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Universal System Air Conditioner

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2. 5 5 840 Unit size 8 2 Oo d EM ie E 2 5 T y d Unit mm 950 5 5 40 Si 110 110 5 FF 8 N Si 4 S N unit mm Number Name Descripition 1 Liquid pipe connection 36 6 35 48 60k 29 52 flare 2 Gas pipe connection 36 15 88 48 60k 2 19 05flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grille 6 Air suction grille gt 210 5 20 Universal System Air Conditioner 5 Wiring Diagrams WIRING DIAGRAM Ceiling Cassette 4 way INDOOR J MOTOR DISPLAY ASSY FLOAT S W 6666666 i CN DPUMPESI FUSE 9 ar LINN HOOGLNO OL Q N e I N CN LR2 CN LR1 CN UD2 CN UD1 CN DISP CN HVB PIPE1 CN ROOM CN PIPE2
3. Service Manual 155 Exploded View amp Replacement Parts List D 156 Universal System Conditioner Parts List LOCATION No DESCRIPTION Exploded View amp Replacement Parts List Part No ATNH126ELFB UT12 NEB ATNH186ELFB UT18 NEB SVC CODE 130411 BASE ASSEMBLY WELD INDOOR 3041A10013A 3041A10013A 130911 1 CABINET ASSEMBLY INDOOR 3091A10023C 3091A10023C 130911 2 CABINET ASSEMBLY INDOOR 3091A10023D 3091A10023D 158591 PUMP ASSEMBLY WATER 5859A20001M 5859A20001M 159830 AIR CLEANER ASSEMBLY 5983A10002A 5983A10002A 249951 CONTROL BOX ASSEMBLY INDOOR 4995A14001L 4995A14001M 263230 1 THERMISTOR ASEEMBLY INDOOR INLET 6323A10002A 6323A10002A 263230 2 THERMISTOR ASEEMBLY PIPE INLET 6323AQ3226T 6323AQ3226T 263230 3 THERMISTOR ASEEMBLY PIPE OUTLET 6323AQ3226F 6323AQ3226F 266012 SWITCH ASSY
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6. 2 iT mU 3203 al 3 1 ele 5 281 2 2 4315 N d31S N3 ass O0 Schematic Diagram B Ceiling amp Floor ans BLRS 74 45 o 5 LG Shr bs 1 Sd 0069617 god ans M31V3H Old HOd HnS 25 ven
7. dhna TILININ A8 1 e 5 ope NUN bs Zon R3 Z3dld NO HOM NO 13014 11031 FN 2 2 SS 5 5 NO TNI 5 Posel dindz0_N3 d a 8 S 6020191 89 SS N y A 8STOTUTZ89 5459 atr YOLOWTND 2272 Quo moy OEE 60 rem EN TONS 8 555 894 8 888 81610690289 eet 4 4 2 c 810250 91031 v 0 SS T 8 oo lt lt gt Lat 19014 NO Q1021N dg cu 5 0100 37 a Z Old NJ 48107 0602 n 9 9 20080 124 Universal System Air Conditioner V Schematic Diagram Ceiling Cacsette mem S 126 Ceiling Der M 127 Celing e E 128 Service Manual 125 Schematic Diagram
8. DD D D D D D DID D oy D DD DD D D D DD DD DDD DD D 176 Universal System Air Conditioner Exploded View amp Replacement Parts List Model No AUL 435301 435512 880870 559010 549610 548490 1 7 2227 EEN dd H 55403041 554030 649950 Service Manual 177 Exploded View amp Replacement Parts List Parts List LOCATION No DESCRIPTION Part No AUUW4860 UU48 WUYB AUUW6060 UU60 WUYB SVC CODE 137213 PANEL ASSEMBLY SIDE 3721A10120A 3721 10120 567480 1 THERMISTOR ASSEMBLY INV D PIPE amp S PIPE SENSOR 6323A20020L 6323A20020L 567480 2 THERMISTOR ASSEMBLY CONDENSOR amp AIR SENSOR 6323A20020K 6323A20020K 263230 1 THERMISTOR ASSEMBLY CONSTANT D PIPE SENSOR 6323A20001Q 6323A20001Q 263230 2 THERMISTOR ASSEMBLY CONSTANT D PIPE SENSOR 6323A20001R 6323A20001R 330870 DRAIN PAN ASSEMBLY 3087 10023 3087 10023 346811 MOTOR ASSEMBLY SINGLE 4681A20155B 4681A20155B 352112 TUBE ASSEMBLY COUPLING 52114102840 5211 102840 352114 TUBE ASSEMBLY DISTRIBUTOR 5211 21190 52114211908 430
9. Outdoor unit Indoor unit Type Model name AUUW126B Ceiling Cassette ATNH126ELFB UT12 NEB 0012 WUEB Ceiling 8 Floor AVNH126ELAB UV12 AUUW186B Cassette ATNH186ELFB UT18 NEB UU18 WUEB amp AVNH186BLAB UV18NBB Ceiling Concealed Duct 186 0818 NHB AUUW246B Selling Cassette ATNH246FLFB UT24 NFB 0024 WUEB Ceiling amp Floor AVNH246BLAB UV24 NBB Ceiling Concealed Duct ABNH246HLAB UB24 NHB AUUW306B Gelling Cassette ATNHS306FLFB UT30 NFB 0030 WUEB Selling amp Floor UV30 NBB Ceiling Concealed Duct ABNH306GLAB UB30 NGB AUUWS66B Ceiling Cassette ATNH366DLFB UT36 NDB 0036 WUHB Ceiling Concealed Duct ABNH366GLAB UB36 AUUW4860 Ceiling Cassette ATNH486DLFB UT48 NDB UU48 WUYB Ceiling Concealed Duct ABNH486RLAB UB48 NRB AUUW6060 Ceiling Cassette ATNH606DLFB UT60 NDB UU60 WUYB Ceiling Concealed Duct ABNH606RLAB UB60 NRB 2 Avoid installng air conditioner in such places where cooking oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid place where noxious gas is generated 5 Avoid places near high frequency generators Service Manual 67 Introduction Model Number Nomenclature 8 ife e B Serial Number Electric Standard Phase Volts Freq 6 10 220 240 5 2 8 30 380V 415V 50Hz
10. 22 23 25 Accessories E oeeteiam ails 30 10 Universal System Air Conditioner Ceiling Cassette 4 way 1 Features amp Benefits Convenience 4 b Auto elevation grille Accessory Tele control Optional wired remote control p gt Group control JP Se Central control Accessory Weekly progam Cleanness Plasma air purifying system Hygienic and easy to clean filter Easy Installation Compact design amp easy installation High ceiling corresponding operation High head drain pump 700mm Comfort amp Reliability Low noise with 3 dimensional turbo fan 2 Thermistor control Main body amp Remote control Zero stanby power consumption Jet cool Swirl swing Space control Compact Design and Easy Installation i Only about 269mm height in the ceiling is sufficient for installation space A smaller size than Textile 600X600 is very conve installation 18k model Low Noise with 3 dimensional turbo fan The most advanced low noise design The adoption of turbo fan and round type heat exchanger provides the quietest operation Hygienic and Easy to Clean Filter Washable and anti bacteria filter is adopted It is easy to open grille and replace clea
11. 11 0 SUPPLY TO INDOOR UNIT Notes BL BLUE BK BLACK BR BROWN RD RED ORANGE WH WHITE YL YELLOW GN YL GREEN YELLOW FIELD WIRING Service Manual 81 MPS Inverter SINGLE AUUW246B UU24 WUEB INVERTER OUTDOOR WIRING DIAGRAM COMPRESSOR RD BL YL REACTOR 6 e Q YL CN FAN A W CN COIL1 CN COIL2 CN 4WAY MAIN PCB CRANKCASE CN HEATER HEATER CN TH1 1 CN TH2 CN TH3 CN TH4 OPTION DEFROST 180 CN PRESS CN OIL S 76 OIL SEPERATOR CONSTANT RY C COMP OLP COMPRESSOR 0000 CN WRITER HISINK SUC DISP I DISP C CN JIG PC CN CENTRAL 0000 GND 1 GND 2 BL 2 N TOINDOOR SUPPLY UNIT Notes BL BLUE BK BLACK BR BROWN RD RED ORANGE WH WHITE YL YELLOW GN YL GREEN YELLOW FIELD WIRING 82 Universal System Air Conditioner AUUW306B 0030 WUEB INVERTER COMPRESSOR RD BL YL 6 D 9 9 OUTDOOR WIRING DIAGRAM
12. poc Title Cause of error Check point amp Normal condition Open Short 01 Indoor air sensor Soldered poorly Normal resistor 10 29 Unplugged Internal circuit error Normal voltage 2 5Vdc at 25 plugged Open Short I 02 Indoor inlet pipe sensor Soldered poorly kee 1 2 5 1 Internal circuit error plugged Open Short E Normal resistor 5KQ at 25 C Unplugged 06 Indoor outlet pipe sensor Soldered poorly Normal voltage 2 5Vdc at 25 C plugged circuit error 10kQ 2 5Vdc KH Q V 77 PIS Check the resistance Check the voltage Point 1 Unplug the sensor on Indoor unit PCB O FW Estimate the resistance of each sensor Plug the sensor on Indoor unit PCB and Power ON Estimate the voltage of each sensor 106 Universal System Conditioner If the resistance of the sensor is 10KQ 5 at 25 C then sensor is normal If the resistance of the sensor is 0 or then sensor is abnormal Change the sensor If the voltage of the sensor is 2 5Vdc at 25 C then sensor is normal If the resistance of the sensor is 0 or 5Vdc then sensor is abnormal Repair or Change the PCB Troubleshooting Guide 2 Troubleshooting CH03 7 Title Cause of error Check point amp Normal condition E Connection of wire 03 Communication O
13. 3131 108109 TVULN3 looo 999 90900 99990 99990 gee STEP 1 STEP STEP STEP OTOR MOTOR WOTOR WOTOR 90 Qo N PIPE RED ORANGE YELLOW BROWN GREEN YELLOW i ROOM THERMISTOR THERMISTORTHERM gt STOR 3854A20419H CONNECTOR NUMBER LOCATION CN POWER AC POWER SUPPLY CN MOTOR BLDC FAN MOTOR OUTPUT CN D PUMP DRAIN PUMP OUTPUT CN DISP DISPLAY CN FLOAT FLOAT SWITCH INPUT CN PTC PTC HEATER INUT CN REMO REMOTE CONTROL CN GRILL GRILL CONTROL CN CC CENTRAL CONTROL CN PIPE2 DISCHARGE PIPE SENSOR CN ROOM ROOM SENSOR CN PIPE1 PIPE SENSOR CN HVB AIR CLEANER CN UD1 STEP MOTOR CN UD2 STEP MOTOR CN LR1 STEP MOTOR CN LR2 STEP MOTOR Service Manual 21 Ceiling Cassette 4 way 6 Piping Diagrams 12 52 50 eh p tegat Cooling Heat Exchanger gt Heating gt Turbo Fan Indoor unit Thermistor Refrigerant pipe connection port diameter unit mm inch Model Gas Liquid ATNH126ELFB UT12 NEB 9 52 3 8 ATNH186ELFB UT18 NEB 12702 ATNH246FLF
14. MOO Mi N23 DEI 021 S Lt 3 dind TILININ u wamg ug lt gt ts 31028 8 B g 0 0191 89 MDC i 8610191289 usu 191 5 x 0 lt 5 YOLOWTNI 2108 WAWA 227 9 6097 lt gt 8 M S A 0702 902 02002 a HE Z 8 8 8 1210690282 814 TIWINI 4 sy 810250 91051 5 8 o T 5 Eed 1509 8 2 NJ E lt S 8 0602 rosz 8 122 Universal System Air Conditioner Electronic Control Device Ceiling amp Floor VE Series lt GE Hl ZS qa n Service Manual 123 Electronic Control Device VB Series
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17. Service Manual 169 Exploded View amp Replacement Parts List Parts List Part No DESCRIPTION AUUWTSeB SVC CODE UU12 WUEB UU18 WUEB 152503 NIPPLE DRAIN 4H01010A 4H01157A 567480 1 THERMISTOR ASSEMBLY D PIPE 4 5 SENSOR 6323A20020G 6323A90001F R 267480 2 THERMISTOR ASSEMBLY CONDENSOR amp AIR SENSOR 6323A20020F 6323A20020F R 430411 BASE ASSEMBLY WELD OUTDOOR 3041A20022Q 3041A20022Q R 435301 GRILLE DISCHARGE 3530A20007B 3530A20007B R 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A21002A 3551A21002A 435512 COVER ASSEMBLY TOP OUTDOOR 3H03266K 3H03266L R 435300 GRILLE REAR 1 00207 R 437211 PANEL ASSEMBLY FRONT OUTDOOR 3721A20005P 3721A23001A R 437212 PANEL ASSEMBLY REAR 3720AP0003L R 447910 BARRIER ASSEMBLY OUTDOOR 3H03307L 3H03307L R 546810 MOTOR ASSEMBLY OUTDOOR 4681A20028J 4681A20028J R 552112 ASSEMBLY CONDENSER IN 5211A24019A 5211A30298A R 552113 1 TUBE ASSY CONDENSER OUT 5211A24018B 5210AR3521J R 552113 2 TUBE ASSEMBLY CONDENSER OUT 5211A21366D 5211A12011A R 552203 1 VALVE SERVICE 12 7 5220A20001A 5220A20006A 552203 2 VALVE SERVICE 6 35 5220A20007A 5220A20007A 552116 TUBE ASSEMBLY REVERSING 5211 00029 5211 20493 554032 CONDENSER ASSEMBLY FINAL 5403A10013H 5403A20072N R 554160 COMPRE
18. Generating plasma Odour molecule High Head Drain Pump Accessory 700mm In some of the places natural drainage is not possi ble For such places drain pump is very uselul removes condensed water from the unit Zone Control Accessory It controls the temperature of each zone Opening or closing of the damper is controlled by sensing the temperature of each zone In the cooling mode if the temperature of a particular zone is lower than set temperature then the damper is closed On the other hand if the temperature of a particular zone is higher than the set temperature damper is opened to pro vide cooling to the zone and vice versa in the heating mode Ceiling Concealed Duct volume nt 10 rim Aa D 4 12 Stabe presguret mimi i Service Manual 47 Ceiling Concealed Duct 2 List of Functions Category Function ABNH HL ABNH GL ABNH RL Air flow Air supply outlet 2 Airflow direction control left amp right Airflow direction control up amp down Auto swing left amp right Auto swing up amp down Airflow steps Fan Cool Heat CHAOS swing Wall mounted Artcool 3 3 3 3 3 3 CHAOS wind Auto wind Jet cool Power wind Swirl wind Air purifying Deodorizing filter Plasma air purifier ABPAHH ABPAHH Prefilter Washa
19. SS 9 N 2 0 8 unit mm Number Name Descripition 1 Liquid pipe connection 26 35 flare 2 Gas pipe connection 12k 09 52 18k 912 7 flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grille 6 Air suction grille 18 Universal System Air Conditioner 190 5 Ceiling Cassette 4 way ATNH FL Decoration Panel PT HFA PT HFC 850 850 790 Ceiling opening 572 Hanging bolt 109 6 744 Unit size 658 Hanging bolt 790 Ceiling opening 744 Unit size 70 ES 1 2 iE 110 110 9 o lo E IL g 379 F 3 unit Number Name Descripition 1 Liquid pipe connection 26 35 2 Gas pipe connection 24K 912 7 30K 015 88 flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grille 6 Air suction grille Service Manual 19 Ceiling Cassette 4 way ATNH DL Decoration Panel PT HDA PT HDC 875 Ceiling opening 45 785 Hanging bolt _ 45
20. ABNH RL Service Manual 161 Exploded View amp Replacement Parts List Parts List LOCATION No DESCRIPTION Part No ABNH186HLAB UB18 NHB ABNH246HLAB UB24 NHB SVC CODE 263230 1 THERMISTOR ASEEMBLY INDOOR INLET 6323AQ3214E 6323AQ3214E 263230 2 THERMISTOR ASEEMBLY PIPE INLET 6323AQ3226V 6323AQ3226V 263230 3 THERMISTOR ASEEMBLY PIPE OUTLET 6323AQ3226E 6323AQ3226E 336610 1 HOUSING MECH WRAPPER 3660A20017A 3660A20017A 336610 2 HOUSING MECH WRAPPER 3660A20018A 3660A20018A 346810 MOTOR ASSEMBLY INDOOR 4681 10013 4681A10013C 359012 1 FAN ASSEMBLY BLOWER 5901A10026A 5901A10026A 359012 2 FAN ASSEMBLY BLOWER 5901A10028B 5901A10028B WOCZZ CAPACITOR DRAWING 2A00986D 2 009860 354210 EVAPORATOR ASSEMBLY FIRST 5421 10027 5421A20100B 352118 ASSEMBLY MENIFOLD INDOOR 5211A20416J 5211A20465G 552111 TUBE ASSEMBLY CAPILLARY 5211A20693E 5211A20466N 330870 DRAIN PAN ASSEMBLY 3087A10008B 3087A10008B 249951 CONTROL BOX ASSEMBLY INDOOR 4995A14002E 4995A14002F 268714 PWB PCB ASSEMBLY MAIN 6871A10140X 6871A10140Y 267110 2 REMOTE CONTROLLER ASSEMBLY 6711A10008D 6711A10008D 152302 FILTER MECH A C 162 Universal System Air Conditioner 5230A30001M 5230A30001M 2 2 Z ZU Din
21. Exploded View amp Replacement Parts List Part No er Ge DESCRIPTION ABNH306GLAB ABNH366GLAB SVC CODE UB30 NGB UB36 NGB 263230 1 THERMISTOR ASEEMBLY INDOOR INLET 6323AQ3214E 6323AQ3214E R 263230 2 THERMISTOR ASEEMBL Y PIPE INLET 6323AQ3226V 6323AQ3226V R 263230 3 THERMISTOR ASEEMBLY PIPE OUTLET 6323AQ3226E 6323AQ3226E R 336610 1 HOUSING MECH WRAPPER 3660A20019A 3660A20019A R 336610 2 HOUSING MECH WRAPPER 3660A20020A 3660A20020A R 346810 MOTOR ASSEMBLY INDOOR 4681410013 4681 41001 3 R 359012 1 ASSEMBLY BLOWER 5901 10026 5901 10026 R 359012 2 ASSEMBLY BLOWER 5901A10028J 5901A10028A R WOCZZ CAPACITOR DRAWING 2A00986D 2A00986D R 354210 EVAPORATOR ASSEMBLY FIRST 5421A10027A 5421A10027A R 552111 TUBE ASSEMBLY DISTRIBUTOR 5211A20693E 5211A20693E R 352118 TUBE ASSEMBLY MENIFOLD INDOOR 5211A20416J 5211420416 R 330870 DRAIN PAN ASSEMBLY 3087A10008A 3087A10008A R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A14002G 4995A14002H R 268714 PWB PCB ASSEMBLY MAIN 68714101310 6871A10131R R 267110 2 REMOTE CONTROLLER ASSEMBLY 6711A10008D 6711A10008D R 152302 FILTER MECH A C 5230A30001L 5230A30001L R Service Manual 163 Exploded View amp Replacement Parts List Part No Ce DESCRIPTION ABNH486RLAB ABNH606RLAB SVC CODE UB48 NRB UB60 NRB
22. The voltage of main power The voltage applied to the unit The connecting method of Indoor Outdoor connecting cable each color The P W B Ass y Fuse Noise Filter Power Transformer ICO1D ICO2D etc k Primarily the operating condi tion of Micom is O K e Check CN DISP1 operation check of the 55 Procedure Specification Remedy 1 The input voltage of power trans 1 AC230V 30V 1 Replace former Check the rated voltage power transfomer 2 The output voltage of power 2 14V 2 Replace transformer power transfomer 3 010 7812 3 DC12V 3 Replace ICO1D 4 IC02D 7805 4 DC5V 4 Replace ICO2D 5 7036 5 The voltage of micom pin 29 5 Replace ICO1A DC4 5VT 98 Universal System Air Conditioner Troubleshooting Guide Trouble 2 Product doesn t operate with the remote controller Turn on main power While the compressor has been stopped the compressor does not operate owing to the delaying function for 3 minutes after stopped E When the compressor stopped Indoor Fan is driven by a low speed At this point the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed as force ue Caused by the remote controller Caused by other parts except the remote controller 2 When the mark
23. ion unit Program set etno Time eM amp 14 ved 10 5 Signal Receiver x Program Week 25 CJ C3 1 1 2 1 99 Plasma 2 te i 5 3 SET CLR 17 1 Operation display Displays the operation conditions On Off Button Operation starts when this button is pressed and stops when the button is pressed again N Set Temperature Button Used to set the temperature when the desired temperature is obtained 4 FAN Operation Button Used to circulate room air without cooling or heating Electric Heater Button optional Used to set the Electric Heater o Fan Speed Button Used to set desired fan speed 7 Operation Mode Selection Button Used to select the operation mode Auto Operation Mode Cooling Operation Mode Soft Dry Operation Mode Heating Operation Mode except cooling model 8 Timer Cancel Button Used to cancel the timer 9 Timer Set Button Used to set the timer when the desired time is obtained 10 Week Button Used to set a day of the week 11 Program Button Used to set the weekly timer 12 Holiday Button Used to set a holiday of the week 13 Time Set Button Used to set the time of the day and change the time in the weekly timer Function 14 Set and Clear Button Used to set and clear the weekly timer 15 Room Temperature Checki
24. 10 lt 3 214 D I TT 5 8 9 0 09d XONIV ood 6 5 4 T9d cINIW gt TI dRUS GH 9 19 9 294 GNIv 94d lt Eus 54 501 11 00 1130 ER Sr el z P x cl elo SNDTL D XOT wi Ics olo G9d SNIV d 101 379 nay 994 CNIV Zei Ze Deum L L9d CG NIV et A j ETI 0 ele 023 x IN WODX N9 e 8 o 21 WOO war 2721 33 N3 e HI WNOIS e T EXP Ier 3dld N9 AE anode Sm 0402 aii 9 T mee OMA 804 05 440 10 nev sroze ersch lt HOd HhS Ped piso 1340H aen 0 001 N3ADd NO feo cul 128 Universal System Air Conditioner Functional Description VI Functional Description Ceiling Cacsette 1 6 130 Ceiling Duct 132 GCeling Mee 135 UNS sisihina Eeer 138 Service Manual 129 Ceiling Cassette B Ceiling Cassette Type Auto Swing Control This function is to swing the louver up and down automatically Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan sp
25. For eluminating latent heat loss fan operates at low speed for 10 seconds periodically Service Manual 133 Ceiling Duct Type Hot Start Control The indoor fan does not rotate until the indoor unit Hex Exchanger temperature reaches 27 C The operation diagram is as following Indoor unit Heat Exchanger temperature 33 Compressor Outdoor fan Setting fan Setting fan 4way Valve 134 Universal System Air Conditioner H Ceiling amp Floor Soft Dry Operation Ceiling amp Floor The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control Cooling Mode Operation e When selecting the Cooling 36 Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature SET TEMPERATURE 0 5 C Thermo ON SET TEMPERATURE 0 5 C Thermo OFF More than More than 3 minutes 3 minutes INDOOR FAN Selecting Low Selecting Low Selecting fan speed fan speed fan speed COMPRESSOR ON OFF ON OFF ON Service Manual 135 Ceiling amp Floor Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor unit Heat Exchanger temperature
26. Used to cancel the 11 Timer Set Button Used to set the timer when the desired time is obtained Week Button Used to set a day of the week 12 13 Program Button Used to set the weekly timer 14 Holiday Button Used to set a holiday of the week 15 Time Set Button Used to set the time of the day and change the time in the weekly timer Function Set and Clear Button Used to set and clear the weekly timer 16 17 Swirl Button 4 way Used to select swirl mode Jet Cool Button 1 way 18 Reset Button Used to set the current time and clear the setting time Display temperature can be different from actual room temperature if the remote controller is installed at the place where sun rays are falling directly or the place nearby heat source Service Manual 23 Ceiling Cassette 4 way B Wireless Remote Controller optional This air conditioner is equipped with wired remote controller basically But if you want to be available with wireless remote controller you pay for it P Signal transmitter PIB BB 11 48 88 5 1 6 3 4 2 10 7 9 11 12 8 13 14 L Flip up door opened 3 The wireless remote controller do not operate the swirl mode CAUTION of handling the Remote Controller 1 10 11 12 13 14 15 START STOP BUTTON Operation starts when this button
27. ABNH306GLAB Med 15 2754 263029 261022 258011 248876 23612 UB30 Low 190 21742 208035 206027 20 4720 204020 207 High 1 420489 400443 3801342 35 5 1254 33 5 1183 321130 ABNH366GLAB Med 220 391377 371307 3501236 331165 311095 291024 UB36 NGB Low 240 341201 3250148 311095 29 501042 27054 265136 D 79 590730 14741675 4491500 4330529 4171472 400412 aam 31196 354128 IS 220 424049 4021420 392180 emm 580259 346122 2221197 Low 240 380342 3720914 351234 3241145 3160110 301059 28 6 1008 27053 2621925 ABNHeoemLAg 592083 540028 5581969 58441880 5171408 801789 4660640 4291516 461432 860 19 581871 34106 4980759 4741674 eau 480589 98502 13881087 38301352 Low 205 471660 45 8618 4381547 4241480 4070435 401412 3781335 351234 3341179 Notes 1 The above table shows the correlation of External Static Pressure amp Air Flow 2 When installing the value of motor step needs to be set according to E S P of the table 7 2 Service Manual 57 Ceiling 8 Operating Instructions and Function of Remote Controller a 1 em SPEED SUB FUNCTION x 88 Heater Preheat Defrost Filter Outdoor
28. Inverter Comp Constant Comp Big Energy saving Max 7096 with using MPS DC inverter High E E R Powerful DC Compressor Constant DC Inverter Speed Compressor Compressor TPS Control In case of low frequency operation Cooling Capacity Cooling load 1 compressor system Saving Zone 1 2 compressor system Operating Ratio ciency constant speed compressor and the DC inverter compressor 138 Inverter Constant compressor control of compressor 15 110 2 control Frequency Constant speed Inverter compressor compressor control control 12 Load Annual Power Consumption 100 Condition fo trial 1805151 Wb Constant Speed Inverter TPS Inverter DC Kar 907 9 9 70 Universal System Air Conditioner 5 Inverter SINGLE Operatig e Compressor Range Application compressor 9 SINGLE operation 18k grade g Inverter only Constant Compressor operation i 1 1 24k 30k 36k Grade 4 Inverter i i i Constant Inverter Constant Constant compressor Compressor Compressor operation operation Inverter I II III 48k 60k Grade g H Constant Constant NPS Inverter systems use high COP DC Compressor that take charge of about 50 of total capacity and high COP constant speed compr
29. Units 2 2 ambient control Low ambient cooling case In this situation outdoor fan works in ON OFF control If the pipe temperature 0 lt it is falling rapidly in that case compressor will run for 5 min amp then it will go in low ambient control Temp value can be different for each model After the system is stopped by CT cut or heat sink cut off then the cycle returns to the normal condtiond control Outdoor pipe temp O D fan Set speed 2 3 Oil return control 2 3 1 Operating Contion 1 When the continuous running time is over Shr option oil returning operation is made for 3min In case of the initial operation oil returning operation is made after completing initial operation 2 After defrost and oil returning operation the continuous running time is resetted 2 3 2 Operation Process 1 EEV Full open Hot gas bypass valve On 2 3 4 Outdoor Fan Low step Compressor Step 70Hz Constant Comp On Option Reversing valve Off Process of Off On follows defrost operating Service Manual 143 Outdoor Units 2 4 Oil equalizing control 2 4 1 Inv comp Only in heating amp cooling Operating condition 1 When the continuous inverter compressor running time at under 25 Hz option is over 25 min option oil restor ing operation is made 2 If safety control device is operating under the 1 condition this operation is not made 3 During this operation if operating Hz couldn t be
30. 19 05 3 4 Drain OD ID mm 32 25 32 25 32 25 Dehumidification Rate 4 0 6 0 6 5 Safety devices Fuse Thermal protector for fan motor Fuse Thermal protector for fan motor Fuse Thermal protector for fan motor Temperature Sensor Thermistor Thermistor Thermistor Referigerant R 410A R 410A R 410A Referigerant Control LEV LEV LEV Connectable outdoor unit Single A Single A Single A Power and transmission interunit cable No x mm 4 0 75 4 0 75 4 0 75 Note 1 Capacities are based on the following conditions Cooling Indoor Temperature 27 80 6 DB 19 C 66 2 F WB Outdoor Temperature 35 C 95 F DB 24 C 75 2 F WB Heating Indoor Temperature 20 C 68 F DB 15 C 59 F WB Outdoor Temperature 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnecting Piping Length 7 5m Level Difference of Zero Conversion Formula kW kcal h CFM Btu h x 0 0002931 Btu h x 0 252 CMM x 35 3 2 Cooling heating capacity of indoor unit can be lower when it is connected to MPS variable outdoor 3 Wiring cable size must comply with the applicable local and national code 50 Universal System Air Conditioner Ceiling Concealed Duct 4 Dimensional Drawings ABNH HL GL RL A B lt 1 Pipe
31. 2 1 2 Defrosting Control Algorithm 1 Lowering the compressor frequency when starts the defrosting operation Constant speed compressor is ON after 10 seconds from the arrival time of 30 Hz Option frequency and is speed up its revolution till 100 Hz Option 2 Every LEV have 350 pulse Option of opening when starts defrosting operation 3 Reversing valve is OFF after 5 seconds from arriving the compressor operating frequency of 30 Hz and then fans of indoor units turn OFF including the indoor unit with being OFF except the remote controller is being OFF 4 After 5 seconds minutes from the time arriving 30 Hz fans of outdoor unit turn OFF and Hot Gas bypass Oil separator valve turn ON 2 1 3 Control algorithm of defrost completion 1 Frequency of compressor lowering to 30 Hz and maintain constant speed operation with 30 Hz for 75 seconds and then stating operation If the constant speed compressor is OFF it will be receive OFF signal after 5 sec onds from the arrival time of 30 Hz 2 3 4 5 The LEV will open with the standard previous pulse after 5 seconds from the time of 30 Hz Reversing valve is ON after 15 seconds from the time of 30 Hz of compressor frequency Fan of outdoor unit is ON with high speed and maintain it after 5 seconds from the time of 30Hz 2012 lt gt DH Hot Gas bypass valve Oil separator bypass valve make OFF after 75 seconds from the time of 30Hz 142 Universal System Air Conditioner
32. 6871AQ3263B 6871AQ3263B 6871AQ3263B 268714 PWB PCB ASSEMBLY MAIN 6871 10025 6871 10025 6871 10025 330870 DRAIN ASSEMBLY 3087AP7233A 3087AP7233A 3087 7233 342800 BEARING 3H02821B 3H02821B 3H02821B 346810 MOTOR ASSEMBLY INDOOR 4681AP2306M 4681AP2306N 4681AP2306P 352115 TUBE ASSEMBLY EVAPORATOR IN 5211AP2810Q 5211AP2810R 5211AP2810R 35211A TUBE ASSEMBLY SUCTION INDOOR 5211AP2813G 5211AP2813H 5211AP2813J 354210 EVAPORATOR ASSEMBLY FIRST 5421 2812 5421 2812 5421 2812 359011 ASSEMBLY CROSS FLOW 5901AR2351E 5901AR2351E 5901AR2351E 352150 HOSE ASSY DRAIN 5251AP2460B 5251AP2460B 5251AP2460B W0CZZ CAPACITOR DRAWING 3H00671A 3H00671A 00671 130911 ASSEMBLY INDOOR 3091AP2533A 3091AP2533A 3091AP2533A 249951 CONTROL BOX ASSEMBLY INDOOR 4995 10172 4995 10172 4995A10172C 147582 LOUVER VERTICAL 4758AP4249A 4758AP4249A 4758AP4249A 145200 LINK 168 Universal System Air Conditioner 4520AP4263A 4520AP4263A 4520AP4263A DI DI DIDID DIDI DIDID m mmm mic c cm 0 20 Exploded View 8 Replacement Parts List Outdoor Unit 72 e Les
33. M8 x L25 4pcs type A Floor Mount Bracket 1pcs Drain Hose Insulated amp Drain Hose Hanger and screw The other Installation Parts Needed 6 Suspension 7 Bolts for Mount Bracket 8 Connecting Tube mm Gas side 012 7 015 88 Liquid side 26 35 Connecting Cable 49 Drain Hose Extended Required Parts Required Tools Installation Plate Level Four Type A screws Screw driver Connecting cable Electric drill e Hole core drill 7 e Pipes Gas side 09 52 012 7 015 88 Flaring Tools set le IR 06 35 Specified Torque Wrenches Insulated drain hose 1 8kg m Liquid side piping Insulation materials 5 5kgrm Gas side piping gt Half union Specified Torque Wrenches TSK GM sis eei Liquid side piping SEKO Macr trga Gas side piping e Hexagonal Wrench 4mm e Gas leak Detector Two type B screws Owner s Manual Thermometer 40 Universal System Air Conditioner Ceiling amp Floor 8 1 Selection of the best location There should not be any heat source or steam near the unit There should not be any obstacles to the air circulation There should be provision of easy condensate drain Taking into accounting the noise prevention criteria spot the installation location Do not install the unit near the do
34. SNIV gt 549 lnH 379 qi 99d CNIV 824 8065 2 1 0 90 Ze M3IV3H 219 gt n L9d GNIV 4 0501 11 85 044 j NUT ee at Wima RES 02002 9 HL3Hd TX 4992 1 1 mess p 4 di Ke 102 mj EY 000 a809 0903 02683 02015 4 E aech EDU mL qum e ur AVyost GL 3294411 Can 9 9 9 9 126 Universal System Air Conditioner B Ceiling Cassette Type Schematic Diagram Service Manual 127
35. filter Accessory at air return hole Refer toDimensinal Drawings Install the unit leaning to a drainage hole side as a figure for easy water drainage M10 Nut X4 M10 SP washer X 4 22 M10 washer X4 Local supply X4 M10 SP washer X 4 Local CASE 2 10 Nut xal R n POSITION OF CONSOLE BOLT A place where the unit will be leveled and that can sup port the weight of the unit A place where the unit can withstand its vibration A place where service can be easily performed NOTE Throughly study the following installation locations 1 In such places as restaurants and kitchens considerable amount of oil steam and flour adhere to the fan the fin of the heat exchanger resulting in heat exchange reduction spraying dispersing of water drops etc In these cases take the following actions Make sure that the ventilation fan for smoke collecting hood a cooking table has sufficient capacity so that it draws oily steam which should not flow into the suction of the air conditioner Make enough distance from a cooking room to install the air conditioner in such place where it may not suck in oil steam 2 Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is in suspension in factories etc 3 Avoid places where inflammable gas is generated flows in is stored or vented 4 Avoid places where s
36. 0002931 Outdoor Temperature 35 C 95 F DB 24 C 75 2 F WB 3 At least two indoor units should be connected kcal h Btu h x 0 252 Heating Indoor Temperature 20 C 68 F DB 15 C 59 F WB 4 Wiring cable size must comply with the applicable local and national CMM x 35 3 Outdoor Temperature 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnecting Piping Length 7 5m Level Difference of Zero code Service Manual 73 MPS Inverter SINGLE Nominal Capacity and Nominal Input Indoor Units ATNH366DLFB C ATNH486DLFB C ATNH606DLFB C UT36 NDB C UT48 NDB C UT60 NDB C Outdoor Units AUUW366B AUUW4860 AUUW6060 UU36W UHB UU48W UYB UU60W UYB Nominal Capacity Cooling kw 1 47 10 6 14 1 5 47 14 1 16 2 6 38 16 4 18 9 Min Rated Max Btu h 5 000 36 000 48 000 18 660 48 000 55 200 21 770 56 000 64 400 Heating kw 1 61 12 4 15 5 6 29 16 2 18 6 7 34 18 9 20 8 Btu h 5 500 41 400 53 000 21 460 55 200 63 480 25 030 64 400 70 840 Nominal Input Cooling kw 0 6 3 28 4 80 2 16 4 90 5 50 2 57 5 83 6 50 Min Rated Max Heating kw 0 95 3 34 5 10 2 22 5 04 5 70 2 91 6 61 7 45 Nominal Capacity and Nominal Input Indoor Units ABNH366GLAB C ABNH486RLAB C ABNH606RLAB C UB36 NGB C UB48 NRB C UB60 NRB C Outdoor Units AUUW366B AUUW4860 AUUW6060 UU36W UHB UU48W
37. 1 on the next page TERA Note range of selection is from 1 254 Since the display is two Digit only If the range selection is above 100 then the third digit will appear in the screen as shown Timer Shift the fan speed mode by pressing the fan speed button And then Adjust numbers of next steps by repeating the stage 3 In this example the numbers are 220 and 235 respectively Push the Timer and Wind button simultaneously for more than 3 seconds Then Wind Data is memorized by the EEPROM of the main PCB AC 8010 SWING OPERATION SET TEMP FAN SPEED 808 FUNCTION 5 Timer Service Manual 55 Table 7 1 Static Pressure mmAq 0 2 4 6 8 10 12 14 15 Model Name Step CMM CFM Setting Value High 16 2 2 22 21 1 su se z UB18 NHB OE Low 13 459 254 252 248 245 240 EIE 0824 NHB 20383 Low 14 494 250 240 235 230 210 ABNH306GLAB High 26 5 936 153 150 150 148 130 1 0830 NGB Med 23 812 173 173 175 175 170 155 Low 20 706 190 190 190 190 190 190 ABNH366GLAB High 32 1130 230 230 225 220 150 1 UB36 NGB Med 29 1024 240 238 237 235 230 220 Low 26 5 936 245 245 243 243 240 240 ABNH486RLAB High 40 1412 230 225 220 215 205 200 190 180
38. 5 1 8 Fan Motor Type Induction Induction Induction Fan Type Turbo Fan Turbo Fan Turbo Fan Motor Output x Number of Unit 52 5 1 58 5 1 107 1 Air Flow Rate cmm 25 23 21 32 30 28 34 32 30 H M L cfm 883 812 742 1059 988 918 1200 1130 1059 Capacitor uF Vac 2 5 440 6 400 6 400 Drive Direct Drive Direct Drive Direct Drive Coil Row x Column x FPI mm 2R x 12C x 21 2R x 12C x 21 2R x 12C x 21 Dimensions Body mm inch 840 288 840 33 1 11 3 33 1 840 288 840 33 1 11 3 93 1 840 288 840 33 1 1 1 3 33 1 WxHxD Decorative Panel mm 950 30 950 37 4 1 2 37 4 950 30 950 37 4 1 2 37 4 950 30 950 37 4 1 2 37 4 Weight Body kg Ibs 32 70 4 32 70 4 32 70 4 Decorative Panel kg lbs 5 11 5 11 5 11 Air Filter Long life filter Long life filter Long life filter Sound Level H M L dB A 3 40 38 36 43 41 39 50 47 43 Piping Liquid mm inch 6 35 1 4 9 52 3 8 9 52 3 8 Connections Gas mm inch 15 88 5 8 19 05 3 4 19 05 3 4 Drain OD ID mm 32 25 32 25 32 25 Dehumidification Rate 4 0 5 5 6 5 Safety devices Fuse Thermal protector for fan motor Fuse Thermal protector for fan motor Fuse Thermal protector for fan motor Temperature Sensor Thermistor Thermistor Thermistor Referigerant R 410A R 410A R 410A Referigerant Control LEV LEV LEV Connectable outdoor unit Single A Single A Single A Power and transmission interunit cable No x mm 4 0 75 4 0 75 4 0 75 Note 1 Capacities are based on the follo
39. 5859A20001K 5859A20001K 159830 AIR CLEANER ASSEMBLY 5983A10002A 5983A10002A 249951 CONTROL BOX ASSEMBLY INDOOR 4995A10093Y 4995A10093Z 263230 1 THERMISTOR ASEEMBLY INDOOR INLET 6323A10002A 6323A10002A 263230 2 THERMISTOR ASEEMBLY PIPE INLET 6323AQ3226Y 6323AQ3226Y 263230 3 THERMISTOR ASEEMBLY PIPE OUTLET 6323AQ3226E 6323AQ3226E 266012 SWITCH ASSEMBLY FLOAT 6601A20001H 6601A20001H 266090 H V ASSEMBLY 6609A20005E 6609A20005E 267110 1 REMOTE CONTROLLER ASSEMBLY 6711A20096B 6711A20096B 267110 2 REMOTE CONTROLLER ASSEMBLY 6711420076 6711420076 268714 ASSEMBLY MAIN 68714102090 6871 10209 330870 DRAIN PAN ASSEMBLY 3087 10010 3087 10010 346810 MOTOR ASSEMBLY INDOOR 46814200512 4681A20051W 349490 ORIFICE ASSEMBLY 4949A10007B 4949A10007B 352118 1 TUBE ASSEMBLY MENIFOLD INDOOR 5211A20251Q 5211A20251K 352118 2 TUBE ASSEMBLY MENIFOLD INDOOR 5211A20251K 5211A20251U 354211 1 EVAPORATOR ASSEMBLY BENDING 5421A10016G 5421A10016G 354211 2 EVAPORATOR ASSEMBLY BENDING 5421A10016H 5421A10016H 359012 FAN ASSEMBLY TURBO 5901A10036A 5901A10036A 552111 TUBE ASSEMBLY CAPILLARY 5211A21137C 5211A21137C WOCZZ CAPACITOR DRAWING 3H00660M 3H00660M 152150 1 HOSE ASSEMBLY DRAIN 5251A20002
40. 800 20 300 27 600 32 200 Current Nominal running current A 0 35 0 43 0 53 0 67 Fan Motor Type Induction Induction Induction Induction Fan Type Turbo Fan Turbo Fan Turbo Fan Turbo Fan Motor Output x Number of Unit 18 4 1 22 4 1 40 371 48 671 Air Flow Rate cmm 9 5 8 7 13 12 11 15 14 13 19 17 15 H M L cfm 336 283 247 459 422 388 530 494 459 671 600 530 Capacitor uF Vac 2 5 440 2 5 440 4 440 4 440 Drive Direct Drive Direct Drive Direct Drive Direct Drive Coil Row x Column x FPI mm 2Rx11Cx19 2Rx11Cx19 2Rx11Cx19 2R x 12C x 21 Dimensions Body mm inch 570 269 570 22 4 10 5 22 4 570269 570 22410522 4 14292 74429 311529 3 744 292 744 29 3 I1 5 29 4 WxHxD Decorative Panel mm 67030 670 26 41 2 26 4 670 30 670 26 4 1 2 26 4 850 30 850 33 5 1 2 33 5 85080 090 33 5 1 2 93 5 Weight Body kg Ibs 19 41 9 19 41 9 24 52 9 24 52 9 Decorative Panel kg Ibs 3 6 6 3 6 6 3 6 6 3 6 6 Air Filter Long life filter Long life filter Long life filter Long life filter Sound Level H M L 3 38 35 32 41 39 37 43 41 39 45 42 39 Piping Liquid mm inch 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 Connections Gas mm inch 9 52 3 8 12 7 1 2 12 7 1 2 15 88 5 8 Drain OD ID mm 32 25 32 25 32 25 32 25 Dehumidification Rate 1 2 2 4 3 3 3 Safety devices Fuse Thermal protector for fan motor Fuse Thermal protector for fan motor Fuse Thermal protector for fan motor Fuse Thermal protector fan moto
41. 98 Min Rated Max Heating kw 0 45 1 10 1 35 0 59 1 65 2 37 0 63 2 21 3 07 0 70 2 44 4 50 72 Universal System Air Conditioner MPS Inverter SINGLE Nominal Capacity and Nominal Input Outdoor Units AUUW126B AUUW186B AUUW246B AUUW306B UU12W UEB UU18W UEB UU24W UEB UU30W UEB Running Current Cooling Heating A 1 6 6 5 2 0 5 8 2 3 7 5 2 6 10 6 2 3 13 2 3 3 13 7 2 3 13 0 3 3 19 7 Starting Current Cooling Heating A 17 17 31 35 Power supply 0 v Hz 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 Power Supply Cable Includes earth 3 2 5 3 2 5 3 2 5 3 2 5 Interunit Cable Includes earth No mm 4 0 75 4 0 75 4 0 75 4 0 75 Dimensions W H D mm inch 8706557900 34 325 8 12 6 870 655 320 34 22 8710 870808 320 34 331 8 12 6 870 1060 320 34 3 41 7 12 6 Net Weight Outdoor 105 46 101 52 115 69 152 80 176 Compressor Type e Scroll e Scroll e Scroll e Scroll Inverter Quantity 1 1 1 1 Model 5 5130 03 5CS130XCC03 5CS130XCC03 505130 03 Motor Input kW 1 41 1 41 1 41 1 41 Oil Charge cc 480 480 480 480 Type RB68A POE RB68A POE RB68A POE RB68A POE Compressor Type S Rotary Rotary Constant Model 5 5150 1 5KS205DAX Quantity 1 1 Motor Input kW 5 1 29 1 76 Oi
42. BODY 5220A90002C 554031 CONDENSER ASSEMBLY BENT 5403A20168B 554160 1 COMPRESSOR INVERTER 5416 90015 554160 2 COMPRESSOR CONSTANT 5416A90021A 558511 DRIER ASSEMBLY 5851A20003J 559010 FAN ASSEMBLY PROPELLER 5901A10033A 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10101R 261704 REACTOR 5874A90007A R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 268711 6 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A10117U W0CZZ 1 CAPACITOR DRAWING 2A00986X W0CZZ 2 CAPACITOR DRAWING 3H00660P 561410 COIL ASSEMBLY REVERSING VALVE 3A02028B 349480 ORIFICE 4948A20001A 435301 GRILLE DISCHARGE 3530A20006G 349600 BRACKET MOTOR 4960A10012A W49810 SUPPORTER ASSEMBLY 174 Universal System Air Conditioner 4980A20001D Exploded View 8 Parts List Model No AUU 7 4447777 444447 4477777 L Service Manual 175 Exploded View amp Replacement Parts List Parts List Part No DESCRIPTION SVC CODE LOCATION No AUUWS66B UU36 WUHB 137213 PANEL ASSEMBLY SIDE 3721A20229A 152503 NIPPLE DRAIN 5212AP3173A 567480 1 THERMISTOR ASSEMBLY INV D PIPE amp S PIPE SENSOR 6323A20020J 56748
43. Bolt Hole core drill 070mm W 3 8 or M10 length 650mm Flaring Tools set Insulated drain hose Torque Wrenches Hexagonal Wrench 4mm 5mm Gas leak detector Owner s Manual Additional Drain hose Outer Dia 25 4mm Thermometer 9 1 Selection of the best location Top view Inspection hole Install the air conditioner in the location that satisfies the fol unit mm 600X600 lowing conditions The place shall easily bear load exceeding four times the indoor unit s weight The place should have enough area for inspection as shown in figure The place where the unit shall leveled The place shall allow easy water drainage Suitable dimen sion is necessary to get a slope to drain as figure The place shall easily connect with the outdoor unit The place where the unit is not affected by an electrical noise The place where air circulation in the room will be good There should not be any heat source or steam near the unit 60 Universal System Air Conditioner Control box Front view Ceiling Concealed Duct 9 2 Ceiling dimension and hanging bolt location Installation of Unit Install the unit above the ceiling correctly POSITION OF SUSPENSION BOLT d Apply joint canvas between the unit and duct to absorb unnecessary vibration Apply
44. Btu h 5 8 15 88mm 1 4 6 35 7 5 50 30 35 48 9 4 19 05mm 3 8 9 52mm 7 5 70 30 50 Chargeless 30m 60k Btu h Extra refrigerant Extended length Rated length x Additional refrigerant Indoor unit 3 4 19 05mm 8 AN CAUTION Capacity is based on standard length and maximum allowance length is on the basis of reliability Improper refrigerant charge may result in abnormal cycle Oil trap should be installed every 10 meters 3 8 9 52 Outdoor unit Indoor unit 94 Universal System Air Conditioner Outdoor unit 50 Chargeless 30m Outdoor unit Troubleshooting Guide Ill Troubleshooting Guide Self diagnosis Function 96 Cycle Troubleshooting Guide 97 Electronic Parts Troubleshooting Guide 98 General Information J J J J 103 Service Manual 95 Troubleshooting Guide Self diagnosis Function E Error Indicator The function 15 to self diagnoisis airconditioner and express the troubles identifically if there is any trouble Error mark is ON OFF the operation LED of evapora
45. FLOAT 6601A20001G 6601A20001G 266090 H V ASSEMBLY 6609A20005C 6609A20005C 267110 1 REMOTE CONTROLLER ASSEMBLY 6711A20096B 6711A20096B 267110 2 REMOTE CONTROLLER ASSEMBLY 6711A20076J 6711A20076J 330870 DRAIN PAN ASSEMBLY 3087A10002A 3087A10002A 346811 MOTOR ASSEMBLY SINGLE 4681AC2026E 4681AC2026C 35211 TUBE ASSEMBLY SUCTION INDOOR 5211A20243M 5211A20243N 354211 EVAPORATOR ASSY BENDING 5421A10006A 5421A10006A 359011 FAN TURBO 5900A10004A 5900A10004A 352118 TUBE ASSEMBLY MENIFOLD INDOOR 52114202415 5211A20241R WOCZZ CAPACITOR DRAWING 3H00660N 3H00660N 268714 PWB PCB ASSEMBLY MAIN 6871A10209E 6871A10209F 349600 BRACKET MOTOR 4960A20010A 4960A20010A 152510 1 HOSE ASSEMBLY DRAIN 5251A20002A 5251A20002A 152510 2 HOSE ASSEMBLY DRAIN 5251AP2984A 5251AP9984A Z Z U Di Di Di Z c D gt gt Service Manual 157 Exploded View amp Replacement Parts List LOCATION No DESCRIPTION Part No ATNH246FLFB UT24 NFB ATNH306FLFB UT30 NFB SVC CODE 130411 BASE ASSEMBLY WELD INDOOR 3041A10030B 3041A10030B 130911 1 CABINET ASSEMBLY INDOOR 3091A10051C 3091A10051C 130911 2 CABINET ASSEMBLY INDOOR 3091A10051D 3091A10051D 158591 PUMP ASSEMBLY WATER
46. Instant over current The abnormal connection of U V W 21 DC Peak Over Rated current Over load condition Poor insulation of IPM Overcharging of refrigerant Pipe length Poor insulation of compressor Comp Resistance Q at 20 C Copper Comp pipe 10 Check Point 1 Check the wire connection U V W 2 Check the load condition Refrigerant Pipe length Inverter comp Terminal Constant comp _ 0 64 0 8 0 8 U V V W 0 64 W U 0 64 0 8 Resistance Q at 20 Inverter comp Terminal Constant comp U GND 2MQ 2MQ V GND 2MO 2MO W GND 2MO 2MO gt Adjust the load condition 3 Check the electricity leakage of the compressor Normal Over 2 4 Check the resistance of compressor gt Normal 0 650 0 8Q Cons gt No difference at each terminal 5 Check the insulation from water at IPM part Check the trace of water 6 Check the IPM circuit 110 Universal System Air Conditioner 6 Troubleshooting CH21 CH22 Troubleshooting Guide Title Cause of error Check point amp Normal condition Malfunction of compressor 21 Max C T Over current 14 1 uuu Refrigerant pipe length blocked C T Malfunction of current detection circuit Internal circuit Is 4 0Vdc 25A Check
47. Model AVNH126ELAB AVNH186BLAB AVNH246BLAB AVNH306BLAB UV12 NEB UV18 NBB UV24 NBB UV30 NBB Power Supply V Hz 11220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 Cooling Capacity kW 3 52 5 27 7 03 7 74 Btu h 12 000 18 000 24 000 26 400 Heating Capacity kW 4 04 5 95 8 09 8 88 Btu h 13 800 20 300 27 600 30 300 Current Nominal running current A 0 56 0 56 0 56 0 56 Fan Motor Type Induction Induction Induction Induction Fan Type Cross Flow Fan Cross Flow Fan Cross Flow Fan Cross Flow Fan Motor Output x Number of Unit 17 5 1 30 0 1 35 1 42 5 1 Flow Rate cmm 10 8 3 6 5 13 5 12 11 15 13 5 12 18 16 14 H M L cfm 353 293 230 437 424 388 590 477 424 636 564 494 Capacitor uF Vac 1 5 370 1 5 370 1 5 370 1 5 370 Drive Direct Drive Direct Drive Direct Drive Direct Drive Coil Row x Column x FPI mm 2Rx12Cx20 2 12 18 2Rx12C x20 2Rx12C x 20 Dimensions WxHxD Body mm inch 900200490954 7 919 3 1 200 205 615 47 2 8 1 24 2 1 200 205 615 47 2 124 2 1 200205 615447 20 1242 Weight Body kg Ibs 12 26 5 30 66 1 30 66 1 30 66 1 Air Filter Long life filter Long life filter Long life filter Long life filter Sound Level H M L dB A 3 40 36 31 43 40 37 45 42 39 45 42 39 Piping Liquid mm inch 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 Connections Gas mm inch 9 52 3 8 12 7 1 2 12 7 1 2 15 88 5 8 Drain OD ID mm 20 16 20 16 20 16 20 16 Dehumidification Rate 1 2 2 3 3 2 3 5 Saf
48. SVC CODE 137211 PANEL ASSEMBLY FRONT INDOOR 3721A10092A 146811 MOTOR ASSEMBLY STEP 4681A20055A 147581 LOUVER HORIZONTAL 4758A10006A 152302 FILTER MECH A C 5230A10009A 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20356A 263230 1 THERMISTOR ASEEMBLY INDOOR INLET amp PIPE OUT 6323A20004T 263230 2 THERMISTOR ASEEMBLY PIPE INLET 6323AQ3226V 266000 SWITCH PUSH 6600AP2059B 267110 1 REMOTE CONTROLLER ASSEMBLY 6711A20096A 268712 PWB PCB ASSEMBLY DISPLAY 6871A20390D 268715 PWB PCB ASSEMBLY MAIN AC 6871A20359B 268716 PWB PCB ASSEMBLY MAIN DC 6871A20358G 330780 CUT OFF 3078A20001A 330870 DRAIN PAN ASSEMBLY 3087A10018A 342800 BEARING 4280A20004A 346810 MOTOR ASSEMBLY INDOOR 4681A20131A 35211B TUBE ASSEMBLY TUBING 5211A21217B 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A25012B 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211A22007B 352150 HOSE ASSEMBLY DRAIN 5251AR2575Q 354212 EVAPORATOR ASSEMBLY FINAL 5421A10044B 359011 FAN ASSEMBLY CROSS FLOW 5901A20008E 733010 PLATE ASSEMBLY INSTALL 3301A10002A WOCZZ CAPACITOR DRAWING 3H00671A W4810 BRACKET 4810A21019A 131410 CHASSIS ASSEMBLY 3141A10009A 135500 COVER 3550A30201A 135310 GRILLE ASSEMBLY DIFFUSER INDOOR 3531A102
49. UYB UU60W UYB Nominal Capacity Cooling kw 1 47 10 6 14 1 5 47 14 1 16 2 6 38 16 4 18 9 Min Rated Max Btu h 5000 36 000 48 000 18 660 48 000 55 200 21 770 56 000 64 400 Heating kw 1 61 12 4 15 5 6 29 16 2 18 6 7 34 18 9 20 8 Btu h 5500 41 400 53 000 21 460 55 200 63 480 25 030 64 400 70 840 Nominal Input Cooling kw 0 6 3 28 4 80 2 16 4 90 5 50 2 57 5 83 6 50 Min Rated Max Heating kw 0 95 3 34 5 10 2 22 5 04 5 70 2 91 6 61 7 45 74 Universal System Air Conditioner MPS Inverter SINGLE Nominal Capacity and Nominal Input Outdoor Units AUUW366B AUUW4860 AUUW6060 UU36W UHB UU48W UYB UU60W UYB Running Current Cooling Heating A 2 9 20 9 4 6 23 1 8 5 26 6 8 6 27 3 9 3 31 3 10 1 35 5 Starting Current Cooling Heating A 67 43 74 Power supply 0 v Hz 1 220 240 50 1 220 240 50 1 220 240 50 Power Supply Cable Includes earth 3 5 0 3 5 0 3 5 0 Interunit Cable Includes earth 4 0 75 4 1 25 Includes earth 4 1 25 Includes earth Dimensions W H D mm inch 90041105370 35 4 45 8 14 5 806 1 507 690 31 7 59 3 27 1 806 1 507 690 31 7 59 3 27 1 Net Weight Outdoor kg Ibs 105 231 142 312 148 326 Compressor Type e Scroll e Scroll e Scroll Inverter Quan
50. and the signal receptor Do not drop or throw the remote controller Do not place the remote controller in a location exposed to direct sunlight or near the heating unit or any other heat source Block a strong light over the signal receptor with a curtain or etc so as to prevent the abnormal operation ex elec tronic quick start ELBA inverter type fluorescent lamp 24 Universal System Air Conditioner Ceiling Cassette 4 way 8 Installation Please read this instruction sheet completely before installing the product When the power cord is damaged replacement work shall be performed by authorized personnel only Installation work must be performed in accordance with the national wiring standards by authorized personnel only Anti bacteria filter Intake Air Outlet Required Parts Required Tools Connecting cable Level Pipes Gas side Screw driver Liquid side Electric drill Hanging Bolt Hole core drill 270 W 3 8 or M10 length 650mm Insulated drain hose Flaring Tools set Torque Wrenches Hexagonal Wrench 4mm 5mm Gas leak detector Owner s Manual Additional Drain hose Inner Diameter 32mm Thermometer 8 1 Selection of the best location There should not be any heat source or steam near the unit There should not be any obstacles to the air circula tion There should be provision of ea
51. e LOW PRESSURE CN PRESS SWITCH CONS COMP GND 2 GND 1 Power Indoor Supply Unit Notes BL BLUE BK BLACK BR BROWN RD RED OR ORANGE WH WHITE YL YELLOW GN YL GREENYELLOW FIELD WIRING 84 Universal System Air Conditioner MPS Inverter SINGLE AUUW4860 0048 WUYB AUUW6060 0060 WUYB INV COMP A WIRING DIAGRAM REACTOR CN COIL1 CN COIL2 PIPE LENGTH B NUMBER PIN e SW1 S W_ADDRESSING 8 8 MAIN PCB ASSY CN HEATER 00009 CN WRITER CN JIG PC CN CENTRAL CN HEATER2 TH2 1 CN C FAN X HISINK I AIR PIPE SUC DISP A DISP C DISP B OIL CN OILIS ERATOR LOW PRESSURE SWITCH CONS COMP C Power Supply 10 220 240V 50Hz I j BR BROWN I vH ri OR ORANGE Single onl RD RED i Tm LUE WH WHITE L 2 N 1 TUNES S 1 L 2 N YL YELLOW GN YL GREEN YELLOW WIRING OF FIELD s Du e CONNECTING WIRE 3854A20354W OUTDOOR FAN MOTOR SOLENOID VALVE LINEAR EXPANSION VALVE INV INVERTER T B TERMINAL BLOCK FM HEAT SINK COOLING FAN MOTOR CONS CONSTANT TYPE Tm MAIN TERMINAL BLOCK numser Pin INDOOR NUMBER INDICATING SWITCH THERMISTOR RELAY AUTO ADDRESSING SWITCH Service Manual 85 MPS Inverter SINGLE 5 Piping Diagram AUUW186B 0018 WUEB OUTDOOR UNIT Refri
52. for installation Owner s manual Installation manual for gas pipe 27 for liquid pipe No Item Type Model No Component Parts Wireless remote control 1EA 1 Wireless remote With air purifying Holder 1EA AH control function WRAD Battery 2EA e Screw 2EA Central control 2 Central control Simple PQCSA101S0 Installation manual PCB 1EA 3 485 Gateway For central control PHNFP14A0 Installation manual Wire assembly 30 Universal System Air Conditioner Ceiling amp Floor E Ceiling amp Floor Ceiling amp Floor R410A Indoor Units AVNH EL BL Contents 1 Features amp Benefits 32 2 List 33 DOG CICA ae 34 4 Dimensional Drawings 35 Wiring u T 37 Piping A Tu 38 7 Operating 5 2 22 39 Eli e as 40 FACCOSSONES 44 Service Manual 31 Ceiling amp Floor 1 Features amp Benefits E Flexible Installation Low noise 4 Way Airflow Direction Control Automatic Vertical airflow amp Manual Horizontal airflow Wireless Remote Control Flexible Installation It can be installed on the floor or ceiling according to your need Ceiling In
53. for the drain of the convertible type air conditioner 2 Minimum thickness of the insulation for the connecting pipe shall be 7mm 3 If the Installation Plates are fixed to horizontal line the indoor unit after installing will be declined to the bottomside The unit must be horizontal or declined to the drain hose connected when finished installation Ceiling Z Drain hose Ceiling The unit must be declined to the bottomside orina pnrt when finished installation eiling 42 Universal System Air Conditioner Ceiling amp Floor CAUTION After the confirmation of the above conditions prepare the wiring as follows 1 Never fail to have an individual power specially for the air conditioner As for the method of wiring be guided by the circuit diagram pasted on the inside of control box cover 2 Provide a circuit breaker switch between power source and the unit 3 The screw which fasten the wiring in the casing of electrical fittings are liable to loose due to vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90
54. is displayed in LCD Check the contact of CN DISP 1 connector screen replace battery MEL lE When the detect switch double key inside the Check DISP PWB Ass y remote controller door is fault it is impossible to Voltage between CN1 DC 45V operate temperature regulating A W and wind speed selecting Check the Display 5 Check receiver ass y Service Manual 99 Troubleshooting Guide Trouble 3 The Compressor Outdoor Fan don t operate Turn on the main power Operate Cooling Mode by setting the disired temperature of the remote controller is less than one of the Indoor temperature by 1 C at least d When in air circulation mode compressor outdoor fan is stopped d Check the sensor for Indoor temperature is attatched as close as to be effected by the themperature of Heat Exchange EVA d When the sensor circuit for Indoor temperature and connector are in bad connection or are not engaged Compressor Outdoor fan is stopped e Check the related circuit of RO2H 12 1K RO1H 1K RO4H 6 2K 1 CO1H 102 2 102 Micom pin 40 42 Check the Indoor temperature sensor is disconnected not about 10K at 25 d Check the Relay RY PWR RY START for driving C
55. is pressed and stops when the button is pressed again OPERATION MODE SELECTION BUTTON Used to select the operation mode ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps low medium high and CHAOS JET COOL Used to start or stop the speed cooling heating Speed cooling heating operates super high fan speed CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction ON OFF TIMER BUTTONS Used to set the time of starting and stopping opera tion TIME SETTING BUTTONS Used to adjust the time SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature PLASMA OPTIONAL Used to start or stop the plasma purification func tion RESET BUTTON Initialize remote controller 2nd F Button Used prior to using modes printed in blue at the bottom of buttons Aim at the signal receiver on the wired remote controller so as to operate remote control signal be received at a distance of up to about 7m e Be sure that there are no obstructions between the remote controller
56. outer edge of the paper pattern The following parts are local purchasing CAUTION Hanging Bolt W 3 8 or M10 Nut W 3 8 M10 Tighten the nut and to prevent unit from Spring Washer M10 falling off Plate Washer M10 8 3 Wiring Connection Open the control box cover and connect the remote control cord and Indoor power wires Indoor o gt power cord gt Rem lt controller Control box cover Air inlet side view cord i Control box cover fitting screw 2 units Terminal Block in Indoor 10 2 3 4 Connected to outdoor unit VN WARNING Make sure that the screws of the terminal are free from looseness Service Manual 27 Ceiling Cassette 4 way 8 4 Installation of Decoration Panel The decoration panel has its installation Before installing the decoration panel direction always remove the paper template Temporarily fix two decoration panel fixing screws hexagon 5 screw on the unit body Tighten by amount 10mm in length The fixing screws hexagon M5 screw are included the indoor unit box 2 Remove the air inlet grille from the decoration panel Remove the hook for the air inlet grille cord 3 Hook the decoration panel key hole C on the screws fixed in step above and slide the panel so that the sc
57. supply cable There is risk of fire or failure of product There is risk of electric shock or fire Do not open the inlet grill of the product during cautious that water could not enter the operation Do not touch the electrostatic filter product if the unit is so equipped e There is risk of physical injury electric shock or prod There is risk of fire electric shock or product damage uct failure CAUTION Bi Installation Always check for gas refrigerant leakage after Install the drain hose to ensure that water is installation or repair of product drained away properly Low refrigerant levels may cause failure of product A bad connection may cause water leakage Service Manual 5 Safety Precautions Keep level even when installing the product Use two or more people to lift and transport the product To avoid vibration or water leakage Avoid personal injury Operational Use a soft cloth to clean Do not use harsh Do not touch the metal parts of the product detergents solvents etc when removing the air filter They are very sharp There is risk of fire electric shock or damage to the There is risk of personal injury plastic parts of the product Do not step on or put anyting on the product Do not insert hands or other objects through outdoor units the air inlet or outlet while the product is oper ated There is risk of personal injury and fa
58. the rated current Temp difference over 8 C Normal Notice Temperature difference between intake and discharge air depends on room air humidity When the room air humidity is relatively higher temperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of refrigeration cycle Suction pressure Temperature Compared with Compared with Cause of Trouble Description the normal value the normal value High Defective compressor Current is low Higher Normal Excessive amount of High pressure does not quickly refrigerant rise at the beginning of operation Insufficient amount of Current is low Lower Higher refrigerant Leakage Clogging Notice 1 The suction pressure is usually 7 10 5 kg cm G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty Service Manual 97 Troubleshooting Guide Electronic Parts Troubleshooting Guide AUUW126B AUUW186B Refer to electronic contorol device drawing amp schematic diagram Trouble 1 The Product doesn t operate at all Turn off the main power and wait until LED on outdoor PCB is off the main power again m Does Beeping sound is made from the indoor unit Check the voltage of power AC220V AC240V 50Hz
59. 0 2 THERMISTOR ASSEMBLY CONDENSOR amp AIR SENSOR 6323A20020H 263230 1 THERMISTOR ASSEMBLY CONSTANT D PIPE SENSOR 6323A20001K 352112 TUBE ASSEMBLY COUPLING 5211A10433C 430411 BASE ASSEMBLY WELD OUTDOOR 3041A20047K 435301 GRILLE DISCHARGE 3530AP1225D 435511 COVER ASSY CONTROL OUTDOOR 3A01293X 435512 COVER ASSEMBLY TOP OUTDOOR 3550AP1213B 437210 PANEL ASSEMBLY FRONT SUB 3720AP1212B 437212 PANEL ASSEMBLY REAR OUTDOOR 3720AP1202C 447910 BARRIER ASSEMBLY OUTDOOR 4791A20012E 546810 1 MOTOR ASSEMBLY OUTDOOR 4681 20028 546810 2 MOTOR ASSEMBLY OUTDOOR 4681A20028Q 552111 TUBE ASSEMBLY CAPILLARY 5211A10430E 552113 TUBE ASSEMBLY CONDENSER OUT 5211A21457A 552116 TUBE ASSEMBLY REVERSING 5211A21188C 548490 ACCUM ASSEM 5211A21187A 552203 1 VALVE SERVICE INVERTER 5220A20013A 552203 2 VALVE SERVICE CONSTANT 5220A20007A 554031 1 CONDENSER ASSEMBLY BENT 5403A201 16 554031 2 CONDENSER ASSEMBLY BENT 5403A20116L 554160 1 COMPRESSOR INVERTER 5416A90015A 554160 2 COMPRESSOR CONSTANT 5416A90017A 558511 DRIER ASSEMBLY 5851A20002A 559010 FAN ASSEMBLY PROPELLER 5901A10032A 566000 SWITCH PRESSURE 3A02524F 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10118E 268711 6 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A10117V W6920 RELAY 6920AP3400A WOCZZ 1 CAPACITOR DRAWING 2A00986D WOCZZ 2 CAPACITOR DRAWING 2 00986 352114 TUBE ASSEMBLY DISTRIBUTOR 5211A21190A 349600 BRACKET MOTOR 4960A10004A
60. 1 Bj R410A Indoor Units ABNH HL GL RL Contents 1 Features amp Benefits 46 mq 48 5 Um 49 4 Dimensional Drawings nne keen 51 Wiring Diagrams 52 Piping 5 53 5 Setting for Ree 54 8 OPERATIONG INSTRUCTION 58 le u uu 60 PAKEL 65 Service Manual 45 Ceiling Concealed Duct 1 Features amp Benefits Easy Installation Compact amp light design 5 Control High head drain pump 700mm Accessory E me e Comfort amp Reliability e Low noise design i 2 Thermistor control Main body amp Remote control Zero stanby power consumption B Convenience Tele control Accessory LCD wired remote control Group control Zone control Accessory Central control Accessory Weekly progam Cleanness Plasma air purifying system Accessory Hygienic and easy to clean filter Easy Installation Flexible Duct is easy to install regardless of room size or heater position Canvas I
61. 160 0848 35 1235 250 245 240 235 230 220 215 210 200 Low 30 1059 255 255 255 250 245 240 235 230 225 ABNH606RLAB High 50 1766 185 180 174 162 154 140 90 5 1 UB60 Med 45 1589 210 205 199 191 189 180 155 138 110 Low 40 1423 230 225 219 215 210 205 193 180 171 Note 1 get the desired Airflow amp E S P combination from the table set the matching value from the table Value other than that in table will not give the combinations of airflow amp ESP which are mentioned in the table 2 Table 7 1 is based at 230V According to the fluctuation of voltage air flow rate varies 56 Universal System Air Conditioner Ceiling Table 7 2 Static Pressure mmAq Setting 2 4 6 8 10 12 14 15 Model Name Step Ja 0 ER D I 220771 24 198689 183646 16568 sue 29 174600 62572 145612 340 16156 156551 151639 14250 13459 High 1 2404 225795 208735 19 671 18636 ABNH246HLAB Med 10 213052 194003 187660 172607 165083 UB24 NHB Low 20 17600 1641569 15551 147519 14494 High 134 21208 331169 3170119 29 9 1056 277 978 26536
62. 263230 1 THERMISTOR ASEEMBLY INDOOR INLET 6323AQ3214E 6323AQ3214E R 263230 2 THERMISTOR ASEEMBLY PIPE INLET 6323AQ3226V 6323AQ3226V R 263230 3 THERMISTOR ASEEMBLY PIPE OUTLET 6323AQ3226E 6323AQ3226E R 336600 1 HOUSING MECH WRAPPER 3660A20044A 3660A20044A R 336600 2 HOUSING MECH WRAPPER 3660A20045A 3660A20045A R 346810 MOTOR ASSEMBLY INDOOR 4681A10032A 4681A10032A R 359012 1 FAN ASSEMBLY BLOWER 5901A10051A 5901A10051A R 359012 2 FAN ASSEMBLY BLOWER 5901A10053A 5901A10053A R WOCZZ CAPACITOR DRAWING OCZZA20001B 0 22 20001 R 354210 EVAPORATOR ASSEMBLY FIRST 54214202128 54214202108 R 330870 DRAIN PAN ASSEMBLY 3087A20025A 3087A20025A R 249951 1 CONTROL BOX ASSEMBLY INDOOR 4994A20001C 4994A22001C R 249951 2 CONTROL BOX ASSEMBLY INDOOR 4995A22003G 4995A22003H R 268714 PWB PCB ASSEMBLY MAIN 6871A10131N 6871A10131P R 267110 2 REMOTE CONTROLLER ASSEMBLY 6711A10008D 6711A10008D R 152302 FILTER MECH A C 5230A30017A 5230A30017A R 164 Universal System Air Conditioner Exploded View 8 Parts List Ceiling amp Floc AVNH EL SSS i Service Manual 165 Exploded View amp Replacement Parts List AVNH BL 166 Universal System Air Conditioner Parts List LOCATION No DESCRIPTION Part No Exploded View amp Replacement Parts List AVNH126ELAB UV12 NEB
63. 3531A10066A 3531A10066A R 152312 FILTER ASSY AIR CLEANER 5231A10004A 5231A10004A R 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20096J 6871A20096J R 135802 DOOR 3580A20005A 3580A20005A R 182 Universal System Air Conditioner 3828 22009 Printed Korea
64. 410 ASSEMBLY OUTDOOR 3041A10058C 3041 10058 435310 GRILLE ASSEMBLY FRONT OUTDOOR 3531 102660 3531 102660 435301 GRILLE DISCHARGE 3530A20117A 3530A20117A 435512 COVER ASSEMBLY TOP OUTDOOR 3551A10062A 3551A10062A 437211 PANEL ASSEMBLY FRONT OUTDOOR 3721 10107 3721 10107 447910 1 BARRIER ASSEMBLY OUTDOOR 4791 10022 4791 10022 447910 2 BARRIER ASSEMBLY OUTDOOR 4791A20035A 4791A20035A 55211E TUBE ASSEMBLY CHECK VALVE 5211A23023C 5211A23023B 546810 MOTOR ASSEMBLY OUTDOOR 4681A10014H 4681A10014H 548490 1 ACCUMULATOR ASSEMBLY MECH 4849A10003F 4849A10003F 548490 2 ACCUMULATOR ASSEMBLY MECH 4849A10041D E 4849A10041D 549610 MOUNT ASSEMBLY MOTOR OUTDOOR 4961A20028B 4961A20028B 552112 1 TUBE ASSEMBLY CONDENSER IN 5211A10480A 5211A10480A 552112 2 TUBE ASSEMBLY CONDENSER IN 5211A10480B 5211A10480B 552112 3 TUBE ASSEMBLY CONDENSER IN 5211A10480E 5211A10480E 552112 4 TUBE ASSEMBLY CONDENSER IN 5211A10480F 5211A10480F 552113 1 TUBE ASSEMBLY CONDENSER OUT 5211 10481 5211 10481 552113 2 TUBE ASSEMBLY CONDENSER OUT 5211A10481B 52114104818 552116 ASSEMBLY REVERSING 5211A21324C 5211A21324C 55211G TUBE ASSEMBLY EXPANSION 5211 11049 5211 11049 552203 1 VALVE SERVI
65. 48A 135313 GRILLE ASSEMBLY INLET 3531A10247A 147582 LOUVER VERTICAL 4758AP4249A 145200 LINK 4520A3063A DDD D DIDDI Di Di Di Di Z ZD Dy DI Di Di Di Di Dy Dy DISD 2 2 Service Manual 167 Exploded View amp Replacement Parts List LOCA TION No DESCRIPTION Part No AVNH186BLAB UV18NBB AVNH246BLAB UV24 NBB AVNH306BLAB UV30 NBB 135314 GRILLE ASSEMBLY INLET SUB 5237AP2817B 5237AP2817B 5237AP2817B 137211 PANEL ASSEMBLY FRONT INDOOR 3720AP2767P 3720AP2767P 3720AP2767P 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 4681A20055A 152302 FILTER MECH A C 5230AP7093A 5230AP7093A 5230AP7093A 263230 1 THERMISTOR ASEEMBLY INDOOR INLET 6323A30004D 6323A30004D 6323A30004D 263230 2 THERMISTOR ASEEMBLY PIPE INLET 6323 03226 6323 03226 6323AQ3226Y 263230 3 THERMISTOR ASEEMBLY PIPE OUTLET 6323A30002C 6323A30002C 6323A30002C 266000 1 SWITCH PUSH 6600AP2059A 6600AP2059A 6600AP2059A 266000 2 SWITCH PUSH 6600AP2059A 6600AP2059A 6600AP2059A 235450 DISPLAY ASSEMBLY MECH 3545AP7224E 3545AP7224E 3545AP7224E 237900 WINDOW DISPLAY 3790AP7080A 3790AP7080A 3790AP7080A 267110 1 REMOTE CONTROLLER ASSEMBLY 6711 20096 6711 20096 6711 20096 268712 PWB PCB ASSEMBLY DISPLAY
66. 7 00 12 00 12 00 12 00 Auto Restart Operation Whenever there is electricity failure to the unit and after resumption of the power unit will start in the same mode prior to the power failure Memorized condition are on off condition operating mode cooling heating set temperature and fan speed The unit will memorize the above conditions and start with same memorized condition Two Thermistor Control There may be a significant difference between the temperature taken at the installed product and indoor tem perature Two thermistor control provides option to control temperature by referring any of the two tempera tures With the help of the slide switch at the back of the LCD wired remote controller selection of the desired thermistor for controlling the unit can be done One thermistor is in the Indoor unit amp the other one is in the LCD wired remote Group Control It enables to control as much as 16 units with the help of one wired remote controller All the units will follow same setting of temperature amp other sub func tions Central Control Accessory It enables to control 16 x 8 128 units with the help of 8 controllers All units can be put on and off from one Central Room For Setting Temperature Fan mE Speed and other sub functions access the respec tive LCD wired remote controller of each unit K Sub PlI485 with wire assembly should be pur ch
67. 96B 6711A20096B 6711A20096B 267110 2 REMOTE CONTROLLER ASSEMBLY 6711420076 6711A20076J 6711A20076J 330870 DRAIN PAN ASSEMBLY 3087A10006A 3087A10006A 3087A10006A 346810 MOTOR ASSEMBLY INDOOR 4681A20006J 4681A20006H 4681A20006M 354211 1 EVAPORATOR ASSY BENDING 5421 10016 5421A10016A 5421A10016A 35421 1 2 EVAPORATOR ASSY BENDING 5421A10016B 5421A10016B 5421A10016B 552111 ASSEMBLY CAPILLARY 52114203165 5211A20316R 5211A20316R 352118 1 TUBE ASSEMBLY MENIFOLD INDOOR 5211A20251R 5211A20251W 5211A20251A 352118 2 ASSEMBLY MENIFOLD INDOOR 52114202518 52114202518 52114202518 359012 ASSEMBLY TURBO 5900A10003B 5900A10003B 5900A10003B W0CZZ CAPACITOR DRAWING 3H00660M 2A00986D 2A00986D 268714 PWB PCB ASSEMBLY MAIN 6871 10209 6871 10209 6871 102091 352150 ELBOW 5212A20004A 5212A20004A 5212A20004A 352150 HOSE DRAIN ASSEMBLY 5251AP2984A 5251AP2984A 5251AP2984A 249941 CASE CONTROL INDOOR 4994 10020 4994 10020 DI DIDI D D DI D DI DIDID D 4994A10020H Service Manual 159 Exploded View amp Replacement Parts List ABNH HL ABNH GL 160 Universal System Air Conditioner Exploded View 8 Parts List
68. A w ROSC EA INPUT VOLT 25 1 Check the power source 2 Check the components Trans1 B Diode Diode Resistance Service Manual 113 Troubleshooting Guide 9 Troubleshooting CH26 CH27 pid Title Cause of error Check point amp Normal condition Check the connection of comp wire U V W DC Compressor an 26 wenu Compressor Malfunction of compressor position detect error Check the component of IPM detection parts Check the component of IGBT PSC Faul 4 27 ault Over current at IGBT Check the components Check Point CH 26 CH 27 1 Check the connection of U V W 1 Check the component of IGBT 2 Check the insulation of IPM part 2 Check the components 3 Check the compressor same with CH21 IGBT 045 80025 114 Universal System Air Conditioner Troubleshooting Guide 10 Troubleshooting CH32 CH33 SC Title Cause of error Check point amp Normal condition D pipe Inverter Check the discharge pipe sensor for INV 32 temp high Discharge sensor Check the install condition for over load 105 C T Inverter temp high Check the leakage of refrigerant Check the SVC open Check the discharge pipe sensor for Cons Discharge sensor Check the install condition for over load 33 105 C 1 5 temp high Check the leakage of refrigerant Check th
69. B 5251A20002B 152150 2 HOSE ASSEMBLY DRAIN 5251AP2984A 5251AP2984A W48300 MOTOR BUSHING 158 Universal System Air Conditioner 4830A30003C 4830A30003C DID DD Di DID DU DU DIDI Di Di Di Parts List LOCA TION No DESCRIPTION Exploded View amp Replacement Parts List Part No ATNH366DLFB UT36 NDB ATNH486DLFB UT48 NDB ATNH606DLFB SVC CODE UT60 NDB 130411 BASE ASSEMBLY WELD INDOOR 3041A10016A 3041 10016 3041 10016 130911 1 ASSEMBLY INDOOR 3091 20035 3091 20035 3091 20035 180911 2 ASSEMBLY INDOOR 3091 20035 3091 20035 3091 20035 158591 PUMP ASSEMBLY WATER 5859A20001D 5859A20001D 5859A20001D 266012 SWITCH ASSY FLOAT 6601A20001F 6601A20001F 6601A20001F 159830 AIR CLEANER ASSEMBLY 5983A10003D 5983A10003D 5983A10003D 249951 CONTROL BOX ASSEMBLY INDOOR 4995 220047 4995 22004 4995A20168A 263230 1 THERMISTOR ASEEMBLY INDOOR INLET 6323A10002B 6323A10002B 6323A10002B 263230 2 THERMISTOR ASEEMBLY PIPE INLET 6323AQ3226T 6323AQ3226T 6323AQ3226T 263230 3 THERMISTOR ASEEMBLY PIPE OUTLET 6323A30002A 6323A30002A 6323A30002A 266090 H V ASSEMBLY 6609A20005H 6609A20005H 6609A20005H 267110 1 REMOTE CONTROLLER ASSEMBLY 6711A200
70. B UT24 NFB 6 35 1 4 ATNH306FLFB UT30 NFB 15 88 5 8 ATNH366DLFB UT36 ATNH486DLFB 0748 19 05 3 4 45 20 ATNH606DLFB 0760 NDB 22 Universal System Air Conditioner Ceiling Cassette 4 way 7 Operating Instructions Name and Function of Remote Controller AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION E Es AX PATO Heater Preheat 4 Heat Pump Model CI ss 588 3 17 2 Cooling Model 19 N Saak gt e 12 Hu KOA 13 o 4 Plasm 13 1 Operation display Displays the operation conditions 2 On Off Button Operation starts when this button is pressed and stops when the button is pressed again 3 Set Temperature Button Used to set the temperature when the desired tem perature is obtained 4 FAN Operation Button Used to circulate room air without cooling or heating 5 Fan Speed Jet Cool Button 4 way Used to set the desired fan speed or select Jet cool mode 6 Operation Mode Selection Button Used to select the operation mode Auto Operation Mode Cooling Operation Mode Soft Dry Operation Mode Heating Operation Mode except cooling model 7 Auto Swing Button Used to swing up and down 8 Room Temperature Checking Button Used to check the room temperature 9 9 Plasma Air Clean Button optional 10 Cancel Button
71. CE 2 00499 2 00499 552203 2 VALVE SERVICE 5220420001 5220A20001 J 554030 1 CONDENSER ASSEMBLY FIRST 5403A21003E 5403A21003E 554030 2 CONDENSER ASSEMBLY FIRST 5403A21003F 5403A21003F 554030 3 CONDENSER ASSEMBLY FIRST 5403A21003G 5403A21003G 554030 4 CONDENSER ASSEMBLY FIRST 5403A21003H 5403A21003H 554160 1 COMPRESSOR INVERTER 5416A90015A 5416A90015A 554160 2 COMPRESSOR CONSTANT 5416A90021A 5416A90021A 554160 3 COMPRESSOR CONSTANT 5416A90021A 5416A90017A 558511 DRIER ASSEMBLY 5851A20002A 5851A20002A 559010 FAN ASSEMBLY PROPELLER 5901A10029A 5901A10029A 561410 1 COIL ASSEMBLY REVERSING VALVE 6141A20013W 6141A20013W 561410 2 COIL ASSEMBLY REVERSING VALVE 6141A20024A 6141A20024A 661400 COIL ASSEMBLY EXPANSION 6141A30003P 6141A30003P 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10145F E 4995A10145F 261704 REACTOR 5874A90006A 5874A90006A D D UD 57 5115 D m m m m D 20 5 Dl DD DD 57 20 5 2020 20 20 268711 6 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A10117W 6871A10117X WOCZZ 1 CAPACITOR DRAWING 2A00986Y 2A00986Y WOCZZ 2 CAPACITOR DRAWING 2A00986C 2A00986C WOCZZ 3 CAPACITOR DRAWING 2A00986A 435312 GRILL ASSEMBLY REAR OUTDOOR 178 Un
72. Ceiling 7 2 2 1 CORRECT CAUTION FOR GRADIENT OF UNIT AND DRAIN PIPING Alway lay the drain with downward inclination 1 50 to 1 100 Prevent any upward flow or reverse flow in any part 5mm or thicker formed thermal insulator shall always be provided for the drain pipe CORRECT Install the P Trap or U Trap to prevent a water leakage caused by the blocking of intake air filter Drain Pump 64 Universal System Air Conditioner Drainage hole INCORRECT Drainage hole H Lay the drain hose with a downware inclination so water will drain out Thermal insulator Local supply Drainage pipe Local supply Make sure to be mos Drainage hole 2 lt INCORRECT Dimension Applied U Trap D gt 70 SP aig Pressure mmAq Ex Pressure 10mmAq U Trap A gt 70mm 8 gt 40 C gt 20mm 10 Accessories Standard Accessories Clamp metal Drain hose Insulation for fitting Screws for duct flanges Ceiling Concealed Duct 1 EA 1EA 1 set 1 set e for gas pipe c for liquid pipe Optional Accessories For Unit Owner s manual Installation manual Washers 8 pcs No Item Type Model No Component Parts Wireless remote control 1EA 1 Wireless remote With air purifying AHWRHS Holder 1EA control function AHWRH
73. D LCD 2 e Screw 2EA 2 Plasma a puirifying Plasm Air Purifier Kit 1EA filter Wired Remote Control 1EA Factory sypplied Zone control PCB 3 Zone Control ABZCA Durchased Locally Damper Damper Moter thermostat 4 Drain Pump ABDPG Drain Pump Assembly 1EA Central control 5 Central control Simple PQCSA101S0 s Installation manual PCB 1EA 6 485 Gateway For central control PHNFP14A0 e Installation manual Wire assembly Service Manual 65 Outdoor Units Introduction Bee RERO TERR ter SINGLE AUUW B 0 10 66 Universal System Air Conditioner Introduction ss MPS Inverter SINGLE Outdoor Units AUUW B AUUW 0 Models List Introduction Series Model name Power supply MPS Inverter Heat Pump AUUW126B UU12 WUER AUUW186B UU18 WUERT AUUW246B UU24 WUEB AUUWS306B 0030 WUEB AUUWS366B 0036 WUHB AUUW4860 UU48 WUYB AUUWS060 0060 WUYB 10 220 240 50Hz Indoor Unit Matching LG s SINGLE A system consist of outdoor unit which match with three different indoor units individ ual system The indoor units are ceiling cassette ceiling concealed duct and ceiling amp floor types
74. ESSURE 3A02524F 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10101N 261704 REACTOR 5874A90007A Z Di Di Di D D 268711 6 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A10117T 552201 VALVE CHECK 5220A30004A 661400 COIL ASSEMBLY EXPANSION 5220A90006A 349480 ORIFICE 4948A20005A 349600 BRACKET MOTOR 172 Universal System Air Conditioner 3A01934B gt m Model UND SCH N TNL 00006006 WAY UR R19 HAT 1 Exploded View 8 Replacement Parts List Se
75. Intake Air Temperature Setting Temperature 3 C Thermo OFF Setting Temperature Thermo ON COMP Outdoor fan Indoor fan 4way valve Compressor off interval A While the indoor Heat Exchanger temperature is higher than 35 C fan operates at low speed when it becomes lower than 35 C fan stops For eluminating latent heat loss fan operates at low speed for 10 seconds periodically 136 Universal System Air Conditioner Ceiling amp Floor Hot Start Control indoor fan does not rotate until the indoor unit Hex Exchanger temperature reaches 21 C The operation diagram is as following Indoor unit Heat Exchanger temperature 32 Compressor Outdoor fan Setting fan Setting fan 4way Valve Service Manual 137 Outdoor Units Outdoor Units 1 Basic control 1 1 Normal operation Cooling mode Heating mode Stop state Compressor Step Control Step Control stop Fan Step Control Step Control After 30sec Off EEV PID Control PID Control After 60sec Full Open 4 way valve Off On After 30sec Off PID Proportional Integrate Derivative 1 2 Compressor control Frequency Control Frequency that corresponds to a room capacity will be determined according to the room temperature outdoor temperature and the difference in the temperature of a room and the temperature set by the remote controller Comp Step Step base Long piping compens
76. Manual 149 Exploded View amp Replacement Parts List VII Exploded View amp Replacement Parts List Unit 22554225 at ee cL DI DD I T 151 Outdoor 169 Panel Assembly Front J 179 150 Universal System Air Conditioner Exploded View 8 Parts List Ceiling Cassette 4 way 12277 7 Service Manual 151 Exploded View amp Replacement Parts List 152 Universal System Air Conditioner Exploded View 8 Parts List Service Manual 153 Exploded View amp Replacement Parts List 2 P p 267110 D 154 Universal System Air Conditioner Exploded View amp Replacement Parts List ATNH DL
77. Nominal Cooling Capacity in Btu h 12 18 24 000 Btu h 30 000 Btu h 96 000 Btu h 48 000 Btu h 24 30 36 48 12 000 Btu h 18 000 Btu h Model Type W Inverter Heat Pump H Heat Pump 60 60 000 Btu h 72 72 000 Btu h 100 100 000 Btu h Indicates that this is a R410A SINGLE outdoor unit 68 Universal System Air Conditioner MPS Inverter SINGLE E MPs Inverter SINGLE SINGLE e RA10A Outdoor Units g AUUW B AUUW 0 Contents 1 Features amp Benefits 70 Espere Dee M RE A 72 EM Dimensional Drawings 76 4 80 DI89rams 86 Electric Characteristics 89 7 Operation Range 90 115 le 91 Service Manual 69 MPS Inverter SINGLE 1 Features amp 5 MPS Multi Power System Inverter Control Max 70 energy saving with MPS inverter control MPS i i i ir itioni i i i 5 inverter Multi is big energy saving air conditioning system which uses high effi Nu According to air conditioning load the operation is con trolled precisely Precise inverter frequency control for inverter compressor enables to reduce capacity of individual control units MPS Control Load 15 low Only Inverter Comp Load is high
78. OR 6323A20020G 567480 2 THERMISTOR ASSEMBLY CONDENSOR amp AIR SENSOR 6323A20020H 263230 1 THERMISTOR ASSEMBLY CONSTANT D PIPE SENSOR 6323A20001J 352113 TUBE ASSEMBLY DISCHARGE 5211A23013F 430410 BASE ASSEMBLY OUTDOOR 3041AP2741H 435300 GRILLE REAR 1A00208H 435301 GRILLE DISCHARGE 3530A20007J 435511 COVER ASSEMBLY CONTROL OUTDOOR 3A01919B 435512 COVER ASSEMBLY TOP OUTDOOR 3551A30113C 437210 PANEL ASSY FRONT SUB 1A00197C 447910 BARRIER ASSEMBLY OUTDOOR 4791A30004M 546810 MOTOR ASSEMBLY OUTDOOR 4681A20028Y 548490 ACCUMULATOR ASSEMBLY MECH 4849A22003H 552111 TUBE ASSEMBLY CAPILLARY 5211A22009F 552113 TUBE ASSEMBLY CONDENSER OUT 5211A21366A 552115 TUBE ASSEMBLY MENIFOLD OUTDOOR 5211A21440A 552116 TUBE ASSEMBLY REVERSING 5211A22111A 552203 1 VALVE SERVICE 12 7 5220A20006A 552203 2 VALVE SERVICE 6 35 5220A20007A J ZD Di Di D D Di Dl D 2 Di Di D DID D D 552204 MALVE SOLENOID 5220A90002C 554031 CONDENSER ASSEMBLY BENT 5403A20070B 554160 1 COMPRESSOR INVERTER 5416A90015A 554160 2 COMPRESSOR CONSTANT 5416A90016A 558511 DRIER ASSEMBLY 5851A20003J 559010 FAN ASSEMBLY PROPELLER 5901A10032A 561410 COIL ASSEMBLY REVERSING VALVE 3A02028B 566000 SWITCH PR
79. PE1 PIPE SENSOR CN MOTOR BLDC FAN MOTOR OUTPUT CN PIPE2 DISCHAGE PIPE SENSOR CN D PUMP DRAIN PUMP OUTPUT CN REMO REMOTE CONTROL CN DISP RF REMOTE CONTROL CN ROOM ROOM SENSOR CN FLOAT FLOAT SWITCH INUT CN AIRC AIR CLEAN CN ZONE ZONE CONTROL OUTPUT CN PTC PTC HEATER CN CC CENTRAL CONTROL OUTPUT CN OUT VENTILATION ELECTRIC HEATER 52 Universal System Air Conditioner Ceiling 6 Piping Diagrams Se Heat Exchanger gt Sirocco Fan Indoor unit Thermistor Refrigerant pipe connection port diameter unit mm inch Model Gas Liquid ABNH186HLAB UB18 NHB 12 7 1 2 246 0824 6 35 1 4 ABNH306GLAB UB30 NGB 15 88 5 8 ABNH366GLAB UB36 NGB ABNH486RLAB UB48 NRB 19 05 3 4 9 52 3 8 ABNH606RLAB UB60 NRB Service Manual 53 Ceiling 7 5 Setting for E S P Control provide required constant air volume irrespective of E S P charge 1 Open the rear cover of the wired remote controller to set the mode 2 Select one of three selectable modes as follows Without Zone System 1 Position V H F H This position sets the maximum E S P as a default set 2 Position V L This position sets the minimum E S P as a default set With Zone System 1 Position V H Maximum E S P setti
80. Point 1 Check the power source 2 Check the fan operation is right 3 Check the current 4 Check the install condition 5 Check the internal circuit C T Diode Resistor Service Manual 111 Troubleshooting Guide 7 Troubleshooting CH23 CH28 id Title Cause of error Check point amp Normal condition 23 DC Link DC link volt is Check the power source Low voltage 140 Check the components DC Link DC link volt is Check the power source 28 High voltage 420Vdc f Check the components REACTOR 26 8mH 9A 8001 02 RBV2506 RBV1506 112 Universal System Air Conditioner Check Point 1 Check the power source 2 Check the components B Diode Reactor PSC Parts 8 Troubleshooting 24 25 Troubleshooting Guide TRANS1 50Hz DC12V p W D02C ROTC pote 1N4148 5 7 Title Cause of error Check point amp Normal condition 24 Press S W Open Low High press Check the connection of Press S W open Check the components Abnormal Input voltage Check the power source e Input vlde 140Vac 300Vac Checkthe components It 0 25140 271102 Check Point e 24 1 Check the connection of CN PRESS 2 Check the install condition for over load 3 Check the SVC V V open 4 Check the leakage of refrigerant 114007 2 LY
81. REACTOR i BL YL 9 9 CN FAN A R KO 0000 CN JIG PC CN CENTRAL CN WRITER 001 L V CN TH2 HISINIQ AIRIPIPE DISP sUG DISP C CN TH1 CN COILI CN COIL2 cu Fania CN 4WAY AWAY VALVE MAIN PCB CN HEATER CRANKCASE HEATER CN TH4 DEFROST HEATING W 55 LOW PRESS SWITCH CN OIL S OIL SEPERATOR RY C COMP CONSTANT COMPRESSOR BR GND 1 GND 2 BL GN YL I BL MPS Inverter SINGLE A ESI i 1 1 POWER 10 INDOOR SUPPLY UNIT Notes BL BLUE BK BLACK BR BROWN RED ORANGE WH WHITE YL YELLOW GN YL GREEN YELLOW FIELD WIRING Service Manual 83 MPS Inverter SINGLE AUUW366B 0036 WUHB INV COMP WIRING DIAGRAM REACTOR CN COIL1 CN COIL2 MAIN PCB CN CENTRAL CN LEV1 CN WRITER 9 9 CN 4WAY AWAY VALVE lot Ho YU 1 CRANKCASE CN HEATER 8 HEATER o 1 CN OIL S HISINK AIR PIPE SUC DISP DISP C B P 5
82. SSOR 5416A90015A 5416A90015A R 558511 DRIER ASSEMBLY 5851A30004A 5851A30004A R 559010 FAN ASSEMBLY PROPELLER 5901A10032A 5901A10032A 561410 COIL ASSEMBLY REVERSING VALVE 6141AR3509L 6141AR3509L R 566000 SWITCH PRESSURE 3A02524F 3A02524F 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10101U 4995A10101G 261704 5874A90007A 5874 90007 R 268711 6 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A20679C 6871A10117S R WOCZZ CAPACITOR DRAWING 2A00986D 2A00986D R W49810 SUPPORTER ASSEMBLY 4980A20001D 4980A20001D 552204 ASSEMBLY EXPANSION 5220A90006A 5220A90006A R 349480 ORIFICE 4948A20005A 4948AP2527A 349600 4960AP1361A 4960AP1361A 137213 1 PANEL ASSEMBLY SIDE 14002010 R 137213 2 PANEL ASSEMBLY SIDE 3721A21009A R 170 Universal System Air Conditioner Exploded View 8 Replacement Parts List 514 MID _ Service Manual 171 Exploded View amp Replacement Parts List Parts List LOCATION No DESCRIPTION Part No AUUW246B UU24 WUEB SVC CODE 137213 1 PANEL ASSEMBLY SIDE 1A00202F 137213 2 PANEL ASSEMBLY SIDE 1A00202A 152503 NIPPLE DRAIN 4H01010 567480 1 THERMISTOR ASSEMBLY INV D PIPE amp S PIPE SENS
83. Specification mm Model Liquid Gas 18 24k 6 35 12 7 30 36k 15 88 48 60k 29 52 019 05 Unit mm Capacity B C ID 0 e f 1 ABNH186HLAB ABNH246HLAB 932 882 355 45 5 450 30 87 750 163 260 161 5 243 212 3 243 110 130 52 66 81 30 158 5 ABNH306GLAB ABNH366GLAB 1232 1182 955 45 5 450 30 87 820 186 298 229 5 243 232 243 116 160 53 59 81 19 158 5 ABNH486RLAB ABNH 06RLAB 1282 1230 477 56 590 30 120 1006 294 380 215 279 241 279 185 168 51 98 83 17 172 Top view Inspection hole unit mm 600X600 Control box Suitable dimension is necessary to get a slope to drain as figure Service Manual 51 Ceiling 5 Wiring Diagrams ABNH HL ABNH GL CN PTC per We N 1 FLOAT SW TO OUTDOOR UNIT CAPACITOR 0 ABNH RL CONTROL RO 19 58 E 28 im 22 CN ROOM CN PIPE2 CN PIPE1 ROOM OUTPIPE REMOTE IN PIPE TELE CONTROL THERMISTOR THERMISTOR CONTROL THERMISTOR DRY CONTACT 3854A20419G CONNECTOR NUMBER LOCATION CONNECTOR NUMBER LOCATION CN POWER AC POWER SUPPLY CN PI
84. W Service Manual 131 Ceiling Duct Type Ceiling Duct Type Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control Cooling Mode Operation e When selecting the Cooling ze Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature SET TEMPERATURE 0 5 C Thermo ON SET TEMPERATURE 0 5 C Thermo OFF More than More than gt 3 minutes 3 minutes INDOOR FAN Selecting Low Selecting Low Selecting fan speed fan speed fan speed COMPRESSOR ON OFF ON OFF ON 132 Universal System Air Conditioner Ceiling Duct Type Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor unit Heat Exchanger temperature Intake Air Temperature J4 ow fan during 10sec Setting Temperature 9 3 Thermo OFF Setting Temperature Thermo ON Minimum Outdoor fan Setting fan Indoor fan 4way valve Compressor off interval A While the indoor Heat Exchanger temperature is higher than 40 fan operates at low speed when it becomes lower than 40 C fan stops
85. W186B AUUW246B AUUW306B UU36W UHB UU18W UEB UU24W UEB UU30W UEB Nominal Capacity Cooling kw 1 47 10 6 14 1 1 35 5 28 6 33 1 35 7 03 8 44 1 35 8 79 10 6 Min Rated Max Btu h 5 000 36 000 48 000 4 600 18 000 21 600 4 600 24 000 28 800 4 600 30 000 36 000 Heating kw 1 61 12 1 15 5 1 41 5 95 7 28 1 41 8 09 9 38 1 41 10 1 12 1 Btu h 5 500 41 400 53 000 4 800 20 300 24 840 4 800 27 600 32 000 4 800 34500 41 400 Nominal Input Cooling kw 0 6 3 28 4 80 0 48 1 64 2 37 0 49 2 19 2 97 0 49 2 73 2 98 Min Rated Max Heating kw 0 95 3 34 5 10 0 59 1 65 2 37 0 63 2 21 3 07 0 70 2 80 4 50 Nominal Capacity and Nominal Input Indoor Units AVNH126ELAB C AVNH186BLAB C AVNH246BLAB C AVNH306BLAB C UV12 NEB C UV18 UV24 NBB C UV30 Outdoor Units AUUW126B AUUW186B AUUW246B AUUWSO6B UU12W UEB UU18W UEB UU24W UEB UU30W UEB Nominal Capacity Cooling kw 1 35 3 52 4 69 1 35 5 28 6 33 1 85 7 03 8 44 1 85 7 74 9 28 Min Rated Max Btu h 4600 12 000 16 000 4 600 18 000 21 600 4 600 24 000 28 800 4 600 26 400 31 680 Heating kw 1 41 4 04 5 28 1 41 5 95 7 28 1 41 8 09 9 38 1 41 8 88 10 7 Btu h 4800 13 800 18 000 4 800 20 300 24 840 4 800 27 600 32 000 4 800 30 300 36 360 Nominal Input Cooling kw 0 38 1 07 1 45 0 48 1 64 2 37 0 49 2 19 2 97 0 49 2 41 2
86. Y DISPLAY CN U D1 STEP MOTOR CN FLOAT FLOAT SWITCH INUT CN CC CENTRAL CONTROL Service Manual 37 Ceiling amp Floor 6 Piping Diagrams Da Oe gt Cooling J gt Heating EE Indoor unit Thermistor Refrigerant pipe connection port diameter unit mm inch Model Gas Liquid AVNH126ELAB UV12 NEB 9 52 3 8 AVNH186BLAB UV18 NBB 12 7 1 2 6 35 1 4 AVNH246BLAB UV24 NBB AVNH306BLAB UV30 NBB 15 88 5 8 38 Universal System Air Conditioner 7 Operating Instructions Remote Control Operation Ceiling amp Floor The Remote Controller transmits the signals to the system w Signal transmitter Flip up door opened Operation Mode Cooling Operation UF Auto Operation UF Healthy Dehumidification Operation v Heating Operation xt e Cooling Modell Heat Pump Model 1 START STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again 2 OPERATION MODE SELECTION BUTTON ZAD Used to select the operation mode Coorg Ony 3 ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature lt gt 4 INDOOR FAN SPEED SELECTOR 5 Used to select fan speed in four steps gt low medium high and 5 5 COOL Used to start stop the speed cooling
87. ased as optional 14 Universal System Air Conditioner 2 List of Functions Category Function Ceiling Cassette 4 way Air flow Air supply outlet Airflow direction control left amp right Airflow direction control up amp down Auto swing left amp right Auto swing up amp down Airflow steps Fan Cool Heat 3 4 3 CHAOS swing X CHAOS wind Auto wind Jet cool Power wind Swirl wind Air purifying Deodorizing filter Plasma air purifier Prefilter Washable Anti fungus Installation Drain pump OOO 5 control Electric Operation High ceiling operation Reliability Hot start Self diagnosis Soft dry operation Convenience Auto changeover Auto cleaning Auto operation Artificial intelligence Auto restart operation Child lock Forced operation Group control Sleep mode Timer On Off Timer weekly Two thermistor control Individual control Standard wired remote controller Deluxe wired remote controller Simple wired remote controller Wired remote controller for hotel use Wireless remote controller simple Wireless LCD remote controller General central control Non gt x gt x gt x gt
88. ation x AStep x AStep TAI x A Step Step base Standard frequency step by Summation of capacity code Long piping Comp Step compensation by setting long piping AStep TAO step compensation by TAO Outdoor temp AStep TAI step compensation by TAI Indoor temp AStep DTAI Step Compensation of temperature difference Indoor Temp and Setting Temp 138 Universal System Air Conditioner Units Target frequency step Step base exceeds maximum step the Step base value follows the maximum step value The compressor get the minimum step in case Step base value is lower than the minimum step of operating capacity Compressor operation range Control Capacity LAE Service Manual 139 Outdoor Units 1 3 EEV control 1 Superheating control Cooling Mode Superheating T superheating Tout Tin 2 G LEV pulse up T superheating gt 2 C LEV pulse down T superheating lt 2 C 2 Target Temperature Control Cooling mode In case outdoor temperature gt 39 Target superheating T target Tin 18 C LEV pulse up T target lt 18 C LEV pulse down T target gt 18 3 Target Temperature Control Heating mode LEV pulse up T target gt Tout LEV pulse down T target lt Tout 4 LEV pulse change Value 140 Universal System Air Conditioner 1 4 Fan control Control logic of outdoor fa
89. ays lift the unit with ropes attached at four points so that impact is not applied to the unit Attach the ropes to the unit at an angle of 40 or less Use two ropes at least 7 m long Caution Be very careful to carry product Do not have only one person carry product if it is more than 20 kg amp 40 or less B Rope suspension part PP bands are used to pack some products Do not use them as a mean for transportation because they are dangerous Do not touch heat exchanger fins with your bare hands Otherwise you may get a cut in your hands Tear plastic packaging bag and scrap it so that children cannot play with it Otherwise plastic packaging bag may suffocate children to death When carrying in outdoor unit be sure to support it at four points Carrying in and lifting with 3 point support may make outdoor unit unstable resulting in a fall of it Service Manual 93 MPS Inverter SINGLE 8 4 Piping length and the elevation Pipe Size Diameter Length Capacity Elevation m Additional Gas Liquid Standard Max Standard Max refrigerant g m 12k Btu h 1 2 12 7mm 1 4 6 35mm 7 5 40 30 20 18k Btu h 1 2 12 7mm 1 4 6 35 7 5 40 30 25 24k Btu h 1 2 12 7 1 4 6 35mm 7 5 50 30 30 Btu h 5 8 15 88mm 1 4 6 35 7 5 50 30 35 36k
90. ble Anti fungus Installation Drain pump ABDPG ABDPG ABDPG E S P control Electric Operation High ceiling operation Reliability Hot start Self diagnosis Soft dry operation Convenience Auto changeover Auto cleaning Auto operation Artificial intelligence Auto restart operation Child lock Forced operation Group control Sleep mode Timer On Off Timer weekly Two thermistor control Individual control Standard wired remote controller Deluxe wired remote controller Simple wired remote controller Wired remote controller for hotel use Wireless remote controller simple Wireless LCD remote controller General central control Non LGAP gt lt x x gt x gt x gt O O O O O O O x gt x x gt x gt x x O O O O gt x O O O O X gt O OF gt lt lt gt gt O O O O gt lt O O O O O gt x Dry contact PQDSB PQDSB PQDSB CAC network function Simple central control LGAP PDI Power Distribution Indicator PQNUD1S00 PQNUD1S00 PQNUD1S00 485 PMNFP14A0 PMNFP14A0 PMNFP14A0 Special function kit PUE 5 5 z Zone control ABZCA ABZCA ABZCA Others Thermistor AQTTA AQTTA AQTTA O Applied X Not applied No relation Group contr
91. ce by Telephone Before Coming Home Switch selection Ceiling Height 4 0n Low Ceiling Less than 2 7m Standard 2 7 3 3m High Ceiling Over than 3 3m me SC 77 OFF xr In case of Going out Without Turning off the Air Conditioner Ceiling Cassette 4 way Child Lock Function It prevents the children or others from tampering with the control buttons Unit can be controlled by the wireless remote controller This can be easily set by pressing timer key amp Min key simultaneously After child lock is set pressing any key will display CL on the LCD for 3 seconds and all the keys will be ineffective Auto Elevation Grille Accessory Auto Elevation Grille is automatically down to height of max 3 1 m So it enables to install the Indoor unit at high ceiling space And Auto Elevation Grille makes you cleaning the filter easily Swirl Swing Itis the function for comfort cooling heating operation The diagonal two louvers are opened the more larger than the other louvers After one minute it is opposite Space Control Vanes angle can be controlled by pair considering its installation environment For example direct drafts can be annoying leading to discomfort and reduced productivity vane control helps to eliminate this problem Easily controlled by wired remote control Air Flow can be controlled easily regarding any space env
92. changed by safety control stop this operation Operating process Once change the operating HZ to 50 option and recover to the last value 2 4 2 MPS system in heating amp cooling Operating condition 1 When the continuous inverter compressor running time at under 40 Hz option is over 2 hours option in 2 com pressor system oil restoring operation is made 2 If compressor operating Hz is below 40 Hz by the safety control the accumulated time will be cleared and oil restoration is not made 3 During this operation if operating Hz couldn t be changed by safety control stop this operation Operating process Raise the operating HZ up to 70 and after 20 sec option recover to the last value 144 Universal System Air Conditioner Outdoor Units 2 5 Sump heating control 2 5 1 Inverter compressor sump heating fuction A function protecting inverter compressor from damages by increasing oil viscosity in low outdoor temperature For the control compressor operates in low frequencies Operating condition in case of the following 3 conditions are fulfilled at the same time Outdoor temperature D pipe temperature Heat sink temperature below 0 C 7 7 starting 7 7 7 7 4 starting E 90 300 sec Time option 2 5 2 Constant compressor sump heater option An optional function protecting constant compressor from damages by increasing oil viscosity in low outdoor Temperature For this fu
93. d select a place where noise and vibration are minimum Select a place so that the warm air and noise from the air conditioner do not disturb neighbors Rooftop Installations If the outdoor unit is installed on a roof structure be sure to level the unit Ensure the roof structure and anchoring method are adequate for the unit location Consult local codes regarding rooftop mounting Model AUUW126B UU12 WUEB AUUW186B UU18 WUEB AUUW246B UU24 WUEB AUUW306B UUS0 WUEB AUUW366B UU36 WUHB Ensure that the space around the back is more than 30cm and sides is more than 30cm The front of the unit should have more than 70cm of space More than 1 30cm than Dn Q 50 5 50 More than 50cm Service space More than 70cm More than 70cm Model AUUW4860 0048 WUYB AUUW6060 0060 WUYB 1 Individual installation Basic Space required space of at least 250 mm 15 nessary at the back for inlet air Tacking servicing a space of about 750 mm should be provided at the front 750 mm or more B 250 mm or more O Top discharge open in principle D gt 4 D Front inlet open in principle amp Rear inlet open in principle B B View Side View Service Manual 91 MPS Inverter SINGLE When inlet a
94. e SVC V V open D Pipe temp Toff 105 C LEV Openness OFF Control Pulse p Check Point CH 32 33 1 Check the install condition for over load 1 Check the install condition for over load 2 Check the SVC V V open 2 Check the SVC V V open 3 Check the leakage of refrigerant 3 Check the leakage of refrigerant 4 Check the constant compressor same with CH21 Service Manual 115 Troubleshooting Guide 11 Troubleshooting CH41 CH44 45 CH46 CH47 CH65 Title Cause of error Check point amp Normal condition Open Short a 41 D pipe sensor Inverter Soldered poorly Normal resistor 200 at 25 C Unplugged Int rnal cireurt efror Normal voltage 4 5Vdc at 25 plugged Open Short 25 EE Normal resistor 10 at 25 C Unplugged Internal circuit error Normal voltage 2 5Vdc at 25 plugged 2 Normal resistor 5 at 25 C Unplugged i Soldered poorl 2 m nternal UN Normal voltage 2 5Vdc at 25 C plugged resistor at 25 C ion Soldered Normal resistor a np ugge Internal ge Normal 2 5Vdc at 25 plugged 2 resistor 200KQ at 25 C d D pi t Soldered poorly Normal resistor a dg DAD Internal circuit error e Normal volta
95. e desired tem perature is obtained Auto Operation Button 10 Plasma Air Clean Button Optional 11 Electric Heater Button Optional Used to set the Electric Heater CAUTION for handling the Remote Controller Aim at the signal receptor on the wired remote controller so as to operate The remote control signal can be received at a distance of up to about 7m Be sure that there are no obstructions between the remote controller and the signal receptor e Do not drop or throw the remote controller Do not place the remote controller in a location exposed to direct sunlight or near the heating unit or any other heat Source Block a strong light over the signal receptor with a curtain or etc so as to prevent the abnormal operation ex elec tronic quick start ELBA inverter type fluorescent lamp Service Manual 59 9 Installation Please read this instruction sheet completely before installing the product When the power cord is damaged replacement work shall be performed by authorized personnel only Installation work must be performed in accordance with the national wiring standards by authorized personnel only Air outlet vents Air intake vents Wired LCD Remote Control Required Parts Required Tools Connecting cable Level Pipes Gas side Screw driver Liquid side Electric drill Hanging
96. eed is impossible because of already being set to the best speed for Dry Operation by microcontroller control Cooling Mode Operation e When selecting the Cooling Mode Operation the unit will operate according to the setting by the remote con troller and the operation diagram is as following Intake Air Temperature Thermo On SET TEMPERATURE 0 5 C Thermo Off SET TEMPERATURE 0 5 C More than More than Bn ____ gt 3 minutes 3 minutes Selected Selected Selected INDOOR FAN Speed Low Speed Low Speed Swirl Swing Control Vane 2 Vane 2 4 is almost vane closed while vane1 3 is opened Vane 1 3 and vane 2 4 turn over minutely Vane 1 Vane 3 Vane 4 130 Universal System Air Conditioner Ceiling Cassette Type Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor unit Heat Exchanger temperature Intake Air Temperature Setting Temperature 3 Setting Temperature Thermo ON COMP Outdoor fan Indoor fan Hot start Control The indoor fan does no rotate until the evaporator piping temperature will be reached to 21 The operation diagram is as following Pipe temperature 32 29 23 21 17 Indoor fan speed COMP SELECTED FAN LOW LOLOW W LO
97. ek ct 179 2 Universal System Conditioner Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is classified by the following indications AWARNING This symbol indicates the possibility of death or serious injury CAUTION This symbol indicates the possibility of injury or damage to properties only Meanings of symbols used in this manual are as shown below Be sure to follow the instruction A WARNING installation Do not use a defective or under Always ground the product Install the panel and the cover rated circuit breaker Use this of control box securely appliance on a dedicated circuit There is risk of fire or electric There is risk of fire or electric There is risk of fire or electric shock shock shock Always install a dedicated cir Use the correctly rated break Do not modify or extend the cuit and breaker er or fuse power cable Improper wiring or installation may There is risk of fire or electric There is risk of fire or electric cause fire or electric shock shock shock Service Manual 3 Safety Precautions Do not install remove or Be cautious when unpacking F
98. ersal System Conditioner 6 Electric Characteristics MPS Inverter SINGLE Unit Power Compressor Model Type Hz Voltage Vollagerage MSC kW FLA 8 13 14 6 10 7 0 0 12 0 68 CHE 13 2 23 9 10 7 0 0 12 0 68 17 1 30 8 10 25 7 0 6 0 0 14 0 73 QUO EE inverter 50 220 240 Min 198 246 443 1028 7082 016 092 303 584 10 63 70140 0 24 1 46 UD UNES 36 0 63 3 10 28 28 7 0 8 2 8 2 0 4 1 87 46 2 81 7 10 28 63 7 082140 0 4 1 87 Notes 1 Voltage range Voltage supplied to the unit terminals should be within the mini mum and maximum range 2 Maximum allowable voltage unbalance between phase is 2 3 MOP MCA 1 25 x Load1 Load2 Load3 MOP 2 25 x Load1 Load2 Load3 Load1 Rated running current of largest motor compressor or other motor Load2 sum of current all other motors Load3 any other load rated 1 0 or more 4 Select wire spec based on the MCA 5 Recommended circuit breaker is ELCB Earth Leakage circuit breaker 6 MSC 8 RLA are measured as the compressor only test condi tion 7 MSC values 10 28 MSC of inv comp const comp 8 RLA is measured during each individual compressor test condi tion Ex 7 0 8 2 RLA of inv comp const comp 9 OFM is measured as the outdoor unit test condition Example Selection of proper c
99. essors Minimum operation About 12 50 load operation High COP DC Compressor covers 12 50 load COP of system is higher than DC Inverter only system Standard operation About 50 90 load operation High COP DC Compressor covers about 10 40 load and constant speed compressor covers 50 load COP of system less inferior or equivalent to DC Inverter only system Maximum operation About 90 130 load operation COP of DC Inverter compressor goes down according to frequency In case of MPS system DC Inverter compressor rotates between high COP frequency and constant speed compressor covers rest load COP of system is higher than DC Inverter Single system Seasonal EER of DC Inv MPS is the best Capacity Control Heating Capacity Improved 138 133 Using TPS technology LG multi system T C achieved world s best wide range of operation which is from 12 120 in cooling mode and 112 f 120 from 12 138 heating mode to give quicker cooling and heating Compared cooling capacity Standard heating capacity 120 Max heating capacity 138 Before Now Befor Now L_STD J L_ Max J Energy Saving Gold Fin Outdoor Heat Exchanger fins are coated with anti P corrosive amp hydrophilic layers It prevents the corro ue sion of heat exchanger Fins remain as new even ER F after long time of operation and maintain efficiency _ Pitting Corrosio
100. ety devices Fuse Thermal protector for fan motor Fuse Thermal protector motor Fuse Thermal protector for fen motor Fuse Thermal protector for fan motor Temperature Sensor Thermistor Thermistor Thermistor Thermistor Referigerant R 410A R 410A R 410A R 410A Referigerant Control Capillary LEV LEV LEV Connectable outdoor unit Single A Single A Single A Single A Power and transmission interunit cable No x mm 4 0 75 4 0 75 4 0 75 4 0 75 Note Conversion Formula 1 Capacities are based on the following conditions kW 0 0002931 Cooling Indoor Temperature 27 80 6 DB 19 C 66 2 F WB E Ouod DB 24 12 WB Sch i Indoor Temperature 20 68 DB 15 59 WB 5 Outdoor Temperature 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnecting Piping Length 7 5 Level Difference of Zero 2 Cooling heating capacity of indoor unit can be lower when it is connected to MPS variable outdoor 3 Wiring cable size must comply with the applicable local and national code 34 Universal System Air Conditioner Ceiling amp Floor 4 Dimensional Drawings AVNH EL Signal receiver amp Operation indicator 900 di Air discharge grille Unit mm Note 1 Pipe Specification mm a Model Liquid Gas Air suction grille 12k 06 35 09 52 Ceiling Installation gt lt Floor Installati
101. ge 4 5Vdc at 25 C plugged Open Short 65 Heat sink sensor Soldered poorly e Normal resistor 10KQ at 25 C Unplugged Internal circuit error Normal voltage 2 5Vdc at 25 C plugged Check Point 1 Estimate the resistance of each sensor Unplugged 116 Universal System Air Conditioner 2 Estimate the voltage of each sensor Plugged 3 If the resistance of the sensor is 0 or then sensor is abnormal If the voltage of the sensor is 0 V or 5Vdc then sensor is abnormal 12 Troubleshooting 51 60 Troubleshooting Guide Title Cause of error Check point amp Normal condition 51 Over capacity Check the indoor unit capacity ver capacity Combination Check the combination table EEPROM Check PCB 5 60 Check the poor soldering Model Gross max capacity Max single indoor unit capacity AUUW126B 21k 12k AUUW186B AUUW246B ene AUUW306B AUUW366B ok AUUW4860 39k 18K AUUW6060 52k 24K Check Point CH 51 CH 60 1 Check the indoor unit capacity 1 Check the insertion condition of EEPROM 2 Check the poor soldering Service Manual 117 Troubleshooting Guide 13 Troubleshooting CH61 CH62 pond Title Cause of error Check point amp Normal condition 61 bud Condenser pipe se
102. gerant Flow Reversing ae Valve lt Heating Low Pressure Ta S W Thermistor Accumulator Heat Exchanger Inverter Compressor Gas 2 8 12 7 Field Piping Liquid CETEL 55 9 6 35mm OUTDOOR UNIT Refrigerant Flow Reversing t Valve 4 Cooling Heating Accumulator Heat Exchanger Solenoid Valve Gas Field Piping 826 10911 Liquid a iH 86 Universal System Conditioner AUUWSO6B 0030 WUEB Refrigerant Flow Cooling 4 Heating Field Piping Refrigerant Flow Cooling Heating 0 15 88mm Field Piping Accumulator Low S W pk Reversing se Valve Inverter Compressor Thermistor Low Pressure S W Reversing Valve Inverter Compressor Pressure Thermistor Solenoid Valve Solenoid Valve MPS Inverter SINGLE A OUTDOOR UNIT Heat Exchanger Exchanger Service Manual 87 MPS Inverter SINGLE AUUW4860 0048 WUYB AUUW6060 0060 WUYB OUTDOOR UNIT I ama Reversing Valve Refrigerant Flow Heat m Sen gt 9 E 2 Constant Compressor 1 Compressor Gas X Thermistor 4 19 05 9 Pressure S W Field Piping Liquid lt 0 9 52mm 88 Univ
103. gt x O x X gt x O x Xx x gt O OOP O XXOO OP Xx OF Dry contact PQDSB PQDSB PQDSB CAC network function Simple central control LGAP PDI Power Distribution Indicator PQNUD1S00 PQNUD1S00 PQNUD1S00 P1485 PMNFP14A0 PMNFP14A0 PMNFP14A0 I X X X Special function kit Zone X X X Others Thermistor AQTTA AQTTA AQTTA Note Group control amp CAC network function is not available which is connected with synchro Sleep mode is available only in case of using wireless remote controller Applied X Not applied No relation Option Model name amp price are different according to options and assembled in factory with main unit Accessory Installed at field ordered and purchased separately by the corresponding model name supplied with separate package Service Manual 15 Ceiling Cassette 4 way 3 Specifications Indoor unit type Ceilling Cassette 4way Model ATNH126ELFB ATNH186ELFB ATNH246FLFB ATNH306FLFB UT12 NEB UT18 NEB UT24 NFB UT30 NEB Power Supply ONIMHz 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 Cooling Capacity kW 3 52 5 28 7 03 8 21 Btu h 12 000 18 000 24 000 28 000 Heating Capacity kW 4 04 5 95 8 09 9 44 Btu h 13
104. heating Speed cooling heating operates super high fan speed 6 CHAOS SWING BUTTON Used to stop start louver movement set the desired up down airflow direction Cem 7 ON OFF TIMER BUTTONS Used to set the time of starting and stopping operation 8 TIME SETTING BUTTONS Used to adjust the time 9 TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation 10 SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation 11 AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating 12 ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature 13 PLASMA OPTIONAL Used to start or stop the plasma purification function 14 RESET BUTTON Initialize remote controller 15 2nd F Button Used prior to using modes printed in blue at the bottom of but tons For the convertible type of air conditional jet cool mode does not operate Service Manual 39 Ceiling amp Floor 8 Installation Please read this instruction sheet completely before installing the product When the power cord is damaged replacement work shall be performed by authorized personnel only Installation work must be performed in accordance with the national wiring standards by authorized personnel only Installation Parts Provided Installation Plate VB 2pcs 1 Installation Plate VE 106 gt Washer Bolt
105. ial Number Functions A Basic B Low Ambient C Plasma Filter E Elevation Grille F Elevation Grille Plasma Filter H Plasma Filter Low Ambient L Nano Plasma M Nano Plasma Elevation Grille Look L Basic Chassis Name Electrical Ratings 6 19 220 240 50 2 8 30 380V 415V 50Hz Nominal CoolingCapacity in Btu h Ex 18 gt 18 000 Btu h 48 gt 48 000 Btu h Model Type C Cooling Only H HeatPump Indicates that this is a indoor unit for Ceiling cassette type indoor unit ABN Ceiling concealed duct type indoor unit Convertible type indoor unit Decoration panel For Ceiling Cassette Models A Basic C Plasma Air Purifier E Elevation Grille F Elevation Grille Plasma Air Purifier Indoor Unit Chassis D D Chassis Chassis Chassis Cooling Only H Heat Pump Decoration Panel of Ceiling Cassette Type Indoor Unit Service Manual 9 Ceiling Cassette 4 way E Ceiling Cassette 4 way Ceiling Cassette 4 w ay R410A Indoor Units ATNH EL FL DL Contents BU Features amp Benefits 11 List of m 15 2 SSC 16 4 Dimensional Drawings 22 18 5 Wiring Diagrams 21 OM Piping Diagrarms
106. ilure of product There are sharp and moving parts that could cause personal injury 6 Universal System Air Conditioner Indoor Units idee e TT 0 0 EE 8 Ceiling Cassette 4 way 10 Be ua T SN u asas aaa kasa EI 31 Ceiling Concealed Ductl 45 Service Manual 7 Introduction Introduction Models List Indoor unit name Nominal capacity Btu h kW Power Chassis 12 000 18 000 24 000 30 000 36 000 48 000 60 000 Supply Type nel 65 5 3 7 0 8 8 10 6 141 17 6 WINHI2GELFB ATNH186ELFB Celling 0712 NEB 0718 NEB Gasset teuer ES ATNH246FLFB ATNH306FLFB 4 Way 0724 NFB UT30 NFB ATNH366DLFB ATNH486DLFB ATNH606DLFB Im UT36 NDB UT48 NDB 0760 Ceiling vp AVNHI26ELAB amp UV12 NEB RATOA 1 220 240V Floor UE AVNH186BLAB AVNH246BLAB AVNH306BLAB 0 18 NBB UV24NBB UV30 NBB 50Hz ABNH186HLAB ABNH246HLAB Ceiling UB18 NHB UB24 NHB ABNH306GLAB ABNH366GLAB 410 UB30 NGB 0836 ABNH486RLAB ABNH606RLAB 0848 NRB 0860 NRB 8 Universal System Air Conditioner Introduction Model Number Nomenclature Indoor unit ATMA Ser
107. ir conditioner As for the method of wiring be guided by the circuit diagram pasted on the inside of control box cover 2 Provide a circuit breaker switch between power source and the unit 3 The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness 8 Never fail to equip a leakage breaker where it is wet or moist 9 The following troubles would be caused by voltage drop down Vibration of a magnetic switch damage on the contact point there of fuse breaking disturbance to the normal function of a overload protection device Proper starting power is not given to the compressor Service Manual 29 Ceiling Cassette 4 way 9 Accessories Standard Accessories Drain hose Clamp metal Washer for hanging backet Insulation for fitting 8 EA Optional Accessories For Unit 1 SET Paper pattern
108. ir enters from right and left sides of unit 750 mm or more 250 mm or more 150 mm or more i 8 2 2 VA PZ 7 7 Z 2 2 LS 2 7 9 2 7 7 2 LLL Top View gt Side View When unit is surrounded by walls 750 mm or more 250 mm or more 7777777777777 When there is obstructure above the unit 4 45 or more D 1000 mm or more 200 mm or more Air outlet guide procured at the site 250 mm or more 250 mm or more 92 Universal System Air Conditioner MPS Inverter SINGLE 8 2 Settlement of outdoor unit e Anchor the outdoor unit with bolt and nut 10mm tight Tubing connection ly and horizontally on a concrete or rigid mount Bolt uc s When installing on the wall roof or rooftop anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake n the case when the vibration of the unit is conveyed to the hose secure the unit with an anti vibration rubber AUUW4860 UU48 WUYB AUUW6060 0060 WUYB Installation foot Example of collective installation 8 3 Lifting Method When carrying the unit suspended pass the ropes under the unit and use the two suspension points each at the front and rear Alw
109. ircuit breaker Model AUUW126B Rated running current 6 5 A refer to spec sheet MCA 1 25 x Load1 Load2 Load3 2 1 25x65 0 0 8 13 2 25 x Load1 Load2 Load3 2 25 6 5 0 0 14 6 gt Finally select circuit breaker 15A Min circuit breaker is 15A MCA Minimum Circuit Amperes A MOP Maximum rating over current protective device MSC Maximum Starting Current RLA Rated Load Amperes A OFM Outdoor Fan Motor kW Fan Motor rated output kW FLA Full Load Amperes A Service Manual 89 MPS Inverter SINGLE 7 Operation Range Cooling 46 EE Operative Outdoor Unit C DB Continuous operation 18 32 Indoor Unit C DB 90 Universal System Air Conditioner Heating 24 anan oe Q 5 Outdoor Continuous 5 operation 9 Q 10 Operative 16 30 Indoor Unit DB Operative Intermittent operation due to the operational conditions indoor outdoor temperature humidity load etc can cause the heating capacity to decrease MPS Inverter SINGLE 8 Installation 8 1 Select the best location If a roof is built over the unit to prevent direct sunlight or rain exposure make sure that heat radiation from the condenser is not restricted Do not place animals and plants in the path of the warm air Take the air conditioner weight into account an
110. ironment OPERATION EAN SPEED 808 FUNCTION 2085 eum Heater Preheat E 1 wh bx Filter door 1234 CLEAN amet Operation unit Program set Ed Wed 14 8 54 03 05 07 09 11 13 15 17 19 21 23 CHILD LOCK Display 4 Open Conventional A gt 100 Improved 4 8 Comparison of Air Flow Types Comparison of Floor Temp Distribution 20 C Swirl Swing New 4 Open Conventional Swirl Swing New Vane 1 Open i i Vane 1 Close iOpen Close Open Close Vane 2 Open 2 Close Open Close Open Vane 3 Open 3 Close Open Close Open Close _ 1 Vane 4 Open 4 Close Open Close Open Service Manual 13 Ceiling Cassette 4 way Weekly Program On Off schedule of operation for a period of ONE week No need to turn the unit On OFF manually during working days On Off time is scheduled in micom of the wired remote control Operation Time Table Example Setting Mon Tue Wed Thu Fri Sat Sun Temp 25 C 25 C 25 C 25 25 C On 09 00 08 00 09 00 08 00 09 00 OFF Off 12 00 1
111. is also released simultaneously 1 digit 10 digit B indoor Error pid Contents Case of error eg 01 Air sensor open short Open Short Off 02 Inlet pipe sensor Open Short Off 03 Communication Indoor lt gt Wired R Control Communication Poorly Off 04 Drain pump Float switch Float switch Open Off 05 Communication Indoor lt gt Outdoor Communication Poorly Off 06 Outlet pipe sensor Open Short Off 07 Different operation mode Different operation mode Off Service Manual 103 Troubleshooting Guide B Error Indicator Outdoor Outdoor Error Ex Error 21 DC Peack LED01 RED 1 1 Sec 2 Times 2 Times 2 Times gt 1 Sec i LED02G GREEN mme i Time L Contents LED01G Red LED02G Green Case of error Outdoor Status IPM Fault Compressor Over current 2 times ON 1time 9 Compressor malfunction IPM Fault Off CT 2 Max Current 2 times CN 2 times CN Current is 14A f Off DC Link Low Volt 2 times 3 times DC Link volt Is 140V 1 Off Low High press 2 times 9 4 times Low High press switch OPEN Off AC Low AC High Volt 2 times Q 5 times Abnormal AC volt Input Off DC Compressor Position 2 times Q 6 times Off PSC Fault 2 times Q 7 times CH Off DC Link High V
112. iversal System Air Conditioner 3721 10108 3721 10108 2 Exploded View 8 Parts List Panel Assembly Front PT HEA C Service Manual 179 Exploded View amp Replacement Parts List PT HFA C 180 Universal System Air Conditioner Exploded View 8 Parts List PT HDA C Service Manual 181 Exploded View amp Replacement Parts List Parts List LOCATION No DESCRIPTION Part No PT HEA PT HEC 137211 PANEL ASSEMBLY FRONT INDOOR 3721A10105A 3721A10105B 435313 GRILLE ASSEMBLY FRONT INDOOR 3531A10059A 3531 10059 152312 FILTER ASSY AIR CLEANER 5231A10005A 5231A10005A 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 268712 PWB PCB ASSEMBLY DISPLAY 6871A20096J 6871A20096J 135802 DOOR 3580A20005A 3580A20005A LOCATON DESCRIPTION No PT HFA PT HFC 137211 PANEL ASSEMBLY FRONT INDOOR 3721A10072A 3721A10072E 135314 GRILLE ASSEMBLY INLET 3531A10211A 3531A10211C 152312 FILTER ASSY AIR CLEANER 5231A10012A 5231A10012A 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 268712 PWB PCB ASSEMBLY DISPLAY 6871A20096J 6871A20096J Part No ie ad DESCRIPTION PT HDA PT HDC CODE 137211 PANEL ASSEMBLY FRONT INDOOR 3721 10106 37214101068 135314 GRILLE ASSY INLET
113. l Charge cc 660 670 Oil Type RB68A POE RB68A POE Refrigerant Charge at 7 5m g oz 1100 40 at 7 5m 1500 52 91 1750 61 72 2100 74 07 Type R410A R410A R410A R410A Control L E V L E V L E V L E V Heat exchanger Fins per inch 18 18 18 18 No of Rows amp Column No 1R 28C 2R 28C 2R 36C 2R 48C Tube Size OD mm inch 7 0 0 276 7 0 0 276 7 0 0 276 7 0 0 276 Defrosting Method Reversing cycle Reversing cycle Reversing cycle Reversing cycle Fan motor Model 1 286401 0285 IC28640LG28S IC28640LG28Y IC9625LGSY x2 Output kW 0 12 0 12 0 14 0 065 x 2 Capacitor uF Vac 6 370 6 370 6 370 2 0 370 Type Propeller Propeller Propeller Propeller Fan No Used Diameter EA mm inch 460 1 18 1 460 1 18 1 460 1 18 1 420 2 16 5 Discharge Side Side Discharge Side Discharge Side Discharge Side Discharge Air Circulation CMM CFM 50 1766 50 1766 51 1801 32 1130 2 Noise Level H L Sound Press 1m 3 51 45 51 45 52 46 50 46 Piping connections Liquid mm inch 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 Gas mm inch 9 52 3 8 12 7 1 2 12 7 1 2 15 88 5 8 Max Piping Length Elevation m 15 10 40 30 50 30 50 30 Additional Refrigerant Charge Over 7 5m g m 20 25 30 35 Note 1 Capacities are based on the following conditions 2 Due to our policy of innovation some specifications Conversion Formula Cooling Indoor Temperature 27 C 80 6 F DB 19 C 66 2 F WB may be changed without notification kW Btu h x 0
114. m 74 5 74 5 L11 mm 79 79 mm 06 35 06 35 mm 012 7 012 7 76 Universal System Air Conditioner MPS Inverter SINGLE AUUW306B 0030 WUEB 360 4 holes for anchor bolts 1060 Unit mm Number Name Descripition 1 Liquid side service valve mm 06 35 2 Gas side service valve mm 015 88 3 Air discharge grill 4 Control Cover Service Manual 77 MPS Inverter SINGLE AUUW366B UU36 WUHB W 4 hole for anchor bolts 13 L1 Control cover Liquid side 3 way valve Gas side 3 way valve Model AUUW366B 0036 WUHB Dimensions mm 900 H mm 1 165 D mm 370 L1 mm 460 L2 mm 45 L3 mm 410 L4 mm 1 135 L5 mm 30 L6 mm 550 L7 mm 175 L8 mm 175 L9 mm 112 L10 mm 120 L11 mm 83 mm 06 35 mm 15 88 78 Universal System Air Conditioner MPS Inverter SINGLE AUUWA860 0048 WUYB AUUW6060 0060 WUYB 730 700 bolt hole 690 4 Air outlet lt gt r Q inlet Air D inlet 1444 e 5 Knockout hole gt For the control wiring the power supply 9 8 ref
115. n depends on Outdoor temperature 1 Single fan model 2 Two fan model Step Fan Fan Step Fan Fan A Fan B 2 High 4 High High 1 Low 3 Low 0 X 2 High X 1 Low X 0 X X Outdoor Cooling Single temperature Cooling two FAN d Step Fan 2 Step Fan 1 41 Step_Fan 1 38 Step Fan 2 Step Fan 28 Step Fan 1 Step Fan 1 22 Step Fan 2 10 Step Fan 3 Heating Single FAN Outdoor Heating two FAN temperature Step Fan 2 Step Fan 1 20 Step Fan 1 14 Step Fan 4 Step Fan 40 Step_Fan 1 Step Fan 1 3 G Step_Fan 2 Outdoor Units Service Manual 141 Outdoor Units 2 Special control 2 1 Defrost control 2 1 1 Starting to the defrosting operation 1 Defrost operation will be start when the conditions below are matched a Accumulation time of operation and the period after completion of defrost 35 min b After 10 minutes from re starting the compressor In case of being over 35 minutes of accumulated operating time defrosting operation starts after 10 minutes Piping temperature of the outdoor heat exchanger maintain below defrost starting temperature for 4 minutes after 35 minutes continuous operation d In case of passing 10 minutes after oil recovery operation 2 Outdoor piping temperature is below than 6 Option C for starting defrosting operation
116. n filter Service Manual 11 Ceiling Cassette 4 way Plasma Air Purifying System The PLASMA Air Purifying Function not only removes micro scopic contaminants and dust but also removes house mites pollen and pet fur helps to prevent allergic diseases like asthma Dust electrode discharge Dust particles lonizer Photo Catalyst Coated Mesh 12 AN e Polluted Air Purified fresh Air Od ur Generating plasma Odour molecule High Head Drain Pump 700mm Built in Drain Pump drains out water automatically A standard drain head height of up to 700 mm is possible creating the ideal solution for perfect water drainage Pipe fixture Slope 1 50 1 100 Hard Tube ex PVC High Ceiling Corresponding Operation According to the height of the installation it provides vari ability of indoor fan motor rpm If the height of installation is low then you can adjust low rpm of indoor fan motor On the other hand if the height of the installation is high you can adjust high rpm of indoor fan motor Selection of speed can be done by slide switch at the back of the LCD wired remote High Ceiling 27 2 4 E 2 2 0 1 2 3 30 2 Tele Control Accessory It provides you ease of control Air conditioner can be switched on off by the telephone It saves time amp energy 12 Universal System Air Conditioner ON In Advan
117. nction heater operates before compressor starting Operating condition before the starting of compressor outdoor temperature below 0 heater ON over 3 C heater OFF Service Manual 145 Units 3 Protection control 3 1 Discharge Temperature control 3 1 1 Discharge pipe control for Inverter compressor 1 There can be two situations a Sensor is failed error code for sensor failure will be generated b Abnormal high temperature discharge temperature error code for high discharge will be generated Both cases unit will stop 2 Compressor working a If discharge pipe temperature T1 No limitation on compressor frequency b T2 lt discharge pipe temperature T off Hysteresis control Compressor frequency down by 5Hz and expansion valve up by 10 pulse in every 1 min c Discharge pipe temperature gt Toff Compressor will be off D Pipe temp Toff 105 C lt 5 OFF Expansion 10 10 146 Universal System Air Conditioner Outdoor Units 3 1 2 Discharge pipe control for constant compressor 1 There can be two situations a Sensor is failed error code for sensor failure will be generated b Abnormal high temperature discharge temperature error code for high discharge will be generated Both cases unit will stop 2 Compressor working a If discharge pipe temperature T1 Compressor ON LEV on time control b T2 lt discharge pipe temperature lt Toff Hystere
118. ng amp Fan speed is varied according to the state of dampers by micom 2 Position F H Maximum E S P setting amp Fan speed doesn t vary according to the opening amp Closing of dampers 3 Position V L Minimum E S P setting amp Fan speed is varied according to the state of dampers by micom 18 24k 8mmAq 30 36k 10mmAq 48 60k 15mmAq Minimum All OmmAq 3 Move the slide switch to set position re e feng 0 0 2 A Me MAN OF RISH x Slide switch for ceiling height 4 Close the rear cover and check if it works normally AN CAUTION Select the position after checking duct work and E S P of the unit Maunfactured in the position F H 54 Universal System Air Conditioner Ceiling Concealed Duct How to Set E S P Procedure of RPM change Ex External Static pressure is 4mmAq for Model Name 246 To protect the unit compressor is designed to be off during E S P setting Push the On Off button SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION The unit will start I USD Time 3 Push the Timer and Wind button simultaneously for more then 3 seconds 9 Push Up of Down button 5 adjustment And adjust the number which you want In this example the number is 190 Refer to the table 7
119. ng Button Used to check the room temperature 16 Plasma Air Clean Button optional 17 Reset Button Used to set the current time and clear the setting time Display temperature can be different from actual room temperature if the remote controller is installed at the place where sun rays are falling directly or the place nearby heat source 58 Universal System Air Conditioner Optional Function Wireless Remote Controller Ceiling Concealed Duct This air conditioner is equipped with wired remote controller basically But if you want to have the wireless remote controller you pay for it Signal transmitter Transmits the signals to the signal receptor 9 FAN Operation Button Used to circulate room air without cooling or heat ing Cooling Operation Button Soft Dry Operation Button Used to dehumidify without overcooling Heating Operation Button Heat pump model only Timer Set Button Used to set the timer when the desired time is obtained Then the wired remote controller is set up to 24 hours by an hour but the wireless remote controller is set up to 7 hours by an hour Therefore if you want to set over 7 hours use the wired remote controller Fan Speed Button Used to set the desired fan speed On Off Button Operation starts when this button is pressed and stops when the button is pressed again Set Temperature Button Used to set the temperature when th
120. nsor check the load condition pipe ribs detected high Check the sensor of Condenser pipe sensor temp hig temp 65 C Heat sink sensor 4 27 Check the fan is locked temp high temp 85 C Check the sensor of heat sink Heat Sink temp Toff C 12 T1 Frequency Check Point CH 61 CH 62 1 Check the install condition for over load 1 Check the fan is locked Refrigerant Pipe length Blocked 2 Check the Outdoor temp is very high 118 Universal System Air Conditioner Electronic Control Device IV Electronic Control Device Ceiling Cacsette VI a aT 120 Ceiling Duct 121 Geling amp OR 123 Service Manual 119 Electronic Control Device B Ceiling Cacsette Type ASM 6871710158 6871 10209 CN_DISP 65 oscois 68706901318 F 8 6019 gt po lt gt gt gonn 120 Universal System Air Conditioner Electronic Control Device Ceiling Duct Type BH Series RY LOUU 3 L 5 687069001 ek ASM 6871010140 Service Manual 121 Electronic Control Device BG BR Series
121. ol amp CAC network function amp Zone control is not available which is connected with synchro Option Model amp price are different according to options and assembled in factory with main unit Accessory Installed at field ordered and purchased separately by the corresponding model name supplied with separate package For ceiling concealed duct model auto run function of dry contact is not applicable If RF remote control use auto run function of dry contact is applicable Refer to accessory PDB 48 Universal System Air Conditioner 3 Specifications Ceiling Concealed Duct Indoor unit type Ceilling Concealed Duct High Static Model ABNH186HLAB ABNH246HLAB ABNH306GLAB 0818 NHB UB24 NHB UB30 NGB Power Supply ON Hz 1 220 240 50 1 220 240 50 1 220 240 50 Cooling Capacity kW 5 28 7 03 8 79 Btu h 18 000 24 000 30 000 Heating Capacity kW 5 95 8 09 10 1 Btu h 20 300 27 600 34 500 Current Nominal running current A 0 92 0 92 1 34 Fan Motor Type Induction Induction Induction Fan Type Sirocco Fan Sirocco Fan Sirocco Fan Motor Output x Number of Unit 11872 11872 211 2 Air Flow Rate H M L cmm 16 5 14 5 13 18 16 5 14 26 5 23 20 583 512 459 636 583 494 936 812 706 External Static Pressure mmAq 8 8 10 Capacitor uF Vac 6 370 6 370 6 370 Drive Direct Drive Direct Drive Direct Dri
122. olt 2 times 8 times Off Discharge Pipe Temp High INV 3 times 2 times Off Discharge Pipe Temp High Cons 3 times 104 Universal System Air Conditioner 3 times Off Troubleshooting Guide E Error Indicator Outdoor Outdoor Error LEDO1G LEDO2G Outdoor Contents Red Green Case of error Status CT Circuit 4 times Q CT Circuit malfunction Off D pipe sensor INV open short 4 times 1 time Open Short Off Air sensor open short 4 times 4 times Open Short Off Cond Pipe sensor open short 4 times 5 times Open Short Off Suction pipe sensor open short 4 times 6 times Open Short Off D pipe sensor Cons open short 4 times 7 times Open Short Off Over capacity 5 times g 1 time Over load combination Off Communication Indoor e Outdoor 5times 3 times Communication Poorly Off EEPROM check sum 6 times Check mismatching Off Cond Pipe sensor temp high 6 times p 1 time Cond Temp high Off Heat sink sensor temp high 6 times 2 times g Heat sink temp high Off Heat sink sensor open short 6 times 5 times Open Short Off Service Manual 105 Troubleshooting Guide 1 Troubleshooting CH01 CH02 06
123. ompressor Check the voltage between brown and blue cable of terminal to connect the Outdoor About AC220V 240V e Check the related circuit of relay in Outdoor PCB Ass y Check Point Comp ON Comp OFF Between Micom No 19 and GND DC 5V DC OV Between 01 10 and DC 1Vl DC 12V GND d Turn off main power 42 Check electrical wiring diagram of Outdoor side Check the open or short of connecting wires between Indoor and Outdoor 100 Universal System Air Conditioner Troubleshooting Guide Trouble 4 When indoor Fan does not operate Turn off main power d Check the connection of CN FAN d Check the Fan Motor d Check the Fuse AC250V 2 d Check the related circuit of indoor Fan Motor pin No 89 of micom and the part for driving SSR Q01M Check the related pattern Check the SSR SSR Open Indoor Fan Motor never operate SSR short Indoor Fan Motor always operates in case of ON or OFF d Turn on the main power d Check the SSR high speed operation by remote control the Indoor Fan Motor is connected The voltage of Pin No 1 orange and 3 black of CN FAN About 160 over About 50 over SSR is not damaged Check SSR Service Manual 101 Tr
124. on gt More than 20Cm mole s More than 5 More than 200m 50 70 70 Installation plate ii 120 n L Drain piping 70mm 070 hole 225 Left rear piping more than 200 Right rear piping Floor Spring washer Service Manual 35 Ceiling amp Floor AVNH BL Installation Plate Rear Side Unit mm Note 1 Pipe Specification mm Model Liquid Gas 18k 24k 06 35 12 7 More than More nan 30k 6 35 0 15 88 20 than 20 e Ceiling installation Suspension bolt W3 8 or M10 Center line for the piping hole 36 Universal System Air Conditioner 5 Wiring Diagrams AVNH EL WIRING DIAGRAM AVNH BL WIRING DIAGRAM OUT PIPE DC PCB ASSY ROOM IN PIPE THERMISTOR THERMISTOR THERMISTOR SE C CENTRAL CONTROL TELE CONTROL AC PCB ASSY CONTROL CAPACITOR CAPACITOR Ceiling amp Floor 3854A20419D TO OUTDOOR UNIT 3854A22004B CONNECTOR NUMBER LOCATION CONNECTOR NUMBER LOCATION CN POWER AC POWER SUPPLY CN TH2 DISCHARGE PIPE SENSOR CN MOTOR BLDC FAN MOTOR OUTPUT CN TH1 PIPE AND ROOM SENSOR CN D PUMP DRAIN PUMP OUTPUT CN HVB AIR CLEANER CN AC DC AC DC CONNECTION CN DOOR STEP MOTOR CN DISPLA
125. onditioner 4 Troubleshooting 05 CH53 Troubleshooting Guide Title Cause of error Check point amp Normal condition Power input 220V Outdoor Indoor 05 The connector for transmission is disconnected er The connecting wires are misconnected 2 e Communication poorly The GND1 2 is not connected at main GND 53 The communication line is shorted at GND Transmission circuit of outdoor PCB is abnormal Transmission circuit of indoor PCB is abnormal 1 2 MES 1 POWER TOINDOOR SUPPLY UNIT Co Check Point Check the input power AC230V Outdoor Indoor unit Check the communication wires are correctly connected Adjust the connection of wire gt Confirm the wire of Live Neutral Check the resistance between communication line and GND Normal Over 2 Check the connector for communication is correctly connected Check the connection of GND1 GND2 and main GND If one indoor unit is operated normally outdoor PCB is no problem Check the another indoor unit 5 is displayed at indoor unit CH53 is displayed at out door unit Service Manual 109 Troubleshooting Guide 5 Troubleshooting CH21 pid Title Cause of error Check point amp Normal condition An instant over current in the U V W phase Comp lock
126. onversion Formula Cooling Indoor Temperature 27 C 80 6 F DB 19 C 66 2 F WB Outdoor Temperature 35 C 95 F DB 24 C 75 2 F WB Heating Indoor Temperature 20 C 68 F DB 15 C 59 F WB Outdoor Temperature 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnecting Piping Length 7 5m Level Difference of Zero may be changed without notification 3 At least two indoor units should be connected 4 Wiring cable size must comply with the applicable local and national code kW Btu h x 0 0002931 kcal h Btu h x 0 252 CMM x 35 3 Service Manual 75 MPS Inverter SINGLE 3 Dimensional Drawings w Y X 4 holes for anchor bolts Air discharge grille 2 lt A NS SN SS W We AUUW126B 0012 WUEB AUUW186B 0018 WUEB AUUW246B 0024 WUEB ear Control Cover Gas side 3 way valve 2 way valve d Liquid sid ed iquid side e o 1 5 LT LI 4 Lou L6 do 18 AUUW126B 0012 WUEB AUUW186B 0018 WUEB AUUW246B UU24 WUEB mm 870 870 H mm 655 800 D mm 320 320 L1 mm 370 370 L2 mm 25 25 L3 mm 340 340 L4 mm 775 775 L5 mm 25 25 L6 mm 546 546 L7 mm 162 162 L8 mm 162 162 L9 mm 54 54 L10 m
127. or installation always con install the unit by yourself and installing the product tact the dealer or an customer Authorized Service Center There is risk of fire electric shock Sharp edges could cause injury There is risk of fire electric shock explosion or injury Be especially careful of the case explosion or injury edges and the fins on the con denser and evaporator Do not install the product ona Be sure the installation area Do not let the air conditioner defective installation stand does not deteriorate with age run for a long time when the humidity is very high and a door or a window is left open t may cause injury accident or If the base collapses the air condi Moisture may condense and wet or damage to the product tioner could fall with it causing damage furniture property damage product failure and personal injury Operational Do not touch operate the Do not place a heater or other Do not let electric parts of the product with wet hands appliances near the power product get wet cable There is risk of fire or electrical There is risk of fire or electric There is risk of fire failure of the shock shock product or electric shock 4 Universal System Air Conditioner Safety Precautions Do not store or use flammable gas or com If strange sounds or small or smoke comes bustibles near the product from product Turn the breaker off or discon nect the power
128. or way Keep proper distances of the unit from ceiling fence floor walls and other obstacles as shown in figure The indoor unit must have the maintenance space 8 2 Wiring connection 1 Connecting cables to the Indoor Unit 1 Remove the Air guide L by loosening 2 screws after removing the Inlet grille from the Indoor unit 2 Connect the wires to the terminals on the control board individually according to the outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively Terminal Block in Indoor 1 1 20 3 4 Connected to outdoor unit 2 Clamping of cables 1 Arrange 2 power cables on the control panel 2 First fasten the steel clamp with a screw to the inner boss of control panel 3 For the cooling model fix the other side of the clamp with a screw strongly More than 20cm More than zw Ceiling installation More than 20cm More than 20cm For the heat pump model put the 0 75 2 cable thinner cable on the clamp and tighten it with a plastic clamp to the other boss of the control panel 4 In Australia the length of power supply cord measured from the entry of the power supply cord to the middle of live pin on the power plug should be over 1 8m Service Manual 41 Ceiling amp Floor CAUTION 1 Install declination of the indoor unit is very important
129. ormal 3times 3times 40 Sensor Open Short 4times 0 41 INV D PipeTh Error Open Short 4times 1 44 Outdoor air Th Error Open Short e 4times 4times OFF 45 Cond Pipe Th Error Open Short e 4times 5times OFF 46 Suction Pipe Error Open Short e 4times 6times OFF 47 Const D pipe Th Error Open Short e 4times 7times OFF 51 Capacity over e 5times 1 OFF 53 Signal error Indoor lt gt Outdoor e 5times 3times OFF 60 EEPROM Check Sum Error e 6times 61 High e 6times OFF 62 Heatsink High e 6times 2times OFF 63 Cond Pipe Low e 6times 3times OFF 65 Heatsoml Th error Open Short e 6times 5times OFF 96 Universal System Air Conditioner Troubleshooting Guide Cycle Troubleshooting Guide m Trouble analysis 1 Check temperature difference between intake and discharge air and operating current Temp difference Current approx 0 C less than 80 of rated current All amount of refrigerant leaked out Check refrigeration cycle Temp Difference Temp difference Current approx 8 C less than 80 of rated current Refrigerant leakage Clog of refrigeration cycle Defective compressor Operating Current Temp difference less than 8 C Excessive amount of refrigerant Current near
130. oubleshooting Guide Trouble 5 When the louver does not operate Confirm that the vertical louver is normally geared with the shaft of Stepping Motor f the regular torque is detected when rotating the vertical louver with hands Normal EL Check the connecting condition of CN U D or CNOL R Connector Check the soldering condition on PCB of CN U D or CNOL R Connector XE Check the operating circuit of the vertical louver e Confirm that there is DC 12V between pin of CN U D CNOL R and GND Confirm that there is a soldering short at following terminals Between amp of MICOM Between 8 9 on of Between 4 and of ICO1M Between and of ICO1M If there problems after above Confirm the assembly condition that are catching and interfering parts in the link of the vertical louver 102 Universal System Air Conditioner Troubleshooting Guide General Information Bi Error Indicator Indoor The function is to self diagnosis air conditioner and express the troubles if there is any trouble Error mark is displayed on display window of indoor units and wired remote controller and LED of outdoor unit control board If more than two troubles occur simultaneously lower number of error code is first displayed After error occurs if error is released error LED
131. pen Short Main Volt DC12V Wired R C Wrong connection interference Wired Indoor Unit CN REM 12V S GND 12V S GND d 12Vdc Check the Volt Check the Volt Check Point 1 Check the wire connection Open Short Repair the connection 2 Check the soldering state of connector Soldered poorly Repair or Change the PCB 3 Check the volt Of main PCB power source DC 12V DC 5V gt Repair or Change the main PCB 4 Check the installation of wired remote controller Noise interference Adjust the state of installation Service Manual 107 Troubleshooting Guide 3 Troubleshooting CH04 pond Title Cause of error Check point amp Normal condition The connection of wire Drain pump Float switch 04 Drain pump Float switch Open Drain pump power input 220V Float switch Normal short Drain tube installation Indoor unit installation Inclination CN Float Check the resistance Check Point 1 Check the wire connection Open Soldered poorly Repair the connection or change the PCB 2 Check the resistance of float switch Abnormal Open Normal short Check the float switch 3 Check the level of water 4 Check the volt Of Drain pump power supply 230V gt Repair or Change the main PCB 108 Universal System Air C
132. percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness 8 Never fail to equip a leakage breaker where it is wet or moist 9 The following troubles would be caused by voltage drop down Vibration of a magnetic switch damage on the contact point there of fuse breaking disturbance to the normal function of a overload protection device Proper starting power is not given to the compressor 10 The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least 3mm in each active phase conductors Service Manual 43 Ceiling amp Floor 9 Accessories Standard Accessories Washer for Insulation for hanging backet fitting Drain hose Clamp metal 1 EA 8EA 1 set Owner s manual Installation manual for gas pipe for liquid pipe Optional Accessories For Unit No Component Parts Central control 1 Central control Simple PQCSA101S0 Installation manual PCB 1EA 2 485 Gateway For central control PHNFP14A0 Installation manual Wire assembly 44 Universal System Air Conditioner Ceiling Concealed Duct Ceiling Concealed Duct Ceiling Concealed Duct 2
133. r of heat exchanger constant It also saves power 4 10mm maintenance Cost Salt Spray Test Result After 360 hours Test Standard ASTM B 117 KS D 9502 Service Manual 71 MPS Inverter SINGLE 2 Specifications Nominal Capacity and Nominal Input Indoor Units ATNH126ELFB C ATNH186ELFB C ATNH246FLFB C ATNH306FLFB C UT12 NEB C UT18 NEB C UT24 NFB C UT30 NFB C Outdoor Units AUUW126B AUUW186B AUUW246B AUUW306B UU12W UEB UU18W UEB UU24W UEB UU30W UEB Nominal Capacity Cooling kw 1 35 3 52 4 69 1 35 5 28 6 33 1 35 7 03 8 44 1 35 8 21 9 85 Min Rated Max Btu h 4 600 12 000 16 000 4 600 18 000 21 600 4 600 24 000 28 800 4 600 28 000 33 600 Heating kw 1 41 4 04 5 28 1 41 5 95 7 28 1 41 8 09 9 38 1 41 9 44 11 3 Btu h 4 800 13 800 18 000 4 800 20 300 24 840 4 800 27 600 32 000 4 800 32 200 38 640 Nominal Input Cooling kw 0 38 1 07 1 45 0 48 1 64 2 37 0 49 2 19 2 97 0 49 2 55 2 98 Min Rated Max Heating 0 45 1 10 1 35 0 59 1 65 2 37 0 63 2 21 3 07 0 70 2 60 4 50 Nominal Capacity and Nominal Input Indoor Units ATNH366DLFB C ABNH186HLAB C ABNH246HLAB C ABNH306GLAB C UT368 NDB C UB18 NHB C UB24 NHB C UB30 NGB C Outdoor Units AUUWS66B AUU
134. r Temperature Sensor Thermistor Thermistor Thermistor Thermistor Referigerant R 410A R 410A R 410A R 410A Referigerant Control Capillary LEV LEV LEV Connectable outdoor unit Single A Single A Single A Single A Power and transmission interunit cable No x 4 0 75 4 0 75 4 0 75 4 0 75 1 Capacities are based on the following conditions conversion Fo eg 1 Cooling Indoor Temperature 27 C 80 6 F DB 19 C 66 2 F WB Outdoor Temperature 35 95 DB 24 C 75 2 F WB kcal h Btu h x 0 252 Heating Indoor Temperature 20 C 68 F 15 C 59 F WB 35 3 Outdoor Temperature 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnecting Piping Length 7 5 Level Difference of Zero 2 Cooling heating capacity of indoor unit can be lower when it is connected to MPS variable outdoor 3 Wiring cable size must comply with the applicable local and national code 16 Universal System Air Conditioner Ceiling Cassette 4 way Indoor unit type Ceilling Cassette Away Model ATNH366DLFC ATNH486DLFB ATNH606DLFB UT36 UT48 NDB UT60 Power Supply ON Hz 1 220 240 50 1 220 240 50 1 220 240 50 Cooling Capacity kW 10 6 144 16 4 Btu h 36 000 48 000 56 000 Heating Capacity kW 12 1 15 5 18 1 Btu h 41 400 52 800 61 600 Current Nominal running current A 0 76 1
135. rews reach the key hole edge 4 Retighten completely two temporarily fixed screws and other two screws Total 4 screws 5 Connect the louver motor connector and display connector 6 After tightening these screws install the air inlet grille including the air filter Air conditioner unit Piping side Decoration panel fixing screws hexagon M5 screws Control box cover fitting at 2 places Tightening about 10mm Louver motor Decoration panel Display Lead wire for louver motor and 228 display 1 25 4 Decoration panel fixing screws Hexagon 5 screw Inlet Grille h NCAUTION Install certainly the decoration Good example Bad example panel Cool air leakage causes sweating Water drops fall Air conditioner unit Air conditioner Air Cool air leakage J 0009 N U N 5 Decoration panel Decoration Fit the insulator this part and panel be carelul for cool air leakage 28 Universal System Air Conditioner Ceiling Cassette 4 way 8 5 Indoor Unit Drain Piping Upward Pipe cl Drain piping must have down slope 1 50 to 1 100 be sure T routing not allowed not to provide up and down slope to prevent reversal flow During drain piping connection be careful not to exert extra force on the drain port on the indoor unit The outside diameter of the drain connec
136. rigerant connecting a pipe e 220 Si 2 m Knockout hole 45 60 For the control wiring the power supply refrigerant connecting pipe Unit mm Service Manual 79 MPS Inverter SINGLE 4 Wiring Diagrams AUUW126B UU12 WUEB INVERTER OUTDOOR WIRING DIAGRAM COMPRESSOR REACTOR OR CN FAN A d PE BK 2 o CN COIL2 CN FAN B gt 0 YL 9 CN 4WAY 39 AWAY VALVE CRANKCASE CN HEATER HEATER CN TH og one CN OIL S HL 39 OIL SEPERATOR CONSTANT RY C COMP BR COMPRESSOR lo al BR 2 m MO 85 o HISINK AIR PIPE SUC DISP DISP C GND 1 GND 2 o BR BROWN OR ORANGE RD YELLOW 3854 22009 80 Universal System Air Conditioner MPS Inverter SINGLE AUUW186B 0018 WUEB INVERTER COMPRESSOR OUTDOOR WIRING DIAGRAM 888 6000 CN JIG PC CN CENTRAL CN WRITER 0000 CN COIL1 CN COIL2 MAIN PCB CN 4WAY CN TH1 CN TH2 I CN TH3 AIRIPIPE SUC DISP I CN GND1 CN GND2 e LOW PRESS SWITCH CN PRESS
137. rs 5 times in 1 hour stop the operation and shows Self Diagnosis Error Mode 22 Model cooling heating 612 1 1 12 11 18k 36k 11 12 14 48 60k 13A 14A 16A 148 Universal System Air Conditioner Outdoor Units 3 3 Inverter Protection control 2 3 3 1 Function Power module failure protection by checking the temperature of heat sink There is a temperature sensor for checking the heat sink temperature 3 3 2 Heat sink sensor failure error Short Check if temperature gt 130 Open Check if temperature 30 System will go in self diagnosis error 65 is displayed and product stops 3 3 3 Heat sink temperature control 8 Heat sink temperature T2 No limitation on compressor frequency b T2 lt heat sink temperature lt Toff Compressor frequency down by 5 Hz Heat sink temperature gt Toff Compressor will be off System will stop if this situation occurs 5 times in 1 hour and error code will be generated also self diagnosis will start If high temperature situation occurs 5 times in 1 hr system counts 1 error and after that 4 times if this situation occurs system stops and give error code If the temperature reached Toff condition system will count 5 times after that and system will stop with error code Heat Sink temp Toff 85 C T2 75 C T1 70 C COMP Set 5 Hz Set 5 Hz OFF Set Hz frequency Down frequency Down frequency Service
138. rvice Manual 173 Exploded View amp Replacement Parts List Parts List LOCATION No DESCRIPTION Part No AUUWSOGB 0030 WUEB SVC CODE 137213 1 PANEL ASSEMBLY SIDE 3721 10110 137213 2 PANEL ASSEMBLY SIDE 3721 10111 152503 NIPPLE DRAIN 4H01010A 567480 1 THERMISTOR ASSEMBLY INV D PIPE amp S PIPE SENSOR 6323A20020J 567480 2 THERMISTOR ASSEMBLY CONDENSOR A AIR SENSOR 6323A20020H 263230 1 THERMISTOR ASSEMBLY CONSTANT D PIPE SENSOR 6323A20001K 352113 TUBE ASSEMBLY DISCHARGE SINGLE 5211A23013K 430410 BASE ASSEMBLY OUTDOOR 3041AP2741H 435300 GRILLE REAR 3530A10176B 435511 COVER ASSEMBLY CONTROL OUTDOOR 3A01919B 435512 COVER ASSEMBLY TOP OUTDOOR 3551A30113C 437211 PANEL ASSEMBLY FRONT OUTDOOR 3721A10109A 447910 BARRIER ASSEMBLY OUTDOOR 4791A10019A 546810 1 MOTOR ASSEMBLY OUTDOOR 4681AR1392Y 546810 2 MOTOR ASSEMBLY OUTDOOR 4681AR1392Z 548490 ACCUMULATOR ASSEMBLY MECH 4849A22003L 552111 TUBE ASSEMBLY CAPILLARY 5211A22010D 552113 TUBE ASSEMBLY CONDENSER OUT 5211A21366B 552115 TUBE ASSEMBLY MENIFOLD OUTDOOR 5211A21447A 552116 TUBE ASSEMBLY REVERSING 5211A20896B 552203 1 VALVE SERVICE INVERTER 5220A20013A 552203 2 VALVE SERVICE CONSTANT 5220A20007A 552204 VALVE SOLENOID
139. s of the control panel 4 In Australia the length of power supply cord measured from the entry of the power supply cord to the middle of live pin on the power plug should be over 1 8m 62 Universal System Air Conditioner Ceiling Concealed Duct 9 4 Insulation THERMAL INSULATION All thermal insulation must comply with local requirement INDOOR UNIT Union for liquid pipe Thermal insulator for refrigerant pipe Local supply Thermal insulator for piping Local supply Refrigerant pipe and thermal N Hose crip for thermal insulator Local supply Thermal insulator for refrigerant pipe Local supply Overlap with thermal insulator for piping Hose crip for thermal insulator Local supply Make sure that there is no clearance here Union for gas pipe 9 5 Checking the Drainage 1 Remove the Air Filter 2 Check the drainage Spray one or two glasses of water on the evapo rator Ensure that water flows to drain hose from indoor unit without any leakage Service Manual 63 Ceiling Concealed Duct 1 Decline Installation of indoor unit is very important for the drain of the duct type air conditioner 2 Minimum thickness of the insulation for the connecting pipe should be 5mm The unit must be or declined to wards drain hose while installation
140. sis control Expansion valve up by every 1 min If LEV is in the starting control it will follow it as it is c Discharge pipe temperature gt Toff Compressor will be OFF System will stop if this situation occurs 5 times in 1 hour and error code will be generated Toff 105 C D Pipe temp T2 95 C T1 90 C Expansion On time On time valve control control Service Manual 147 Units 3 2 Inverter Protection control 1 3 2 1 Function Controlling total power current to protect power semiconductor devices from burn out by the low current including connecting mistake and over current 3 2 2 Operating process 1 Detection check the output DC voltage of Current Transformer C T 2 Current Transformer Sensing Error a In initial power input if the CT output is over 4 0V 25A it shows Self Diagnosis Error Mode 40 defect in CT sensing 3 CT 1 detection a If total current exceeds CT1 value reduce 1 step of operating Hz Step down 10Hz from current step If new Hz is below cooling Fc min heating Fh min then turn off the compressor b After step down if the total current exceed i1 for more than 5 sec then step down 1 more step C If the current continue below i1 for more than 1 min return the Hz to setting Hz 4 CT 2 detection If total current exceeds CT2 turn off compressor And after 3 min turn on the compressor and check the current again b If CT2 occu
141. stallation Low Noise Advanced airflow system and cross flow fan give quiet and more comfortable environment Vertical Airflow amp Balanced Temperature Distribution The heat distribution graph shows an example of even tem perature distribution achieved by the auto swing airflow Downward 32 Universal System Air Conditioner Ceiling amp Floor 2 List of Functions Category Function AVNH EL AVNH BL Air supply outlet 1 1 Airflow direction control left amp right Manual Manual Airflow direction control up amp down X Auto Auto swing left amp right X X Air flow Auto swing up amp down Airflow steps Fan Cool Heat 3 41 83 3 4183 CHAOS swing Wall mounted Artcool X CHAOS wind Auto wind Power wind Swirl wind Deodorizing filter X Air purifying Plasma air purifier X Prefilter Washable Anti fungus Installation Electric heater Operation High ceiling operation Hot start Reliability Self diagnosis Soft dry operation Convenience Auto changeover Auto cleaning Auto operation Artificial intelligence Auto restart operation Child lock Forced operation Group control gt gt x O O gt O gt lt O O XXX O O O X X X x O X X X O O Xx gt gt O gt gt lt gt gt X X O O gt l
142. sy condensate drain Taking into accounting the noise prevention criteria Spot the installation location Do not install the unit near the door way Keep proper distances of the unit from ceiling fence floor walls and other obstacles as shown in figure The indoor unit must have the maintenance space Ceiling Board 30 or more 30 or less Above 250 400 or less Unit cm Service Manual 25 Ceiling Cassette 4 way 8 2 Ceiling opening dimensions and hanging bolt location The dimensions of the paper pattern for installation are the same as those of the ceiling opening dimensions LS FSS RES Ceiling 22 ao Level gauge TE Model 600 Ceiling opening 790 Ceiling opening 875 Ceiling opening 572 Hanging bolt 521 Hanging bolt 39 5 45 n 45 840 Unit size 658 Hanging bolt 790 Ceiling opening 101 5 672 Hanging bolt 875 Ceiling opening 840 Unit size 672 Hanging bolt 600 Ceiling opening 744 Unit size 570 Unit size Unit mm Unit mm CAUTION Select and mark the position for fixing bolts and piping hole Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose Drill the hole for anchor bolt on the wall This air conditioner uses a drain pump Install the unit horizontally using a level gauge During the ins
143. t O gt OO X X OOO Sleep mode Timer On Off Timer weekly Two thermistor control Standard wired remote controller PCRCUSZO Deluxe wired remote controller X Individual control Simple wired remote controller X Wired remote controller for hotel use X Wireless remote controller simple Wireless LCD remote controller X General central control Non LGAP X Dry contact PQDSB PQDSB CAC network function Simple central control LGAP PDI Power Distribution Indicator PQNUD1S00 PQNUD1S00 485 14 0 14 0 X X Special function kit Zone contol Others Thermistor AQTTA AQTTA Note In VB chassis high ceiling operation child lock group control timer weekly and two thermistor control can operate only with standard wired remote controller Group control amp CAC network function is not available which is connected with synchro O Applied X Not applied No relation Option Model 8 price are different according to options and assembled in factory with main unit Accessory Installed at field ordered and purchased separately by the corresponding model name supplied with separate package Service Manual 33 Ceiling amp Floor 3 Specifications Indoor unit type Ceilling amp Floor
144. t can be installed even in a limited space and saves construction cost with slim thickness Discharge Flexible Duct Air Discharge Air Intake Ceiling 7 Port Board Ceiling Board Inspection Port Innovative Design of Fan and Housing System Low Noise Easy Serviceability Plastic Fan and Housing Assembly Designed for low noise Designed to reduce weight Designed for easy service This product guarantees lower sound level and gives lesser service expenses 46 Universal System Air Conditioner e LG s High Technology provide Easy and Low cost Design of Duct work Generally when External Static Pressure increases air volume decreases But by controlling the phase of motor while installing the product E S P is controlled from 8 10 linearly E S P control provides required constant air volume irrespective of ESP change Desired ESP can also be set through LCD wired remote control Setting of the desired ESP gives required combination of ESP and airflow Plasma Air Purifying Kit Accessory The PLASMA Air Purifying Function not only removes microscopic contaminants and dust but also removes house mites pollen and pet fur helps to prevent allergic diseases like asthma Dust electrode discharge Dust particles lonizer Photo Catalyst Coated Mesh mum 44 8KV discharge NM III NAM LT e Polluted Air HE Purified fresh Air NN N HON OMM tt
145. tallation care should be taken not to damage electric wires NOTE Avoid the following installation location 1 Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated These may cause heat exchange efficiency reduction or water drops drain pump mal function In these cases take the following actions Make sure that ventilation fan is enough to cover all noxious gases from this place Ensure enough distance from the cooking room to install the air conditioner in such a place where it may not suck oily steam 1 1 Air conditioner q Take enough distance 2 Avoid installng air conditioner in such places where cooking oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid place where noxious gas is generated 5 Avoid places near high frequency generators Use the ventilation fan for smoke collecting hood with sufficient capacity Cooking table 26 Universal System Air Conditioner Ceiling Cassette 4 way Ceiling Hanging bolt W3 8 or M10 Nut W3 8 or M10 Spring washer M10 Keep the length of the bolt from the bracket to 40mm Flat washer for M10 Y accessory Ceiling board Flat washer for M10 accessory Paper pattern Set screw of Nut for installation paper pattern 4 pieces W3 8 or M10 Adjust the same height Open the ceiling board along the
146. ted to MPS variable outdoor 3 Wiring cable size must comply with the applicable local and national code Service Manual 49 Ceiling Concealed Duct Indoor unit type Ceilling Concealed Duct High Static Model ABNH366GLAB ABNH486RLAB ABNH606RLAB UB36 NGB UB48 NRB UB60 NRB Power Supply ONIMHz 1 220 240 50 1 220 240 50 1 220 240 50 Cooling Capacity kW 10 6 14 1 16 4 Btu h 36 000 48 000 56 000 Heating Capacity kW 12 1 15 5 18 1 Btu h 41 400 52 800 61 600 Current Nominal running current A 1 42 3 65 3 65 Fan Motor Type Induction Induction Induction Fan Type Sirocco Fan Sirocco Fan Sirocco Fan Motor Output x Number of Unit 272 2 431 2 431 2 Air Flow Rate H M L cmm 32 29 26 40 35 30 50 45 40 1130 1024 918 1413 1236 1059 1766 1413 1236 External Static Pressure mmAq 10 15 15 Capacitor uF Vac 6 370 15 450 15 450 Drive Direct Drive Direct Drive Direct Drive Coil Row x Columns x mm 3R x 10C x 21 3R x 13C x 19 4R x 13C x 19 Dimensions WxHxD Body mm inch 1180 298 450 46 5 11 7 17 7 1230 380 590 48 4 15 0 23 2 1230 380 590 48 4 15 0 23 2 Weight Body kg Ibs 38 84 60 132 60 132 Air Filter Long life filter Long life filter Long life filter Sound Level H M L 3 42 39 36 44 42 40 46 44 42 Piping Liquid 6 35 1 4 9 52 3 8 9 52 3 8 Connections Gas mm inch 15 88 5 8 19 05 3 4
147. tion on the indoor unit is 32mm Maintenance drain port Piping material Polyvinyl chloride pipe VP 25 and pipe fittings Be sure to install heat insulation on the drain piping Heat insulation material Polyethylene foam with thickness more than 8 mm MAX 700mm The air conditioner uses a drain pump to drain water Use the following procedure to test the drain pump operation Flexible drain hose Connect the main drain pipe to the exterior Feed water 4 accessory and leave it provisionally until the test comes to an end Main drain pipe Feed water to the flexible check the piping for leakage Drain sure to check the drain pump for normal Drain Pump port operating and noise when electrical wiring Drain hose connection is complete ese DS A When the test is complete connect the flexible drain hose to the drain port on the indoor unit Drain pan Flexible drain hose N CAUTION 1 50 1 100 The supplied flexible drain hose should not be curved neither screwed The curved or screwed hose may cause a leakage of water MAX 700mm CAUTION After the confirmation of the above conditions prepare the wiring as follows 1 Never fail to have an individual power specialized for the a
148. tity 1 1 1 Model 5CS130XCC03 5CS130XCC03 5CS130XCC03 Motor Input kW 1 41 1 41 1 41 Oil Charge cc 480 480 480 Oil Type RB68A POE RB68A POE RB68A POE Compressor Type Rotary Rotary Rotary Constant Model 5JS315D 5JS315D 5053150 Quantity 1 2 2 Motor Input kW 2 99 2 99 x 2 2 99 x 2 Oil Charge cc 1130 1130 x 2 1130 x 2 Oil Type RB68A POE RB68A POE RB68A POE Refrigerant Charge at 7 5m g oz 3500 123 45 7100 250 4 7100 250 4 Type R410A R410A R410A Control L E V L E V L E V Heat exchanger Fins per inch 18 18 18 No of Rows amp Column No 2R 52C 2R 53C x 2 2R 53C x 2 Tube Size OD mm inch 7 0 0 276 7 0 0 276 7 0 0 276 Defrosting Method Reversing cycle Reversing cycle Reversing cycle Fan motor Model 1C28640LG28J x 2 ARE676E01 ARE676E01 Output kW 0 12x2 0 27 0 27 Capacitor 6 370 10 370 10 370 Propeller Propeller Propeller Fan No Used Diameter EA mm inch 460 2 18 1 526 1 20 7 526 1 20 7 Discharge Side Top Side Discharge Top Discharge Top Discharge Air Circulation CMM CFM 53 1872 2 90 3179 90 3179 Noise Level Sound Press 1m 3 58 54 59 56 59 56 Piping connections Liquid mm inch 6 35 1 4 9 52 3 8 9 52 3 8 Gas mm inch 15 88 5 8 19 05 3 4 19 05 3 4 Max Piping Length Elevation m 50 30 70 30 70 30 Additional Refrigerant Charge g m 35 Over 7 5m 50 Over 30m 50 Over 30m p dmm are based on the following conditions 2 Due to our policy of innovation some specifications C
149. tor body in the same manner as the following table If more than two troubles occur simultaneously primarily the highest trouble fo error code is expressed After error occurrence if error is released error LED is also released simultaneously To operate again on the occurrence of error code be sure to turn off the power and then turn on Having or not of error code is different from Model Indoor Error Error code Description INV TPS en 00 Error e ON 01 Indoor Room themistor error e OFF 02 Indoor in piping sensor error e 2times OFF 03 Remote controller error e 3times OFF 04 Drain Pump error e 4times OFF 05 Communcation error between in and out e 5times OFF 06 Indoor Out Piping sensor error e 6times OFF 07 Differnt mode operation 7times Outdoor Error Error Code Description INV TPS I Sane 21 DC Peak IPM Fault e 2times 1 22 2 CT 2times 2times 23 DC Link Low Volt e 2times 3times OFF 24 L P Heater Sink e 2times 4times OFF 25 Low voltage Over voltage 2times 5times 26 DC Comp Position Error 2times 6times OFF 27 PSC Fault Error 2times 7times OFF 28 DC Link High Volt e 2times 8times OFF 32 D Pipe High INV e 3times 2times OFF 33 D Pipe High N
150. ulfurous acid gas or corrosive gas is generated 5 Avoid places near high frequency generators Service Manual 61 Ceiling Concealed Duct Select and mark the position for fixing bolts Insert the set anchor and washer onto the suspen Drill the hole for set anchor on the face of ceiling sion bolts for locking the suspension bolts on the ceiling Mount the suspension bolts to the set anchor firmly Secure the installation plates onto the suspension bolts adjust level roughly using nuts washers and spring washers Old building New building zz K 5 Suspension bolts CAUTION Tighten the nut and bolt to prevent unit falling 9 3 Connecting Cables Connect the wires to the terminals on the control board individually according to the outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively Terminal Block in Indoor 10 200 3 4 Connected to outdoor unit A WARNING Make sure that the screws of the terminal are free from looseness Clamping of cables 1 Arrange 2 power cables on the control panel 2 First fasten the steel clamp with a screw to the inner boss of control panel 3 For the cooling model fix the other side of the clamp with a screw strongly For the heat pump model put the 0 75mm cable thinner cable on the clamp and tighten it with a plastic clamp to the other bos
151. ve Coil Row x Columns x FPI mm 3R x 10C x 21 3R x 10C x 21 3R x 12C x 21 Dimensions WxHxD Body mm inch 880 260 450 34 6 10 2 17 7 880 260 450 34 6 10 2 17 7 1180 298 450 46 5 11 7 17 7 Weight Body kg Ibs 35 77 2 35 77 2 38 84 Air Filter Long life filter Long life filter Long life filter Sound Level H M L 3 36 34 32 38 36 34 34 38 35 Piping Liquid mm inch 6 35 1 4 6 35 1 4 6 35 1 4 Connections Gas mm inch 12 7 1 2 12 7 1 2 15 88 5 8 Drain OD ID mm 32 25 32 25 32 25 Dehumidification Rate 2 0 2 5 3 3 Safety devices Fuse Thermal protector for fan motor Fuse Thermal protector for fan motor Fuse Thermal protector for fan moto Temperature Sensor Thermistor Thermistor Thermistor Referigerant R 410A R 410A R 410A Referigerant Control LEV LEV LEV Connectable outdoor unit Single A Single A Single A Power and transmission interunit cable No x mm 4 0 75 4 0 75 4 0 75 Note Conversion Formula 1 Capacities are based on the following conditions kW Btu h x 0 0002931 Cooling Indoor Temperature 27 C 80 6 F DB 19 C 66 2 F WB 10 24 WB oW 5 SCH Heating Indoor Temperature 20 C 68 F DB 15 C 59 F WB Outdoor Temperature 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnecting Piping Length 7 5m Level Difference of Zero 2 Cooling heating capacity of indoor unit can be lower when it is connec
152. website http www lgservice c e mail http www lgeservice p html LG Universal System Aur Conditioner SE UAL CAUTION SER NIT READ THE SAFETY AUTIO MANUAL NLY FOF D SERVICE PERSONNEL TABLE OF CONTENTS Safety Precautions 3 I Indoor Units ua a Ed 8 Ceiling Cassette E 10 Ceiling u sta 31 Ceiling concealed D RTE 45 II Outdoor Units RE 67 MPS Inverter Single AAUUW B 69 Ill Troubleshooting Guide Self diagnosis Function eo ba 96 Cycle Troubleshooting 97 Electronic Parts Troubleshooting 98 General Information eene eher 103 IV Electronic Control Device Ceiling Cassette ted a 120 6 1 3 m 121 m lero usul 123 V Schematic Diagram Ceiling RESET 126 WO ET 127 Ceiling amp 00155565 6 128 V Functional Description Gassette 130 Celling Duct DB 132 e EE 135 Q utdoor UMIS 138 VII Explode View and Replacement Parts List HOOF WINS 25515 R E A 151 Outdoor Bu 169 Panel Assembly 0 aeo Ge
153. wing conditions Cooling Indoor Temperature 27 C 80 6 F DB 19 C 66 2 F WB Outdoor Temperature 35 C 95 F DB 24 C 75 2 F WB Heating Indoor Temperature 20 C 68 F DB 15 C 59 F WB Outdoor Temperature 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnecting Piping Length 7 5m Level Difference of Zero 2 Cooling heating capacity of indoor unit can be lower when it is connected to MPS variable outdoor 3 Wiring cable size must comply with the applicable local and national code Conversion Formula kW Btu h x 0 0002931 kcal h Btu h x 0 252 x 35 3 Service Manual 17 Ceiling Cassette 4 way 4 Dimensional Drawings 670 ATNH EL Decoration Panel PT HEA PT HEC 600 Ceiling opening 39 5 521 bolt 39 5 570 Unit size 450 Hanging bolt 7 600 Ceiling opening 570 Unit size Unit mm ce 40 D 2 110 _ 110 EY

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