61-01638A HOLDER-PIPE DB63-00844A COVER TERMINAL ABS-V0 DB93-02532A ASS'Y-REMOCON REMOCON Samsung Electronics...
  • Page 93 6-2 Outdoor Unit 17-1 17-2 17-5 17-3 17-4 17-6 17-7 17-8 19-4 19-3 17-9 19-2 19-1 Samsung Electronics...
  • Page 94 802 141 55, SANYO 19-2 DB63-00943A GASKET DB63-00999A GASKET 19-3 DB63-00942A COVER-TERMINAL 19-4 DB60-30018A NUT FLANGE DB96-03233A ASS'Y CAPILLARY ASS'Y DB96-03232A ASS'Y-TUBE SUCTION ASS'Y DB62-02566A ASS'Y-TUBE SUCTION ASS'Y DB62-02557A TUBE DISCHARGE C1220T-0 DB62-02565A TUBE DISCHARGE C1220T-0 DB71-00090A BAR-STEEL DB71-00090B BAR-STEEL Samsung Electronics...
  • Page 95 19-2 DB63-20002A GASKET 19-3 DB63-10165A COVER-TERMINAL 19-4 DB60-30018A NUT FLANGE DB96-03319A ASS'Y CAPILLARY ASS'Y DB96-03319B ASS'Y CAPILLARY ASS'Y DB96-03569A ASS'Y-TUBE SUCTION ASS'Y DB96-03567A ASS'Y-TUBE SUCTION ASS'Y DB62-02757A TUBE DISCHARGE C1220T-0 DB62-02758A TUBE DISCHARGE C1220T-0 DB71-00090A BAR-STEEL DB71-00090B BAR-STEEL Samsung Electronics...
  • Page 96 19-2 DB63-20002A GASKET 19-3 DB63-10165A COVER-TERMINAL 19-4 DB60-30018A NUT FLANGE DB96-03319A ASS'Y CAPILLARY ASS'Y DB96-03319C ASS'Y CAPILLARY ASS'Y DB96-03569A ASS'Y-TUBE SUCTION ASS'Y DB96-03567B ASS'Y-TUBE SUCTION ASS'Y DB62-02757B TUBE DISCHARGE C1220T-0 DB62-02758B TUBE DISCHARGE C1220T-0 DB71-00090A BAR-STEEL DB71-00090B BAR-STEEL Samsung Electronics...
  • Page 97 19-2 DB63-20002A GASKET 19-3 DB63-10165A COVER-TERMINAL 19-4 DB60-30018A NUT FLANGE DB96-03319A ASS'Y CAPILLARY ASS'Y DB96-03319C ASS'Y CAPILLARY ASS'Y DB96-03569A ASS'Y-TUBE SUCTION ASS'Y DB96-03567B ASS'Y-TUBE SUCTION ASS'Y DB62-02757B TUBE DISCHARGE C1220T-0 DB62-02758B TUBE DISCHARGE C1220T-0 DB71-00090A BAR-STEEL DB71-00090B BAR-STEEL Samsung Electronics...
  • Page 98 6-3 Ass'y-Control In(Code No : DB93-02481 ) Code No. MODEL Code No. MODEL DB93-02481B SC09AWH/EDC, SC12AHW/EDC, SC09ZWH/EDC, DB93-02481H KF-35G/SWA SC12ZWH/EDC, AS09WHWE/XSS, AS12WHWE/XSS, DB93-02481K KF-25G/SWA AS09WHWE/SMR, AS12WHWE/SMR DB93-02481M AS09WHWD/XSE, AS12WHWD/XSE DB93-02481D SC09ZWH/XSA, SC12ZWH/XSA Parts List Code No. Description Specification Q'TY Remark...
  • Page 99 (H/M/L) BUZZER • STEPPING MOTOR DRIVE STEPPING MOTOR • BUZZER DRIVE FLAP : BLADE UP/DOWN ON, OFF TIMER SELECT TEMPERATURE DC 5V SELECT VOLTAGE REGULATOR SLEEP SELECT DC 12V ENERGY SAVING SMPS POWER BLOCK BATTERY CHECK AC INPUT Samsung Electronics...
  • Page 100 6-3 Ass'y-Control In(Code No : DB93-02481 ) Code No. MODEL Code No. MODEL DB93-02481B SC09AWH/EDC, SC12AHW/EDC, SC09ZWH/EDC, DB93-02481H KF-35G/SWA SC12ZWH/EDC, AS09WHWE/XSS, AS12WHWE/XSS, DB93-02481K KF-25G/SWA AS09WHWE/SMR, AS12WHWE/SMR DB93-02481M AS09WHWD/XSE, AS12WHWD/XSE DB93-02481D SC09ZWH/XSA, SC12ZWH/XSA Parts List Code No. Description Specification Q'TY Remark...

  • Page 101: Wiring Diagram

    8. Wiring Diagram 8-1 Indoor Unit Code No : DB98-15959A This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 102 8-2 Outdoor Unit MOTOR CAPACITOR FAN MOTOR COMP CAPACITOR O.L.P OVER LOAD PROTECTOR Code No : DB98-15966A This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 103 9. Schematic Diagram 9-1 Indoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 104 MEMO Samsung Electronics...
  • Page 105 MEMO Samsung Electronics...
  • Page 106 MEMO Samsung Electronics...

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