Samsung AS09A5MA, Service Manual

Page 1: ...Reassembly 3 Troubleshooting 4 Exploded Views and Parts List 5 Refrigerating Cycle Block Diagrams 6 Wiring Diagrams 7 Schematic Diagrams ROOM AIR CONDITIONER INDOOR UNIT AS07A5 6 MA AS09A5 6 MA AS12A...

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Page 3: ...ve and open the 3 way valve again 5 Check the pressure indicated by the pressure gauge low pressure side Standard pressure is should be 64 78kg cm2 in a reqular high operation mode 6 Open the refriger...

Page 4: ...foreign material entering 6 Make sure you do not bend the connection pipes in the middle and store together with the cables 7 Move the indoor and outdoor units to a new locatioon 8 Remove the mounting...

Page 5: ...t the second finger to the left and right handle and pull to open the inlet grille 4 Take the left and right filter out 5 Loosen one of the right fixing screw and sepa rate the terminal cover 6 Loosen...

Page 6: ...n drain hose 2 Pull tray drain out from the back body 1 Do 1 and 2 3 above 2 Loosen two fixing earth screws of right side 3 Separate the connection pipe 4 Separate the holder pipe at the rearside 5 Lo...

Page 7: ...cover E parts 2 Separate the connection wire from the terminal block 3 Loosen five fixing screws and separate the cabi Upper 4 Loosen two fixing screws of Ass y E part 5 Loosen nine fixing screws and...

Page 8: ...above 2 Loosen two fixing screws of left and right side 3 Disassemble the inlet and outlet pipe by weld ing 4 Separate the heat exchanger 1 Do 1 above 2 Loosen the nut on the terminal cover and open t...

Page 9: ...g screw and separate the Handle Cabi RH 2 Separate the connection wire from the terminal block 3 Loosen 6 fixing screws and separate the upper cabinet 4 Loosen the fixing screw of Ass y E part 5 Loose...

Page 10: ...cedure Remark Fan Motor 2 1 Loosen 4 fixing screw of the Guard Fan 2 Remove the nut flange Turn to the right to remove as it is a left hand screw 3 Separate the fan 4 Loosen four fixing screws to sepa...

Page 11: ...and the air conditioner does not operate 6 The compressor stops intermittently in a COOL mode or DRY mode and fan speed of the indoor unit decreases It indicates power is on The LED stops blinking if...

Page 12: ...Is voltage at 50 terminal of the Micom normal 0VDC Is voltage at 18 terminal of the Micom normal 5VDC Is rating voltage 10 range applied to the primary side of the BD71 Check linkage between power co...

Page 13: ...out the power cord should be reconnected within five seconds Does the STD lamp Green blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan motor sufficient Test rod loc...

Page 14: ...blink YES YES NO NO NO NO YES YES Outdoor unit is out of order Power relay is out of order Power relay should be replaced PCB should be checked Microcomputer is out of order PCB should be checked Room...

Page 15: ...plug in again in approx 5 seconds Is STD lamp blinking Does operation start when swing button of the remote control unit pushed Voltage at pin 1 4 of micom ICO4 change Squarewave Volatge at pin 13 16...

Page 16: ...Micom is faulty Receiver module is faulty Q601 C4375Y or Q602 C1623Y is faulty IR LED CL 1L5EU is faulty sound heard from the indoor unit when ON OFF button on the remote control unit pushed Voltage o...

Page 17: ...15 MEMO...

Page 18: ...16 4 Exploded Views and Parts List 4 1 Indoor Unit 17 16 14 22 9 7 21 3 4 5 6 19 20 8 12 25 13 4 23 13 3 13 2 13 13 1 11 10 2 1 15 18 1 18 5 18 4 18 18 6 18 6 1 18 2 18 3 24...

Page 19: ...3 00251K DB70 00114A DB63 00226A GRILLE AIR INLET GUARD AIR FILTER FILTER CLEANER ASS Y COVER TEMINAL ASS Y PANEL SPACER EVAP LOW SPACER EVAP UP COVER U BEND ASS Y FAN CROSS SF BOLT SPECIAL MOTOR FAN...

Page 20: ...18 4 2 Outdoor Unit 1 2 3 4 12 17 17 1 18 1 18 19 23 21 22 20 10 16 14 11 15 13 5 8 2 8 3 8 8 1 8 4 6 7 9 US07A5 6 MA US09A5 6 MA...

Page 21: ...A DB31 10058G DB90 00264A DB94 00078A DB90 00077B DB93 00424C DB93 00424B 2501 001226 2501 001230 2301 001379 DB33 00423A DB65 40074A DB72 00453A 44A072HW1EB 44B092HW1EL DB47 20001V DB47 20066E DB73 1...

Page 22: ...20 2 1 2 0 1 9 8 8 1 6 8 3 1 0 8 6 1 2 9 1 4 5 4 1 7 2 3 1 3 1 7 1 6 8 5 1 5 1 0 1 1 8 4 8 2 US12A5 6 MC...

Page 23: ...10058C DB90 00272A DB94 50077A DB90 00085B DB93 00424D 2501 001226 2301 001377 DB65 40074A DB93 00423A DB47 20001L DB67 60020A DB72 50574D DB96 00489A DB96 00488A 48A135IV1EL DB73 10004B DB60 30028A...

Page 24: ...PCB ASS Y TERMINAL BLOCK ASS Y DISPLAY PCB CONNECTOR WIRE PCB U D BRACKET EARTH HOLDER WIRE CLAMP CONNECTOR WIRE EARTH SCREW SCREW SCREW HOLDER CLAMP IN SEAL PANEL FRONT RH SEAL H CONTROL FRONT Specif...

Page 25: ...oint Cross fan Heat exchanger Condenser Propeller fan Compressor T1 T2 Cooling Refrigerating cycle temperature and pressure STD Pressure Piping Temp F Use Temp Condition F Operating Condition psi T1 T...

Page 26: ...24 6 Wiring Diagrams 6 1 Indoor Unit AS07A5 6 MA AS09A5 6 MA AS12A5 6 MC...

Page 27: ...6 2 Outdoor Unit US07A5 6 MA DIAGRAM OUTDOOR C1 4 F x 450VAC C2 25 F x 370VAC US09A5 6 MA DIAGRAM OUTDOOR C1 4 F x 450VAC C2 45 F x 370VAC US12A5 6 MC DIAGRAM OUTDOOR C1 1 5 F x 450VAC C2 25 F x 370V...

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Page 30: ...ELECTRONICS Printed in Korea...