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ROOM AIR CONDITIONER 

 

Service Manual 

 

AA-2123   

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for AA-2123

Page 1: ...ROOM AIR CONDITIONER Service Manual AA 2123 ...

Page 2: ... Diagram 5 4 Performance Curve 5 5 Electric Wiring Diagram 6 6 Exploded Diagram Cabinet Front And Wrapper 7 Air Handling Parts 8 Compressor parts 10 Electric Control parts 11 7 Control Specifications Control functions 12 Operation mode 12 Protection functions 13 8 Troubleshooting The air conditioner does not work at all 13 The compressor runs but the fan motor does not run 14 The fan runs but the ...

Page 3: ... DB 26 WB DB Dry bulb temperature WB Wet bulb temperature 2 Specifications 2 1 Unit Specifications Model Item AA 2123 Rated capacity Btu 24000 Air circulation high m 3 h 680 Operating current A 12 3 Power input W 2650 Power factor 97 EER Btu W 9 0 Refrigerant Filling amount g R22 1390 Package dimensions Height Width Depth 762 518 742 Net weight kg 62 Power 220V 60Hz single phase Power range v 198 ...

Page 4: ...perating temperature Off 130 μF 6 Internal protector Operating capacitor VAC 450 Rotary type compressor Compressor type PH360X3CS 3KUU1 Compressor oil Type Amount CC SUNISO 4GSD 850 Nominal power input W 2430 Blocked current A 44 2 Primary 1 10 Coil resistance Ω Ambient temperature 20 Secondary 1 6 Type Internal Overload relay OLR On Protect devices Operating temperature Off μF 55 Operating capaci...

Page 5: ...Remote controller Length 2 3m Power wire Rated value H05VV F 3G2 5mm Louver motor Type Rated voltage Single phase AC 50 Hz V Synchronism motor Coil resistance KΩ Ambient temperature 25 2 4 Other electric control parts Temperature switch WK16G 100 160 Thermal resistor temperature sensor Resistance KΩ Transformer Power relay rated voltage resistance Ω 20 Coil Contact ratings ...

Page 6: ...anual window type series 5 3 Refrigerant flow diagram 4 Performance curve Note Rated operating conditions point 25 30 35 40 45 50 Cooling Operation current A 7 8 13 14 15 9 10 11 12 Indoor inlet temp DB 27 32 21 ...

Page 7: ...Service manual window type series 6 5 Electric wiring diagram ...

Page 8: ...t Front And Wrapper NO NAME OF PART CODE NO SPECIFICATION Q TY REMARK 1 Link JUK8 088 039 1 2 Louver horizontal JUK8 078 038 10 3 Button assembly JUZ8 337 003 2 4 Filter Molded JUK6 430 058 1 5 Frame front JUZ6 153 035 1 6 Foam JUK8 600 645 1 7 Cabinet JUZ6 153 033 1 ...

Page 9: ...Service manual window type series 8 6 2 Air Handling Parts ...

Page 10: ...5 Louver Holder JUK8 038 061 1 6 Plate Scroll JUK6 212 013 1 7 Centrifugal fan MLD6 395 007 1 8 Housing blower JUK8 610 163 1 9 Bulkhead JUK8 604 023 1 10 Blower Cover JUK8 040 071 1 11 Motor Fan holder JUK8 038 059 1 12 Motor Fan YSK93 6I 1 13 Housing fan JUK6 212 012 1 14 Connecting board Left JUK8 048 180 1 15 Connecting board Right JUK8 048 181 1 16 Blade Cover JUK8 040 072 1 17 Propeller fan ...

Page 11: ...ATION Q TY REMARK 1 Base Compressor Stud Assy JUZ6 123 034 1 2 Compressor Assy PH360X3CS 3KUU1 1 3 Tray Evap JUK8 600 644 1 4 Evap Assy JUZ5 861 207 1 5 Condenser JUZ5 869 026 1 6 Capillary Tube JUZ6 453 617 1 7 Tube 1 2 suction pipe JUZ8 626 1393 1 8 Tube 3 8 discharge pipe JUZ8 626 1057 1 ...

Page 12: ...FICATION Q TY REMARK 1 Button JUZ8 337 003 2 2 Front Board JUK8 041 053 1 3 Temperature Controller WK16G 100 160 1 4 Master Switch DYU 3 03 1 5 BOX Control JUK8 030 014 1 6 Capacitor CBB65A 1 450V 55MF 5 1 7 Capacitor CBB61 450VAC 6 0μF 5 7 Cover Board JUZ6 170 113 1 8 Power Cord JUZ6 604 150 1 ...

Page 13: ...y at low speed and circulates cooled filtered air Low Fan Fan turns quietly at low speed and circulates filtered air without cooling 7 1 5 Horizontal Auto deflection Press one end with I mark on the Auto deflector switch the grille will turn automatically from side to side press one end with O mark on the Auto deflector switch Auto deflection function will be cancelled 7 1 6 In cooling operation t...

Page 14: ... 3 minutes later the turn off the compressor or power off to keep the pressure balance of the cooling system 7 3 2 The protection of the temperature sensor open or short The air conditioner is in on status failure will be displayed when the temperature sensor is open or short Indoor temp sensor is failure The on off indicator on the control panel flashes The unit runs in 24 8 Troubleshooting 8 1 T...

Page 15: ...itch is in error Replace the fan motor Clean it Replace the capacitor of fan motor Yes Yes Yes No No No Is the temperature controller set properly Check the connection of two terminals of the temperature controller Is the capacitor of compressor motor proper Is the overload protector of compressor connected Reset the temperature controller Replace the temperature controller Replace it Yes Yes Yes ...

Page 16: ...chanical type Yes Yes No No The Operation switch is defective Replace it Yes No Poor cooling performance Is the temperature set properly Change the set temperature Is the heating load too large Reduce heat source or change the air conditioner with large power The refrigerant is not enough Fill it The compressor is in error Replace it The air circulating capacity is not enough The air filter is blo...

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