SERVICE MANUAL
Contents
1. 14 x Between the 2 CPUs in the 1 Outdoor control board in trouble outdoor communication trouble 15 x O Compressor housing temperature 1 The system refrigeration system too high wants refrigerant R410A 2 Ventilation condition of the air conditioner don t accorded to standard 16 L L Outdoor memory in trouble 1 Outdoor control board in trouble 17 O O x Compressor fails to start 1 DC compressor is failure 2 Outdoor control board in trouble 18 x O O Anti freeze or overload protection 1 Normal protection 2 Outdoor control board is failure Index value Content 01 Remote controller in trouble 02 Others trouble code area 05 Set the filter clean time area See operating and installation manual 25 7 TROUBLE SHOOTING ADM 24UX4SGKA Towe SOS Possible Cause 1 Outdoor coil temperature sensor in 1 Outdoor coil temperature sensor is failure trouble 2 Outdoor control board in trouble 5 Compressor discharge temperature 1 Compressor discharge sensor is failure sensor in trouble 2 Outdoor control board in trouble IPM protection 1 Normal protection 2 Outdoor IPM control board is failure in the outdoor control board 3 The compressor is failure S TL amende 2 Outdoor control board in trouble Current overload control 1 Normal protection DEE TT PR 9 Maximum current control 1 Normal protection 2 The compressor is failure 13 Compressor exhau2. 20 C D B lt 15 CW B 7 C D B 8 C W B 2 SPECIFICATIONS ADM 24UX4SGKA 2 1 Unit specifications Model ADM 24UX4SGKA Function Cooling Heating Power supply a c 220 230V 50Hz Capacity kW 7 0 8 0 Capacity Dehumidification L h 3 0 ll Air flow m h 1100 1250 Rated current A 10 8 11 6 Electrical data MAX current A 16 6 17 2 Rated input kW 2 3 2 5 MAX input kW 3 2 3 3 EER COP 3 04 3 2 MAX operating High MPa 4 15 pressure Net size Indoor unit Lx Wx H cm 116x 25x 58 Outdoor unit Lx Wx H cm 95x 34x 84 Package size Indoor unit Lx Wx H cm 147 x 38x 77 Outdoor unit Lx Wx H cm 112x 46x 98 Net weight Indoor unit Outdoor unit kg 39 5 62 5 Gross weight Indoor unit Outdoor unit kg 51 72 Refrigerant Liquid pipe mm 9 52 piping Gas pipe mm 15 88 Connection method Flared Sound level Indoor unit dB A 47 Hi Outdoor unit dB A 58 Special Fan speed Indoor unit rpm 1080 remarks Hi Outdoor unit rpm 840 Fan speed Indoor unit 3 regulator Outdoor unit 2 Refrigerant filling kg 2 1 capacity R410a Throttle mode CAPILLARY NOTE 1 Test conditions Cooling Heating 2 External static pressure 70Pa Indoor DB27 C WB19 C Outdoor DB35 C WB24 C Indoor DB20 C WB15 C Outdoor DB7 C WB 6 C 2 SPECIFICATIONS ADM 24UX4SGKA 2 2 Major component spe
3. Recharge refrigerant after air purging with the vacuum pump Does the high pressure normal over again Air remaining at the refrigerant system Recharge refrigerant Check working lambient of the air conditioner 36 Remove the back panel see the capillary tube1 and capillary tube2 Is it defrosting The capillary tube blocked Unsolder the capillary tube ASS Y The capillary tube1 and capillary tube2 is blown by N Check heat exchanger and 4 way valve 8 CHECKING COMPONENTS ADM 24UX4SGKA 8 2 Check parts unit 1 INDOOR FAN MOTORG 230 0 MOTOR EXAMINE AND REPAIR Circuit diagram _ ere WINDING BLACK Be SCH M The main winding 2M A A The auxiliary winding ite A Capacitor 5 Hot protector 130 C o mn RED PURPLE YELLOW Winding resistance at 20 C M 70 50 A 270 MOTOR EXAMINE AND REPAIR Test in resistance TOOL Multimeter Test the resistance of the main winding The indoor fan motor is fault if the resistance of main winding O short circuit or open circuit Notes 1 Please dont hold motor by lead wires 2 lease don t plug IN OUT the motor connector while power ON lease don t drop Hurl or dump motor against hard material Malfunction may not be observed at early stage after such shock But it may be found later This type of mishandling void our warranty 2 OUTDOOR FAN MOTOR 057 MOTO
4. Z v j Partition plate Inductance 47 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA 5 Remove the fan fan motor and fan supporter 10 Take out the special nut of the fan and remove the fan 2 Take out the 3 screws of the fan motor and remove the fan motor 31 Take out the 2 screws of the fan supporter and remove the fan supporter ER Screws Fan supporter Fan Nut Fan motor Screws __ 80 Check up the other parts of the outdoor units 10 Check up the condenser ass y 21 Check up the compressor ass y 30 Check up the base ass y A7 Check up the 4 way valve capillary tube and check valve __ Condenser _ 4 way valve Compressor ol _ Check valve _ Capillary _Base 48 10 PARTS LIST ADM 24UX4SGKA 10 1 Indoor 1 Parts 49 10 PARTS LIST ADM 24UX4SGKA 2 LIST Key No Part No Description Q ty 1 RZA 0 2223 001 XX 0 Air outlet parts 1 2 RZA 0 2362 152 XX 0 Strengthen plate ass y 1 3 RZA 2 2362 155 XX 0 Connecting plate 1 4 RZA 0 4116 425 XX 0 Evaporator ass y 1 5 RZA 0 2362 151 XX 0 Strengthen plate ass y 1 6 RZA 0 2362 147 XX 0 Strengthen plate ass y 1 7 RZA 0 5319 008 XX 0 Water lever switch 1 8 RZA 0 2205 002 XX 0 Mounting plate ass y 1 9 RZA 0 2362 149 XX 0 Strengthen plate ass
5. faulty voltage is power supply of remote controller Replace the remote controller 29 7 TROUBLE SHOOTING ADM 24UX4SGKA Error code 33 Take out from Indoor temperature CN13 Measure the sensor resistance of thermistor Does the resistance o es Replace the of thermistor have indoor control board the characteristics Error code 34 Take out from on part 5 3 Indoor Coil sensor CN12 Meaure the trouble resistance of thermistor Replace the thermistor Error code 14 Measure resistance Outdoor temperature of the sensor of sensor trouble CN12 Does the resistance Yes of thermistor have Error code 1 Measure resistance Replace the the characteristic on part 5 3 SENSOR PARAMETER Outdoor coil sensor of the sensor of trouble CN15 outdoor board Error code 2 Measure resistance Compressor discharge of the sensor of CN13 sensor trouble Replace the thermistor Error code 4 Compressor over heat protection l Error code 6 Normal protection Over and under voltage control check refrigeration system and the air Is the discharge valve of conditioner Is the voltage of power compressor very hot working ambient Normal supply normal of AC 178 250V protection Check the resistance of compressor overload sensor CN4 Replace compressor protecting overlo
6. y 1 10 RZA 0 2362 150 XX 0 Strengthen plate ass y 1 11 RZA 0 2362 148 XX 0 Strengthen plate ass y 1 12 RZA 2 2316 011 XX 0 Mounting plate 4 13 RZA 0 2270 018 XX 0 Upper board parts 1 14 RZA 2 1114 023 XX 0 Side panel 1 15 RZA 0 2223 002 XX 0 Air inlet parts 1 16 RZA 0 2307 018 XX 0 Air Filter ass y 1 17 RZA 2 5304 100 XX 0 Connecting plate 2 18 RZA 0 2204 017 XX 0 Ventilator 1 19 RZA 0 2204 015 XX 0 Ventilator 2 20 RZA 0 0000 230 XX 0 Fan motor 1 21 RZA 2 1514 088 XX 0 Axes ring 1 22 RZA 2 2369 134 XX 0 Cover 1 23 RZA 2 2517 003 XX 0 Bearing pedestal 1 24 RZA 2 2219 107 XX 0 Mounting plate 1 25 RZA 0 2510 106 XX 1 Axletree 1 26 RZA 2 2219 106 XX 0 Mounting plate 1 27 RZA 2 2369 133 XXX 0 Cover 1 28 RZA 0 5301 121 XX 0 Elec joint box ass y 1 29 RZA 0 5263 046 XX 0 Transformer 1 50 10 PARTS LIST ADM 24UX4SGKA 30 RZA 2 5328 078 XX 0 Gasket 1 31 RZA 0 5171 286 XX 0 Control board 1 32 RZA 0 5306 061 XX 1 Terminal panel 1 33 RZA 2 2397 009 XX 0 Rubber lid 5 34 RZA 2 2295 001 XX 0 Clamp 2 35 RZA 2 5315 084 XX 0 Elec joint box cover 1 36 RZA 0 5304 014 XX 0 Clamp 1 37 RZA 0 5304 021 XX 0 Clamp 1 38 RZA 0 2239 023 XX 0 Capacitor 1 39 4 2379 124 02 0 Terminal panel 1 40 RZA 0 5259 091 XX 0 Temperature sensor 1 41 RZA 2 2362 154 XX 0 Connecting plate 1 42 RZA 0 5259 106 XX 0 Temperatur
7. 33 Room temperature sensor in trouble 3 Room temperature sensor is failure ee 34 Indoor coil temperature sensor in 3 Indoor coil temperature sensor is failure trouble Indoor control board in trouble eneen wire remote GONG and 3 Wire remote Se in trouble Ee ee Communication between the indoor 4 Connection cable isn t well connect and outdoor in trouble 5 Indoor control board in trouble 6 Outdoor control board in trouble Water overbrimmed the pump 1 check the pump F Indoor EEPROM in trouble 1 Indoor control board in trouble 28 7 TROUBLE SHOOTING ADM 24UX4SGKA 7 2 Service flow chart Switch on the power supply Does it receive the Check corresponding Does remote controller remote controller trouble according to screen display normally signal trouble code Check and find short circuit or open circuit After replacing the Is the fuse F01 among other Remote controller in remote controller Is it ok 3 15A 250V of indoor components such as trouble control board blown transformer or fan motor Replace the indoor Are the wires poorly Check all wires are control board SE connected correctly Check the input power supply voltage Check the total 220V Is it ok power supply Measure DC voltage No 1 and No 2 on the CN20 scoket To 5 2 is it 12V The Indoor control board is
8. LIN NN CN20 o o Oo o BLK A al al 1 WHT RED BRN BLU BI I YLW GRN TERMINAL 4 3 2 A TE ENE EE LE e TERMINAL 1 2 39 4 5O6 L 7 N eleleltelele te anale cat e po i EE Zn CONTROLLER R U i Nass ae sansi j TO OUTDOOR UNIT POWER CABLE 1 2 Outdoor TERMAL OUTDOOR CONTROL BOARD PANEL 1 2 B3 4 YLW GRN BLK N IN CND2 K K N_OUT CNO9 L_OUT CN08 DC_IN CN11 DC_IN CN10 15 CN07 1 45 CN07 2 GND CN07 3 L IN CND1 CEE L1 CN03 DC OUT HCNO5 NDUCTOR L EN arcos DC OUT CN06 PFC CONTROL BORAD W CN3 SI AC N CN14 3 V CN2 sr CN14 2 U CN1 I ACNI CN14 1 ACLIN 15 CN20 1 5 CN20 2 GND CN20 3 7 ACL OUT DC _IN CNI 1 soom SV CN8 gt DC _IN CN19 4 WAY VALVE VDC CNI 8 6 L GND CNI 8 4 VCC CNI 8 3 Vsp CN18 2 GAIKI CN12 1 FG CN18 1 GAIKI CN12 2 gt COIL CNI5 1 COIL CNI5 2 COMP CN13 1 COMP CN1 3 2 1 CN9 1 L CN9 2 I MCCN9 3 HEAT D CN4 1 H CN9 4 HEAT D CN4 2 VDC GND VCC je FG DC FAN MOTOR _ MOTOR car AC FANMOTOR 5 ELECTRICAL DATA ADM 24UX4SGKA 5 2 Electric control 1 Indoor control Fan motor driving Relay power supply H2V FUSE 3 15A 250V Transformer power supply CN11 1599899Q
9. 3 Evacuation direction MAX REFRIGERANT PIPING LENGTH Refrigerant Piping Piping size OD mm Length of connecting pipe m Models Max Length m A Gas Liquid Indoor unit Outdoor unit ADM 24UX4SGKA 20 15 88 9 52 MAX HEIGHT DIFFERENCE Indoor unit Refrigerant piping A N Max Length A Max Height difference 10m Ne gt Outdoor unit h ADDITIONAL REFRIGERANT CHARGE R 410A g Models Outdoor unit precharged Refrigerant piping Max length A up to 7m 5m 10m 20m ADM 24UX4SGKA 2100 0 175 525 Canculation Xg 35g m A 5 m 5 ELECTRICAL DATA ADM 24UX4SGKA 5 1 Electrical wiring diagrams 5 1 1 Indoor RZA 1 5253 551 XX 0 FAN MOTOR CAPACITOR WATER LEVER SWITCH BRN RED 09 d BRN 5 Q OO OO 60000 z nz FUSE OO D gt ol O CNO5 CNO4 CNO6 CN15 32 TRAN OUT TRAN IN FAN LEO 3 15A 250V ay 5 no S 522 RY06 33 P amp SES O COM On SEN N N our i
10. Ng EE AN U an UN 1206 Maintenance space 290 or nore zE 2500 or more Floor surface 3 OUTLINES AND DIMENSIO ADM 24UX4SGKA 3 2 0UTDOOR 340 410 EI 4 REFRIGERANT SYSTEM KNOWLEDGE ADM 24UX4SGKA 4 1 Refrigerant flow diagram yh AU 9 J o well CA eN Jf S d 5 N C y D P are 4 WAY VALVE fy SS f C EVAPORATOR dt COMPRESSOR d CHECK VALVE ASS Y S VN N S MMM CAPILLARY CONDENSER ky Remark COOLING CYCLE 4 REFRIGERANT SYSTEM KNOWLEDGE ADM 24UX4SGKA 4 2 Evacuation procedures EVACUATION PROCEDURES Connect the refrigerant pipes both the liquid and gas _ pipes between the indoor and the outdoor units 1 Remove the service port cap of the stop valve on the side of the outdoor unit gas pipe The stop valve will not work in its initial st
11. OO RZA 4 6174 427 XX 0 TE o 8 F H d Coil sensor Room sensor 2 eene From transformer ACH2V 220V input 11 pller 5 ELECTRICAL DATA ADM 24UX4SGKA 2 Outdoor control Fan motor driving 4 way valve driving FUSE 3 15A 250V WOU um AI Communicatio signal ac 24v To termina board To PFC contro board FUSE 3 15A di 250V ronic expansion e control pressor overload il sensor DC DC R2A 4 5174 367 X 4 2007 OLeLB To compressor terminal 5 ELECTRICAL DATA ADM 24UX4SGKA 5 3 SENSOR PARAMETER 5 3 1 INDOOR SENSOR PARAMETER THE PARAMETER OF THE COIL SENSOR AND INDOOR AMBIENT SENSOR O Ro 15K 2 B 3450 2 TCO RKO vw TCO RKO V v TCO RKO vw TO R KO vw 30 67 94 0 3235 8 10 55 1 5410 46 2 471 3 2771 84 0 7666 4 2988 29 64 25 0 3408 9 10 1 1 5878 47 2 388 3 3155 85 0 7455 4 3155 28 60 79 0 3588 10 9 684 1 6338 48 2 309 3 3528 86 0 725 4 3318 27 57 53 0 3776 11 9 284 1 6805 49 2 233 3 3896 87 0 7053 4 3476 26 54 48 0 3971 12 8 903 1 7276 50 2 159 3 4262 88 0 6861 4 3631 25 51 6 0 4174 13 8 54 1 7749 51 2 0
12. heat exchanger temperature drops below the Temperature for Overload Protection Lift 47 C the overload control interruption is left 4 3 8 Overcurrent protection in heating Same as cooling 4 3 9 The compressor discharge temperature too high protection Same with the cooling run mode 4 3 10 Defrost 4 3 10 1 Conditions for the judgment for frosting Condition 1 The compressor has been kept operating for a certain time 50 minutes Condition 2 When T outdoor ambient T outdoor condenser S 3 C and maintains for 5 minutes When T outdoor ambient Toutdoor ambient T outdoor condenser gt 8 and maintains for 5 minutes If both conditions set out above are met at the same time then it is judged that frosting has taken place 4 3 10 2 Defrosting operation The outdoor fan stops The compressor s operating frequency drops the 4 way valve is closed and then goes up at a certain frequency for operation 4 3 10 3 Conditions for the Completion of Defrosting The defrosting run lasts for more than a certain time 12 minutes The outdoor coils temperature gt If either of the above conditions is met it judges that frosts have been cleared off 4 3 10 4 Operations to end defrosting The compressor frequency goes down at a rate and the compressor get interrupted 50 s later the 4 way valve opens up and 10 s more both the compressor and the outdoor fan restarts in normal operation 4 4 Dehumidifying mode The dehumidifying
13. mode is illustrated as follows 21 6 CONTROL MODEL ADM 24UX4SGKA Indo Ambient je M S I u Ul 16 C EE E E Time Dehumidifying area Operation at the frequency in the range 30 80 Hz according to At Tindoor ambient T set At C f Hz 0 30 0 5 30 1 40 1 5 50 22 60 Efficient 80 Dehumidifying area Il The compressor stops for 5 minutes and operates for 5 minutes at the lowest frequency Dehumidifying area Ill The compressor stops 4 5 Air Blowing mode The outdoor unit does not work while the indoor fan runs with the fan speed selectable at the auto low medium and high speeds When being auto the fan speed is determined in the cooling mode with the temperature setting of 24 C in default The high medium and low fan speeds are same with that in the cooling mode 5 Compressor operating state indication When the compressor is in operation The 3 LED indicator lights on the control panel of the outdoor unit indicates the causes of the restriction on the compressor s current operating frequency Symbols for indicator light x ON O flashing x OFF LED LED2 LEDS The cause of the restriction on the compressor s current operating frequency 1 O O O Normal frequency ascent and descent with no restriction on the frequency 22 6 CONTROL MODEL ADM 24UX4SGKA 2 x x Frequency
14. will display 00 is index press A and v button to set the value the index value is displayed at the timer area Each index value shows corresponding content as follows Index value Content 01 Remote controller in trouble 02 Others trouble code area 05 Set the filter clean time area See operating and installation manual 3 Control function 6 CONTROL MODEL ADM 24UX4SGKA 3 1 Emergency switch 3 1 1 Press the emergency switch once to turn on the machine and press it again to turn off the machine in the automatic mode the indoor control temperature is set at 24 C with the indoor fan speed setting is automatic 3 1 2 When the machine is turned on in the OFF condition press and hold the emergency switch for 10 seconds the controller starts in the trial operation regardless of indoor temperature the trial operation is the forced cooling with the indoor fan speed being set at high speeds the air conditioner don t according to remote controller communication now end the function condition is stop power supply 3 2 Operator machine communication The indoor controller and remote controller has a thermal sensor to detect room temperatures respectively The indoor temperature is detected by remote controller in normal state the control function will be automatically switched over to the thermal sensor on the indoor unit when the remote controller sensor has malfunction or the com
15. 0 6396 10 9 761 1 7139 38 3 317 3 0273 66 1 324 3 9697 17 33 06 0 6689 11 9 363 1 7627 39 3 201 3 0713 67 1 284 3 9941 16 31 49 0 6982 12 8 984 1 8115 40 3 09 3 1152 68 1 246 4 0186 15 30 0 7275 13 8 622 1 8604 41 2 984 3 1543 69 1 209 4 043 14 28 59 0 7568 14 8 276 1 9043 42 2 881 3 1934 70 1 174 4 0625 13 27 26 0 7861 15 7 946 1 9531 43 2 783 3 2324 71 1 133 4 0918 12 25 99 0 8203 16 7 632 2 002 44 2 689 3 2715 72 1 1 4 1113 11 24 79 0 8545 17 7 331 2 0508 45 2 598 3 3105 73 1 068 4 1357 10 23 65 0 8887 18 7 044 2 0996 46 2 511 3 3496 74 1 037 4 1553 9 22 57 0 9229 19 6 769 2 1484 47 2 427 3 3887 75 1 008 4 1748 8 21 55 0 957 20 6 507 2 1973 48 2 347 3 4229 76 0 979 4 1943 7 20 57 0 9912 21 6 256 2 2461 49 2 269 3 4619 77 0 951 4 2139 6 19 65 1 0303 22 6 017 2 2949 50 2 195 3 4961 78 0 924 4 2334 5 18 77 1 0693 23 5 788 2 3438 51 2 126 3 5303 79 0 898 4 2529 4 17 94 1 1084 24 5 568 2 3926 52 2 058 3 5645 80 0 873 4 2676 3 17 15 1 1475 25 5 359 2 4365 53 1 992 3 5938 2 16 4 1 1865 26 5 158 2 4854 54 1 928 3 6279 1 15 68 1 2256 27 4 966 2 5342 55 1 867 3 6621 0 15 1 2695 28 4 782 2 5781 56 1 808 3 6914 1 14 35 1 3135 29 4 606 2 627 57 1 751 3 7207 2 13 74 1 3525 30 4 437 2 6758 58 1 696 3 75 3 13 15 1 3965 31 4 276 2 7197 59 1 644 3 7793 4 12 59 1 4404 32 4 121 2 7637 60 1 593 3 8086 5 12 06 1 4844 33 3 972 2 8125 6
16. 1 1 544 3 8379 6 11 56 1 5283 34 3 83 2 8564 62 1 497 3 8672 7 11 07 1 5771 35 3 694 2 9004 63 1 451 3 8916 14 5 ELECTRICAL DATA ADM 24UX4SGKA 2 THE PARAMETER OF OUTDOOR COMPRESSOR TEMPERATURE SENSOR Ro 187 25K 6 3 TO RO Kan VV TCO RI KAD VV TCO RO Kan VV TO ROKAG VV 20 526 61 0 0635 16 92 358 0 3418 52 23 295 1 1279 88 6 0731 2 6416 19 497 84 0 0684 17 88 612 0 3564 53 22 457 1 1621 89 5 8413 2 6904 18 470 87 0 0732 18 85 042 0 3711 54 21 65 1 1963 90 5 6177 2 7393 17 445 57 0 0732 19 81 637 0 3857 55 20 873 1 2305 91 5 4018 2 7881 16 421 83 0 0781 20 78 388 0 4004 56 20 123 1 2646 92 5 1939 2 8369 15 399 54 0 083 21 75 287 0 415 57 19 399 1 2988 93 4 9932 2 8809 14 378 61 0 0879 22 72 326 0 4297 58 18 702 1 333 94 4 7997 2 9297 13 358 96 0 0928 23 69 498 0 4443 59 18 029 1 3672 95 4 6131 2 9785 12 340 48 0 0977 24 66 795 0 4639 60 17 38 1 4063 96 4 4331 3 0273 11 323 11 0 1025 25 64 21 0 4785 61 16 754 1 4453 97 4 2596 3 0762 10 306 77 0 1074 26 61 739 0 498 62 16 15 1 4795 98
17. 4 0924 3 1201 9 291 4 0 1123 27 59 373 0 5127 63 15 568 1 5186 99 3 9312 3 1689 8 276 92 0 1221 28 57 11 0 5322 64 15 005 1 5576 100 3 7759 3 2129 7 263 29 0 127 29 54 942 0 5518 65 14 463 1 5967 101 3 6262 3 2617 6 250 44 0 1318 30 52 866 0 5713 66 13 939 1 6406 102 3 4819 3 3057 5 238 33 0 1367 31 50 876 0 5908 67 13 433 1 6797 103 3 3429 3 3545 4 226 91 0 1465 32 48 939 0 6104 68 12 946 1 7236 104 3 209 3 3984 3 216 13 0 1514 33 47 14 0 6299 69 12 475 1 7627 105 3 0801 3 4424 2 205 95 0 1611 34 45 386 0 6494 70 12 02 1 8066 106 2 9559 3 4863 1 196 34 0 166 35 43 703 0 6738 71 11 581 1 8506 107 2 8363 3 5303 0 187 25 0 1758 36 42 087 0 6934 72 11 158 1 8945 108 2 7211 3 5693 1 178 66 0 1855 37 40 536 0 7178 73 10 749 1 9385 109 2 6103 3 6133 2 170 53 0 1904 38 39 047 0 7422 74 10 354 1 9824 110 2 5036 3 6523 3 162 84 0 2002 39 37 616 0 7666 75 9 9733 2 0264 111 2 4009 3 6963 4 155 56 0 21 40 36 24 0 791 76 9 6055 2 0703 112 2 3021 3 7354 5 148 66 0 2197 41 34 919 0 8154 77 9 2505 2 1191 113 2 207 3 7744 6 142 12 0 2295 42 33 648 0 8398 78 8 9078 2 1631 114 2 1155 3 8135 7 135 93 0 2393 43 32 426 0 8691 79 8 577 2 2119 115 2 0276 3 8525 8 130 03 0 249 44 31 25 0 8936 80 8 2577 2 2559 116 1 943 3 8867 9 124 45 0 2588 45 30 119 0 9229 81 7 9495 2 3047 117 1 8616 3 9258 10 119 14 0 2686 46 29 03 0 9473 82 7 652 2 3535 118 1 7834 3 96 11 114 1 0 2832 47 27 982 0 9766 83 7 364
18. 89 3 4615 89 0 6676 4 3781 24 48 9 0 4384 14 8 194 1 8226 52 2 021 3 4965 90 0 6496 4 3929 23 46 35 0 4603 15 7 864 1 8704 53 1 956 3 5306 91 0 6323 4 4071 22 43 96 0 4829 16 7 549 1 9185 54 1 893 3 5644 92 0 6156 4 4209 21 41 7 0 5065 17 7 249 1 9667 55 1 832 3 5977 93 0 5993 4 4345 20 39 58 0 5307 18 6 962 2 0151 56 1 774 3 6299 94 0 5836 4 4477 19 37 58 0 5558 19 6 688 2 0636 57 1 718 3 6616 95 0 5683 4 4606 18 35 69 0 5818 20 6 427 2 1120 58 1 664 3 6926 96 0 5535 4 4732 17 33 91 0 6087 21 6 178 2 1603 59 1 612 3 7231 97 0 5391 4 4855 16 32 23 0 6363 22 5 939 2 2089 60 1 562 3 7528 98 0 5251 4 4975 15 30 65 0 6648 23 5 712 2 2570 61 1 513 3 7824 99 0 5115 4 5093 14 29 15 0 6942 24 5 494 2 3053 62 1 467 3 8106 100 0 4983 4 5207 13 27 74 0 7244 25 5 286 2 3533 63 1 422 3 8386 101 0 4855 4 5319 12 26 4 0 7556 26 5 086 2 4014 64 1 379 3 8658 102 0 4731 4 5427 11 25 14 0 7875 27 4 896 2 4489 65 1 337 3 8927 103 0 461 4 5534 10 23 95 0 8202 28 4 714 2 4963 66 1 297 3 9186 104 0 4492 4 5638 9 22 82 0 8539 29 4 539 2 5436 67 1 258 3 9443 105 0 4378 4 5739 8 21 75 0 8885 30 4 372 2 5904 68 1 22 3 9696 106 0 4268 4 5838 7 20 74 0 9237 31 4 212 2 6369 69 1 184 3
19. 9 2 4023 119 1 7082 3 9941 12 109 31 0 293 48 26 973 1 0059 84 7 0878 2 4463 120 1 6359 4 0283 13 104 75 0 3027 49 26 001 1 0352 85 6 8204 2 4951 14 100 42 0 3174 50 25 065 1 0693 86 6 5623 2 5439 15 96 289 0 332 51 24 163 1 0986 87 6 3133 2 5928 15 6 CONTROL MODEL ADM 24UX4SGKA Control mode 1 Major general technical parameters 1 Conditionings for operation Ambient temperatures 15 45 C relative humidity 45 85 2 Remote receiver distance 50 m 3 Temperature control accuracy 1 C 4 Time error Less than 1 5 The power supply for the air conditioner is a c 220V 50Hz with its fluctuation in the range of 160 253 V 2 Remote controller 2 1 The picture of the remote controller is as follows Hisense FAN um Eina coo me H OC HEAT LI MIT DRY 4 m AUTO ven H RUN STOP TEMP MODE FAN SPEED ower TIMER RESET VENT LOUVER CHECK TIME CAUTION The alarm code ASNML can not be reset for protection af the unt when indicated please contact to your distributor o dealer of SE DO nich Me RESET switchiexcept service persons y raad the Operation Manual in the unit before Displaying Scheme 1 Control functions of the remote controller See operating and installation manual 2 Display of error codes When the system stops running press the CHECK and T L buttons SERVICE and 00
20. 9 RZA 4 2239 010 XX 0 Capacitor 1 20 RZA 2 5328 063 XX 1 Gasket 1 21 RZA 0 5171 285 XX 0 Control block Ass y 1 22 RZA 0 5171 213 XX 0 Control block Ass y 1 23 RZA 0 5331 004 XX 0 Rectifier Bridge 1 24 RZA 0 5301 034 02 3 Electrical Box Ass y 1 95 RZA 0 4206 944 XX 0 Pipe Ass y 1 26 RZA 0 4206 945 XX 0 Pipe Ass y 1 27 RZA 0 5259 106 XX 0 Temperature Sensor 1 28 RZA 0 4206 947 XX 0 Capillary Tube Ass y 1 29 RZA 0 4501 087 XX 0 3 8 Valve Ass y 1 53 10 PARTS LIST ADM 24UX4SGKA 30 RZA 0 4525 251 XX 0 4 Way Valve Ass y 1 31 RZA 0 4501 088 XX 0 5 8 Valve Ass y 1 32 RZA 0 5259 090 XX 0 Temperature Sensor 1 33 RZA 0 4526 172 XX 0 Compressor Ass y 1 34 RZA 2 2476 180 XX 0 Sound Insulation Pad 1 35 RZA 2 2476 183 XX 0 Sound Insulation Pad 1 36 RZA 2 2476 181 XX 0 Sound Insulation Pad 1 37 RZA 2 2476 182 XX 0 Sound Insulation Pad 1 38 RZA 0 2202 075 XX 0 Partition Support Plate 1 39 RZA 0 0000 057 XX 1 Fan Motor 1 40 RZA 0 2202 184 XX 0 Base Ass y 1 41 RZA 2 2228 002 XX 0 Drainage Elbow 1 42 852 2 2350 111 00 2 Rubber Lid 2 43 RZA 0 1112 007 XX 0 Right Panel Ass y 1 54
21. 9939 107 0 416 4 5934 6 19 79 0 9596 32 4 059 2 6830 70 1 149 4 0178 108 0 4055 4 6029 5 18 88 0 9966 33 3 912 2 7288 71 1 116 4 0406 109 0 3953 4 6121 4 18 02 1 0343 34 3 772 2 7738 72 1 083 4 0636 110 0 3854 4 6211 3 172 1 0731 35 3 637 2 8188 73 1 051 4 0862 2 16 43 1 1122 36 3 508 2 8631 7a 1 021 4 1077 5 15 7 1 1520 37 3 384 2 9070 75 0 9914 4 1290 0 15 1 1929 38 3 265 2 9504 76 0 963 4 1497 1 14 34 1 2342 39 3 151 2 9932 77 0 9354 4 1701 2 13 71 1 2765 40 3 041 3 0358 78 0 9088 4 1898 3 13 11 1 3195 41 2 936 3 0775 79 0 8831 4 2091 4 12 55 1 3623 42 2 835 3 1188 80 0 8582 4 2280 5 12 01 1 4063 43 2 739 3 1590 81 0 8342 4 2463 6 11 5 1 4506 44 2 646 3 1990 82 0 8109 4 2643 7 11 01 1 4959 45 2 556 3 2387 83 0 7884 4 2818 13 5 ELECTRICAL DATA ADM 24UX4SGKA 5 3 2 OUTDOOR SENSOR PARAMETER 1 THE PARAMETER OF THE COIL SENSOR AND OUTDOOR AMBIENT SENSOR B 3450 2 TTT Ro 15K 2 TCO RO Kan VV TCO RO Kan VV TO ROKAG VV TCO R KQ vv 20 38 32 0 5859 8 10 62 1 6211 36 3 563 2 9443 64 1 407 3 9209 19 36 47 0 6152 9 10 18 1 6699 37 3 437 2 9883 65 1 365 3 9453 18 34 72
22. R EXAMINE AND REPAIR BLACK BROWN av WINDING M The main winding M M A The auxiliary winding WHITE EEE ss YELLOW Capacitor Hot protector 130 C BLUE RED Winding resistance at 20 C M 690 A 97 50 MOTOR EXAMINE AND REPAIR Test in resistance TOOL Multimeter Test the resistance of the main winding The indoor fan motor is fault if the resistance of main winding O short circuit or open circuit Notes 1 Please don t hold motor by lead wires 3 lease don t plug IN OUT the motor connector while power ON lease don t drop Hurt or dump motor against hard material Malfunction may not be 37 8 CHECKING COMPONENTS ADM 24UX4SGKA observed at early stage after such shock But it may be found later This type of mishandling void our warranty 3 COMPRESSOR 040 1 Coil Resistance 0 880 at 20 C 2 COMPRESSOR EXAMINE AND REPAIR OVERLOAD PROTECTION er INVERTER POWER Test in resistance TOOL Multimeter Test the resistance of the winding The compressor is fault if the resistance of winding O short circuit or open circuit Familiar trouble 1 Compressor motor is locked 2 Discharge pressure value is ebb 3 The resistance of Compressor motor winding is abnormality Notes 1 Don t put a compressor on its side or turn over 2 Please assembly the compressor in your air conditioner rapidly after removing the
23. Scr K crews Screws Screws a a N AN IN 3 AA a 8 x J 10 remove the top panel 44 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA 9 2 Outdoor OPERATION PROCEDURE AND PHOTOS 1 Remove the top panel Screws 1 Take out the 8 screws of the top panel and remove the top panel 2 Take out the 3 screws and remove the right front pan Right front panel Screws 2 Remove the side cover 10 Take out the 2 screws of the side cover and remove the side cover Side cover 45 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA 3 Remove the left front panel 10 Take out the 10 screws of the left front panel 20 Remove the left front panel Left front panel 4 Remove the side panel and back guard 10 Take out the 8 screws of the side panel a Remove the side panel 3 Remove the back guard Side panel Back guard 46 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA HI Remove the electrical control box 10 Take out the 3 screws of the electrical box 2 Disconnect all the wires and plugs in the electrical control box and the other parts 3 Remove the electrical control box Screws Wires and pligs Electrical box 6 Remove the partition plate 1 Take out the 4 screws of the partition plate 2 Take out the 4 screws of inductance 3 Remove the inductance and partition plate Screws NN N N
24. ad protection according to sensor Outdoor control board is sensor parameter 5 3 Is it ok fault replace it Outdoor control board faulty replace it 30 7 TROUBLE SHOOTING ADM 24UX4SGKA Error code 8 Over current protection Switch off and start up again is it OK Replace the Yes outdoor control board is it OK No Check the refrigeration system Error code 5 IPM trouble Yes Normal protection Outdoor control board fault Error code 9 Max current protection Is the operating current Normal protection beyond peak 20A Replace the Outdoor control outdoor control board fault board is it OK No Check the compressor Start up the air conditioner in 10 minutes le it work normally yes Normal protection Is the IPM heatsink very heat yes De n easure the terminal voltage on IPM after restart up the air yes conditioner U V U W V W Is the voltage value ok no IPM control parts faulty and replace outdoor control board The compressor in trouble and replace it 31 7 TROUBLE SHOOTING ADM 24UX4SGKA Error code 36 Communication trouble Connect the indoor and Are all the lead wires connected between indoor and outdoor unit ng EK unit again according to the wiring diagram yes Y Is there power output between indoor 1 an
25. ate fresh out of the factory totally closed with cap on J Connect the gage manifold valve and the vacuum pump to the service port of the stop valve on the gas pipe side of the outdoor unit Run the vacuum pump for more than 15 minutes and at this time confirm that the pressure gage indicates 0 1 Mpa 76 cmHg f Check the vacuum with the gage manifold valve then close the gage manifold valve and stop the vacuum pump J X Leave it as is for one or two minutes Make sure the pointer of the gage manifold valve remains in the same position Stop valve Liquid pipe Close _ Hexagonal wrench ral Gas pipe Open i e DE o Gage manifold valve X a Caps FP Connection Stop valve Hexagonal Stop valve pipe Service port wrench Vacuum pump Remove the gage manifold valve quickly from the service port of the stopvalve After refrigerant pipes are connected and evacuated fully open all stop valves on gas and liquid pipe sides Operating without fully opening lowers the performance and causes trouble T Pipe length Pipe length 5m maximum exceeding 5m No gas charge is Charge the prescribed needed _ amount of gas Tighten the cap to the service port to obtain the initial status x Retighten the cap T J Leak test 4 REFRIGERANT SYSTEM KNOWLEDGE ADM 24UX4SGKA 4
26. cifications 2 2 1 INDOOR FAN MOTOR ELECTRIC PERFORMANCE PARAMETER Rated load output Rated speed r min 1080 930 850 40 Ambient temperature C 5 C 43 C 2 2 2 OUTDOOR FAN MOTOR ELECTRIC PARAMETER Motor model YDK70 6H 3 Rated power source 220 230V Phases Poles 1 6 Rated load output Ambient temperature C 10 C 55 C PARAMETER A Rolling piston type rotary Winding resistance 0 880 D 20 C Number of cylinder Oil charge cm 670 2 2 3 COMPRESSOR ELECTRIC PERFORMANCE Compressor model Compressor type Rated power Current Motor Oil type 2 SPECIFICATIONS ADM 24UX4SGKA 2 3 Other component specifications 2 3 1 INDUCTANCE 069 ELECTRIC PERFORMANCE PARAMETER Inductance model R2550HS Rated power source 220V 50Hz Rated current A Rated inductance mH Ambient temperature C 20 C 70 C 2 3 2 FILTER 017 ELECTRIC PERFORMANCE PARAMETER Filter model ESFQ 20T047 03 Rated current A Rated power source AC 220V 50Hz Filter frequency range 150K 30MHz Temperature range C 25 Q 85 C 3 OUTLINES AND DIMENSIO ADM 24UX4SGKA 3 1 INDOOR 1160 990 Se 2 D m J D e g NI P 5 E z 1128 641 1266 5
27. ction sensor is faulty replace it 33 7 TROUBLE SHOOTING ADM 24UX4SGKA Error code 18 Compressor operating trouble restart the air conditioner Is it ok Occur by chance Measure the voltage on the IPM U V W terminal Yes R i The compressor is fault respectively and observe the voltage rangels it right Outdoor control board is failure Error code35 Between wire remote controller and indoor unit communication trouble Check all connection wire Replace connection wire between wire remote controller and indoor unit Is it ok yes Y The wire remote controller in trouble Replace the wire remote controller is it ok yes no Indoor control board in trouble 34 8 CHECKING COMPONENTS ADM 24UX4SGKA 8 1 Check refrigerant system TEST SYSTEM FLOW Conditions Compressor is running The air condition should be installed in good ventilation Tool Pressure Gauge Technique see feel test SEE Tube defrost FEEL The difference tube temperature TEST Test pressure cooling run heating run Qutdoor unit Out door unit Test system flow 35 8 CHECKING COMPONENTS ADM 24UX4SGKA Cooling mode Test system pressure Does the low pressure normal at The pressure on the high side service part The pressure on the l
28. d 2 of teminal block i Indoor control AC220V board in trouble nd S N of indoor terminal bloc DC24V T yes Does the power indicator LED of outdoor control board PCB light up Outdoor control board fault yes replace it no Is the 3 15A fuse FO1 of outdoor PCB blown yes Replace fuse no Y Is unsafety voltage part of outdoor yes gt control board short circuit such as fan no motor 4 way valve winding yes Is the 3 15A fuse F02 of outdoor PCB blown Normal protection and replace fuse No Outdoor control board trouble and replace it 32 7 TROUBLE SHOOTING ADM 24UX4SGKA Check operation Error code 38 Indoor EPROM trouble Indoor control board fault replace it SECH Outdoor control board Data failure of outdoor EPROM fault replace it Error code 15 Compressor housing temperature protection Switch off the power the air conditioner is restarted after 10 yes Normal protection minutes ls it ok no y 1 Check the air conditioner working condition 2 Check the heat exchanger ls it Is the air conditioner work in good condition ng stopped by dust 3 Is the refrigeration system want refrigerant To 8 1 yes Switch off the power replace the outdoor control board and then start yes SES SH el ek faulty up the air conditioner s it ok replacei The compressor overheat prote
29. descent or restriction on frequency ascent caused by overcurrent Frequency descent or restriction on frequency ascent caused by anti freeze in cooling or overload control in heating Frequency descent or restriction on frequency ascent caused by too high compressor discharge temperature Restriction on maximum operation operating frequency caused by too low voltage on the supply circuit Operating at a fixed frequency when in a capacity measurement or forced operation at a fixed frequency Outdoor overload protection or restriction frequency rises 23 7 TROUBLE SHOOTING ADM 24UX4SGKA 7 1 Trouble alarm Trouble List Indication on the outdoor unit When the compressor is interrupted the outdoor LEDs are used to indicate the troubles listed below Symbols for indicator lights A ON O flashing x OFF LED1 LED2 LED3 Troubles Possible Cause 1 x x x Normal 2 x x Outdoor coil sensor in trouble 1 Outdoor coil sensor is failure 3 x x Compressor temperature sensor 1 Compressor overheat protection short circuited open circuited or sensor is failure the corresponding test circuit in 2 Outdoor control board in trouble trouble 4 x Outdoor heat exchanger 1 Outdoor heat exchanger temperature sensor temperature sensor is failure short circuited open circuited or 2 Outdoor control board in trouble the corresponding test c
30. e sensor 1 43 RZA 0 2287 003 XX 0 Gullet 1 44 RZA 0 2362 153 XX 0 Strengthen plate ass y 1 45 RZA 2 1109 061 XX 0 Upper board 1 46 RZA 2 1109 060 XX 0 Upper board 1 47 4 5250 325 28 A Power cable 1 48 RZA 0 1506 011 XX 0 Wiring remote controller 1 ass y 10 2 outdoor 1 Parts 51 ADM 24UX4SGKA 10 PARTS LIST 52 10 PARTS LIST ADM 24UX4SGKA 2 Llist Key No Part No Description Q ty 1 RZA 0 1321 003 XX 0 Fan Guard Ass y 1 2 RZA 2 1112 004 XX 0 Front Panel 1 3 RZA 2 2502 001 XX 0 Outside Fan 1 4 RZA 0 2309 012 XX 0 Top Cover Ass y 1 5 RZA 0 2506 003 XX 1 Fan Supporter Ass y 1 6 RZA 0 2362 068 XX 0 Fixture Brace Ass y 1 7 RZA 0 4102 562 XX 0 Condenser Ass y 1 8 RZA 0 5259 091 XX 0 Temperature Sensor 1 9 RZA 2 2431 005 XX 0 Rubber Block 1 10 RZA 0 1111 001 XX 2 Back Guard 1 11 RZA 0 1104 004 XX 0 Right Side Panel Ass y 1 12 RZA 0 5302 007 XX 0 Side Cover Ass y 1 13 RZA 0 2239 023 XX 0 Fan Capacitor 1 14 RZA 0 5220 017 XX 0 Filter EMC 1 15 RZA 0 2216 002 XX 0 Fuse Bracket 1 16 RZA 0 5306 005 XX 0 Terminal Board 1 17 RZA 2 5304 003 XX 1 Clamp 1 18 RZA 2 5301 002 XX 0 Capacitory Clip 1 1
31. essor stops 50 s later the 4 way valve is interrupted and 3 minutes more the compressor turns on 4 1 3 There is a temperature compensation during the auto run which is same as cooling and heating 4 2 Cooling run mode 4 2 1 Temperature compensation Principle for compensation The compensation is available only if the proper sensor is used and it is not available when it is subject to the sensor on the remote controller 4 2 2 Outdoor Fan The outdoor fan s speeds are divided into three levels which can be changed over according to outdoor ambient temperatures When operating at a fixed frequency the outdoor fan is forced to operate at the high speed 4 2 3 Indoor fan When the fan speed is set at the high medium and low fan speeds the fan runs at a 6 CONTROL MODEL ADM 24UX4SGKA preset speed When the fan speed setting is automatic the fan speed is set based on the difference in room temperatures Troom set Indoor fan speed TroomS Tset OR Troom Tease Low 2C Troom Tset lt 4 C Medium Troom Tset 4 C High 4 2 4 Prevention against condensation and insufficient heat exchange at the low indoor fan speed When the indoor fan speed is set at the low fan speed the compressor s power is restricted as in the low temperature cooling 4 2 5 4 way valve State It is interrupted in cooling 4 2 6 Anti freeze protection 4 2 6 1 Condition for anti freeze interruption When the indo
32. icator light on the outdoor unit The compressor stops Conditions for overcurrent protection left When the current drops below the Value of the Current for the Cooling Current Protection Left 13A the overcurrent protection is left 4 3 Heating run mode 4 3 1 Temperature compensation Principle for compensation The compensation is available only if the proper sensor is used and it is not available when it is subject to the sensor on the remote controller or 19 6 CONTROL MODEL ADM 24UX4SGKA line controller 4 3 2 Indoor fan The fan speed is set at the high medium or low fan speed it operates at a preset speed in the cold air prevention it is forced to run at the ultra low flowrate or stop When the fan speed is set in the auto run the fan speed setting is made according to the room temperature differences except for the cold air prevention Troom I set Indoor fan speed TroomS Tset OR Troom Tse lt 2 C Low 2 C lt Troom Tset lt 4 C Medium Troom Tset 4 C High 4 3 3 Cold air prevention In the heating run to prevent the indoor fan from blowing cold air the indoor fan speed is controlled as illustrated below Indoor fan speed Temperature drop Setting fan speed Temperature rise Soft fan speed Fan motor stop ndoor coil 10 28 35 temperature o C When the indoor coils temperature rises above 28 C the indoor fan runs at the ultra low speed when ab
33. ircuit in trouble 5 x Outdoor ambient temperature 1 Outdoor ambient temperature sensor short circuited open sensor is failure circuited or the corresponding test 2 Outdoor control board in trouble circuit in trouble 7 x x O Signal communication abnormal 1 Connection cable isnt well indoor outdoor connect 2 Indoor control board in trouble 3 Outdoor control board in trouble 8 x O x Power module IPM protection 1 Normal protection 2 Outdoor IPM control board is failure in the outdoor control board 3 The compressor is failure 9 O Maximum current control 1 Normal protection 2 The compressor is failure 10 O x Current overload control 1 Normal protection 2 The outdoor control board in trouble 11 x O Compressor discharge 1 Heat exchanger and indoor filter temperature too high were dirty 2 The refrigeration system was stopt 3 Compressor discharge temperature sensor is failure 12 O Over and under voltage control 1 Voltage of power supply is abnormal 2 Outdoor control board in trouble 24 7 TROUBLE SHOOTING ADM 24UX4SGKA Display of error codes When the system stops running press the CHECK and ft buttons SERVICE and 00 will display 00 is index press and V button to set the value the index value is displayed at the timer area Each index value shows corresponding content as follows
34. munication malfunction between the remote controller and indoor controller 3 3 Timer function 3 3 1 Timer on When set to start in a time by the remote controller the air conditioner starts in the timer on condition When the set time is up the air conditioner will turn on 3 3 2 Timer off When set to stop in a set time by the remote controller the air conditioner will start in the timer off condition When the set time is up the air conditioner will turn off 3 4 The power interruption restoration function This model can achieve the power interruption restoration function by the selection of the EEPROM data The power interruption restoration is applied only for the basic functions turning ON and OFF setting temperatures modes fan speeds and not for other special functions such as sleep timing and power saving run 3 5 The forced cooling and fixed frequency function When the system stops running press the RESET and CHECK buttons for 5 seconds the air conditioner will work at fixed frequency mode When the system stops running press the RUN STOP and T J buttons for 5 seconds the air conditioner will work at forced cooling mode 3 6 Water overflow alarm The duct type air conditioner has a water overflow switch the water overflow switch is off in normal state When water level is go beyond the limit the water overflow switch is on the outdoor is stop after the water overflow switch is on for 30 seconds and remote c
35. ontroller will display error code 4 Working mode 4 1 Automatic run mode If there is no man machine communication function after the unit is started the indoor fan operates at the ultra low flowrate for 20 seconds before selecting a run mode The room temperatures are detected during this period for the selection of a run mode In the first operation 6 CONTROL MODEL ADM 24UX4SGKA a When Toom Tset 397 it starts in the cooling mode b When 3 CS Toom Tset 3 Q it starts in the ventilation run mode c When Toom Tset 3 C it starts in the heating mode After the first run in the cooling or heating mode the mode will be changed as the following a When Troom Tset 3 C it will be changed to the cooling mode b When Toom Tse 3 C it will be changed to the heating mode c When these conditions are not met it will remain in the previous run mode When the temperature setting is changed re judgment will be made for the run mode according to the descriptions mentioned above when the compressor is halted for 10 minutes the re judgment will be made for the run mode 4 1 1 Switch between the cooling and heating mode Tambient N Cooling gt _ Heating v Cooling 4 1 2 Cooling heating turnover operation Cooling heating the compressor stops 50 s later the 4 way valve is activated and 3 minutes more the compressor turns on Heating cooling the compr
36. or heat exchanger temperature is below the Anti freeze Interruption Temperatur 0 C and maintains for 10 s the system is interrupted for the anti freeze Action of anti freeze interruption The compressor is interrupted the outdoor fan stops and the indoor fan remains running Condition for anti freeze left When the indoor heat exchanger temperature rises to the Anti freeze Releasing Temperature 9 C the anti freeze interruption is left 4 2 7 Compressor discharge temperature too high protection 4 2 7 1 Conditions for the compressor discharge interruption protection The compressor discharge temperature is above or equal to and remains for 20 s the compressor discharge interruption protection is activated Action of the compressor discharge interruption protection Prompts are made on the remote controller display screen and with the outdoor indicator light and the compressor stops Conditions for the compressor discharge interruption protection left When the compressor discharge temperature drops below 92 C the compressor discharge interruption protection is left 4 2 8 Overcurrent protection in cooling 4 2 8 1 Conditions for overcurrent protection When the current rises above or at the Interruption Current Value for the Cooling Current Protection 23A and maintains for 10 s the overcurrent protection is activated Action of the overcurrent protection Prompts are shown on the screen on the remote controller unit and by the ind
37. ove 35 C at a preset speed or at the auto speed to end the cold air protection When the indoor coils temperature drops below 10 C the indoor fan will stop The cold air prevention is work in 4 minutes it will cancelled after 4 minutes 4 3 4 Residual heat blowing off When the compressor is turned off in the heating run the indoor fan does not stop at once until the indoor evaporator temperature is below 30 C but for 30 seconds at the latest 4 3 5 Outdoor fan The outdoor fan speeds are divided into three levels which can be changed over according to outdoor ambient temperatures 4 3 6 4 way valve State It is electrified in heating 20 6 CONTROL MODEL ADM 24UX4SGKA Switchover When initially powered on for heating the 4 way valve is activated immediately In the change from cooling to heating it needs an interval of 50 seconds for the 4 way valve to change over from being interrupted to being activated 4 3 7 Overload control 4 3 7 1 Conditions for the system to be interrupted on overload When the indoor heat exchanger temperature is higher than or equal to the Interrupting Temperature for Overload Protection 65 C and maintains for 10 s the overload control is activated to interrupt the system Action of the overload interruption The compressor is interrupted the outdoor fan stops and the indoor fan keeps running or operates for cold air prevention Conditions for overload interruption left When the indoor
38. ow side The system wants refrigerant The service people must be ration refrigerant about Recharge refrigerant after air purging with pump Does the low pressure nomal over the vacuum again yes 100g per in the cooling mode fixed frequency ls the low Air remaining at the refrigerant system pressure rise The refrigerant system Recharge refrigerant blocked Please check the Capillary Tube or electronic expansion valve ls it blocked yes Unsolder the capillary tube IASS Y or electronic expansion valve The capillary tube1 is blown by N If the pressure is Check working close to static NO ambient of the pressure air conditioner yes 4 way valve collude or compressor exhaust very lebb Check check valve and 4 way valve Heating mode Test system pressure Does the high pressure normal at service part The pressure on the low side The system wants refrigerant The service people must be ration refrigerant about 100g per in cooling mode fixed frequency state Is the high pressure rise in heating mode yes No If the pressure is close to static pressure yes 4 way valve collude or compressor exhaust every ebb The pressure on the high side
39. pecific trouble code It flashes as many times as the number of the trouble code is me E Possible Cause No trouble Outdoor coil temperature sensor in Outdoor coil temperature sensor is failure EEE ana fd Sompiesser discharge temperature Compressor discharge sensor is failure Ea Current transformer in trouble IPM protection 1 Normal protection 2 Outdoor IPM control board is failure in the outdoor control board 3 The compressor is failure Over and under voltage control 1 Voltage of power supply is abnormal Ir E TT Current overload control 1 Normal protection A ec Maximum current control 1 Normal protection besen FE Outdoor EEPROM in trouble 1 Outdoor control board in trouble Compressor exhaust temperature 1 Heat exchanger and indoor filter were too high control dirty 2 The refrigeration system was stopt 3 Compressor discharge temperature sensor is failure Outdoor ambient temperature 1 Outdoor ambient temperature sensor is sensor in trouble failure 2 Outdoor control board in trouble Compressor housing temperature 1 Compressor overheat protection sensor is protection failure 2 Outdoor control board in trouble Anti freeze or overload control Indoor coil temperature sensor is failure Indoor control board in trouble Compressor fails to start 1 Compressor is failture 2 Outdoor IPM control board is failure in the outdoor control board 27 7 TROUBLE SHOOTING ADM 24UX4SGKA
40. plugs Don t place the comp In air for along time 3 Avoiding compressor running in reverse caused by connecting electrical wire incorrectly 4 Warning In case AC voltage is impressed to compressor the compressor performance will belower because of its rotor magnetic force decreasing 4 INDUCTANCE Familiar error 1 Sound abnormality 2 Insulation resistance disqualification 5 FILTER 017 L1 L 2 DIA IAS AC220V Lafe D S JE J Ke SE L2 Test in resistance TOOL Multimeter Test the resistance of LOAD port The filter is fault if the resistance of winding O short circuit or open circuit 38 8 CHECKING COMPONENTS ADM 24UX4SGKA 8 2 3 Check others 1 FUSE Checking continuity of fuse on PCB ASS Y 1 Remove the PCB ASS Y from the electrical component box Then pull out the fuse from the PCB ASS Y Fig 1 2 Check for continuity using a multimeter as shown in Fig 2 V Fi g 2 2 CAPACITOR Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 3 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of
41. riisense SPLIT TYPE AIR CONDITIONER ADNM 24UXASGIKA Table of contents D OPERATING RANGE 7 7 1 STEE Ee E EE e 2 SEET 2 2 Major EELER 2 3 Other component specifications ierg 30 OUTLINES AND DIMENSIONS 777 7 7 7 e 5 SL INDOOR Seren SSA a 32 OUTDOOR ee EE 4 REFRIGERANT FLOW DIAGRAM 7 4 1 Refrigerant flow diagram 0000000002 4 2 Evacuation DECHE EE IE HH EEE 4 3 Evacuation EE EE SEL EE Ee EE EE Ee 10 5 1 Electric wiring diagrams 2Electrie contioli ren ee en ee 5 3 Sensor DREES 6O CONTROL MODE ee sneer aster seers 16 6 1 control mode iere EE EE Fr 7O TROUBLESHOOTING EE EE 24 I Error eege ee Seb eee REES 22 Senyice flowchart FH EE 80 CHECKING COMPONENTS 7 EEE TRIER TEE 35 8 1 Check EE EE Fr EEE RE rrr Ee E DEE A ES EE 90 DISASSEMBLY INSTRUCTIONS 53 Rn se A0 921 INGOOL erer rr 9 2 ee LOD PARTS EE EE ashe 49 10 4 Indoor 57 20 rte m tee sneer okee 10 2 Qutdoor EE EE SEN 1 OPERATING RANGE ADM 24UXR4SGKA Temperature Indoor Air Intake Temp Outdoor Air Intake Temp COOLING Maximum 32 C D B 23 C W B 43 CD B 26 C W B Minimum 21 CD B 15 CW B 21 CD B 15 CW B HEATING Maximum 27 C D B 18 C W B 24 C D B 18 C W B Minimum
42. st temperature 1 Heat exchanger and indoor filter were too high control dirty 2 The refrigeration system was stopt 3 Compressor discharge temperature sensor is failure Outdoor ambient temperature 1 Outdoor ambient temperature sensor is sensor in trouble failure 2 Outdoor control board in trouble Compressor housing temperature 1 Compressor overheat protection sensor is protection failure 2 Outdoor control board in trouble 16 Anti freeze or overload control 1 Indoor coil temperature sensor is failure 2 Indoor control board in trouble 18 Compressor fails to start 1 Compressor is failture 2 Outdoor IPM control board is failure in the outdoor control board 33 Room temperature sensor in trouble 1 Room temperature sensor is failure 2 Indoor control board in trouble 34 Indoor coil temperature sensor in 1 Indoor coil temperature sensor is failure 35 Between wire remote controller and 1 Wire remote controller in trouble indoor unit communication trouble 26 7 TROUBLE SHOOTING ADM 24UX4SGKA Communication between the indoor 1 Connection cable isn t well connect and outdoor in trouble 2 Indoor control board in trouble 3 Outdoor control board in trouble Water overbrimmed the pump 1 Check the pump B Indoor EEPROM in trouble 1 Indoor control board in trouble Indication on the indoor unit If the compressor fails when it is interrupted the indoor unit s LED flashes indicating the s
43. the capacitor ee Conpressor not or capaci tor Fan not or capaci t or Fi g 3 39 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA 9 1 INDOOR OPERATION PROCEDURE PHOTOS 1 Remove the electric joint box parts 1 Take out the 2 screws of the electric joint box cover and remove the electric joint box cover 2 Disconnect all the connectors on the PCB 3 Take out the 4 screws of electric joint box and remove it Screws R Electric joint box Electric joint box Z 2 Turn the 2 clips of inlet flange and remove the air filter Air filter 40 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA OPERATION PROCEDURE PHOTOS 3 Remove the flange parts 1 Take out the 8 screws and remove the inlet flange ass y 2 Take out the 12 screws and remove the outlet flange ass y Outlet flange ass NW g y 4 Remove the base parts 1 Take out the 8 screws and remove base 2 2 Take out 4 screws and remove base 1 41 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA OPERATION PROCEDURE PHOTOS lt Base 2 Base 1 Screws 5 Remove the connecting plate parts 1 Take out 2 screws above the side panel 2 Take out 4 screws on the connecting plate remove the connecting plate 3 Take out 4 screws on the other side panel remove the connec
44. ting plate Connecting plate p N Screws Screws IN A Screws ANN NI 6 Remove the gullet Gullet 42 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA OPERATION PROCEDURE PHOTOS 7 Remove the side panel parts 1 Take out the 2 screws on the side panel remove the fixed plate liquid level detector 2 Take out 3 screws and remove the side panel Screws Dobber switch Side panel 8 Take out 4 screws on the both sides remove the evaporator ass Y 43 9 DISASSEMBLY INSTRUCTIONS ADM 24UX4SGKA OPERATION PROCEDURE AND PHOTOS 9 Disassemble the air oulet parts 1 Take out 4 screws of the air outlet parts on the both sides and take out 4 nuts on the base and remove the air outlet parts 2 Take out the 3 bolts in the fan ass y respectively 3 Take out 4 screws of every one fan ass y The 3 fan ass y have 12 screws in number 4 Remove the right fan ass y 5 Take out 2 nuts on the support plate remove the support plate and remove the left fan ass y 6 Take out 2 screws remove the axletree cover 7 Take out 2 screws on the axletree connector remove the fan motor axis and axletree connector 8 Take out 2 nuts and remove the axletree bracket 9 Take out 4 nuts and remove the fan motor bracket Fan ass y Left fan ass y Right fan ass y Sa Air outlet de J Nuts Ki Lf 5 x Y Y Nan s
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