Samsung SH09AI8R Service Manual Download Page 16 | Manualshive

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Samsung Electronics

4. Refrigerating Cycle Diagram

Indoor Unit

Outdoor Unit

T

1

T

2

2-Way valve

3-Way valve

Gas side

Heat
Exchanger
(Evaporator)

Heat
Exchanger
(Evaporator)

Liquid side

Capillary tube

4-Way valve

Cooling

Heating

Gas leak check point

Compressor

T

urbo Fan

Propeller Fan

DB98-17813(1)_1 04/2/23 10:29 AM Page 15

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Summary of Contents for SH09AI8R

Page 1: ...IR 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 ...

Page 2: ...Compressor Motor Type Rated Output Type Blower Motor Type Rated Output W Heat Exchanger Refrigerant Control Unit Freezer Oil Capacity cc Refrigerant to Change R410A g Protection Device OLP Cooling Test Condition Maximum Operation Condition Wall mounted 2 70 2 90 1 4 6 4 24 7 4 24 44 58 52 61 44 58 52 61 3 03 3 41 1 220 240 50 890 850 3 9 3 8 98 7 99 9 21 0 250V 10 16A 760 x 410 x 147 695 x 530 x 2...

Page 3: ...Samsung Electronics 2 1 2 Pressure Graph 10 9 8 7 3 20 30 Outdoor drybulb temperature deg C Low Pressure kg cm 2 G 40 30 6 22 5 27 19 21 5 14 6 ...

Page 4: ...utton UP To increase the temperature by the pressing the temperature button On Off UP DOWN Low Medium High Automatic rotated 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 Turbo button The air conditioner cools or heats the room as quickly as possible After 30minutes the air conditioner is...

Page 5: ...until the required time display FUNCTION OF KEY Anion button Press the button to generate ion from the air conditioner NAMED OF KEY No 9 10 11 12 13 On Timer button The On Timer enables you to switch on the air conditioner automatically after a given period of time that is from 30 minutes to 24 hours To set the operating time press the button one or more times until the required time display Timer...

Page 6: ...w 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 30 minutes regardless of the set temperature room temperature When this button is pressed again or when the operating time is 30 minutes turbo operation mode is canceled and returned to the previou...

Page 7: ...ter a given period of time You can set the period of time from 30 minutes to 24 hours 11 GENERATING ANION The air conditioner can generate anion with an ionizer in the indoor unit 12 SELF DIAGNOSIS 13 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 Indoor unit room temperatu...

Page 8: ...Replace 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 17page Replace another PCB Does all display lamp blink ...

Page 9: ...e 1 Stop the air conditioner and shut off the main power 2 Hold the knobs on both sides of the Top Cover Then pull the cover toward you and lift it up to separate it from the main body 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 ...

Page 10: ...jection from the groove 5 Separate the 2 grille driving Motor Connectors and one receiving sensing connector from the main PCB Main PCB Connector Illustration Drawing No 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 ...

Page 11: ...ession of wires or deviation of power cords and cross room power connection cables For details refer to the Indoor Unit Connection Cable Installation 1 Loosen the fixing screws on both sides of the Electric Component Box 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 Elect...

Page 12: ...asket Assembly Be sure to check if the projection on both sides was positioned completely in the groove 1 Loosen the 3 Heat Exchanger fixing screws 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 ...

Page 13: ...fixing screw 3 Detach the Fan fixing bolts with a M3 wrench 4 Loosen the 3 Fan Motor fixing screws 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 ...

Page 14: ...g screws and separate the Cover Valve 2 Detach the connection wire from the Terminal Block 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 RH 6 Loosen 2 fixing screws and detach the Bar Steel ...

Page 15: ...4 fixing screws to detach the Motor 5 Loosen 4 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 Exchanger 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 t...

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

Page 17: ...e you push the button the display panel reads or repeatedly Setting is not required if you must a value which has a default Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 3 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 4 Push the button to set the display panel to Every ti...

Page 18: ...controller for set 7 8 The default value is Otherwise push the button to Every time you push 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 10 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 9 Push the button to set the displa...

Page 19: ...ase check if you pressed the OK CANCEL button after you set the reservation time Isn t the operation mode in TURBO Then no further control is required because the air volume will be automatically controlled Please return to the COOL mode to recheck the condition Check the refrigerant pressure to check refrigerant leak Is the indoor unit so installed that water is smoothly drained Aren t the drain ...

Page 20: ...l Unable to operate the outdoor unit 1 Plug out and plug in 5 seconds later 1 Press the TURBO button with the remote control 2 In 3 minutes check the voltage between the indoor unit terminal block N and L Able to operate the remote control Unable to operate the remote control AC198V AC242V No power source displayed OK Press the AUTO button in the indoor unit 1 If it operates the remote control and...

Page 21: ...e the sensor resistance with an ohmmeter tester Is the sensor resistance value 10KΩ 1 2KΩ at the room temperature of 25 C ASS Y Sensor Replace SENSOR Resistance Value 20 C 12 09kΩ SENSOR Resistance Value 30 C 8 31kΩ SENSOR Resistance Value 35 C 6 94kΩ SENSOR Resistance Value 40 C 5 83kΩ Poor ASS Y PCB Replace Poor ASS Y PCB Replace Connect the sensor to CN43 supply power and measure the voltage of...

Page 22: ...nnector 3 and 4 If the above data is not met replace the indoor pipe sensor 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 Indoor unit Heat exchange temperature sensor open or short Error mark Error Part 7 SEGMENT E2 Temperature C 15 20 25 Resistance...

Page 23: ... 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 Troubleshooting Samsung Electronics 22 MOTOR MOTOR Indoor Unit Fan Motor L Indoor Unit Fan Motor R CN73 Blue MICOM 12V SSR IC07 CN74 White Operating Condenser CR71 1 2µF 450V AC220V 60Hz CR72 1 2µF 450V 32 ...

Page 24: ...assembled White to the N 1 terminal of the terminal block Black to terminal 1 of the terminal block 3 Check if the PCB fuse F701 250V 3 15A is disconnected 4 Check the output voltage of the static voltage IC KA78L05 IC02 DC4 7 5 3V If no DC power source was output from the above items PCB should be replaced 2 Checking outdoor unit power supply 1 Press the TURBO button with the remote control In 3 ...

Page 25: ...e standard lamp twinkle 3 minutes before it goes out Are all the louvers open during operation bottom left and right Does the GND voltage of connector 2 3 4 and 5 range from DC 6V to 8V when louvers are operating Does the GND voltage of connector 2 3 4 and 5 range from DC 12V when louvers are operating Not a breakdown normal PCB Replace Checking motor connection Poor motor Checking connection and ...

Page 26: ...nnection Poor motor PCB Replace Turn off the power and on 5 seconds later Not a breakdown normal Does the standard lamp twinkle 3 minutes before it goes out Checking connection and apparatus assembly condition Are both auto grilles open during operation left and right Does the GND voltage of connector CN63 CN64 2 3 4 and 5 range from DC 6V to 8V when louvers are operat ing Does the GND voltage of ...

Page 27: ... 3 Put the set in operation and check the voltage of No 1 and No 3 of the main PCB CN 94 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 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 ...

Page 28: ...one time to enter the OPER mode 1 Air Volume High 2 Continuous Operation 1 Is the fuse disconnected F701 Checking the power voltage 1 Is the BD71input voltage AC198V AC242V 2 Is the voltage between both terminals of the output C104 on the 2nd side of the transformer AC12V 0 5V 3 Is the voltage between both terminals of OUT and GND of IC02 KA78L05 DC5V 0 5V Checking the power voltage 1 Check the vo...

Page 29: ...15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 4 300 4 444 4 594 4 749 4 912 5 080 5 256 5 439 5 630 5 828 6 033 6 246 6 468 6 699 6 941 7 192 7 455 7 729 8 015 8 313 8 622 8 944 9 281 9 632 10 10 380 10 780 11 200 11 630 12 090 12 560 13 060 13 570 14 120 14 680 15 280 15 900 16 550 17 240 17 960 18 700 19 480 20 290 21 150 22 050 22 990 23 900 25 030 26 130 27 280 28 470 29 720 31 040 3...

Page 30: ...ort Measure the resistance between motor wires with a tester Normal At the normal temperature 10 C 30 C Abnormal 0Ω Open or Short Measure the resistance between the red wire and each terminal wire with a tester Normal About 300 Ω at the normal temperature 20 C 30 C Abnormal 0Ω Open or Short Measure the resistance between connector 3 and each terminal wire with a tester Normal About 120 Ω at the no...

Page 31: ...4 1 5 1 9 1 8 1 13 1 11 1 1 1 10 1 12 5 4 5 2 5 3 5 5 5 1 5 8 4 8 2 8 6 8 5 1 8 5 2 8 7 8 3 8 8 10 8 9 8 11 8 8 8 4 8 3 8 1 13 You can search for the updated part code number through the ITSELF URL http itself sec samsung co kr 7 Exploded Views and Parts List 7 1 Indoor Unit ...

Page 32: ... 1 1 5 2 DB93 01518B ASS Y PCB MAIN AC ASS Y 1 1 5 3 DB93 01519B ASS Y PCB MAIN DC ASS Y 1 1 5 4 DB65 00125A ASS Y TERMINAL BLOCK ASS Y 1 1 5 5 DB32 00020A ASS Y THERMISTOR WIRE ASS Y 1 1 6 DB70 00317A HANGER PLATE SGCC M 1 1 7 DB61 01291A HOLDER PIPE HIPS 1 1 8 DB92 00371V ASS Y PANEL FRONT SATIN SILVER 1 DB92 00371U ASS Y PANEL FRONT TROPICAL RED 1 8 1 DB64 00784A PANEL FRONT UP HIPS 1 1 8 2 DB9...

Page 33: ...Samsung Electronics 32 7 2 Outdoor Unit 4 2 14 7 3 17 16 5 6 15 13 6 4 1 9 8 3 2 1 18 4 10 5 5 5 7 5 1 5 5 3 5 4 5 2 7 7 1 7 2 12 11 ...

Page 34: ...0049E TERMINAL BLOCK 4P 1 5 5 DB93 01547D ASS Y LEAD WIRE Samsung COMPor 1 5 6 DB35 00028A OLP RBC 12054 12500 1 5 7 DB33 00049A ASS Y SOLENOID COIL ASS Y 1 6 DB64 00649A CABINET SIDE LF PP 1 7 DB90 01056F ASS Y BASE OUTDOOR ASS Y 1 7 1 DB61 01322A BRACKET VALVE GALVA 1 7 2 DB61 00802A BRACKET MOTOR SGCC M 1 7 3 DB73 00070A GROMMET ISOLATOR NR 3 8 DB71 00085A BAR STEEL HSWR 1 9 DB90 00947A ASS Y C...

Page 35: ... SCREW SPECIAL WIRE CONNECT EARTH SEAL COVER MAIN PCB LOW A SEAL COVER MAIN PCB LOW B DB93 01518B DB93 01519B DB63 00673A DB61 01290A DB65 00125A 6001 000929 6001 000035 DB65 10074E 6002 000534 DB32 00020A DB93 01554A 6009 001001 DB39 00148B DB62 01636F DB62 01636G Specification Code No Description Remark Q TY 220x45 160x45 ABS V0 BLACK SGCC M Z T1 0 4P PH M3xL20 TH M4xL8 DA 5N NK 5N PH 3x8 ZPC BL...

Page 36: ...F TURBO OPERATION SLEEP SELECT MODE AUTO COOL DRY FAN HEAT FAN SPEED SELECT H M L BLADE H MOVING SELECT ON OFF TIMER SELECT GENERATION ANION OPERATION TEMPERATURE SELECT ZERO VOLTAGE DETECT BLADE CONTROL down left right AUTO GRILLE CONTROL INDOOR FAN MOTOR CONTROL left right COMPRESSOR CONTROL TEMPERATURE CONTROL TIMER BUZZER CONTROL TRIGGER SIGNAL SSR COMPRESSOR DRIVE OUTDOOR FAN MOTOR DRIVE STEP...

Page 37: ...Samsung 36 9 PCB Diagram 9 1 ASS Y MAIN PCB DB93 01518B TOP BOTTOM ...

Page 38: ...CONTROLLER 266 DIP 8P 300MIL PLASTIC 0 3 7 IC02 IC POSI ADJUST REG 78L05A TO 92 3P PLASTIC 4 6 NTC1 THERMISTOR NTC 22ohm 1 4A 3100K 9 5mW C 7 0 PC01 PHOTO COUPLER TR 130 260 200mW DIP 4 ST PC02 PHOTO COUPLER TR 50 150 200mW DIP 4 ST Q201 TR SMALL SIGNAL 2SC2412K NPN 200mW SOT 23 TP 1 R105 R CHIP 470ohm 5 1 10W DA TP 2012 R106 R CHIP 220ohm 5 1 10W DA TP 2012 R107 R CHIP 220ohm 5 1 10W DA TP 2012 R...

Page 39: ...Samsung Electronics 38 9 2 ASS Y MAIN PCB DC DB93 01519B TOP BOTTOM ...

Page 40: ...5 TR 2003 NPN 7 1W SOP 16 ST 1000 IC06 TR 2003 NPN 7 1W SOP 16 ST 1000 IC07 IC SOURCE DRIVER TD62783AFW SOL 18P 8 500mA TP IC08 TR 2003 NPN 7 1W SOP 16 ST 1000 IC09 TR 2003 NPN 7 1W SOP 16 ST 1000 IC51 IC EEPROM 93LC56 128x16Bit SOP 8P 150MIL 2 5V Q601 TR SMALL SIGNAL 2SC2412K NPN 200mW SOT 23 TP 1 Q602 TR SMALL SIGNAL MMST2907A PNP 200mW SOT 23 TP 100 Q603 TR SMALL SIGNAL 2SC2412K NPN 200mW SOT 2...

Page 41: ...Samsung Electronics 40 10 Wiring Diagram 10 1 Indoor Unit This Document can not be used without Samsung s authorization Code No DB98 08453A ...

Page 42: ...41 Samsung Electronics This Document can not be used without Samsung s authorization 10 2 Outdoor Unit C1 MOTOR CAPACITOR C2 COMP CAPACITOR FM FAN MOTOR O L P OVER LOAD PROTECTOR Code No DB98 15123A ...

Page 43: ...Samsung Electronics 42 11 Schematic Diagram 11 1 Indoor Unit AC PART This Document can not be used without Samsung s authorization ...

Page 44: ...43 Samsung Electronics 11 2 Indoor Unit DC PART Schematic Diagram This Document can not be used without Samsung s authorization ...

Page 45: ...MEMO Samsung Electronics 44 ...

Page 46: ...e 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 Feb 2004 Printed in Korea Code No DB98 17813A 1 ...

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