SERVICE
Manual
SPLIT TYPE AIR CONDITIONER
AS07A5(6)MAAS09A5(6)MAFAS12AA(B)MCF
Indoor Unit
US07A5(6)MAUS09A5(6)MAFUS12AA(B)MCF
Outdoor Unit
E DB98-15774A(1)
AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 47
Page 1: ...SERVICE Manual SPLIT TYPE AIR CONDITIONER AS07A5 6 MA AS09A5 6 MAF AS12AA B MCF Indoor Unit US07A5 6 MA US09A5 6 MAF US12AA B MCF Outdoor Unit E DB98 15774A 1 ...
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Page 3: ...ty for accidents or injury caused by an incorrectly installed air conditioner If you are unsure about installation contact an installation specialist When installing the built in type air conditioner keep all electrical cables such as the power cable and the connection cord in pipe ducts cable channels e t c to protect them against liquids outside impacts and so on INSTALLING THE UNIT If the power...
Page 4: ...ymptom 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 29 WIRING DIAGRAMS 1 Indoor unit 2 Outdoor unit 41 42 SCHEMATIC DIAGRAMS 1 Indoor unit 2 Outdoor unit 44 45 REFRIGERATING CYCLE BLOCK DIAGRAM 31 SET UP THE OPTION CODE 10 ΙΙ ΙΙΙΙ ΙΙΙΙΙΙ ΙΙΛ Λ Λ Λ Λ ΛΙΙΙΙ Λ ΛΙΙΙΙΙΙ PERFORMANCE CURVE 32 Λ ΛΙΙ ...
Page 5: ...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 and...
Page 6: ...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 7: ...parate the connection wire from the terminal block 3 Loosen five screws and separate the upper cabinet 4 Loosen the 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 US07A5 6 MA US09A5 6 MAF Disassemble and reassemble cont d ΙΙ ...
Page 8: ...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 9: ...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 10: ...from the base 1 Release the refrigerant 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 lo...
Page 11: ...et 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 o...
Page 12: ...o ot t t te e e e 1 Remove the battery from the remote control 2 Insert the battery into the remote control 3 Press the On Off button in the direction of the remote control for set Step 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 opt...
Page 13: ...of the option code Set up the option code cont d ΙΙΙΙ Model AS07A5MA AS07A6MA AS09A5MAF AS09A6MAF AS12AAMCF AS12ABMCF 010000 1700b7 000000 1700b7 010000 1700Fb 000000 1700Fb 010000 170340 000000 170340 Option code ...
Page 14: ...henomenon occurs when a power is on As a phenomenon that the compressor is reoperated after three minutes the indoor fan is adjusted automatically with reference to a temperature of the air The Fan speed operating is not allowed in the Auto or Dry mode The speed of the indoor fan is set to LL in the Dry mode The Fan speed is five steps are selected automatically in the Auto mode Compressor stops o...
Page 15: ...ge 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 YES YES YES YES NO NO YES N...
Page 16: ...put between L1 and 1 of the outdoor 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 I and G IC01 normal Is DC voltage between G and O IC01 DC 12V Is DC voltage between G and O 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 17: ...perly 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 ...
Page 18: ...ithin five seconds Does the STD lamp blink YES YES NO 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 opera...
Page 19: ...and 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 20: ...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 21: ...ote control lower than room temperature in the Cool mode 2 Is the Indoor PCB properly connected with the CN71 connector 2 Troubleshooting procedure After training on the Cooling starts operating in five minutes Is 9 of Micom IC04 DC 5 0 V Is the number checking 10 of IC06 ULN2003A LOW RY71 or check cable NO YES NO NO YES Normal Micom is abnormal IC 06 is abnormal Replace PCB ...
Page 22: ... 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 23: ...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 ΙΙΛ Λ 1 Indoor unit ...
Page 24: ... DB70 00114A DB63 00226A GRILLE AIR INLET GUARD AIR FILTER FILTER CLEANER ASS Y COVER TERMINAL 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 ASS Y BACK BODY HOLDER MOTOR H...
Page 25: ...24 Assembly drawing and part s list cont d ΙΙΛ Λ 2 Outdoor unit US07A5 6 MA US09A5 6 MAF 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 ...
Page 26: ...58G DB90 00264G DB94 00078A DB90 00077B DB93 00424Q DB93 00424R 2501 001226 2501 001230 2301 001379 DB33 00423A DB65 40074B DB72 00453A 44A072HW1EB 44B098HX1EF DB47 20001V DB35 00011D DB73 00070A DB60 30018A DB63 20002A DB63 10165D DB60 30028A DB96 00553B DB96 00553A DB62 00254B DB96 00615A DB96 03291A DB62 40073B DB96 00616A DB96 03290A DB96 01911A DB64 60171D DB67 00091A DB63 10443C GUARD FAN NU...
Page 27: ...ssembly drawing and part s list cont d ΙΙΛ Λ 2 0 1 9 4 2 1 9 8 3 8 6 1 2 1 4 1 3 1 7 1 6 8 5 1 5 5 6 2 2 1 0 1 1 1 8 2 1 7 2 5 2 3 8 1 3 8 2 8 1 8 1 1 8 3 8 1 2 8 8 8 9 8 1 0 8 1 4 8 7 8 4 2 4 US12AA B MCF ...
Page 28: ...MP CAPACITOR 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 PARTITION ASS Y TUBE SUCTION TUBE DISCHARGE COMPRESSOR GROMMET ISOLATOR NUT WASHER GASKET COVER TERMINAL NUT FLANGE ASS Y TUBE CAPILLARY ASS Y COND UNIT ASS Y CABI SIDE BRACKET MOTOR...
Page 29: ...OL FRONT LABEL ASS Y THERMISTOR Code No AS07A5 6 MA AS09A5 6 MAF AS12AA B MCF DB61 00160B DB93 01018B DB65 00079B DB93 00268A DB39 00147A DB61 00219B DB72 10191T DB62 02664A DB68 01975A DB32 00020A DB61 00160B DB93 01018A DB65 00079B DB93 00268A DB39 00147A DB61 00219B DB72 10191T DB62 02664A DB68 01975A DB32 00020A SNA SNA SNA SNA Remark Assembly drawing and part s list cont d ΙΙΛ Λ AS07A5 6 MA A...
Page 30: ...29 4 Assembly control out US12AA B MCF ...
Page 31: ...NNECT 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 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 OFF 4 15 WIRE ASS Y WIRE PH 2S M3 x 8 ASS Y AWH126JE TH ...
Page 32: ...er Propeller fan Compressor T1 T2 Cooling Refrigerating cycle temperature and pressure Operating Condition Cooling Standard Max over load Low temp 71 81 55 56 50 54 10 12 60 64 16 18 34 39 1 4 50 54 10 12 60 64 16 18 34 39 1 4 80 27 80 27 67 19 DB WB DB WB 67 19 67 19 57 14 95 35 115 46 67 19 75 24 75 24 57 14 STD Pressure psi 3 Way Valve Piping Temp F C Use Temp Condition F C Indoor Outdoor T1 T2...
Page 33: ...should be set at HI 55 0 4 0 5 0 6 0 7 0 8 0 9 1 0 65 75 85 95 105 115 Total power consumption x10 3 kW Outdoor intake air DB temperature F Total capacity 55 65 75 85 95 105 115 0 1 2 3 4 5 6 7 8 Total capacity x10 3 Btu h Outdoor intake air DB temperature F Indoor intake air WB temperature F Indoor intake air WB temperature F 71 67 63 59 71 67 63 55 ...
Page 34: ... 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: ... 20 30 40 50 60 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: ... 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 37: ... 190 240 290 340 390 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 38: ... 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 39: ... 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 Performance curve cont d Λ ΛΙΙ 71 67 63 59 71 67 63 59 ...
Page 40: ...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 41: ...rature 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 Performance curve cont d Λ ΛΙΙ 86 80 75 70 86 80 75 70 ...
Page 42: ...41 AS07A5 6 MA AS09A5 6 MAF AS12AA B MCF Wiring diagrams Λ ΛΙΙΙΙ 1 Indoor unit This document can not be used without Samsung s authorization ...
Page 43: ...42 Wiring diagrams cont d Λ ΛΙΙΙΙ 2 Outdoor unit US07A5 6 MA US09A5 6 MAF This document can not be used without Samsung s authorization DIAGRAM ...
Page 44: ...43 This document can not be used without Samsung s authorization US12AA B MCF DIAGRAM Motor capacitor 1 5µF x 450VAC Comp capacitor 35µF x 450VAC ...
Page 45: ...ΙΙΙΙΙ This document can not be used without Samsung s authorization AS07A5 6 MA AS09A5 6 MAF AS12AA B MCF 1 Indoor unit CR71 4uF 300V 1 2uF 450V AS07A5 6 MA AS09A5 6 MAF AS12AA B MCF 115V 60Hz 208V 230V 60Hz Model Input Voltage ...
Page 46: ...45 This document can not be used without Samsung s authorization US12AA B MCF 2 Outdoor unit ...
Page 47: ...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 ...
