Samsung SH07ZS2 Service Manual
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Samsung SH07ZS2 Service Manual

Samsung SH07ZS2 Service Manual

Samsung room air conditioner service manual
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SERVICE
AIR CONDITIONER

ROOM AIR CONDITIONER

INDOOR UNIT
SH07ZS2
SH07ZS2A
SH09ZS2
SH09ZS2A
SH12ZS4
SH12ZS4A
AQ07S2GE
AQ09S2GE
AQ12S4GE
AQT12S4GB
AQT12S4GE
Manual
CONTENTS
OUTDOOR UNIT
SH07ZS2X
SH07ZS2AX
SH09ZS2X
SH09ZS2AX
SH12ZS4X
SH12ZS4AX
UQ07S2GE
UQ09S2GE
UQ12S4GE
UQT12S4GB
UQT12S4GE

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Summary of Contents for Samsung SH07ZS2

  • Page 1: Table Of Contents

    ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT SH07ZS2 SH07ZS2X SH07ZS2A SH07ZS2AX SH09ZS2 SH09ZS2X SH09ZS2A SH09ZS2AX SH12ZS4 SH12ZS4X SH12ZS4A SH12ZS4AX AQ07S2GE UQ07S2GE AQ09S2GE UQ09S2GE AQ12S4GE UQ12S4GE AQT12S4GB UQT12S4GB AQT12S4GE UQT12S4GE Manual SERVICE AIR CONDITIONER CONTENTS 1. Product Specifications 2. Operating Instructions 3.

  • Page 2: Product Specifications

    1. Product Specifications 1-1 Table Model SH07ZS2 SH09ZS2 SH12ZS4 Item Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Type Wall-mounted Wall-mounted Wall-mounted 2.20kW 2.60kW 3.50kW Cooling (7,500 BTU/h) (8,990 BTU/h) (11,990 BTU/h) Capacity ) : RUSSIA, CIS 2.30kW...
  • Page 3 CAPILLARY TUBE Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RBC12144-12500 RBC12054-12500 RBC12107-12500 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 WB26˚C Samsung Electronics...

  • Page 4: Samsung Electronics

    CAPILLARY TUBE Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RBC12144-12500 RBC12054-12500 RBC12107-12500 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 WB26˚C Samsung Electronics...
  • Page 5 CAPILLARY TUBE Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) RBC12107-12500 RBC12050-12500 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 WB26˚C Samsung Electronics...

  • Page 6: Pressure Graph

    28.8/21.0 27.0/19.0 24.0/17.0 21.5/15.0 Outdoor inlet air D.B. temp (˚C) 9K BTU 32.4/24.0 30.6/22.5 28.8/21.0 27.0/19.0 24.0/17.0 21.5/15.0 Outdoor inlet air D.B. temp (˚C) 12K BTU 32.4/24.0 30.6/22.5 28.8/21.0 27.0/19.0 24.0/17.0 21.5/15.0 Outdoor inlet air D.B. temp (˚C) Samsung Electronics...

  • Page 7: Operating Instructions

    30 minutes to 24 hours. To cancel, press the (Set/Cancel) button. Energy Saving button. If you wish to save energy when using your air conditioner, select the Energy saving mode with the button. Samsung Electronics...
  • Page 8 Room Temperature Operating Mode Temperature Setting heat exchanger temperature and accumulating time of Less than 21˚C Heat 22˚C approx. compressor's operation. Deice ends by sensing of the processing time by deice 21˚C or above Cool 24˚C approx. condition. Samsung Electronics...
  • Page 9 : Lamp off : Lamp flickering 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". Samsung Electronics...

  • Page 10: Replace Pcb Model Option

    2-2 Replace PCB Model option 2-2-1 Replace PCB model option Remove power cord Replace the PCB module Check the connection and plug in Replace another PCB Does all display lamp blink? Refer to set up the Model option(16~18page) Samsung Electronics...

  • Page 11: Disassembly And Reassembly

    And press the right of the upper side of the Panel Grille with the fingers. And then disassemble the Panel Grille. 10) Pull the lower left and right of discharge softly for the outside cover to be pulled out. Samsung Electronics...
  • Page 12 1) Loosen 2 fixing earth screws of right side. Heat Exchanger 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. Samsung Electronics...
  • Page 13 1) Loosen 2 fixing screws and detach the Motor Holder. & Cross Fan 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. Samsung Electronics...
  • Page 14 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. Samsung Electronics...
  • Page 15 3) Detach the Heat Exchanger. Compressor 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 the Compressor. Samsung Electronics...

  • Page 16: Refrigerating Cycle Diagram

    4. Refrigerating Cycle Diagram Outdoor Unit Indoor Unit Capillary tube 2-Way valve Liquid side Heat Heat Exchanger Exchanger Gas side 3-Way valve 4-Way valve Cooling Heating Compressor Gas leak check point Samsung Electronics...

  • Page 17: Set Up The Model Option

    . . . repeatedly. Push the button to set the display panel to Setting is not required if you must a value which has a default. Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 18 If all lamps of indoor unit are flickering, Plug out, plug in battery 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 19 Set Up the Model Option OPTION ITEMS REMOCON SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 MODEL SH07ZS2 SH07ZS2A AQ07S2GE SH09ZS2 SH09ZS2A AQ09S2GE SH12ZS4 SH12ZS4A AQ12S4GE AQT12S4GB AQT12S4GE Samsung Electronics...

  • Page 20: Troubleshooting

    The compressor operates in a reverse cycle to remove exterior ice in a HEAT mode, and indoor fan and outdoor fan Indoor fan and outdoor fan stop operation intermittently in a HEAT mode. do not operate intermittently for within 20% of the total heater operation Samsung Electronics...
  • Page 21 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 22: Fault Diagnosis By Symptom

    Check whether the fuse on the Replace fuse control board is normal. FUSE: 3.15[A]/250[V] Check the output of SMPS on the control board. Input power: AC230±15%[V] PCB should be replaced IC02 Input: DC 12[V] IC02 output: DC 5[V] Check the setting temperature Samsung Electronics...

  • Page 23: Room Temperature Sensor Failure

    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 24 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) Samsung Electronics...

  • Page 25: When The Indoor Unit Fan Does Not Operate. (Initial Diagnosis)

    Test rod location Normal voltage PCB CN72 Condition pin #3 and #5 Fan operating About AC 180V Replace Motor Motor Fan-Capacitor is out of order Fan-Capacitor Fan motor should be replaced. Fan motor is out of order. Samsung Electronics...

  • Page 26: When The Outdoor Unit Does Not Operate. (Initial Diagnosis)

    Power relay should be Is rating voltage ±10% range applied relay between out of order replaced. Terminal block No. N(1) and No. 1 Outdoor unit is out of order. Is the room sensor normal resistor? 10°C 20°C 30°C 17.96kΩ 12.09kΩ 8.3kΩ Samsung Electronics...
  • Page 27 Abnormal IC05 Is the voltage between CN71 #1 and CN71 #5 rating voltage ±10% range Abnormal RY73 Abnormal 4-Way valve of Outdoor Unit. or connecting Cable PCB should be replaced. 4-Way valve should be replaced or connecting Cable Check. Samsung Electronics...
  • Page 28 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 29: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Indoor Unit 14-1 14-6 14-2 14-4 14-3 14-5 CIS / LATIN AMERICA EUROPE / AFRICA You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics Samsung Electronics...

  • Page 30: Parts List

    Exploded Views and Parts List Parts List Q'TY Code No. Description Specification SH07ZS2 SH07ZS2 SH09ZS2 SH09ZS2 SH12ZS4 SH12ZS4 SH07ZS2A SH07ZS2A SH09ZS2A SH09ZS2A SH12ZS4A SH12ZS4A (CIS) (EUROPE) (CIS) (EUROPE) (CIS) (EUROPE) DB92-00595F ASS'Y PANEL FRONT TOTAL ASS'Y DB92-00582C ASS'Y PANEL FRONT TOTAL...
  • Page 31 DB61-01103A BLADE-H HIPS DB61-01125A BLADE-H HIPS 14-4 DB61-01104A BLADE-V DB61-01126A BLADE-V 14-5 DB95-20138A ASS'Y STEPPING MOTOR ASS'Y Option 14-6 DB63-00634A GUARD-SAFETY WIRE STS27 Option DB63-00635A GUARD-SAFETY WIRE STS27 3903-000095 ASS'Y CONNECTOR POWER ASS'Y DB93-01549B ASS'Y CONNECTOR POWER ASS'Y Samsung Electronics...
  • Page 32 TRAY DRAIN HIPS 14-2 DB94-00062E ASS'Y HOSE DRAIN ASS'Y 14-3 DB61-01103A BLADE-H HIPS 14-4 DB61-01104A BLADE-V 14-5 DB95-20138A ASS'Y STEPPING MOTOR ASS'Y 14-6 DB63-00634A GUARD-SAFETY WIRE STS27 Option DB63-00635A GUARD-SAFETY WIRE STS27 Option DB93-01549D ASS'Y CONNECTOR POWER ASS'Y Samsung Electronics...
  • Page 33 7-2 Outdoor Unit 15-1 15-2 15-4 15-7 15-3 15-6 15-5 Samsung Electronics Samsung Electronics...
  • Page 34 HEX 2C M8 ZPC DB63-00929A GASKET DB63-20002A GASKET EPDM DB63-00928A COVER TERMINAL DB63-00927A COVER TERMINAL DB63-10165D COVER TERMINAL DB81-00484A NUT FLANGE STEEL, M5 DB63-00968A NUT FLANGE STEEL, M5 DB60-30018A NUT FLANGE STEEL, M5 DB64-01003A HANDEL CABINET LF Samsung Electronics Samsung Electronics...
  • Page 35 COMPRESSOR 48D124JT1EL DB95-00368A COMPRESSOR 48D129JU1EL DB60-30028A NUT WASHER HEX 2C M8 ZPC DB63-00986A GASKET SILICON DB63-20002A GASKET EPDM DB63-00985A COVER TERMINAL DB63-10165D COVER TERMINAL DB81-00484A NUT FLANGE STEEL, M5 DB60-30018A NUT FLANGE STEEL, M5 DB64-01003A HANDEL CABINET LF Samsung Electronics...
  • Page 36 MEMO Samsung Electronics...
  • Page 37 7-3 Ass'y Control In (Indoor Unit) AQO S2G , SHO ZS2 (NO PLUG) : DB93-02524A AQO S2G , SHO ZS2 (PLUG) : DB93-02524C Samsung Electronics Samsung Electronics...
  • Page 38 ASS'Y C/W SUB ASS'Y DB39-00643M ASS'Y C/W STEP MOTOR ASS'Y DB32-00020A ASS'Y-THERMISTOR 4P(103AT) DB61-01629A HOLDER DISPLAY DB64-00986A WINDOW DISPLAY DB61-01630A ASS'Y HOLDER PCB HIPS 3903-000095 POWER CORD PLUG DB93-01549B POWER CORD NO PLUG 6001-001054 SCREW-MACHINE TH M4xL10 Samsung Electronics Samsung Electronics...
  • Page 39 Exploded Views and Parts List AQ(T)12S4G , SH12ZS4 : DB93-02539A Samsung Electronics Samsung Electronics...
  • Page 40 ASS'Y C/W SUB ASS'Y DB39-00643F ASS'Y C/W STEP MOTOR ASS'Y DB32-00020A ASS'Y-THERMISTOR 4P(103AT) DB61-01629A HOLDER DISPLAY DB64-00986A WINDOW DISPLAY DB61-01630A ASS'Y HOLDER PCB HIPS 3903-000095 POWER CORD PLUG DB93-01549B POWER CORD NO PLUG 6001-001054 SCREW-MACHINE TH M4xL10 Samsung Electronics Samsung Electronics...

  • Page 41: Block Diagram

    • STEPPING MOTOR DRIVE (H/M/L) PART • BUZZER DRIVE • FUNCTION DRIVE* BLADE-H STEPPING MOTOR MOVING SELECT -Blade -Auto grille* ON, OFF TIMER SELECT DC 5V TEMPERATURE SELECT VOLTAGE REGULATOR SLEEP SELECT DC 12V SMPS Power Block FUNCTION* SELECT AC INPUT Samsung Electronics...

  • Page 42: Pcb Diagram

    9. PCB Diagram 9-1 ASS'Y MAIN PCB(7K/9K/12K) : DB93-02447A Samsung Electronics...
  • Page 43 PCB Diagram BOTTOM Samsung Electronics...
  • Page 44 R-CHIP 1Kohm,5%,1/8W,TP,2012 R302,R401,R402,R404 R602,R604,R610 R103 R-CHIP 220ohm,5%,1/8W,TP,2012 R405,R406 R-CHIP 330ohm,5%,1/8W,TP,2012 R606,R909 R-CHIP 4.7Kohm,5%,1/8W,TP,2012 R101,R607,R608 R-CHIP 470ohm,5%,1/8W,TP,2012 R201,R202,R203,R204 R-CHIP 47Kohm,5%,1/4W,TP,3216 R205,R206,R207,R208 R407,R408 R-CHIP 6.8Kohm,1%,1/8W,TP,2012 R403 R-CHIP 6.8Kohm,5%,1/8W,TP,2012 C107 C-CERAMIC,DISC 2.2NF,20%,400V,Y5U,BK,12.5x6mm,10 C103,C105,C106,C201 C-CER,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 C204,C301,C302,C402 C403,C501,C502,C503 C504,C901 C401 C-CER,CHIP 1nF,10%,50V,X7R,TP,2012,- Samsung Electronics...
  • Page 45 F702 FUSE-CARTRIDGE 250V,3.15A,TIME-LAG,GLASS,5x20mm CN71 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,BLU CN72 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,WHT CN91 CONNECTOR-HEADER BOX,8P,1R,2mm,ANGLE,SN CN61 CONNECTOR-HEADER BOX,5P,1R,2mm,ANGLE,SN,WHT CN43 CONNECTOR-HEADER BOX,4P,1R,2mm,STRAIGHT,SN CN44 CONNECTOR-HEADER BOX,3P,1R,2.5mm,ANGLE,TIN,BLU IC04 IC MICOM S3C848AXZZ-QTRA,-,64P,+5V,10MHz,STM-0219-EA ST11 TRANS SWITCHING EI1916-048,SS-P/J,-,200V~240V,-,-,EI1916,50/60Hz,- 1.6mH(1P-3P),-,-,-,-,- FT71 COIL CHOKE USAV-07153,UU1116,15.0mH,-25˚C~+85˚C,-,1.3ohm,- 15mH,105,20x18mm,13,0.6,BK,-25˚C PCB BOARD FR-4 Samsung Electronics...
  • Page 46 9-2 ASS'Y SUB PCB(7K/9K/12K) : DB93-02525A Parts List Description Specification Q'TY Remark PCB-DISPLAY FR-1 TACT SWITCH YTP-1280A CONNECTOR SMSW200-08(WHT) LED-LAMP GRN(SM3517) LED-LAMP ORG(SO3517) RESISTOR 470ohm,1/2W MODULE REMOCON FRP4021H10 DIODE 1N4148 C-CERAMIC 1nF/50V C-CERAMIC 100nF/50V JUMPER 10mm Samsung Electronics...

  • Page 47: Wiring Diagram

    10. Wiring Diagram 10-1 Indoor Unit(7K/9K/12K) Code No : DB98-15135A This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 48 MOTOR CAPACITOR FAN MOTOR COMP CAPACITOR O.L.P OVER LOAD PROTECTOR Code No : DB98-15123A SH12ZS4X MOTOR CAPACITOR FAN MOTOR COMP CAPACITOR O.L.P OVER LOAD PROTECTOR Code No : DB98-16523A This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 49 Wiring Diagram SH07ZS2AX / SH09ZS2AX / SH12ZS4AX / UQ07S2GE / UQ09S2GE / UQ12S4GE MOTOR CAPACITOR FAN MOTOR COMP CAPACITOR O.L.P OVER LOAD PROTECTOR Code No : DB68-01624A This Document can not be used without Samsung's authorization. Samsung Electronics...

  • Page 50: Schematic Diagram

    11. Schematic Diagram 11-1 Indoor Unit(7K/9K/12K) This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 51 MEMO Samsung Electronics...
  • Page 52 MEMO Samsung Electronics...
  • Page 53 MEMO Samsung Electronics...
  • Page 54 ELECTRONICS © Samsung Electronics Co., Ltd. Mar. 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. DB98-16693A(2)

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