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8

Disassemble and reassemble (cont’d)

Ι  

UQ12AA(B)MCF

No.

Part

Procedure

Remark

Common Work

1) Loosen a screw and separate the cover 

E-part.

2) Separate the connection wire from the

terminal block.

3) Loosen thirteen screws and separate

the front cabinet.

4) Loosen a screw of the control box.

5) Loosen four screws and separate the

side cabinet.

1

 AQ09A5(6)MA SM_E_15777  1/12/04 5:02 PM  Page 8

Summary of Contents for UQ09A5(6)MAF

Page 1: ...SERVICE Manual SPLIT TYPE AIR CONDITIONER AQ09A5 6 MAF AQ12AA B MCF Indoor Unit UQ09A5 6 MAF UQ12AA B MCF Outdoor Unit E DB98 15777A 1 ...

Page 2: ...t be more than 23ft 7m from the air conditioner If applicable WARNING DURING OPERATION Never store or ship the air conditioner upside down or sideways to avoid damage to the compressor The appliance is not intended for use by young children or infirm persons without supervision Young children should be supervised to ensure that they do not play with the appliance Max current is measured according ...

Page 3: ...agnosis by symptom 13 14 ASSEMBLY DRAWING AND PART S LIST 1 Indoor unit 2 Outdoor unit 3 Assembly control in 4 Assembly control out 22 24 28 30 WIRING DIAGRAM 1 Indoor unit 2 Outdoor unit 39 40 SCHEMATIC DIAGRAM 1 Indoor unit 2 Outdoor unit 42 43 REFRIGERATING CYCLE BLOCK DIAGRAM 32 SET UP THE OPTION CODE 10 Ι ΙΙ ΙΙΙ ΙΛ Λ ΛΙΙ ΛΙΙΙ PERFORMANCE CURVE 33 ΛΙ ...

Page 4: ...he tape from the front panel 3 Contract the second finger to the left and right handle And pull the inlet grille to open 4 Take the left and right filter out 5 Loosen one of the right screw and separate the terminal cover 6 Loosen three screws of front panel 7 Pull the upper left center and right of discharge softly so that the outside cover is pulled out 8 Pull softly the lower part of discharge ...

Page 5: ...in hose from the extension drain hose 2 Pull tray drain out from the back body 1 Loosen two ground screws at the right side 2 Separate the connection pipe 3 Separate the holder pipe at the rear side 4 Loosen three screws at the right and left side 5 Lift the heat exchanger up a little to push the upper side to separate it from the indoor unit 1 Loosen two screws and separate the motor holder 2 Loo...

Page 6: ...rt 2 Separate the connection wire from the terminal block 3 Loosen five screws and separate the upper cabinet 4 Loosen a screw of the control box 5 Loosen nine screws and separate the side cabinet 1 Loosen four screws and separate Guard Fan from the front cabinet UQ09A5 6 MAF Disassemble and reassemble cont d Ι ...

Page 7: ...d right side 3 Disassemble the inlet and outlet pipe by welding 4 Separate the heat exchanger 1 Release the refrigerant 2 Loosen the nut on the terminal cover and open the terminal cover 3 Separate the OLP and the compressor wire 4 Disassemble the inlet and outlet pipe of compressor by welding 5 Disassemble the inlet and outlet pipe of condenser by welding 6 Loosen three bolts of the lower part 7 ...

Page 8: ...re Remark Common Work 1 Loosen a screw and separate the cover E part 2 Separate the connection wire from the terminal block 3 Loosen thirteen screws and separate the front cabinet 4 Loosen a screw of the control box 5 Loosen four screws and separate the side cabinet 1 ...

Page 9: ...gerant 2 Loosen screws of left and right side 3 Disassemble the inlet and outlet pipe by welding 4 Separate the heat exchanger 1 Release the refrigerant 2 Open the terminal cover of compressor and unscrew the connection terminal 3 Separate the OLP and the compressor wire 4 Disassemble the inlet and outlet pipe of compressor by welding 5 Loosen three bolts of the lower part 6 Separate the compresso...

Page 10: ...t Step 2 Preparing for the remote control option set N N N No o o ot t t te e e e 1 If the first number is it is correct Otherwise press the button until appears 2 When pressing the button on the display select one of them 3 When pressing the button on the display select one of them 4 When pressing the button on the display select one of them 5 When pressing the button on the display select one of...

Page 11: ...5 Testing the unit When pressing the On Off button in the direction of the remote control for unit it sounds beep or ringing and the first LED lamp on the left side is flickering at the same time then the input option is completed If it doesn t sound ringing try again by pressing the On Off button Step 4 Pressing the On Off button Error mode 1 If all lamps of the indoor units are flickering plug o...

Page 12: ...12 Table of the option code Set up the option code cont d ΙΙ Model AQ09A5MAF AQ09A6MAF AQ12AAMCF AQ12ABMCF 016A25 1700Fb 006A25 1700Fb 017227 170340 007227 170340 Option code ...

Page 13: ... mode The Fan speed is five steps are selected automatically in the Auto mode Compressor stops operating intermittently in the Dry mode Compressor operation is controlled automatically in the Dry mode depending on the room temperature and humidity Compressor of the outdoor unit is operating although it is turned off in a Heat mode When the unit is turned off while de ice is activated the compresso...

Page 14: ...an of Micom normal Is voltage of 10 IC04 terminal of Micom normal 0VDC Is voltage of 9 IC04 terminal of Micom normal 5VDC Is voltage rating within 10 range applied to the primary side of the BD71 Check linkage between a power cord and a terminal tap Check fuse Does 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 ...

Page 15: ...ut between L1 and 1 of the out door terminal block Is voltage rating between 1 and 3 CN72 normal Is AC voltage between 1 and 3 CN11 AC 17V Is DC voltage between O and G IC01 normal Is DC voltage between G and O IC01 DC 12V Is DC voltage between O and G IC02 DC 5V Is the power supply normal Check the other connection parts Check F701 F702 is open Replace PCB TRANS is abnormal Replace TRANS BD71 or ...

Page 16: ...erly connected with PCB board 2 Troubleshooting procedure After unplugging 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 the procedure No p...

Page 17: ...ected within five seconds Does the STD lamp blink YES YES NO NO NO NO YES YES Outdoor unit is abnormal Power relay is abnormal Replace the Power relay Check PCB Micom is abnormal Check PCB Room temperature sensor is abnormal Check as the procedure No Power Refer to page 14 Is the room sensor registered normal 50 F 10 C 68 F 20 C 86 F 30 C 17 96k Ω 12 09k Ω 8 3k Ω Does the timer lamp blink during o...

Page 18: ...d L2 of the outdoor terminal block Is voltage rating between L1 and 1 Is LED 01 of the indoor PCB on Is the compressor on Is the Outdoor fan on Is AC voltage between L1 and 1 CN76 Normal Check the indoor PCB again Check the connection wire and No Power Refer to page 14 Check the compressor lead wire again Check the indoor PCB and connection wire again YES YES YES YES NO NO NO NO ...

Page 19: ...ting procedure Remove the power cord and plug it in again in approx five seconds Does STD lamp blink Does it start operating when you push the swing button of the remote control Is voltage of 58 61 of Micom ICO4 changed Squarewave Is voltage of 13 16 of IC06 ULN2003A changed Squarewave The UP DOWN louver motor is abnormal Driver IC06 ULN2003A is abnormal Micom IC04 is abnormal Normal Check as the ...

Page 20: ...y connected with the CN71 connector 2 Troubleshooting procedure After training on the Heating starts in five minutes Is 9 of Micom IC04 DC 5 0 V Is the number checking 12 of IC06 ULN2003A LOW Is voltage rating between CN71 3 and CN71 5 within 10 range 4 way valve of the outdoor unit or connection cable is abnormal Replace 4 way valve check connection cable NO YES YES YES NO NO NO YES Normal Micom ...

Page 21: ... is abnormal IR LED CL 1L5EU is abnormal The melody sounds from the indoor unit when you push the On Off button on the remote control Is voltage of battery less than 2 5V Remote Control Unit Is LCD display status of the remote control normal Is voltage of 15 IC04 of remote control of Micom changed Is voltage at collector of Q601 or Q602 changed Is voltage of 20 of Micom IC04 changed Indoor unit Mi...

Page 22: ...22 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 Assembly drawing and part s list ΙΛ 1 Indoor unit ...

Page 23: ... 01443A DB94 40003A DB93 00861B DB70 00114A DB63 00226A GRILLE AIR INLET GUARD AIR FILTER FILTER CLEANER ASS Y COVER TEMINAL ASS Y PANEL FRONT SPACER EVAP LOW SPACER EVAP UP COVER U BEND ASS Y CROSS FAN BOLT SPECIAL MOTOR FAN IN MOTOR FAN IN THERMISTOR WIRE ASS Y ASS Y CONTROL IN ASS Y CONTROL IN ASS Y PCB MAIN ASS Y PCB MAIN TERMINAL BLOCK ASS Y ASS Y PCB DISPLAY CONNECT WIRE PCB ASS Y BACK BODY ...

Page 24: ...24 Assembly drawing and part s list cont d ΙΛ UQ09A5 6 MAF 1 2 3 4 12 18 1 8 4 17 17 1 22 20 21 19 18 2 18 10 16 14 11 15 13 5 8 2 8 3 8 8 1 8 5 6 7 9 2 Outdoor unit ...

Page 25: ... 17 1 18 18 1 18 2 19 20 21 22 DB63 00086B DB60 30004A DB67 00036A DB31 10058G DB90 00264A DB94 00078A DB90 00077B DB93 00424S 2501 001230 2301 001379 DB33 00423A DB27 00004B DB65 40074B DB72 00453A 44B098HX1EF DB35 00011D DB73 00070A DB60 30018A DB63 20002A DB63 10165D DB60 30028A DB96 00554A DB62 00254B DB99 00446A DB62 00118A DB62 40073B DB96 01911B DB64 60171D DB67 00091A DB63 10443C GUARD FAN...

Page 26: ...26 Assembly drawing and part s list cont d ΙΛ 1 9 1 8 4 2 1 3 8 6 1 1 1 3 1 2 1 6 1 5 8 5 1 4 2 1 1 0 5 8 9 7 6 2 0 1 7 24 23 22 8 13 8 11 8 1 8 2 8 3 8 12 8 8 8 9 8 10 8 14 8 15 8 7 8 4 UQ12AA B MCF ...

Page 27: ...PACITOR MOTOR TERMINAL BLOCK ASS Y LEAD WIRE OLP SPRING OLP ASS Y CONNECT WIRE THERMOSTAT ASS Y CONNECT WIRE THERMOSTAT B CONNECT WIRE THERMOSTAT A HOLDER PCB ASS Y MAIN PCB OUT TRANS POWER THERMISTOR ASS Y ASS Y CONNECTOR WIRE SOLENOID ASS Y PARTITION ASS Y 4WAY VALVE COMPRESSOR GROMMET ISOLATOR NUT WASHER GASKET COVER TERMINAL NUT FLANGE ASS Y CHECK VALVE ASS Y COND UNIT ASS Y CABI SIDE COVER E ...

Page 28: ...28 3 Assembly control in Assembly drawing and part s list cont d ΙΛ AQ09A5 6 MAF AQ12AA B MCF ...

Page 29: ...P IN SEAL PANEL FRONT RH SEAL H CONTROL FRONT LABEL ASS Y THERMISTOR Code No AQ09A5 6 MAF AQ12AA B MCF DB61 00160B DB93 01017E DB65 00030B DB93 00268A DB39 00147A DB61 00219B DB72 10191T DB62 02664A DB68 01975A DB32 00020A DB61 00160B DB93 01017A DB65 00030B DB93 00268A DB39 00147A DB61 00219B DB72 10191T DB62 02664A DB68 01975A DB32 00020A SNA SNA SNA SNA Remark ...

Page 30: ...30 4 Assembly control out Assembly drawing and part s list cont d ΙΛ UQ12AA B MCF ...

Page 31: ...EW TAPPING LABEL CAUTION THERMOSTAT CONNECT WIRE CONNECT WIRE SCREW TAPPING TRANS CONNECT WIRE ASS Y THERMISTOR SCREW TAPPING HOLDER WIRE CLAMP WIRE CABEL CLAMP ASS Y PCB MAIN OUT Specification SGCC M T0 6 ASS Y 35uF 450VAC SGCC MØ50 2S M4 x L10 1 5uF 450VAC 300V 20A 5P ABS BLK NYLON BLK FH M4 x L12 TH M4 x L16 ZPC YEL M4 x 8 ASS Y STS304 WPA RAC12074 9622 SILICON GLASS PH M4 x 25 50 x 12 PW 2N ON...

Page 32: ...ting Condition Cooling Heating Standard Max over load Low temp Standard Max over load Low temp 70 74 248 287 48 53 9 12 60 64 16 18 34 39 1 4 99 110 37 43 100 109 38 43 85 95 29 35 48 53 9 12 60 64 16 18 34 39 1 4 134 155 57 68 140 160 60 71 107 120 42 49 80 27 80 27 67 19 70 21 70 21 70 21 DB WB DB WB 67 19 67 19 57 14 60 16 60 16 95 35 115 46 67 19 47 8 75 24 35 2 75 24 75 24 57 14 43 6 65 18 33...

Page 33: ...e set at HI 55 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 65 75 85 95 105 115 Total power consumption x10 3 kW Outdoor intake air DB temperature F Indoor intake air WB temperature F Total capacity 55 65 75 85 95 105 115 0 2 4 6 8 10 12 Total capacity x10 3 Btu h Outdoor intake air DB temperature F Indoor intake air WB temperature F 71 67 63 59 71 67 63 55 ...

Page 34: ...90 240 290 340 390 Condensing pressure psi G Outdoor ambient DB temperature F Indoor DB temperature F Low pressure 55 65 75 85 95 105 115 40 45 50 55 60 65 70 75 80 85 90 Suction pressure psi G Outdoor ambient DB temperature F Indoor DB temperature F 86 80 75 70 86 80 75 70 ...

Page 35: ... 70 80 Suction temperature F Outdoor ambient DB temperature F Indoor DB temperature F Discharge temperature 55 65 75 85 95 105 115 100 120 140 160 180 200 220 240 Discharge temperature F Outdoor ambient DB temperature F Indoor DB temperature F 86 80 75 70 86 80 75 70 ...

Page 36: ... outdoor fan 0 9 1 0 1 1 1 2 1 3 1 4 1 5 55 65 75 85 95 105 115 Total power consumption x10 3 kW Outdoor intake air DB temperature F Indoor intake air WB temperature F Total capacity 6 7 8 9 10 11 12 13 14 15 16 55 65 75 85 95 105 115 Total capacity x10 3 Btu h Outdoor intake air DB temperature F Indoor intake air WB temperature F 71 67 63 59 71 67 63 59 ...

Page 37: ...5 95 105 115 Condensing pressure psi G Outdoor ambient DB temperature F Indoor DB temperature F Low pressure 55 50 55 60 65 70 75 80 85 90 95 100 65 75 85 95 105 115 Suction pressure psi G Outdoor ambient DB temperature F Indoor DB temperature F 86 80 75 70 86 80 75 70 ...

Page 38: ...75 85 95 105 115 Suction temperature F Outdoor ambient DB temperature F Indoor DB temperature F Discharge temperature 55 65 75 85 95 105 115 140 150 160 170 180 190 200 210 220 230 Discharge temperature F Outdoor ambient DB temperature F Indoor DB temperature F 86 80 75 70 86 80 75 70 ...

Page 39: ...39 Wiring diagram ΛΙΙ AQ09A5 6 MAF AQ12AA B MCF This document can not be used without Samsung s authorization 1 Indoor unit ...

Page 40: ...40 Wiring diagram cont d ΛΙΙ 2 Outdoor unit UQ09A5 6 MAF C1 4µF x 450VAC C2 45µF x 370VAC This document can not be used without Samsung s authorization ...

Page 41: ...41 UQ12AA B MCF C1 1 5µF x 450VAC C2 35µF x 450VAC This document can not be used without Samsung s authorization ...

Page 42: ...42 Schematic diagram ΛΙΙΙ This document can not be used without Samsung s authorization AQ09A5 6 MAF AQ12AA B MCF 1 Indoor unit ...

Page 43: ...43 This document can not be used without Samsung s authorization UQ12AA B MCF 2 Outdoor unit ...

Page 44: ...ELECTRONICS This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable lnternational and or domestic law ...

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