Samsung SH07AWH Service Manual Download Page 14 | Manualshive

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13

Samsung Electronics

3-2 Outdoor Unit

No

Parts

Procedure

Remark

1

Common Work

1) Loosen 2 fixing screws and detach the

Cover Terminal.

2) Loosen 2 fixing screws and detach the

Cover Control.

3) Detach the connection wire from the

Terminal Block.

4) Loosen 6 fixing screws and detach the

Cabinet-Front.

5) Loosen 1 fixing screw of Ass'y E-part.

6) Loosen 12 fixing screws and detach the

Cabinet-Side.

DB98-21337A(1) 05/1/4 2:20 AM Page 13

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Summary of Contents for SH07AWH

Page 1: ...AIR CONDITIONER 1 Product Specifications 2 Operating Instructions Installation 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 Wiring Diagram ROOM AIR CONDITIONER ...

Page 2: ...mpressor Motor Type Rated Output Oil Type 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 SH07AWH Wall mounted 2 25 2 35 1 0 5 3 19 5 8 19 37 49 37 49 2 81 3 22 1 220 240 50 800 730 3 6 3 3 96 6 96 2 17 250V 10 16A 728x255x155 660x470x240 28 6...

Page 3: ...Samsung Electronics 2 1 2 Pressure Graph 11 10 9 8 7 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: ...ir conditioner automatically after a given period of time that is from 30 minutes to 24 hours To cancel press the Set Cancel button Off Timer button The Off Timer enables you to switch off the air conditioner automatically after a given period of time that is from 30 minutes to 24 hours To cancel press the Set Cancel button In case of Heat pump model In case of Cooling only model Auto Mode Fan Mod...

Page 5: ...s 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 setting 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 previous mode But if you press the TURBO button in DRY or FAN mode ...

Page 6: ...can set the period of time from 30 minutes to 24 hours OFF TIMER The Off Timer enables you to switch off the air conditioner automatically after a given period of time You can set the period of time from 30 minutes to 24 hours 11 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 be...

Page 7: ...ng Connecting You shall cut the pipe straightly with a pipe cutter and grind all the burrs of the cut surface Pipe expansion may continue until the pipe surface becomes uneven or torn apart Be sure to use a torque wrench to tighten pipes or flare nuts Leak Test Put an inert gas like nitrogen in the outdoor unit pipe and put soap bubbles or other test liquids on the pipe surface for the leak test D...

Page 8: ...old gauge clockwise Remove the hose of the low pressure side of manifold gauge 7 Check for gas leakage At this time especially check for gas leakage from the 3 Way valve s stem nuts and from the service port cap 2 Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port 3 8 Packed valve as shown at the figure 5 Set valve cork of both liquid side an...

Page 9: ...nit to cool operation mode 7 Stop operation of the air conditioner 9 Close the cap of each valve 2 Turn the 3 Way valve clockwise to close connect the pressure gauge low pressure side to the service valve and open the 3 Way valve again 5 Check the pressure indicated by the pressure gauge low pressure side Standard pressure is should be 9 0 10 0kg cm2 in a regular high operation mode 6 Open the ref...

Page 10: ...on of the air conditioner Relocation of the air conditioner Refer to this procedure when the unit is relocated Carry out the pump down procedure refer to the details of pump down Remove the power cord Disconnect the assembly cable from the indoor and outdoor units Remove the flare nut connecting the indoor unit and the pipe At this time cover the pipe of the indoor unit and the other pipe using a ...

Page 11: ...rocedure Remark 1 Front Grille 1 Stop the air conditioner operation and block the main power 2 Detach tape of Grille Air Inlet 3 After Both End Part of the Grille Lower Position are pressing it shall be detach by pushing up 4 Loosen 1 of the right screw and detach the Terminal Cover 5 Detach the thermistor from the Front Grille 6 Loosen 3 fixing screws of Front Panel ...

Page 12: ...r to disassemble the Panel Front press in order the left center and right of the upper side of the Panel Grille with the plam of the hand to remove the hook And then disassemble the Panel Grille 1 Pull Tray Drain out from the Back Body 1 Take all the connector of PCB upper side out Inclusion Power Cord 2 Detach the outdoor unit connection wire from the Terminal Block 3 If pulling the main PCB up i...

Page 13: ...pe 3 Detach the Holder Pipe at the rear side 4 Loosen the 2 fixing screws of right and left side 5 Lifting the Heat Exchanger up a little to push the up side for separation from the indoor unit 1 Loosen the 4 fixing screws and detach the Motor Holder 2 Loosen the fixing screw of Fan Motor with a M3 wrench 3 Detach the Fan Motor from the Fan 4 Detach the Fan from the left Holder Bearing ...

Page 14: ...ing screws and detach the Cover Terminal 2 Loosen 2 fixing screws and detach the Cover Control 3 Detach the connection wire from the Terminal Block 4 Loosen 6 fixing screws and detach the Cabinet Front 5 Loosen 1 fixing screw of Ass y E part 6 Loosen 12 fixing screws and detach the Cabinet Side ...

Page 15: ...detach the Motor 4 Loosen 2 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 bolts of the lower part 4 Detach the...

Page 16: ... 7m If the pipe length exceeds 7 5m the standard please add 15g of refrigerant whenever the length increases by 1m Cooling Heating Gas Leak Check Polnt Indoor Unit Outdoor Unit T1 T2 Heat exchanger Evaporator Heat exchanger Evaporator Propeller fan Cross fan 2 Way valve Capillary tube 3 Way valve 4 Way valve Gas side Liquid side Compressor ...

Page 17: ...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 value which has a default 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 time you pu...

Page 18: ...election 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 Press the ON OFF button When pressing the operation ON OFF key with the direction of remote control for unit the sound Ding or Diriring is heard and the OPERATION ICON lamp of the display is flicke...

Page 19: ...de and fan speed of the indoor unit decreases In case of heat pump model Compressor of the outdoor unit is operating although it is turned off in a HEAT mode In case of heat pump model 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 conditioner Explan...

Page 20: ...ock N 1 and 1 Able to operate the remote control Unable to operate the remote control AC198V AC242V No power source displayed OK Press the ON OFF button in the indoor unit If it operates the remote control and indoor unit receiver are in trouble If not the indoor unit is in trouble Problem with the outdoor unit or PCB Problem with the relay RY71 or PCB No Abnormal condition Inspection Initial Diag...

Page 21: ... sensor from the ASS Y 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 CN43 check Is the sensor resistance value 10KΩ 3 at the room temperature of 25 C Yes Poor ASS Y PCB Replace Below 0 5V Yes Poor ASS Y PCB Replace Over 4 9V Indoor unit room tempe...

Page 22: ...ata is not met replace the room pipe sensor 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 Temperature C 15 20 25 Temperature C 30 35 40 Resistance Value Kohm 8 31 6 94 5 83 Resistance Value Kohm 14 68 12 09 10 Others The data tolerance is 3 Ind...

Page 23: ...ct 3 Is HALL IC in indoor fan motor properly connected with the connector CN44 4 Is the running capacitor CR71 properly connected with PCB board 2 Troubleshooting procedure Yes Yes Yes After unplugging out the power cord should be reconnected within 5 seconds No Check as in the procedure NO power parts No Micom should be replaced Does the Solid State Relay SS71 work properly Does the OPERATION lam...

Page 24: ...cord and plug it after 5 seconds Check the setting temperature operate Check the display board Check the indoor unit control board No Reconnect wires correctly Check whether two wires of power cord are connected correctly to the terminal block and control board Press the Power Button on the remote control unit to operate the air conditioner No Replace fuse Check whether the fuse on the control boa...

Page 25: ...TERMINAL BLOCK connector N 1 1 2 3 2 Troubleshooting procedure Yes Yes No Yes No Yes After unplugging out the power cord should be reconnected within 5 seconds Does the timer lamp blink during operation No Check as in the procedure No Power parts No PCB should be checked Is the power relay RY71 operated by adjusting the room temperature Does the OPERATION lamp blink Micom is out of order PCB shoul...

Page 26: ...CN71 connector No Yes Yes Yes After training on the heating operation should start in 5 minutes 4 Way valve should be replaced or connecting Cable Check Yes Normal No Abnormal Micom Is the number checking 11 of IC05 ULN2003A LOW Is the number 38 of Micom IC04 DC5 0V No Abnormal IC05 Is the voltage between CN71 1 and CN71 5 rating voltage 10 range No Abnormal RY73 PCB should be replaced Abnormal 4 ...

Page 27: ...re Yes No Yes Yes Remove power cord and plug in again in approx 5 seconds UP DOWN louver motor is faulty No Check as in the procedure No Power parts Yes Normal Does operation start when swing button of the remote control unit pushed Is STD lamp blinking No Micom IC04 is faulty Voltage at pin 57 60 of micom IC04 change Squarewave No Driver IC06 08 ULN2003A is faulty Voltage at pin 16 of IC06 ULN200...

Page 28: ...heck 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 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 ...

Page 29: ...AN Speed High 2 Continuous Operation 1 Is the fuse disconnected F701 Checking the power voltage 1 Is the DB71input voltage AC200V AC240V 2 Is the voltage between both terminals of the C102 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 voltage of the relay RY71 coil IC05 PIN 11 an...

Page 30: ...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 31: ...or Short 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 300Ω 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 120Ω at the...

Page 32: ...MEMO 31 Samsung Electronics ...

Page 33: ...1 1 4 1 5 5 1 5 4 5 2 1 3 1 2 4 2 4 5 5 5 3 3 4 3 3 3 5 3 2 3 1 9 2 1 2 2 4 1 4 3 10 1 10 2 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 34: ...0866A COVER DISPLAY PC 1 3 3 DB93 02534A ASS Y DISPLAY PCB ASS Y 1 3 4 DB63 00865A COVER DISPLAY PCB HIPS 1 3 5 DB61 01657A HOLDER LED HIPS 1 4 DB93 02513D ASS Y CONTROL IN ASS Y 1 4 1 DB61 01656A HOLDER CONTROL HIPS V0 1 4 2 DB93 02617A ASS Y MAIN PCB ASS Y 1 4 3 DB62 01661A HOLDER CLAMP IN SGCC M 1 5 DB94 00314A ASS Y TRAY DRAIN ASS Y 1 5 1 DB63 00869A TRAY DRAIN ABS 1 5 2 DB94 00551A DRAIN HOSE...

Page 35: ...Samsung Electronics 34 7 2 Outdoor Unit 14 2 14 1 23 24 22 11 2 1 7 14 8 10 12 15 16 5 3 6 21 19 20 18 17 4 9 9 1 13 2 13 6 13 1 13 13 3 13 5 13 4 ...

Page 36: ...KET MOTOR 1 12 DB90 00109D ASS Y CABI SIDE 1 13 DB93 02565C ASS Y CONTROL OUT 1 13 1 2501 001236 C OIL 1 13 2 DB93 00481A ASS Y LEAD WIRE 1 13 3 DB61 00172A HOLDER CAPACITOR 1 13 4 DB65 40049E TERMINAL BLOCK 1 13 5 2301 001375 C FILM 1 13 6 DB61 00170A CASE CONTROL OUT 1 14 DB90 00108J ASS Y CABI FRONT 1 14 1 DB63 00099A GUARD FAN WIRE 1 14 2 DB64 00086A CABINET FRONT 1 15 DB90 00152A ASS Y COVER ...

Page 37: ...MACHINE CLAMP WIRE POWER CORD ASS Y THERMISTOR ASS Y C W SUB MAIN CONNECTOR PCB U D Q TY HIPS ASS Y ASS Y SGCC M T1 0 PH M3xL22 TH M4xL10 TH M4xL16 ABS ASS Y ASS Y ASS Y 1 1 1 1 1 1 2 1 1 1 1 1 DB61 01656A DB93 02617A DB93 02508A DB61 01661A 6001 000929 6001 001054 6001 000725 DB61 00171A DB93 01549B DB32 00020A DB93 02498A DB39 00147D Specification 7 3 Ass y Control In DB93 02513D ...

Page 38: ...DE AUTO COOL DRY FAN HEAT FAN SPEED SELECT H M L BLADE H MOVING SELECT SWING STOP ENERGY SAVING ZERO VOLTAGE DETECT BLADE CONTROL INDOOR FAN MOTOR CONTROL COMPRESSOR CONTROL TEMPERATURE CONTROL TIMER BUZZER CONTROL OUTDOOR FAN MOTOR CONTROL 4 WAY VALVE CONTROL TRIGGER SIGNAL SSR RPM DETECT COMPRESSOR DRIVE OUTDOOR FAN MOTOR DRIVE STEPPING MOTOR DRIVE BUZZER DRIVE 4 WAY VALVE DRIVE COMPRESSOR CONTR...

Page 39: ...Samsung Electronics 38 9 Wiring Diagram 9 1 Indoor Unit This Document can not be used without Samsung s authorization Code No DB98 15960A ...

Page 40: ...39 Samsung Electronics This Document can not be used without Samsung s authorization Code No DB68 01765A 9 2 Outdoor Unit C1 MOTOR CAPACITOR C2 COMP CAPACITOR ...

Page 41: ...MEMO Samsung Electronics 40 ...

Page 42: ...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 Jan 2005 Printed in Korea Code No DB98 21337A 1 ...

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