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Samsung UQ09A56MA, Service Manual

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Samsung UQ09A56MA Service Manual Download Page 26

24

6. Wiring Diagrams

6-1 Indoor Unit

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AS07A5(6)MA

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AS09A5(6)MA

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AS12A5(6)MC

 15-00187A(1)-WD  5/16/01 2:02 PM  Page 24

Summary of Contents for UQ09A56MA

Page 1: ...d 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 AS12A5 6 MC OUTDOOR UNIT US07A5 6 MA US09A5 6 MA US12A5 6 MC E DB81 00187A 1 ...

Page 2: ......

Page 3: ...lve 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 refrigerant tank and fill with refrigerant until the rated pressure is reached It is recommended not to pour the refrigerant in too quickly but gradually while operating a pressure valve 8 Close the 3 way va...

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 plate for the indoor unit and move it to a new location Pump down shall be carried out when an evaporator is replaced or when the unit is relocated in another area 1 Remove the caps from the 2 way v...

Page 5: ...ct 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 three fixing screws of front grille 7 Pull the upper left and right of discharge softly for the outside cover to be pulled out 8 Pull softly the lower part of discharge and push it up Caution Assemb...

Page 6: ...on 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 Loosen the three fixing screws of right and left side 6 Lifting the heat exchanger up a little to push the up side for separation from the indoor unit 1 Do 1 2 3 4 above 2 Loosen the fixing two screws ...

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 separate the cabi side 1 Do 1 above 2 Losen four serews and seperaate Guard Fan from front cabinet US07A5 6 MA US09A5 6 MA ...

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 the terminal cover 3 Disassemble the inlet and outlet pipe of compressor by welding 4 Disassemble the inlet and outlet pipe of condenser by welding 5 Loosen the three bolts of the lower part 6 Separat...

Page 9: ...ng 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 Loosen 5 fixing screws and separate the side cabinet US12A5 6 MC ...

Page 10: ...ocedure 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 separate the motor ...

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 the operation ON OFF button on the remote control unit is pushed In happens after a delay of 3 minutes when the compressor is reop erated The same phenomenon occurs when a power is on As a phenomenon...

Page 12: ...l 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 cord and terminal tap Check fuse Is 325VDC appear in the secondary side of BD71 Replace SMPS PARTS YES NO YES NO YES YES YES NO YES YES YES DC5V 10ms 10ms 250ns NO NO OK YES YES YES YES NO NO YES Norma...

Page 13: ...g 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 location PCB CN72 Condition Fan operate about AC 180V Normal voltage pin 3 and 5 YES YES YES NO NO NO Check as in the procedure NO power parts Refer tp page 5 2 Microcomputer is out of order PCB is out ...

Page 14: ...ink 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 temperature sensor is out of order Check as in the procedure No Power parts Refer to page 5 2 Is the room sensor normal register 10 C 20 C 30 C 17 96k Ω 12 09k Ω 8 3k Ω Does the timer lamp blink during...

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 of IC06 KID65003 change Squarewave UP DOWN louver motor is faulty Driver IC06 KID65003 is faulty Micom IC04 is faulty Normal Check as in the procedure No Power parts Refer to page 5 2 Y Y N N N Y Y Y...

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 of battery less than 2 5V Remote Control Unit LCD display status of REMOCON normal Voltage at PIN 30 of Remocon Micom change Voltage at collecter of Q601 or Q602 change Voltage at pin 26 of micom IC04...

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: ...93 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 IN THERMISTOR WIRE ASS Y ASS Y CONTROL IN ASS Y PCB MAIN IC EPROM IC PWM CONTROLLER RELAY MINIATURE SSR IC MCU TERMINAL BLOCK ASS Y ASS Y PCB DISPLAY C CERAMIC MLC AXIAL MODULE REMOCON CONNECT WIRE P...

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: ...6A 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 10004A DB60 30018A DB63 20002A DB63 10165D DB60 30028A DB96 00553B DB96 00553A DB62 00254B DB96 00615A DB96 00245A DB62 40073B DB96 00616A DB96 00154A DB75 00029B DB64 60171D DB67 90024A DB63 10443C G...

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: ...31 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 DB63 20002A DB63 10165D DB60 30018A DB96 00492B DB96 00510A DB64 00136C DB67 90025A GUARD FAN NUT FLANGE PROPELLER FAN MOTOR FAN OUT ASS Y FRAME PAINT ASS Y PARTITION CABINET UPPER ASS Y CONTROL OUT...

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 Specification ABS AS09A3ME AS09A3ME SGCC M AWG 16 WP TH M4 L8 ZPC WHT T C PH M3 L22 TH M4 L16 ZPC WHT SWRCH Remark ...

Page 25: ...point 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 T2 Indoor Outdoor 3 Way Valve DB WB DB WB Standard 71 81 50 54 50 54 80 67 95 75 Cooling Max over load 60 64 60 64 80 67 115 75 Low temp 55 56 34 39 34 39 67 57 67 57 ...

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

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

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

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