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Samsung SH09AI8R Service Manual
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Samsung SH09AI8R Service Manual

Room air conditioner
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SERVICE
AIR CONDITIONER

ROOM AIR CONDITIONER

INDOOR UNIT
SH09AI8R
SH09AI8V
Manual
CONTENTS
OUTDOOR UNIT
SH09AI8RX
SH09AI8VX

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Summary of Contents for Samsung SH09AI8R

  • Page 1: Table Of Contents

    ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT SH09AI8R SH09AI8RX SH09AI8V SH09AI8VX Manual SERVICE AIR CONDITIONER CONTENTS 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.

  • Page 2: Product Specifications

    1. Product Specifications 1-1 Table Model SH09AI8R / SH09AI8V Item Indoor unit Outdoor unit Type Wall-mounted Cooling 2.70 Heating 2.90 Dehumidifying Cooling Air Volume /min Heating Perfor- mance Cooling 44(58) 52(61) Noise ( ):EUROVENT Heating 44(58) 52(61) Cooling 3.03 Energy Efficiency Ratio Heating 3.41...

  • Page 3: Pressure Graph

    1-2 Pressure Graph 30.6/22.5 27/19 21.5/14.6 Outdoor drybulb temperature [deg C] Samsung Electronics...

  • Page 4: Operating Instructions

    If you wish to save energy when using your air conditioner, select the Energy saving mode with the button. Sleep button. The sleep timer can be used when you are cooling or heating your room to switch the air conditioner off automatically after a period of 6 hours. Samsung Electronics...
  • Page 5 After setting On Timer or Off Timer, press the button to set it completely. And press the button again to cancel On Timer or Off Timer set. Digital On/Off button. If you want to turn off the display during operation press the button. Samsung Electronics...
  • Page 6 Room Temperature Operating Mode Temperature Setting compressor's operation. Less than 21˚C Heat 22˚C approx. Deice ends by sensing of the processing time by deice 21˚C or above Cool 24˚C approx. condition. Samsung Electronics...
  • Page 7 The air conditioner can generate anion with an ionizer in 13. BUZZER SOUND : Whenever the On/Off button is the indoor unit. 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 8: 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(16~17page) Samsung Electronics...

  • Page 9: Disassembly And Reassembly

    (Please push down the bottom cover for disassembly.) 3) Unscrew the Main PCB Cover. 4) Loosen the Panel fixing screws on both sides of the bottom Panel and pull down the cover and separate the projection from the groove. Samsung Electronics...
  • Page 10 Connectors and one receiving sensing connector from the main PCB. <Main PCB Connector Illustration Drawing> &* ( Connector Parts Fan Motor(L) Fan Motor(R) Wing Motor(L) Wing Motor(R) Wing Motor(B) Room Temperature/Piping Sensor & Grille Driving Motor(L) Grille Driving Motor(R) Mark/Receiver Anion Samsung Electronics...
  • Page 11 2) Detach all the connectors for the main PCB. Cautions for Connectors Assembly Be sure to put connectors in the right position. 3) Loosen the fixing screws on both sides of the Electric Component Box. 4) Loosen the grounding screws. Samsung Electronics...
  • Page 12 2) Lift up the Heat Exchanger slightly for disassembly. Cautions for Heat Exchanger Assembly Never allow the insulating materials to be damaged or the piping to be deformed during disassembly and assembly. 1) Loosen the 6 cover screws. & Motor Samsung Electronics...
  • Page 13 Cautions for Motor Assembly - Do not miss the Motor anti-vibration rubber and washer. - Do not miss the Motor wire fixing cover. 5) Detach the Negative Ionizer. Cautions for Ionizer Assembly Never allow the deformation of the Negative Ionizer pin. Samsung Electronics...
  • Page 14 3) Loosen 4 fixing screws and detach the Cabinet Front. 4) Loosen 2 fixing screws and detach the Cabinet-Side LF. 5) Loosen 2 fixing screws of the Cabinet-Side 6) Loosen 2 fixing screws and detach the Bar Steel. 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 fixing 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 (Evaporator) (Evaporator) Gas side 3-Way valve 4-Way valve Cooling Heating Compressor Gas leak check point Samsung Electronics...

  • Page 17: Set Up The Model Option

    5. Set Up the Model Option 5-1 Setting Option Setup Method Option No. : (SH09AI8R / SH09AI8V) Step 1 : Enter the Option Setup mode. Take out the batteries of remote control. Press the temperature button simultaneously and insert the battery again.
  • 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: Troubleshooting

    - Is the indoor unit so installed that water is smoothly drained? Water leak - Aren't the drain outlet and hose clogged? (from indoor unit) - Please re-vacuum and recharge refrigerant. (Insufficient refrigerant distribution may prevent water from forming on the evaporator.) Samsung Electronics...
  • Page 20 Problem with the outdoor unit or PCB remote control. outdoor unit 2) In 3 minutes, check the voltage No power source Problem with the relay (RY71) or PCB between the indoor unit terminal displayed. block N and L. Samsung Electronics...
  • Page 21 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. Below 1.3V? Poor ASS'Y PCB Replace Over 3.7V? Poor ASS'Y PCB Replace MICOM Error, MICOM Replace Samsung Electronics...
  • Page 22 3. Assemble the indoor 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 (PCB phase short or disconnected) Samsung Electronics...
  • Page 23 3. Put the fan in operation with the remote control and check if the fan is rotating after the auto grille is full open. (If so, it is in norma operation) 4. If not, measure AC voltage of No. 5 and 3 of CN73, CN74. • If the voltage value is 180~220V : Poor motor • If not : Poor PCB Samsung Electronics...
  • Page 24 (2) Supply AC 220V to the outdoor unit forcibly. (3) If the outdoor unit has no motion, check the outdoor unit and surrounding connection cables. (4) If the outdoor starts operation, check the indoor unit connection and PCB. Samsung Electronics...
  • Page 25 Checking motor connection, Poor motor DC 6V to 8V? (when louvers are operating) Does the GND voltage of connector 2, 3, 4, and 5 range from PCB Replace DC 12V? (when louvers are operating) Checking connection and apparatus assembly condition. Samsung Electronics...
  • Page 26 5 range from DC 6V to 8V? (when louvers are operat- Checking motor connection, ing) Poor motor Does the GND voltage of connector(CN63, CN64) 2, 3, 4 PCB Replace and 5 range from DC 12V? (when louvers are operating) Checking connection and apparatus assembly condition. Samsung Electronics...
  • Page 27 When the voltage descends below 3V, the assembly module PCB is normal and the main PCB is poor. Then replace the main PCB. 4. Replace the assembly display PCB because the module PCB is poor if the voltage between No. 1, 2, and 3 of CN 94 maintains 5V after the remote control starts operation. Samsung Electronics...

  • Page 28: Pcb Inspection Method

    2) The room fan motor doesn't run. 2. Continuous Operation (CN73 and 74) Contact 3) The power voltage between terminal #3 and #5 of • Poor ASS'Y Main PCB the connector(CN73 and CN74) is 0V. • Poor Connection Samsung Electronics...
  • Page 29 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 30: Main Part Inspection Method

    Abnormal Stepping Motor Measure the resistance between connector 3 and each terminal wire with a tester. (Grille Motor) About 120 Ω at the normal temperature (20˚C ~ 30˚C) Normal ∞, 0Ω . . . Open or Short Abnormal Samsung Electronics...

  • Page 31: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Indoor Unit 1-11 1-13 1-12 1-10 1-14 8-5-1 8-5-2 8-11 8-10 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics...
  • Page 32 Exploded Views and Parts List Parts List Q'TY Code No. Description Specification Remark SH09AI8R SH09AI8V DB94-00291E ASS'Y BACK BODY ASS'Y DB94-00296A ASS'Y BACK BODY INSULATION HIPS,ASS'Y DB32-00182B MOTOR FAN LF ASS'Y DB32-00182A MOTOR FAN RH ASS'Y DB61-01301A HOLDER WIRE SGCC-M,T0.8...
  • Page 33 7-2 Outdoor Unit Samsung Electronics...
  • Page 34 ASS'Y DB64-00650A CABINET SIDE RH 2501-001238 CAPACITOR-COMP 40uF/450VAC 2301-001375 CAPACITOR-MOTOR 1.5uF/450VAC DB65-40049E TERMINAL BLOCK DB93-01547D ASS'Y LEAD WIRE Samsung COMPor DB35-00028A RBC 12054-12500 DB33-00049A ASS'Y SOLENOID COIL ASS'Y DB64-00649A CABINET SIDE LF DB90-01056F ASS'Y BASE OUTDOOR ASS'Y DB61-01322A BRACKET VALVE...
  • Page 35 PH, 3x8, ZPC(BLK) DB32-00020A ASS'Y THERMISTOR 103AT DB93-01554A WIRE CONNECT JUMP 6009-001001 SCREW-SPECIAL M4xL8 DB39-00148B WIRE CONNECT EARTH L=100, AWG#16 DB62-01636F SEAL-COVER MAIN PCB LOW A FLOCKED, T0, 4, 27x45 DB62-01636G SEAL-COVER MAIN PCB LOW B FLOCKED, T0, 4, 86x22 Samsung Electronics...

  • Page 36: Block Diagram

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

  • Page 37: Pcb Diagram

    9. PCB Diagram 9-1 ASS'Y MAIN PCB : DB93-01518B BOTTOM Samsung...

  • Page 38: Parts List

    1Kohm,5%,1/10W,DA,TP,2012 R207 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 RY71 RELAY-POWER 12VDC,0.9W,75mA,SPST,MAX 20msec,10mS SS71 12Vdc,-,2A,1mS,1mS ST11 TRANS SWITCHING JT1916-09,-,310V,FERRITE,-,EI191 TB71(N) CONNECTOR-TERMINAL TAB,MALE,-,6.35x0.8mm TB72(L) CONNECTOR-TERMINAL TAB,MALE,-,6.35x0.8mm TB73 CONNECTOR-TERMINAL TAB,MALE,-,6.35x0.8mm VA71 VARISTOR 560V,2500A,17.5x7.5mm,TP XC71 C-FILM,MPEF 220NF,10%,275V,BK,26.5x8.5x17mm,22.5 XC72 C-FILM,MPEF 100nF,10%,275V,BK,18x6x12,15 ZD11 DIODE-ZENER BZX84C3V6,3.6,350mW,SOT-23,TP ZD12 DIODE-ZENER BZX84-C11,10.4-11.6V,350mW,SOT-23,TP Samsung Electronics...
  • Page 39 9-2 ASS'Y MAIN PCB(DC) : DB93-01519B BOTTOM Samsung Electronics...
  • Page 40 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 R603 R-CHIP 10Kohm,5%,1/10W,DA,TP,2012 R604 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 R605 R-CHIP 10Kohm,5%,1/10W,DA,TP,2012 R606 R-CHIP 4.7Kohm,5%,1/10W,DA,TP,2012 R607 R-CHIP 470ohm,5%,1/10W,DA,TP,2012 R608 R-CHIP 470ohm,5%,1/10W,DA,TP,2012 R609 R-CHIP 560ohm,5%,1/10W,DA,TP,2012 R610 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 R908 R-CHIP 10Kohm,5%,1/10W,DA,TP,2012 R909 R-CHIP 4.7Kohm,5%,1/10W,DA,TP,2012 SW01 SWITCH-TACT 12V,50MA,160GF,6.1x6.1x5.0mm,SPST X501 RESONATOR-CERAMIC 10MHz,0.5%,TP,10.0x5.0x8.0mm Samsung Electronics...

  • Page 41: Wiring Diagram

    10. Wiring Diagram 10-1 Indoor Unit Code No : DB98-08453A This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 42 10-2 Outdoor Unit C1 : MOTOR CAPACITOR FM : FAN MOTOR C2 : COMP CAPACITOR O.L.P : OVER LOAD PROTECTOR Code No : DB98-15123A This Document can not be used without Samsung's authorization. Samsung Electronics...

  • Page 43: Schematic Diagram

    11. Schematic Diagram 11-1 Indoor Unit(AC-PART) This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 44 Schematic Diagram 11-2 Indoor Unit(DC-PART) This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 45 MEMO Samsung Electronics...
  • Page 46 ELECTRONICS © Samsung Electronics Co., Ltd. Feb. 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. DB98-17813A(1)

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