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Free Joint Multi Type Air Conditioner

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2. GN Be Lamm CN UD BL CN HVB BL 88888888 9 9 9 9 9 9 elelelele 9 9 9 6 8 68 08 Lo ps mm 8 2 8 2 ree ee CN LE2WH mE E oo n ane gt cb EN CM 62 ds e e Es I EB ib OEE mimpi zo veel eso 9 8 Kal 8x o amp E hy 2 sle sgg 901 1 92 se C 3 Llb 6 u e 8 jo cost del 9 GER OY gt OIO e 8 8 4 OR3H_ _ORSH H 618 818 8 5 M 5 o 9 r ES epe Go CCC EX Per 9 A A 8 Je 0 15 4 Go LI lt 90000 g 676 2 C6 V IV n 88 LI 656616 Go E Go ze odd of sE LI III C OY 8 co B 213 D UDIY COSY Om lt x el NAIN P C B AC ASM Deo 9 cvi _ qva JD 6870 20016 6871420381 D 090 6 7 19 0 EFE lt 8 30 Free Joint Multi Air Conditioner Electronic Control Device Outdoor Unit A2UC146FA0 A2UH146FA0 20 186 0 A2UH186FA0 A3UC216FA0 A3UH216FA0 A4UC306FA0 A4UH306
3. 72 Free Joint Multi Air Conditioner Exploded View amp Replacement Parts List Y ANNL Service Manual 73 Exploded View amp Replacement Parts List DESCRIPTION de No A3UH216FA0 A3UC216FA0 CODE 135314 GRILLE REAR 1A00207B R 137213 1 PANEL ASSEMBLY SIDE 1A00201D R 137213 2 PANEL ASSY SIDE 3A02284M R 263230 THERMISTOR ASSEMBLY 6323A20023A 6323A20023B R 430410 BASE ASSEMBLY OUTDOOR 3041AP2741H 3041AP2741H R 435301 GRILL DISCHARGE 3530A20007B R 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A30088D 3551A30061G R 435512 COVER ASSEMBLY TOP OUTDOOR 3551A30113B 3H03266K R 437211 PANEL ASSEMBLY FRONT OUTDOOR 3721A23001A 3721A20005P R 437212 PANEL ASSY REAR 3720AP0003F R 447910 BARRIER ASSEMBLY OUTDOOR 4791 A30004K 4791 A30004K R 546810 MOTOR ASSEMBLY OUTDOOR 4681A20028J 4681A20028J R 548490 ACCUMULATOR ASSEMBLY MECH 4849A20039A 4849A20042A R 550140 ISOLATOR COMP 4H00982E 4H00982E R 552112 TUBE ASSEMBLY CONDENSER IN 5211A01001B 5211A10458A R 552113 TUBE ASSEMBLY CONDENSER OUT 5211A00001A 5211A00001B R 552114 TUBE ASSEMBLY DI
4. POWER CNTH VI PIPE TEMP AIR TEMP SENSOR SENSOR SS OUTDOOR WIRING DIAGRAM CN LEV4 CN LEV3 CN LEV2 CMLCVI WE X wn 80 MAIN PWBASSY CN FAN1 WH CN POWER 8 WH Jan CN HLS4 PIPE TEMP AIR SENSOR SENSOR 8 RD 00 Bk aw P NO 3854A20216U PINO 3854A20216V Electronic Control Device E Electronic Control Device AMNCO76LQLO AMNCO96LQL0 AMNC126LRL0 AMNC186LTLO AMNC246LTLO AMNH076LQL0 AMNHO96LQLO AMNH126LRLO AMNH186LTLO AMNH246LTLO AMNH096LQA0 AMNH246LQA0 MAIN P C B DC ASM L E a 552 le AA J20 CN L R K rm s W gies PWB 6870490097C A5M 6871420440 e MAIN P C B ASM 19202 14 89 8M Service Manual 29 Electronic Control Device AMNH096APB1 AMNH096APM1 AMNH096APD1 AMNH126APB1 AMNH126APM1 AMNH126APD1 AMNC096APB1 AMNC096APM1 AMNC096APD1 AMNC126APB1 AMNC126APM1 AMNC126APD1 MAIN P C B DC ASM
5. Gas side 3 way valve I Liquid side 2 way valve MODEL a A2UC146FA0 A2UH146FA0 801 555 mm 262 L1 mm 339 L2 mm 300 L3 mm 37 L4 mm 543 6 L5 mm 11 4 L6 mm 591 L7 mm 105 L8 mm 105 L9 mm 72 5 L10 mm 74 5 L11 mm 79 18 Free Joint Multi Air Conditioner Dimensions 2 2 A2UC186FA0 A2UH186FA0 w N 224 Gas side z ka 5 3 Way valve 51 il Liquid side 2 Way valve zz 2 Te d L8 L9 sl MODEL A2UC186FA0 A2UH186FA0 DIM VV mm 870 H mm 655 mm 320 L1 mm 360 L2 mm 340 L3 mm 25 L4 mm 630 L5 mm 25 L6 mm 546 L7 mm 160 L8 mm 160 L9 mm 44 L10 mm 64 5 L11 mm 50 Service Manual 19 Dimensions 2 3 0 216 0 A3UH216FA0 L1 Fa e a n a e e e 10L11 L11 L11L11 L11 rc o Liquid side 2 way valve MODEL A3UC216FA0 A3UH216FA0 W mm 870 H mm 655 mm 320 L1 mm 360 L2 mm 340 L3 mm 25 L4 mm 630 L5 mm 25 L6 mm 546 L7 mm 160
6. LINN HOOQNI OL FUSE 250V 13 15M CN TH1 99 PIPE SENSOR 3854A20375B P NO 3854A20375A 3 A2UC186FA0 4 A2UH186FA0 OUTDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRAM G 9 Cie SN CN LEV2 CNLEVI CN LEV2 M B WH OMP OMP RD RD MAIN PWB ASSY MAIN PWB 55 TO TO INDOOR 27 a UNIT B 4 CN FAN nu 4 WWE M INDOOR A MAN 1 4 GN POWER POWER CR POWER CN TH 8 WH joo o 9J RD CNHLSA 99 RO 1222 7 we AIR TEMP TEMP TEMP PIPE AIR TEM SENSOR SENSOR P NO 3854A20392A P NO 3854A20216T Service Manual 27 Wiring Di
7. gt U Outdoor N Indoor Multi Type M Multi Making place Refrigerant gt Changwon of korea R410A Service Manual 7 Product Specifications Product Specifications 1 Outdoor A2UH146FA0 A2UH186FA0 A3UH216FA0 A4UH306FA0 kcal hr 2369 3629 1764 4536 2016 5292 2268 7560 Cooling Capacity W 2755 4220 2051 5275 2345 6154 2638 8792 Btu hr 9400 14400 7000 18000 8000 21000 9000 30000 kcal hr 2520 3679 2268 4990 2268 5292 2520 8316 Heating Capacity W 2931 4279 2638 5803 2638 6154 2931 9671 Btu hr 10000 14600 9000 19800 9000 21000 10000 33000 Input Cooling 1300 1500 780 1900 880 2100 1100 3250 Heating 1300 1500 1200 1900 1350 2200 1310 3600 Running Current Cooling A 6 1 6 6 3 5 8 5 4 0 9 4 4 8 15 Heating 6 0 7 0 5 5 8 5 6 0 9 8 6 0 16 5 Power Supply Q V Hz 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 L R A A 37 24 25 2 35 5 Compressor A Type Rotary Rotary Rotary Rotary Oil Type FVS68D PVE FV50S PVE FV50S PVE FV50S PVE O L P Type Internal MRA98781 9090 MRA99150 9090 Internal LRA A 17 2 20 3 25 2 Compressor B Type Rotary Rotary Rotary Oil Type FV50S PVE FV50S PVE FV50S PVE O L P Type MRA99901 9090 MRA99282 9090 MRA99150 9090 Charge g 1100 at 7 5m 1350 at 7 5m 1500 at 7 5m 2500 at 7 5m Refrigerant Type R410A R41
8. 5 I d H el i SAFETY Su EI OJAN SAFETY S W2 ma BE v v v v d SW FORCE TO OUTDOOR UNIT DISPLAYPWBASM INDOOR WIRING DIAGRAM 3854A20135W CN POWER 2 AMNHO96APB1 AMNHO96APM1 AMNHO96APD1 AMNH126APB1 AMNH126APM1 AMNH126APD1 096 1 AMNCO96APD1 126 1 126 1 AMNC126APD1 PWB ASM DCPWBASM f vum z BK 1 8 2 i 5 DISPLAY ase 3854A20135Y 26 Free Joint Multi Air Conditioner Wiring Diagram 2 A2UH146FA0 OUTDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRAM MAIN PCB gt wonn lt MAIN PCB lt o o
9. sie S 8 3348438438 333 E EEEEEEEEEEEEE 34 Free Joint Multi Air Conditioner A Functions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor THERMISTOR Room temperature control Functions e Maintains the room temperature in accordance with the Setting Temp Starting Current Control Indoor is delayed for 5 sec at the starting Time Delay Safety Control Restarting is inhibited for approx 3 minutes Indoor Fan Speed Control High Med Low CHAOS JET COOL Operation indication Lamps LED Refer to 37 page signal receptor Soft Dry Operation Mode Intermittent operation of fan at low speed Sleep Mode Auto Control The fan is switched to low Cooling med Heating speed The unit will be stopped after 1 2 3 4 5 6 7 hours Natural Air Control by CHAOS Logic The fan is switched to intermittent or irregular operation The fan speed is automatically switched from high to low speed m Airf
10. A D TotalBtuhr Btu hr Btu hr Btuhr Btu h W A BEIM 7 7 8000 8000 880 4 9 1 1 UNIT 9 9 9500 9500 900 4 1 10 6 I 2 Art 12 11000 11000 1150 5 1 9 6 12 12 12000 12000 1150 5 1 10 4 7 7 14 8400 8400 16800 2100 9 4 8 7 9 16 8000 10000 18000 2100 9 4 8 6 2 UNIT 9 9 18 9500 9500 19000 2100 9 4 9 7 12 19 8000 11000 19000 2100 9 4 9 7 12 19 8000 12000 20000 2100 9 4 9 5 9 12 21 9000 12000 21000 2100 9 4 10 3 UNIT 7 7 7 21 7000 7000 7000 21000 2100 9 4 10 7 7 9 23 6400 6400 8200 21000 2100 9 4 10 Service Manual 15 Combination Table Cooling Indoor Unit Combination Capacity Operation Index k Btu h Unit A Unit B Unit C Unit D Total gs Eu bed A D lTotal Btuhr Btuhr Btuhr Btuhr Btuhr W VA 7 7 9000 9000 1100 4 8 8 2 9 9 10000 10000 1130 5 8 8 1 UNIT 12 12 12000 12000 1180 5 2 10 2 18 18 18000 18000 1900 9 9 5 24 24 23000 23000 3000 13 5 7 7 7 7 14 8000 8000 16000 1850 8 8 8 6 7 9 16 7500 9500 17000 1900 9 8 9 7 12 19 7000 12000 19000 1920 9 1 9 9 7 18 25 9000 19000 28000 3150 14 5 8 9 7 24 31 7000 22000 29000 3250 15 8 9 2 UNIT 9 9 18 9000 9000 18000 1900 9 9 5 9 12 21 11000 14000 25000 3000 13 5 8 3 9 18 27 10000 18000 28000 3150 14 5 8 9 9 24 33 8000 21500 29500 3250 15 9 1 12 1
11. Heating Qs lt 9k 12k lt Qs 30k Max 33k Cooling Qs 12k Qs lt 19k 19k lt Qs Heating Qs lt 12k Qs lt 19k 19k lt Qs If overload Max capacity display error code in indoor unit Max capacity Outdoor Max capacity 14k 14k combination 18k 19kcombination 21k 23k combination 30k 33k combination Service Manual 51 Electronic Parts Troubleshooting Guide E Electronic Parts Troubleshooting Guide 1 The Outd NO Does the Operating LED of indoor unit blink when Operation s ON D Refer to the self diagnosis function NO NO Is the Connection between CN Power of indoor Check th tate of t unit and terminal block eck the connecting state of connector YES NO Is the connection of cable between indoor and Indoor Outdoor outdoor unit ringht 1 L Brown 1 L Brown 2 N Blue 2 N Blue YES G5 Green YL Green YL IL 3 Red 3 Red Is the voltage of CN POWER Q in outdoor PCB Ass y about AC220V 240V hecha manpower NO YES Check the Fuse of outdoor PCB Ass y Chek the connecting state of wires NO Replace the PCB Ass y TPS units start at three minutes after main power turning on 52 Free Joint Multi Air Conditioner Electronic Parts Troubleshooting Guide Turn on Main Power LEES While the compressor has been stoppe
12. L8 mm 160 L9 mm 44 L10 mm 64 5 L11 mm 50 20 Free Joint Multi Air Conditioner 2 4 A4UC306FA0 A4UH306FA0 mn ta gt L10L11 L11L11L11L11L11L11 lt Elia Dimensions Gas side 3 way valve Liquid side 2 way valve MODEL DIM A4UC306FA0 A4UH306FA0 M mum 870 n mm 1038 a IIT 320 ss ASA 360 mm 340 L3 mm m Ef mm 1035 L5 mm m He 546 n mn 160 te mm 160 L9 mm m is mm 64 5 L11 mm En Service Manual 21 Refrigeration Cycle Diagram l Refrigeration Cycle Diagram A2UHT46FAO _ _ Indoor Side Outdoor Side 4 WAY Valve 8 69 0000 2 A2UC146FA0 Indoor Side Outdoor Side om Capillary Solenoid Valve D 3 Way Valve x 2 Way Valve 22 Free Joint Multi Air Conditioner Refrigeration Cycle Diagram 3 A2UH186FAO S Indoor Side Outdoor Side Le 4 A2UC186FA0 Indoor Side Outdoor Side COMPA COMP B Accum Ok ww Capillary amp Solenoid Valve LEV 3 Valve x 2 Way Valve Service Manual
13. Refer to Max capacity Qxoo Ze ten digits one digits Service Manual 37 Functions Remote Contro The Remote Controller transmits the signals to the system w Signal transmitter 9965 21800 ees 5 Flip up door opened Operation Mode Cooling Operation UF Auto Operation UF Healthy Dehumidification Operation A Heating Operation XX e Cooling M0 6CI 1 Heat Pump Model 38 Free Joint Multi Air Conditioner 1 START STOP BUTTON Operation starts when this button is pressed p gt and stops when the button is pressed again 2 OPERATION MODE SELECTION BUTTON Used to select the operation mode 125 3 ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature 4 INDOOR SPEED SELECTOR lt Used to select fan speed four steps low medium high and CHAOS 5 JET COOL e Used to start or stop the speed cooling heating Speed cooling heating operates super high fan Speed 6 CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction 7 ON OFF TIMER BUTTONS Used to set the time of starting and stopping opera tion 8 TIME SETTING BUTTONS Used to adjust the time 9 TIMER SET CANCEL BUTTON Used to set the timer when the desired time is
14. VV 2051 2638 3224 5275 6741 2638 3224 Btu hr 7000 9000 12000 18000 23000 9000 12000 Air Circulation m min 5 5 6 0 9 13 14 7 5 8 5 Setting temperature range cool 18 30 Fan Motor Output W 8 4 84 14 4 22 29 24 24 Capacitor uF Vac 0 9 400 0 9 400 0 9 400 2 0 370 2 0 370 Noise Level Sound Press 1m H M L dBA 35 32 29 37 33 31 39 36 34 42 39 36 46 43 39 38 35 32 43 40 33 Temperature controller Thermistor Thermistor Thermistor Thermistor Thermistor Thermistor Thermistor Dehumidification Rate 1 12 11 19 22 1 1 2 Dimensions W x H x D mm 820 260 155 820x260x155 900x285x156 1080x314x182 1080x314x182 570x568x137 570x568x137 Net Weight kg 7 7 8 12 12 9 9 Piping Connection Liquid inch mm 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 Gas inch mm 3 8 9 52 3 8 9 52 3 8 9 52 1 2 12 7 1 2 12 7 3 8 9 52 3 8 9 52 Drain hose OD 20 20 20 20 20 20 20 Front Panel Color Position 5 M Metal B Blue D Wood See Page Combination Table 10 Free Joint Multi Air Conditioner Combination Table Combination Table Cooling Indoor Unit Combination Capacity Opetation Index k Btu h Unit A Unit B Unit C Unit D Total Put Current EER A D Total Btu hr Btu hr Btu hr Btu hr Btu hr W SSES TUNIT 7 7 9
15. 18000 23000 9000 12000 kcal hr 1940 2495 3049 4990 6426 2495 3049 Nominal Heating Capacity W 2257 2901 3546 5803 7473 2901 3546 Btu hr 7700 9900 13200 19800 25500 9900 13200 Air Circulation m min 5 5 6 0 9 13 14 7 5 8 5 Setting temperature Cooling C 18 30 range Heating 16 30 Fan Motor Output W 8 8 14 22 29 24 24 Capacitor uF Vac 0 9 400 0 9 400 0 9 400 2 0 370 2 0 370 gt Noise Level Sound Press 1m H M L dBA 35 32 29 37 33 31 39 36 34 42 39 36 46 43 39 38 35 32 43 40 33 Temperature controller Thermistor Thermistor Thermistor Thermistor Thermistor Thermistor Thermistor Dehumidification Rate Vh 1 12 17 1 9 2 2 1 1 2 Dimensions W x H x D mm 820X260 x155 820x260x155 900x285x156 1080X314X182 1080x314x182 570x568x137 570x568x137 Net Weight kg 7 7 8 19 12 9 9 Liquid inch mm 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 Piping Connection Gas inch mm 3 8 9 52 3 8 9 52 3 8 9 52 1 2 12 7 119 12 7 3 8 9 52 3 8 9 52 Drainhose OD 20 20 20 20 20 20 20 Front Panel Color Position S 6 S M Metal B Blue D Wood See Page Combination Table 4 Indoor Cool Indoor Unit Type Wall Mounted Art Cool Model AMNCO76LQLO AMNCO96LQLO AMNC126LRLO AMNC186LTLO AMNC246LTLO AMNCO96AP 1 AMNC126AP 1 kcal hr 1764 2267 2772 4536 5796 2267 2772 Nominal Cooling Capacity
16. 23 Refrigeration Cycle Diagram 5 A3UH216FA0 Indoor Side Outdoor Side i e B A x COMP A COMP B r Q 6 A3UC216FA0 Indoor Side Outdoor Side B A COMPA COMP B Accum EE See ex ww Capillary _ Solenoid Valve _ LEV X 3 Way Valve X 2 Way Valve 24 Free Joint Multi Air Conditioner Refrigeration Cycle Diagram 7 AAUH306FA0 Indoor Side Outdoor Side 4 WAY Valve gt 8 AAUC306FA0 Indoor Side Outdoor Side COMPA COMP B ww Capillary Solenoid Valve LEV 3 Way Valve X 2 Way Valve Service Manual 25 Wiring Diagram Wiring Diagram Indoor Unit 1 AMNH076LQL0 AMNH096LQL0 AMNH126LRL0 AMNH186LTLO AMNH246LTLO AMNC076LQL0 AMNC096LQL0 AMNC126LRLO AMNC186LTL0 AMNC246LTL0 AMNH096LQA0 AMNH246LTA0 Loi CN AC DC 7 THERMISTOR IN PIPE THERMISTOR ROOM SN I I 1 PUT T TEPY i 1 del FUSE RD RD AIR 250V2A M LV Ean Ue
17. 3360 15 5 9 9 9 27 11000 11000 11000 33000 3360 15 5 9 9 12 30 9900 9900 13200 33000 3360 15 5 9 12 12 33 8800 12100 12100 33000 3360 15 5 7 7 7 7 28 8200 8200 8200 8200 32800 2950 13 5 4 Unit 7 7 7 9 30 7700 7700 7700 9900 33000 2950 13 5 7 7 7 12 33 7100 7100 7100 11700 33000 3000 14 7 7 9 9 32 7100 7100 9300 9300 32800 2950 13 5 14 Free Joint Multi Air Conditioner Combination Table Cooling Indoor Unit Combination Capacity Operation Index k Btu h Unit A Unit B Unit C Unit D Total BUE D lTotal Btu hr Btuhr Btuhr Btuhr W M 1 UNIT 7 7 10000 10000 1500 7 6 7 2 UNIT 7 7 14 7300 7300 14600 1300 6 11 2 6 A2UC186FA0 Cooling Indoor Unit Combination Capacity Operation Index k Btu h Unit A Unit B Unit C Unit D Total E Bei B C D lTotall Btu hr Btu hr Btu hr Btuhr Btuhr W 7 7 7000 7000 780 3 5 9 1 UNIT 9 9 9500 9500 1100 5 8 6 12 12 11000 11000 1100 5 10 7 7 14 7000 7000 14000 1900 8 5 7 4 2 UNIT 7 9 16 7000 9000 16000 1900 8 5 8 4 9 9 18 9000 9000 18000 1900 8 5 9 5 7 12 19 7000 11000 18000 1900 8 5 9 5 7 A3UC216FA0 Cooling Indoor Unit Combination Capacity operation Index k Btu h Unit A Unit B Unit C Unit D Total pos 4
18. 3550A20123A 3550A20123A 3550A20123A R 135500 2 COVER 3550A20124A 3550A20124A 3550A20124A 3550 20124 135500 3 COVER 3550A20060A 3550A20060A 3550A20060A 3550A20060A R 135311 1 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20069G 3531A20069G 3531A20069G 3531A20069G 135311 2 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20069H 3531A20069H 3531A20069H 3531A20069H R 135311 3 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20069J 3531A20069J 3531A20069 3531A20069 135314 GRILLE ASSEMBLY INLET 3531A20212K LIM 3531A20212K LIM 3531A20212K LIM 3531 20212 0 135515 COVER ASSEMBLY TOP INDOOR 3551A20031B 3551A20031B 3551A20031B 3551A20031B R 135316 GRILLE ASSEMBLY FRONT INDOOR 3531A20213N P Q 3531A20213N P Q 3531A20213R S T 3531A20213R SIT 147581 LOUVER HORIZONTAL 4758A20014B 4758A20014B 4758A20014B 47584200148 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 4681A20055A 4681A20055A R 152302 FILTER MECH A C 5230A20032A 5230A20032A 5230A20032A 5230A20032A R 159830 AIR CLEANER ASSEMBLY 5983A20007F 5983A20007F 5983A20007F 5983A20007F R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20372H 4995A20372N 4995A20372J 4995A20372P R 249941 CONTROL BOX INDOOR 4994A10046A 4994A10046A 4994A10046A 4994 10046 R 268715 PWB PCB ASSEMBLY MAIN AC 6871A20380D 6871A20380D 6871A20380D 6871A20380D R 268716 PWB PCB ASSEMBLY MAIN DC
19. 6871A20381D 6871A20381G 6871A20381F 6871A20381H 266090 H V ASSEMBLY 6609A10003S 66094100035 66094100035 6609 100035 R 263230 1 THERMISTOR ASSEMBLY 6323AQ6226T 6323AQ6226T 6323AQ6226T 6323AQ6226T 263230 2 THERMISTOR ASSEMBLY 6323A20004N 6323A20004N 6323A20004N 6323A20004N R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20388A 6871A20388B 6871A20388A 6871A20388B R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20073D 6711A20073E 6711A20073E 6711A20073E 330870 DRAIN PAN ASSEMBLY 3087A30004A 3087A30004A 3087A30004A 3087A30004A R 346810 MOTOR ASSEMBLY INDOOR 4681A20091A 4681A20091A 4681A20091A 4681 20091 R 349600 MOUNT MOTOR 4960 20016 4960A20016A 4960A20016A 4960A20016A R 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211420301 5211A20301J 5211A20301J 5211A20301J 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A20302J 5211A20302J 5211A20302J 5211420302 35211B TUBE ASSY TUBING 5211AR7066F 5211AR7066F 5211AR7066F 5211AR7066F 352150 HOSE ASSEMBLY DRAIN 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 352380 AIR GUIDE 5238A20020A 5238 20020 5238A20020A 5238A20020A R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20072A 5421A20072A 5421A20072A 5421A20072A 359012 FAN TURBO 5900A00003A 5900A00003A 5900A00003A 5900A00003A R 66 Free Joint Multi Air Conditioner Exploded View amp Replacement
20. 7 12 19 8800 12100 20900 2200 98 95 28 7 12 19 8400 12600 21000 2200 98 95 28 9 12 21 9000 12000 21000 1900 85 111 32 21 7000 7000 7000 21000 1900 85 111 32 7 7 9 23 6400 6400 8200 21000 1900 85 11 1 32 12 Free Joint Multi Air Conditioner Combination Table 4 A4UH306 Combination Indoor Unit Cooling mode A B C D Unit A Unit B Unit C Unit D Mate Current A 7 7 9000 9000 1100 4 8 9 9 10000 10000 1130 5 1 Unit 12 12 12000 12000 1180 5 2 18 18 18000 18000 1900 9 24 24 23000 23000 3000 13 5 7 7 14 8000 8000 16000 1850 8 8 7 9 16 7500 9500 17000 1900 9 7 12 19 7000 12000 19000 1920 9 1 7 18 25 9000 19000 28000 3150 14 5 2 Unit 7 24 31 7000 22000 29000 3250 15 9 9 18 9000 9000 18000 1900 9 9 12 21 11000 14000 25000 3000 13 5 9 18 27 10000 18000 28000 3150 14 5 9 24 33 8000 21500 29500 3250 15 12 12 24 19000 13000 26000 3100 14 12 18 30 12000 18000 30000 3250 15 7 7 7 21 9000 9000 9000 27000 3150 14 5 7 7 9 23 9000 9000 11000 29000 3150 14 5 7 7 12 26 8000 8000 12000 28000 3250 15 7 7 18 32 6500 6500 17000 30000 3250 15 3 Unit 7 9 9 25 9000 10000 10000 29000 3250 14 5 7 9 12 28 7500 9500 12000 29000 3150 15 7 12 12 31 7000 11500 11500 30000
21. IN 5211 30058 5211A30058H 5211A30097J 5211A30097J 5211430097 R 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211A30057D 5211A30057D 5211A30098G 5211A30098G 521143009801 352150 HOSE ASSEMBLY DRAIN 5251AR2575F 5251AR2575F 5251AR2575F 5251AR2575F 5251AR2575F 359011 FAN ASSEMBLY CROSS FLOW 5901 20008 5901A20008B 5901A20008A 5901A20008A 5901A20008B R 733010 PLATE ASSEMBLY INSTALL 3301A10002A 3301A10002A 3301 10002 3301A10002A 3301A10002A R 352118 TUBE ASSEMBLY TUBING 5211A30439E 5211A30439E 5211A30439J 5211A30439J 5211430439 R WOCZZ CAPACITOR DRAWING 3H01487G 3H01487G 3H01487G 3H01487G 3H0148 G 64 Free Joint Multi Air Conditioner Exploded View amp Replacement Parts List SP1 Chassis Al SS B AN 75 LA EE C F n U DN 2 lt 9 2 C352150 gt Ho 2 63230 Service Manual 65 Exploded View amp Replacement Parts List LOCATION DESCRIPTION PART No SVC No AMNHO96AP 1 AMNCO96AP 1 AMNH126AP 1 AMNC126AP 1 CODE 131410 CHASSIS ASSEMBLY 3141A20004N 3141A20004N 3141A20004N 3141A20004N 135500 1 COVER 3550A20123A
22. MRA99150 9090 Internal LRA A 17 2 20 3 25 2 Compressor B Type Rotary Rotary Rotary Oil Type FV50S PVE FV50S PVE FV50S PVE O L P Type MRA99901 9090 MRA99282 9090 MRA99150 9090 Charge g 1050 at 7 5m 1350 at 7 5m 1500 at 7 5m 2500 at 7 5m Refrigerant Type R410A R410A R410A R410A Control Capiilary Tube L E V L E V L E V Fan Motor Output 27 67 2 67 2 41 Capacitor uF Vac 1 5 400 6 370 6 970 2 970 Air Circulation m min 40 1412 53 1872 53 1872 63 2225 Noise Level Sound Press 1m dBA Hi Lo 52 53 53 54 51 Piping Connection Liquid inch mm 1 4 6 35 2 1 4 6 35 2EA 1 4 6 35 3EA 1 4 6 35 4 Gas inch mm 3 8 9 52 2 3 8 9 52 2EA 3 8 9 52 3EA 3 8 9 52 4EA Dimensions W H D mm 801 x 555 x 262 870 x 655 x 320 870 x 655 x 320 870 x 1060 x 320 Net Weight kg 45 64 64 80 Power Supply Cable mm 3 2 5 Includes earth 3 2 5 Includes earth 3 3 5 Includes earth Interunit Cable mm 4 0 75 Includes earth See Page Combination Table Service Manual 9 Product Specifications 3 Indoor Heat Indoor Unit Type Wall Mounted Art Cool ANNH096LQL0 AMNH246LTLO A Model AMNHO76LOLO AMNHOSGLQAO AMNH126LRLO AMNH186LTLO AMNH246LTAO AMNHO96AP 1 AMNH126AP 1 kcal hr 1764 2267 2772 4536 5796 2267 2772 Nominal Cooling Capacity W 2051 2638 3224 5275 6741 2638 3224 Btu hr 7000 9000 12000
23. cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the gas side valve s service port This is different from previous procedures Because you are charging with liquid refrigerant from the gas side absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 5 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m 4 2kg m 5 5kg m Be sure to check for gas leakage Service Manual 49 Cycle Troubleshooting Guide Cycle Troubleshooting Guide Trouble analysis 1 Check temperature difference between intake and discharge air and operating current Temp Difference Operating Current Notice Temp difference Current approx 0 less than 80 of rated current Temp difference Current approx 8 C less than 80 of rated current Temp difference Current less than 8 C near the rated current Temp difference over 8 C All amount of refrigerant leaked out Check refrigeration cy
24. 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 heat ing 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 bot tom of buttons 16 AUTO CLEAN Art type only Used to set Auto Clean mode Operation Details Operation Details 1 C O Model Operation Indicator while in appliance operation off while in appliance pause Flashing while in disconnection or short in Thermistor 3 sec off 0 5 sec on Sleep Timer Indicator On while in sleep timer mode off when sleep timer cancel or appliance operation pause Timer Indicator On while in timer mode on off off when timer mode is completed or canceled Comp Running Incidator While in appliance operation on while in outdoor unit compressor running off while in compressor off 2 H P Model Operation Indicator On while in appliance operation off while in appliance pause Flashing while in disconnection or short in Thermistor 3 sec off 0 5 sec on Sleep Timer Indicator On while in sleep timer mode off when sleep timer cancel or appliance
25. remote controller sets If you want to use this operation open the front panel upward and Press the power button let it be pressed for about 3 seconds f you want to stop the operation re press the button B Auto restart n case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions Air Cleaner Operation When an air cleaner function is selected during Air Conditioner operation Plasma air cleaner function will be operated while in any operation mode with selecting the function The function is to be stopped while it is operating with selecting the function When an air cleaner function is selected during operation off The function will be only operated When inlet grille of air conditioner is opened during plasma operation High Voltage Generator H V B is to be stopped When inlet grille of air conditioner is closed during plasma operation High Voltage Generator H V B will be operated again 44 Free Joint Multi Air Conditioner Operation Details Remote Control Operation Mode When the remote control is selected by the slide switch on the main unit the appliance operates according to the input by the remote control Protection of the evaporator pipe from frosting e If the indoor pipe temp is below 0 C 7 min after the compressor operates without any pause while in cool ing cycle oper
26. set time is reached after the time is input by the remote control the appliance starts to operate The timer LED is on when the on timer is input It is off when the time set by the timer is reached If the appliance is operating at the time set by the timer the operation continues 42 Free Joint Multi Air Conditioner Operation Details E Off Timer Operation When the set time is reached after the time is input by the remote control the appliance stops operating The timer LED is on when the off timer is input It is off when the time set by the timer is reached If the appliance is on pause at the time set by the timer the pause continues 8 Off Timer lt gt On Timer Operation When the set time is reached after the on off time is input by the remote control the on off timer operation is carried out according to the set time Sleep Timer Operation When the sleep time is reached after 1 2 3 4 5 6 7 0 cancel hr is input by the remote control while in appli ance operation the operation of the appliance stops While the appliance is on pause the sleep timer mode cannot be input While in cooling mode operation 30 min later since the start of the sleep timer the setting temperature increases by 1 C After another 30 min elapse it increases by 1 C again When the sleep timer mode is input while in cooling cycle mode the airflow speed of the indoor fan is set to the low When the sleep timer mod
27. 0A R410A R410A Control Capiilary Tube L E V L E V L E V Fan Motor Output W 27 67 2 67 2 41 Capacitor uF Vac 1 5 400 6 970 6 370 2 370 Air Circulation m min 40 1412 53 1872 53 1872 63 2225 Noise Level Sound Press 1m dBA Hi Lo 52 53 53 54 51 Piping Connection Liquid inch mm 1 4 6 35 EA 1 4 6 35 2EA 1 4 6 35 3EA 1 4 6 35 4EA Gas inch mm 3 8 9 52 2 3 8 9 52 2 3 8 9 52 3 8 9 52 4 Dimensions W H D mm 801 x 555 x 262 870 x 655 x 320 870x655x320 870 x 1060 x 320 Net Weight kg 45 64 64 80 Power Supply Cable mm 3 2 5 Includes earth 3 2 5 Includes earth 3 3 5 Includes earth Interunit Cable No mm 4 0 75 Includes earth See Page Combination Table 8 Free Joint Multi Air Conditioner Product Specifications 2 Outdoor Model A2UC146FA0 A2UC186FA0 A3UC216FA0 A4UC306FA0 kcal hr 2369 3629 1764 4536 2016 5292 2268 7560 Cooling Capacity W 2755 4220 2051 5275 2345 6154 2638 8792 Btu hr 9400 14400 7000 18000 8000 21000 9000 30000 Input Cooling W 1300 1500 780 1900 880 2100 1100 3250 Running Current X Cooling A 6 0 7 0 3 5 8 5 4 0 9 4 4 8 15 Power Supply NH 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 L R A A 37 24 25 2 35 5 Compressor A Type Rotary Rotary Rotary Rotary Oil Type FVS68D PVE FV50S PVE FV50S PVE FV50S PVE O L P Type Internal MRA98781 9090
28. 14 GRILLE ASSEMBLY INLET SUB 3531A20100B 3531A20100A 3531A20100B 3531A20100B 3531A20100A 3531A10117B 3531 10117 135316 GRILLE ASSEMBLY FRONT INDOOR 3531A20187M 3531A20187Q 3531A20187M 3531A20187E 3531A20187Q 3531A10208N 35314102080 R 135516 COVER ASSEMBLY MOTOR 3551A20050P 3551A20050P 3551 20050 3551A20050P 3551A20050P 3551A20099A 3551 20099 R 146811 MOTOR ASSEMBLY STEP 4681 20055 4681420055 4681 20055 4681A20055A 4681A20055A 4681A20055A 4681A20055A R 152302 FILTER MECH AC 5230410005 5230410005 5230 10005 5230A10005A 5230 10005 5230 20014 5230200144 R 152313 FILTER ASSEMBLY DEODORIZER 5231 20032C 5231A20032C 5231 20032 5231A20032C 5231A20032C 5231A20032C 159830 AIR CLEANER ASSEMBLY 5983A10009V 5983A10009V 5983A10009V 5983A10009V 5983A10006T 5983A10006T 159901 VANE HORIZONTAL 5990 10005 5990410005 5990 10005 5990 10005 5990A10005A 5990A20007A 5990 20007 R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20361A 4995420361G 4995A20361B 4995A20361N 4995A20361H 4995A20361D 4995420361 263230 1 THERMISTOR ASSEMBLY 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T 3623AQ3226T 3623AQ3226T 263230 2 THERMISTOR ASSEMBLY 6323A20004A 6323A20004A 6323A20004A 6323A20004A 6323A20004A 6323A20004A 6323A20004A 266090 H V ASSEMBLY 6609A10003J 6609A10003J 6609
29. 2 24 13000 13000 26000 3100 14 8 4 12 18 30 12000 18000 30000 3250 15 9 2 7 7 7 21 9000 9000 9000 27000 3150 14 5 8 6 7 7 9 23 9000 9000 11000 29000 3150 14 5 9 2 7 7 12 26 8000 8000 12000 28000 3250 15 8 6 7 7 18 32 6500 6500 17000 30000 3250 15 9 2 3 UNIT 7 9 9 25 9000 10000 10000 29000 3250 14 5 8 9 7 9 12 28 7500 9500 12000 29000 3150 15 9 2 7 12 12 31 7000 11500 11500 30000 3250 15 9 2 9 9 9 27 10000 10000 10000 30000 3250 15 9 2 9 9 12 30 9000 9000 12000 30000 3250 15 9 2 9 12 12 33 8000 11000 11000 30000 3250 15 9 2 7 7 7 7 28 7500 7500 7500 7500 30000 3200 14 5 9 4 4 UNIT 7 7 7 9 30 7000 7000 7000 9000 30000 3250 15 9 2 7 7 7 12 33 6500 6500 6500 10500 30000 3250 15 9 2 7 7 9 9 32 6500 6500 8500 8500 30000 3250 14 7 9 2 16 Free Joint Multi Air Conditioner Dimensions 1 Indoor Unit e Model SQ SR ST chassis Dimensions Capacity H D SQ Ch 7K 9K 824 260 156 SR Ch 12K 900 285 156 ST Ch 18K 24K 1080 314 182 e Model SP 1 chassis Fiariger w D Hea 7 r CN J k Pipe Hole Fix Hole Capacity w H D SP1 Ch 9K 12K 570 568 137 Service Manual 17 Dimensions 2 Outdoor Unit 2 1 A2UC146FA0 A2UH146FA0 W
30. 2 Setting Temp 0 5 C Compressor OFF Temp 2 Setting Temp 0 5 C In 10 min dehumidification operation the indoor fan operates with the low airflow speed Heating Mode Operation H P model When the intake air temp reaches 3 above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp Compressor OFF Temp 2 Setting 3 e While in compressor on the indoor fan is off when the indoor pipe temp is below 20 C when above 28 it operates with the low or setting airflow speed When the indoor pipe temp is between 20 and 28 it oper ates with Super Low while in sleep mode with the medium airflow speed e While in compressor off the indoor fan is off when the indoor pipe temp is below 33 C when above 35 C it operates with the low airflow speed If overloaded while in heating mode operation in order to prevent the compressor from OLP operation the outdoor fan is turned on off according to the indoor pipe temp While in defrost control both of the indoor and outdoor fans are turned off Defrost Control H P model Defrost operation is controlled by timer and sensing temperature of outdoor pipe first defrost starts only when the outdoor pipe temperature falls below 6 C after 60 minutes passed from starting of heating operation and more than 10 minutes operation of compressor Defrost ends after 12 minutes
31. 3250 15 9 9 9 27 10000 10000 10000 30000 3250 15 9 9 12 30 9000 9000 12000 30000 3250 15 9 12 12 8000 11000 11000 30000 3250 15 7 7 7 7 28 7500 7500 7500 7500 30000 3200 14 5 4 Unit 7 7 7 9 30 7000 7000 7000 9000 30000 3250 15 7 7 7 12 33 6500 6500 6500 10500 30000 3250 15 7 7 9 9 32 6500 6500 8500 8500 30000 3250 14 7 Service Manual 13 Combination Table Combination Indoor Unit Heating mode C D iu Unit A Unit B Unit C Unit D Current A 7 7 10000 10000 1350 6 2 9 9 11000 11000 1470 6 5 1 Unit 12 12 12000 12000 1310 6 18 18 18000 18000 2050 9 7 24 24 26400 26400 3600 16 5 7 7 14 8800 8800 17600 1950 9 3 7 9 16 8200 10300 18500 1950 9 3 7 12 19 7000 12000 19000 2050 9 7 7 18 25 9900 20900 30800 3360 15 5 7 24 31 7700 23000 30700 3300 15 2 Unit 9 9 18 9900 9900 19800 2050 9 5 9 12 21 12100 15400 27500 3360 15 5 9 18 27 11000 19800 30800 3360 15 5 9 24 33 8800 22500 31300 3360 15 5 12 12 24 14300 14300 28600 3360 15 5 12 18 30 13200 19800 33000 3360 15 5 7 7 7 21 9900 9900 9900 29700 3360 15 5 7 7 9 23 9900 9900 11000 30800 3400 15 5 7 7 12 26 8800 8800 13200 30800 3360 15 5 7 7 18 32 7100 7100 18700 32900 3360 15 5 3 Unit 7 9 9 25 9900 11000 11000 31900 3360 15 5 7 9 12 28 8200 10400 13200 31800 3360 15 5 7 12 12 31 7700 12600 12600 32900
32. 400 9400 1350 6 1 7 2UNIT 7 7 14 7200 7200 14400 1450 6 6 9 9 Heating Indoor Unit Combination Capacity nns Operation Index k Btu h a o mg urren Unit A Unit B Unit C Unit D Total W A Btwhh w A B C D Total Btu hr Btu hr Btu hr Btu hr Btu hr TUNIT 7 7 10000 10000 1500 7 6 7 2 2UNIT 7 7 14 7300 7300 14600 1300 6 112 33 2 A2UH18 Cooling Indoor Unit Combination Capacity Operation Index k Btu h Unit A Unit B Unit C Unit D Total jos SE Sec A D Trotal Btu hr Btuhr Btu hr Btuhr W V 8 MM 7 7 7000 7000 780 3 5 9 1 UNIT 9 9 9500 9500 1100 5 8 6 12 12 11000 11000 1100 5 10 7 7 14 7000 7000 14000 1900 8 5 7 4 2 UNIT 7 9 16 7000 9000 16000 1900 8 5 8 4 9 9 18 9000 9000 18000 1900 8 5 9 5 7 12 19 7000 11000 18000 1900 8 5 9 5 Heating Indoor Unit Combination Capacity COP Operation Index k Btu h Unit A Unit B Unit C Unit D Total z E A B D Total Btuhr Btuhr Btuhr Btu hr Bur hw ww 7 7 9000 9000 1300 6 6 9 2 1 UNIT 9 9 10500 10500 1250 5 6 8 4 2 5 12 12 12100 12100 1200 5 5 10 1 3 7 7 14 7700 7700 15400 1900 8 5 8 1 2 4 2 UNIT 7 9 16 7700 9900 17600 1900 8 5 9 3 2 7 9 9 18 9900 9900 19800 1900 8 5 10 4 3 1 7 12 19 7
33. 437211 PANEL ASSEMBLY FRONT OUTDOOR 3721A23001A 3721A20005P R 447910 BARRIER ASSEMBLY OUTDOOR 4791A30004K 4791A30004K R 546810 MOTOR ASSEMBLY OUTDOOR 4681A20028J 4681A20028J R 548490 ACCUMULATOR ASSEMBLY MECH 4849A20039B 4849A20042A R 550140 ISOLATOR COMP 4H00982E 4H00982E R 552208 1 VALVE SERVICE 5220A20001K 5220A20001K R 552203 2 VALVE SERVICE 2H02479R 2H02479R R 554160 1 COMPRESSOR 5416A90022C 5416A90022C R 554160 2 COMPRESSOR 5416A90022A 5416A90022A R 561411 1 COIL ASSEMBLY EXPANSION 6141A20018A 6141A20018A R 561411 2 COIL ASSEMBLY EXPANSION 6141A20018B 6141A20018B R 552112 TUBE ASSEMBLY CONDENSER IN 5211A01001B 5211A10458A R 552113 TUBE ASSEMBLY CONDENSER OUT 5211A00001A 5211A00001B R 552114 TUBE ASSEMBLY DISCHARGE 5211A10456A R 552116 TUBE ASSEMBLY REVERSING 5211A10445C R 554031 CONDENSER ASSEMBLY BENT 5403A20072N 5403A20072R R 559010 FAN ASSEMBLY 5901A10032A 5901A10032A R 561410 COIL ASSEMBLY REVERSING VALVE 6141A20010J R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10112A 4995A10112B R 268711 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A20414B 6871A20414C R WOCZZ 1 CAPACITOR DRAWING 6120AR2194D 6120AR2194D R WOCZZ 2 CAPACITOR DRAWING 2A00986G 2A00986G R Service Manual 71 Exploded View amp Replacement Parts List A3UC216FA0
34. 700 12100 19800 1900 8 5 10 4 3 1 Service Manual 11 Combination Table Cooling Indoor Unit Combination Capacity Operation Index k Btu h Unit A Unit B Unit C Unit D Total p sie PEN AT B D Trotal Btu hr Btuhr Btuhr Btuhr Btuhr W Ek JI 7 7 8000 8000 880 4 9 1 9 9 9500 9500 900 41 10 6 12 11000 11000 1150 5 1 9 6 12 12 12000 12000 1150 54 10 4 ae 14 8400 8400 16800 2100 94 8 7 9 16 8000 10000 18000 2100 94 8 6 9 9 18 9500 9500 19000 2100 94 9 2 UNIT 77 19 8000 11000 19000 2100 94 9 7 12 19 8000 12000 20000 2100 94 9 5 9 12 21 9000 12000 21000 2100 94 10 d 21 7000 7000 7000 21000 2100 94 10 7 7 9 23 6400 6400 8200 21000 2100 94 10 Heating Indoor Unit Combination Capacity COP Operation Index k Btu h Unit A Unit B Unit C Unit D Total p v ww A B C D Total Btu hr Btu hr Btu hr Btu hr Btu hr 7 7 9000 9000 1850 6 67 2 en ES 9 10450 10450 1350 62 77 23 2 Art 12 12100 12100 1400 62 86 25 12 12 13200 13200 1400 62 94 28 7 14 9200 9200 18400 2200 84 25 7 9 16 8800 11000 19800 2200 9 8 9 2 6 8 5 18 10000 10000 20000 2200 98 91 27
35. A 5421 20086 R 359011 FAN ASSEMBLY CROSS FLOW 5901 20007 5901A20007B 5901 20007 5901A20007B 5901A20007B 5901A20007A 5901 20007 R 733010 PLATE ASSEMBLY INSTALL 3301A10003A 3301A10003A 3301A10003A 3301A10003A 3301A10003A 1H00843A 1H00843A R WOCZZ CAPACITOR DRAWING 3H01487A 3H01487A 3H01487A 3H01487A 3H01487A 3H1487A 3H1487A R 62 Free Joint Multi Air Conditioner Exploded View amp Replacement Parts List ST Chassis Service Manual 63 Exploded View amp Replacement Parts List LOCATION RER PART No SVC No AMNH186LTLO AMNC186LTLO AMNH246LTLO AMNH246LTAO AMNC246LTLO CODE 131410 CHASSIS ASSEMBLY 3141A10002A 3141A10002A 3141 10002 3141A10002A 3141A10002A R 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A10116A 3531A10116A 3531A10116A 3531A10116A 3531A10116A 135314 GRILLE ASSEMBLY INLET SUB 3531A20107W 3531A20107V 3531420107W 3531 20107 135316 GRILLE ASSEMBLY FRONT INDOOR 3531A20207E 3531 20207 3531A20207E 3531A24010F 3531A20207F 135516 COVER ASSEMBLY MOTOR 3551 20099 3551420099 3551A20099C 3551A20099C 3551A20099C 146811 MOTOR ASSEMBLY STEP 4681 20055 4681A20055A 4681A20055A 4681A20055A 4681A20055A 152302 FILTER MECH A C 5230 20001 5230A20001A 5230A20001A 5230
36. A10003J 6609A10003J 6609A10003H 6609A10003H 267110 REMOTE CONTROLLER ASSEMBLY 6711A20067J 6711A20067H 6711A20067J 6711A20083F 6711A20067H 6711A20067J 6711A20067H R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194A 6871A20194A 6871A20194A 6871A20194A 6871A20194A 6871A20390A 6871 20390 H 268715 PWB PCB ASSEMBLY MAIN AC 6871A20267B 6871A20267B 68714202678 6871A20267B 6871A20267B 6871A20267B 6871A20267B R 268716 PWB PCB ASSEMBLY MAIN DC 6871A20440A 6871A20440G 6871A20440B 6871A20440B 6871A20440H 6871A20440D 6871A20440K 342800 BEARING 4280A20004A 4280A20004A 4280A20004A 4280A20004A 4280A20004A 4280A20004A 4280A20004A R 346810 MOTOR ASSEMBLY INDOOR 4681A20062A 4681A20062A 4681A20062A 4681A20062A 4681A20062A 4681A20048A 4681A20048A R 35211B TUBE ASSEMBLY TUBING 5211AR7066P 5211AR7066P 5211AR7066P 5211AR7066P 5211AR7066P 5211AR7066L 5211AR7066L 352115 TUBE ASSEMBLY EVAPORATORIN 5211420470 5211A20470J 5211A20470J 5211420470J 5211A20470J 5211A20388H 5211A20388H R 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211 204710 5211A20471D 5211A20471D 5211A20471D 5211A20471D 5211A20389F 5211A20389F 352150 HOSE ASSEMBLY DRAIN 5251AR2575F 5251AR2575F 5251AR2575F 5251AR2575F 5251AR2575F 5251AR2575F 5251AR2575F R 354210 EVAPORATOR ASSEMBLY FIRST 5421 10024 5421410024 5421A10024A 5421A10024A 5421A10024A 5421A20086
37. A20001A 5230A20001A 159830 AIR CLEANER ASSEMBLY 5983 10006 5983A10006T 5983A10006T 5983A10006T R 159901 1 VANE HORIZONTAL 5990 20008 5990A20008A 5990A20008A 4995A11004D 5990 20008 R 159901 2 VANE HORIZONTAL 5990A20009A 5990A20009A 5990A20009A 5990A20009A 5990A20009A 249951 CONTROL BOX ASSEMBLY INDOOR 4005A20361E 4995A20361K 4995A20361F 4995A20361F 4995 20361L R 263230 1 THERMISTOR ASSEMBLY 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T 263230 2 THERMISTOR ASSEMBLY 6323200044 6323A20004A 6323A20004A 6323A20004A 6323A20004A R 266090 H V ASSEMBLY 6609A10003L 6609A10003L 6609A10003L 6609A10003L R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20067J 6711A20067H 6711A20067J 6711A20083F 6711A20067H 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194B 6871A20194B 6871A20194B 6871A20194B 6871A201948 R 268715 PWB PCB ASSEMBLY MAIN AC 6871A20267B 6871A20267B 6871A20267B 6871A20267B 6871A202678 R 268716 PWB PCB ASSEMBLY MAIN DC 6871A20440E 6871A20440L 6871A20440F 6871A20440F 6871A20440M 342800 BEARING 4280 20004 4280A20004A 4280 20004 4280A20004A 4280A20004A R 346810 MOTOR ASSEMBLY INDOOR 4681A20003D 4681A20003D 4681 20067 4681A20067A 4681A20067A 352111 TUBE ASSEMBLY CONNECTOR 5211A20514B 5211A20514B 5211A20514B 5211A20514B 5211A205148 R 352115 TUBE ASSEMBLY EVAPORATOR
38. ENOID 6141A20013D 6141A20013D R 561410 4 COIL ASSEMBLY REVERSING VALVE 6141A20013G 6141A20013G R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A20112H 4995A20112J R 668711 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A20414H 6871A20414J R W0CZZ CAPACITOR DRAWING 2H01451S 2H01451T R 552114 TUBE ASSEMBLY DISCHARGE 5211A20951A R 68 Free Joint Multi Air Conditioner Exploded View amp Replacement Parts List A2UH186FA0 Service Manual 69 Exploded View amp Replacement Parts List A2UC186FA0 70 Free Joint Multi Air Conditioner Exploded View amp Replacement Parts List LOCATION DESCRIPTION PARTIS is No A2UH186FA0 A2UC186FA0 CODE 435300 GRILLE REAR 1A00207B R 137213 1 PANEL ASSEMBLY SIDE 1A00201D R 137213 2 PANEL ASSY SIDE 3A02284M R 263230 THERMISTOR ASSEMBLY 6323A20023A 6323A20023B R 430410 BASE ASSEMBLY OUTDOOR 3041AP2741H 3041AP2741H R 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A20076H 3551A20076K R 437212 PANEL ASSY REAR 3720AP0003F R 435301 GRILL DISCHARGE 3530A20007B 3530A20007B R 435512 COVER ASSEMBLY TOP OUTDOOR 3551A30113B 3H03266K R
39. FA0 e MAIN P C B ASM AWAY E Si CN 94220 21 wow vum LI RY SV E53 15 as ft ST us So con 2 F SWS IC05M At ROZA e ERD ROIT 019 9 o o Te fe ats 5 08 o osje E o o m o o a o o PGB 16879A90157A o 8 888 8 ASM 6871A20414 em 2003 09 15 f p E ar d D Geeeegeg gt rt z 4 M IC03M SO 28590909000 ec O 9 9 9 Eten 0 816155 100005 200096 e e e e s e 988818 PIPE OUT SUCTION DISCHARGE Display P C B CN MATNI H Leni 9 8019 Len2 M026 9 LEDs 089 LEDs 7 R04G it SAA AAA SA I H Je ri a o ei MER E PWB ASM 6871A20194 6870 490065 SWIFORCE L _ I H tn Service Manual 31 Schematic Diagram Indoor Unit Schematic Diagram 1 1 SQ SR ST Chassis T EE 17 10K 18LI Open 70 H Model R17H Open R18H 10k 2HE BN Model MICOM GMSBI516 MP AVss R W R32 2 Avref C Risk R67 AN7 SYNC 4 IR66 ANG BRK R3559 RG5 ANS Bra 36658 8781 88 R64 AN4 HALT R37 7 te
40. NT 5403A20168B 5403A20168B R 559010 FAN ASSEMBLY PROPELLER 5901A10033A 5901A10033A R 561410 COIL ASSEMBLY REVERSING VALVE 6141A20010K R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10117A 4995A10117B R 668711 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A20414F 6871A20414G R 137213 1 PANEL ASSEMBLY SIDE 3721A10110A 3721A10110A R 137213 2 PANEL ASSEMBLY SIDE 3721A10111A 3721A10111A R 552203 1 VALVE SERVICE 5220A20001K 5220A20001K R 552203 2 VALVE SERVICE 2H02479R 2H02479R R 554160 1 COMPRESSOR 5416A90022E 5416A90022E R 554160 2 COMPRESSOR 5416A90022D 5416A90022D R 561411 1 COIL ASSEMBLY EXPANSION 6141A20018D 6141A20018D R 561411 2 COIL ASSEMBLY EXPANSION 6141A20018E 6141A20018E R 561411 3 COIL ASSEMBLY EXPANSION 6141A20018F 6141A20018F R 561411 4 COIL ASSEMBLY EXPANSION 6141A20018G 6141A20018G R WOCZZ 1 CAPACITOR DRAWING 0CZZA20007R 0CZZA20007R R WOCZZ 2 CAPACITOR DRAWING 2H01451V 2H01451V R Service Manual 77 LG January 2005 P No 3828A20097X Printed in Korea
41. Parts List 2 Outdoor Unit _ A2UH146FA0 A2UC146FA0 ER 0007070707972 0 79 79 0 57 Service Manual 67 Exploded View amp Replacement Parts List LOCATION DESCRIPTION dal Sve No A2UH146FA0 A2UC146FA0 CODE 263230 THERMISTOR ASSEMBLY 6323A20023G R 430410 BASE ASSY OUTDOOR 2H02079T 2H02079T R 435301 GRILLE DISCHARGE 1H00840C 1H00840C R 437211 PANEL ASSEMBLY FRONT OUTDOOR 2H02674S 2H02674S R 435512 COVER ASSY TOP OUTDOOR 3H03465D 3H03465D R 437212 PANEL ASSY REAR 1H00697N 1H00697N R 447910 BARRIER ASSY OUTDOOR 3H03466F 3H03466F R 546810 MOTOR ASSEMBLY OUTDOOR 4681AR1392Q 1H00853D R 550140 ISOLATOR COMP 4H00982E 4H00982E R 552111 1 TUBE ASSEMBLY CAPILLARY 5211A10381C R 552111 2 TUBE ASSEMBLY CAPILLARY 5211A10381A R 552115 TUBE ASSEMBLY MENIFOLD OUTDOOR 5211A20952C R 552116 TUBE ASSEMBLY REVERSING 5211A10053C R 552117 TUBE ASSEMBLY SUCTION OUTDOOR 5211A20935A R 552203 1 VALVE SERVICE 2H02479H 2H02479H R 552203 2 VALVE SERVICE 5220A20001J 5220A20001J R 559010 FAN ASSEMBLY PROPELLER 5900 1119 5900AR1119B R 554031 CONDENSER ASSEMBLY BENT 5403A20134C 5403A20134D R 554160 COMPRESSOR SET 2520UTGP2AA 2520UTGP2AA R 561410 1 COIL ASSEMBLY SOLENOID 6141A20013F 6141A20013F R 561410 2 COIL ASSEMBLY REVERSING VALVE 6141A20010B R 561410 3 COIL ASSEMBLY SOL
42. SCHARGE OUTDOOR 5211A10456B R 552116 TUBE ASSEMBLY REVERSING 5211A10445B R 552203 1 VALVE SERVICE 5220A20001K 5220A20001K R 552203 2 VALVE SERVICE 2H02479R 2H02479R R 554160 1 COMPRESSOR 5416A90022D 5416A90022D R 554160 2 COMPRESSOR 5416A90022B 5416A90022B R 561411 1 COIL ASSEMBLY EXPANSION 6141A20018A 6141A20018A R 561411 2 COIL ASSEMBLY EXPANSION 6141A20018B 6141A20018B R 561411 3 COIL ASSEMBLY EXPANSION 6141A20018C 6141A20018C R 554031 CONDENSER ASSEMBLY BENT 5403A20072N 5403A20072R R 559010 FAN ASSEMBLY PROPELLER 5901A10032A 5901A10032A R 561410 COIL ASSEMBLY REVERSING VALVE 6141A20010J R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10112C 4995A10112D R 668711 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A20414D 6871A20414E R 738281 MANUAL SERVICE 3828A20097X 3828A20097X R 738282 MANUAL INSTALLATION 3828A20403H 3828A20403B R 738290 MANUAL OWNERS 3828A20394A 3828A20394A R WOCZZ 1 CAPACITOR DRAWING 6120AR2194D 6120AR2194D R WOCZZ 2 CAPACITOR DRAWING 2H00841Z 2H00841Z R 74 Free Joint Multi Air Conditioner Exploded View amp Replacement Parts List A4UH306FA0 CS N 20202727720 E 5 e EEN NN AAA AO 794749090980 Ma A a a a a a a a a aan d 2 7 24242 6 Service Manual 75 Exploded View amp Replacem
43. acement Parts List l nn nsn 61 2 Free Joint Multi Air Conditioner Safety Precautions ll 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 WARNING This symbol indicates the possibility of death or serious injury ACAUTION This symbol indicates the possibility of injury or damage Meanings of symbol used in this manual are as shown below 9 sure not to do Q Be sure to follow the instruction WARNING Bi Installation Do not use a defective or Do not let the air conditioner Always ground the product underrated circuit breaker run for a long time when the Use this appliance on a dedi humidity is very high and cated circuit door or a window is left open There is risk of fire or electric shock Moisture may condense and wet or There is risk of fire or electric shock damage furniture Install the panel and the cover Always install a dedicated cir Use the correctly rated break of control box securely cuit and breaker er or fuse There is risk of fire or electric shock Improper wiring or installation may There is risk of fire or electric shock cause fire or electric shock Service Manual 3 Safety Precautions Do not mod
44. agram 5 A3UC216FA0 OUTDOOR WIRING DIAGRAM EN 6 8 A 688 5854 22823 CN LEV3 CN LEV2 CMLCVI CN COMP 60 MAIN PWB ASSY CN FAN1 CNPOWER Om WH 99 80 AIR TEMP SENSOR 7 A4UC306FA0 28 Free Joint Multi Air Conditioner OUTDOOR WIRING DIAGRAM 8L D C4 MB n CN LEV4 CNLEVS CN LEV2 CNLEVI wv BL WH RD MAIN PWB ASSY CN FAN D CN FAN2 mal CNPOWER VI AIR TEMP SENSOR P NO 3854A20392B P NO 3854A20392C 6 A3UH216FA0 6MX OUTDOOR WIRING DIAGRAM 54 882541 CNLEVS CNLEV2 CNLEVI CN COMP 80 MAIN PWBASSY SAAD 44144 55 FUSE T3 ISA
45. ation mode the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting When the indoor pipe temp is 7 C or higher after 3 min pause of the compressor the compressor and the outdoor fan is turned on according to the condition of the room temperature Buzzer Sounding Operation When the appliance operation key is input by the remote control the short beep beep sounds When the appliance pause key is input by the remote control the long beep sounds When a key is input by the remote control while the slide switch on the main unit of the appliance is on the forced operation position the error sound beep beep beep beep beep is made 10 times to indicate that the remote control signal cannot be received Service Manual 45 2 way 3 way Valve 2 way 3 way Valve 2 way Valve Liquid Side 3 way Valve Gas Side Hexagonal wrench 4mm Open position Closed position Flare nut 10 iping connection outdoor unit connection Open position Closed position Service Service port caD port To outdoor unit Works Shaft position Shaft position Service port Shippin Closed Closed Closed pping with valve cap with valve cap with valve cap 1 Pumping down Closed Open Open Transfering clockwise counter clockwise connected manifold gauge Evacua
46. cle Refrigerant leakage Clog of refrigeration cycle Defective compressor Excessive amount of refrigerant Normal 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 Compared with the normal value Temperature Compared with the normal value Cause of Trouble Description High Defective compressor Current is low Higher Excessive amount of High pressure does not quickly Normal NEC refrigerant rise at the beginning of operation Insufficient amount of Lower Higher refrigerant Leakage Current is low Clogging Notice 1 The suction pressure is usually 8 12 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 50 Free Joint Multi Air Conditioner Cycle Troubleshooting Guide Comp basic step Free joint outdoor unit has two compressor TPS Twin power system Step Step 1 Step 2 Step 3 Outdoor Operation Mode COMP 40 B only COMP 60 A only COMP 100 A B together 4 8k Max 4 9k Cooling Qs 7k Qs 12k 12k Qs Heating 8 Qs lt 9k 12k lt Qs 21k Max 23k Cooling Qs lt 9k Qs lt 12k 12k lt Qs
47. d the compressor does not operate owing to the delaying function for 3 minutes after stopped 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 by force s Caused by other parts except the remote controller Caused by the remote controller d d When the mark 4 is displayed in LCD screen replace battery Check the contact of CN DISP1 connector lE d M temperature regulating Ae and wind speed selecting 9 d es Replace remote controller Check point Check the connecting circuit between PIN RO1L 1K CO1L 680PF MICOM Check Receiver Ass y Service Manual 53 Electronic Parts Troubleshooting Guide 54 3 When cooli Turn on Main Power d Operate Cooling Mode by setting the desired 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 attached as close as to be effected by the temperature of Heat Exchanger EVA d When the sensor circuit fo
48. e Vertical Louver Confirm that there is DC 12V between pin RED of CN U D and GND mt If there are no problems after above checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver Service Manual 57 Disassembly of the parts Indoor unit Disassembly of the parts Indoor unit Warning Disconnect the unit from power supply before making any checks Be sure the power switch is set to OFF To remove the Grille from the Chassis Set the up and down air discharge louver to open position horizontally by finger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward Screw 1 Before removing the control box be sure to take out the wire screwed at the other end Display P C B Conductor Step Motor Conductor Earth Conductor 58 Free Joint Multi Air Conditioner 2 To remove the Control Box Remove securing screws Pull the control box out from the chassis carefully 3 To remove the Discharge Grille Unhook the discharge grille and pull the discharge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder at the right 1EA Unhoo
49. e 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 Error LED Indoor body operation LED LI 5sec Kee Pl ee Se Pl twice Error contents SVC check point Indoor air temperature thermistor Indoor air TH ass y check open short Indoor inlet pipe temperature thermistor 4 3sec Pi ba 3sec P open short Indoor inlet pipe ass y check IIIIIII III q 3sec P Poor communication Communication line circuit LI I I III II 6times LI I I II q 3sec gt l Indoor outlet pipe temperature thermistor open shor Indoor outlet pipe TH ass y check I ss P Defferent Operation Simultanueous operation of cooling and heating Operate indoor units only heating or cooling mode Dp Npp III III tl Indoor EEP ROM data Art type only Replace main PCB DC ASM HEH 222A I sec P I d sec P Outdoor air temperature thermistor open short Outdoor air TH ass y check ba 3sec P Outdoor pipe themperature thermistor open short Outdoor pipe ass y check 00000 R q 3sec P q 3sec P Overload combination Indoor unit combination check
50. e is input while in heating cycle mode the airflow speed of the indoor fan is set to the medium Chaos Swing Mode By the Chaos Swing key input the upper lower vane automatically operates with the Chaos Swing or they are fixed to the desired direction While in Chaos Swing mode the angles of cooling and heating cycle operations are different lt Cooling Mode gt lt Heating Mode gt CLOSED B Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium or low speed of the air flow mode is operated for 2 15 sec randomly by the Chaos Simulation Service Manual 43 Operation Details Jet Cool Mode Operation C O Model If the Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then operated in order that the air outflow could reach further Jet Cool Mode Operation H P Model While in heating mode or Fuzzy operation the Jet Cool key cannot be input When it is input while in the
51. ent Parts List A4UC306FA0 2 7 2 lt 6 N AER AAA e 76 Free Joint Multi Air Conditioner Exploded View amp Replacement Parts List LOCATION DESCRIPTION Sve No A4UH306FA0 A4UC306FA0 CODE 135301 GRILLE DISCHARGE 3530A20006G 3530A20006G R 135314 GRILLE REAR 3530A10176B 3530A10176B R 263230 THERMISTOR ASSEMBLY 6323A20023E 6323A20023F R 430410 BASE ASSY OUTDOOR 3041AP7177D 3041AP7177D R 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A30088F 3551A30088G R 435512 COVER ASSEMBLY TOP OUTDOOR 3H03266H 3H03266H R 437211 PANEL ASSEMBLY FRONT OUTDOOR 3721A10109A 3721A10109A R 447910 BARRIER ASSEMBLY OUTDOOR 4791A10019B 4791A10019B R 546810 MOTOR ASSEMBLY OUTDOOR 4681AR1392Y 4681AR1392Y R 552114 TUBE ASSEMBLY DISCHARGE OUTDOOR 5211A11013A R 548490 ACCUMULATOR ASSEMBLY MECH 4849A10039A 4849A10039B R 550140 ISOLATOR COMP 4H00982E 4H00982E R 552112 TUBE ASSEMBLY CONDENSER IN 5211A11010A 5211A11010A R 552113 TUBE ASSEMBLY CONDENSER OUT 5211A12001A 5211A12001B R 552116 TUBE ASSEMBLY REVERSING 5211A10453A R 552117 TUBE ASSEMBLY SUCTION OUTDOOR 5211A11012A 5211A11012A R 554031 CONDENSER ASSEMBLY BE
52. ify or extend the Do not install remove or re Be cautious when unpacking power cable install the unit by yourself and installing the product customer There is risk of fire or electric shock There is risk of fire electric shock Sharp edges could cause injury Be explosion or injury especially careful of the case edges and the fins on the condenser and evaporator Q 22 For installation always Do not install the productona sure the installation area tact the dealer or an defective installation stand does not deteriorate with age Authorized Service Center There is risk of fire electric shock e It may cause injury accident or dam If the base collapses the air condition explosion or injury age to the product er could fall with it causing property damage product failure and personal injury 2 fot J la V i 2 Operational nottouch operate the Do not place a heater or other allow water to run into product with wet hands appliances near the power electric parts cable There is risk of fire or electrical shock There is risk of fire and electric shock It may cause There is risk of fire fail ure of the product or electric shock 4 Free Joint Multi Air Conditioner Safety Precautions Do not store or use flammable gas or com If strange sounds or smell or smoke comes bustibles near the product from product Turn the brea
53. in relay Below DC 1V of DC part in relay Below DC 1V About DC 12V 12V for COMP for 4 way Lt Check Outdoor Unit Service Manual 55 Electronic Parts Troubleshooting Guide 5 When indoor Turn off Main power d Check the connection of CN FAN or CN MOTOR Check the Fan Motor Check the Fuse AC250V T2A d Check the related circuit of indoor Fan Motor The pin of Micom and the part for driving SSR Check the 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 Main Power d Check the SSR high speed operation by remote control The Indoor Fan Motor is connected The voltage of PIN NO 1 blue and 3 yellow of CN FAN or CN MOTOR About AC 160V over About AC 50V over SSR is not damaged SSR Check 56 Free Joint Multi Air Conditioner Electronic Parts Troubleshooting Guide 6 When Verti 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 Check the connecting condition of CN U D Connector Check the soldering condition on PWB of CN U D Connector E Check the operating circuit of th
54. injury and failure of product There are sharp and moving parts that could cause personal injury 6 Free Joint Multi Air Conditioner Details of LG Model Name 8 Details of LG Model Name Outdoor Unit A3UH216FA0 Development Sequence Function A Basic Multi Type F Free joint multi Electric Standard Volts Freq Phase 6 220 240V 50Hz 1 y Capacity 14 14 000 Btu h 18 18 000 Btu h 21 21 000 Btu h 30 30 000 Btu h Model Type L y C Cooling only H Heat pump Outdoor Indoor U Outdoor N Indoor Max No of indoor units 3 One outdoor unit can connect with three indoor units Reference to combination table Making place Refrigerant A Changwon of korea R410A Indoor Unit AMNH076LQL0 gt Development Sequence Function amp Color A Basic L Plasma 2way Plasma Away B Blue M metal D Wood Chassis Type Q SQ chassis T ST chassis R SR chassis P SP1 chassis L y Type L SQ SR ST chassis L look A SP1 chassis general wide look Electric standard Volts Freq Phase 6 220 240V 50Hz 1 Capacity 07 7 000 Btu h 09 9 000 Btu h 12 12 000 Btu h 18 18 000 Btu h 24 24 000 Btu h Model Type PP C Cooling only H Heat pump Outdoor Indoor
55. k the tab on the right inside of the chassis at the same time slightly pull the evaporator toward you until the tab is clear of the slot 5 To remove the Motor Cover Remove 2 securing screw Pull the motor cover out from the chassis carefully Motor cover 6 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left end of the cross flow fan from the self aligning bearing Disassembly of the parts Indoor unit Warning Disconnect the unit from power supply before making any checks Be sure the power switch is set to OFF 1 To remove the Grille from the Chassis Pull the grille bottom the remove 2 securing screws Lift the both lower parts of panel front After pull down this panel a bit separate connecting wire with product 2 To remove the Control Box Before removing the control box be sure to disconnect the wires from PWB Pull the cover control out from the control box and disconnect other wires Remove securing screws Pull the control box out from the chassis carefully Step Motor Connectors Sensor Connector Wy Wey bn Comp Connector Power Connector Power Connector Service Manual 59 Disassembly of the parts Indoor unit 3 To remove the Evapora
56. ke Air Temp 1 22 C lt Intake Air Temp lt 24 C 3 Intake Air Temp 0 5 18 Intake Air Temp lt 22 C gt Intake Air Temp Intake Air lt 18 218 When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the tem perature Service Manual 41 Operation Details 2 Fuzzy Operation for Dehumidification According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 0 5 Compressor OFF Temp 2 Setting Temp 0 5 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C lt Intake Air Temp 225 24 lt Intake Air Temp 26 C 3 Intake Air Temp 1 C 22 lt Intake Air Temp lt 24 C gt Intake Air Temp 0 5 C 18 lt Intake Air lt 22 gt Intake Air Temp Intake Air Temp 18 C 218 When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key val
57. ker off or discon nect the power supply cable There is risk of fire or failure of product There is risk of electric shock or fire Do not open the inlet grille of the product dur Be cautious that water could not enter the ing operation Do not touch the electrostatic product filter if the unit is so equipped e There is risk of physical injury electric shock or product fail There is risk of fire electric shock or product damage ure Service Manual 5 Safety Precautions CAUTION Bi Installation check for gas refrigerant Install the drain hose to Keep level even when leakage after installation or ensure that water is drained installing the product repair of product away properly e Low refrigerant levels may cause fail A bad connection may cause water To avoid vibration or water leakage ure of product leakage 8 Operational Use two or more people to lift Use a soft cloth to clean Do Do not touch the metal parts and transport the product not use harsh detergents sol of the product when removing vents etc the air filter They are very sharp Avoid personal injury There is risk of fire electric shock or There is risk of personal injury damage to the plastic parts of the prod 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
58. low Direction Control The louver can be set at the desired position or swing up and down automatically PLASMA The function will be operated while in any operation mode with selecting the function The function is to be stopped while it is operating with selecting the function Defrost Deice control Heating Both the indoor and outdoor fan stops dur ing defrosting Hot start Control Heating The indoor fan stops until the evaporator pipe temperature will be reached at 28 C Service Manual 35 Functions Remote Controller Operation ON OFF Operation Mode Selection 40 CO Cooling Operation Mode Auto Operation Mode A modal ont Seen Healthy Dehumidification Operation Mode Heating Operation Mode zt Fan Speed Selection L m get pe Room Temperature Display High 39 C LOW 11 Temperature Setting TEMPERATURE HIGH LOW High s CHAOS Cooling Down to 18 Heating gt Down to 16 Up to 30 C Up to 30 C JET COOL E Setting the Time or Timer lt I I 0 0 Timer Selection NDE OFF ON OFF lt ON 0 0 Timer Setting SET Timer Cancel ps Cancel Sleep Mode Timer ON or Timer OFF Sleep Operation 1 2 3 4 5 6 7 Off Timer Airflow Direction Control Fan Operation Mode Fan Operates without cooling
59. ndoor fan is automatically selected according to the temperature Fuzzy Operation H P Model When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed since the operation off the operation mode is selected When determining the operation mode the compressor the outdoor fan and the 4 way valve are off and only the indoor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C lt Inatake Air Temp 2 Fuzzy Operation for Cooling 21 lt Inatake Air lt 24 2 Fuzzy Operation for Dehumidification Inatake Air Temp 21 C 2 Fuzzy Operation for Heating II any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 sec or longer before Fuzzy operation the mode before Fuzzy operation is operated 1 Fuzzy Operation for Cooling According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 0 5 G Compressor OFF Temp gt Setting Temp 0 5 At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C lt Intake Air Temp 225 24 Intake Air Temp lt 26 C gt Inta
60. operation pause Timer Indicator On while in timer mode on off off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control 8 Cooling Mode Operation When the intake air temperature reaches 0 5 C below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 above the setting temp they start to operate again Compressor ON Temp 2 Setting Temp 0 5 C Compressor OFF Temp 2 Setting 0 5 While in compressor running operating with the airflow speed set by the remote control While in compressor not running operating with the low airflow speed regardless of the setting Healthy Dehumidification Mode When the dehumidification operation input by the remote control is received the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature 26 C lt Intake Air Temp gt 25 24 C lt Intake Intake Air Temp lt 26 C 2 Intake Air Temp 1 C 18 lt Intake Intake Air Temp lt 24 G 2 Intake Air Temp 0 5 C Intake Air Temp 18 C 2 18 C Service Manual 39 Operation Details While in compressor off the indoor fan repeats low airflow speed and pause While the intake air temp is between compressor on temp and compressor off temp 10 min dehumidifica tion operation and 4 min compressor off repeat Compressor ON Temp
61. or heating 36 Free Joint Multi Air Conditioner Functions Receives the signals from the remote controller Signal receiving sound two short beeps or one long beep Operation Indication Lamps D Lights up during the system operation yx SleepMode Lights up during Sleep Mode Auto operation Timer Lights up during Timer operation Defrost Mode Lights up during Defrost Mode or Hot Start operation Heat pump model only 3 Lights up during outdoor unit operation Cooling model only DOOR Receives the signals from the remote controller Signal receiving sound two short beeps or one long beep Operation Indication Lamps D Lights up during the system operation XX Sleep Mode Lights up during Sleep Mode Auto operation Timer Lights up during Timer operation 0 Defrost Mode Lights up during Defrost Mode or Hot Start operation Heat pump model only Outdoor unit operation Lights up during outdoor unit operation Cooling model only PLASMA Indicate PLASMA purifier operation B Error Indicator The function is to self diagnoisis airconditioner and express the troubles identifically if there is any trouble Error mark is ON OFF for the operation LED of evaporator body in the same manner as the following table II more than two troubles occur simultaneously primarily the highest trouble fo error cod
62. other mode operation cooling dehumidification ventilation the Jet Cool mode is operated In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then operated in order that the air outflow could reach further Forced Operation Operation procedures when the remote control can t be used The operation will be started if the power button is pressed f you want to stop operation re press the button Heat pump Model Cooling Model Room Temp gt 24 21 lt Room Temp lt 24 C Room Temp lt 21 Operating mode Cooling Cooling Healthy Dehumidification Heating Indoor FAN Speed High High High High Setting Temperature 22 22 23 24 While in forced operation the key input by the remote control has no effect and the buzzer sounds 10 times to indicate the forced operation 8 Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room tem perature and resets 18 1 minutes During test operation if remote controller signal is received the unit operates as
63. passed from starting of defrost operation or after the outdoor fan operates with in max 2 minutes 30 seconds when the outdoor pipe temperature rises over 12 C even it before 12 minutes The second defrost starts only when the outdoor pipe temperature falls below 6 C after 60 minutes passed from ending of the first defrost and more than 10 minutes operation of compressor 40 Free Joint Multi Air Conditioner Operation Details B Fuzzy Operation C O Model According to the temperature set by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp 0 5 C Compressor OFF Temp 2 Setting Temp 0 5 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 lt Intake Air Temp 225 24 lt Intake Air Temp lt 26 C 3 Intake Air Temp 1 22 lt Intake Air Temp lt 24 3 Intake Air Temp 0 5 18 lt Intake Air Temp lt 22 3 Intake Air Temp Intake Air lt 18 218 When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the i
64. quickly so that the gauge ends up indi cating 1kg cm9 Disconnect the charge set and mount the liquid side and gas side valve caps and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8kg m 4 2kg m 5 5kg m Be sure to check for gas leakage Service Manual 47 2 way 3 way Valve All amount of refrigerant leaked NW N side zi Outdoor unit zij 2 Way MI valve Cu Jy J USA Gas side n 7 UZ 7 3 Way Open valve NW Liquid side Vacuum pump f Hi handle OPEN Procedure 1 Confirm that both the liguid side valve and gas 7 Disconnect the charge hose from the vacuum side valve are set to the opened position pump Vacuum pump oil 2 Connect the vaccum pump to the center hose of If the vacuum pump oil becomes dirty or deplet the manifold gauge ed replenish as needed 3 Connect the service port of the gas side valve to 8 Mount the valve caps and the service port caps the low side of the gauge 4 Connect power supply to outdoor unit Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less Close the Low handle of the gauge turn off the vacuum pump and confirm that the gauge nee dle does no
65. r indoor temperature and connector are in bad connection or are not engaged Compressor Outdoor Fan is stopped Check the indoor temperature sensor is disconnected or not About 10 at 25 C d Check Relay RY COMP for driving compressor When the power About AC220V 240V is applied to the connecting wire terminal support transferred to compressor PWB Ass y is normal Check the circuit related to the relay Check point COMP ON COMP OFF Between two pin of DC Below DC 1V part in relay for COMP app About DC12V Free Joint Multi Air Conditioner Electronic Parts Troubleshooting Guide Turn ON Main Power Operate Heating Mode 3 by setting the desired temperature of the remote control is higher than one of the indoor temperature by 2 C at least JL In heating Mode the indoor fan operates in case the pipe temperature is higher than 28 C Check the connector of intake and pipe sensor thermistors Check the indoor room temperature is disconnected or not about 10KQ at 25 C Check the indoor pipe temperature is disconnected or not about 5KQ at 25 C JE Check the DC voltage on the PWB ASS Y The details of check are as followings Comp Relay 4 Way Relay Check point Comp ON Comp OFF Check point 4 Way ON 4 Way OFF Between two pin About DC Between two pin of DC part
66. s 717 R63 AN3 po Rooke 616 R62 AN2 R01 B5 5151 R61 ANI D2 Ro2p4 R60 ANO R57 PW41 04 R0452 RSG PMMO 05 055 R55 BUZ D IR54 WDTO aere IR52 Sclk R51 Sout R50 Sin IR47 T30 LL V w i LIMIT SWITCH R46 T10 45 2 R44 ECU PS R43 NT3 pe R42 INT2 ANTI AC PART I S 1040 u 1 SV gt 7605 ZBF503D SMPs ES co7p cos ROD m 1 103 N33 39 25 ev 527 470 35 cosp cosp a 220 103 le iov 50 150 2 wie mi PE gg T 82 55 11 55 I DE DC LOW VOLTAGE GND 32 Free Joint Multi Air Conditioner Schematic Diagram 1 2 SP 1 Chassis
67. t move approximately 5 minutes after turning off the vacuum pump 48 Free Joint Multi Air Conditioner 3 Gas Chai After Evacuation 2 way 3 way Valve NW Liquid side zij 2 Wa valve Open Outdoor unit Gas side Liquid side zij 2 Wa valve Gas side SN Charging manifold gauge cylinder Low handleZ7Z 7 La OPEN 2 handle OPEN e Procedure 1 Connect the gauge to the charging cylinder Connect the charge hose which you disconnect ed from the vacuum pump to the valve at the bottom of the cylinder If you are using a gas cylinder also use a scale and reverse the cylinder so that the system can be charged with liquid 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air Be careful of the liquid refrigerant The procedure is the same if using a gas cylinder 3 Open the low handle on the gauge and charge the system with liquid refrigerant If the system can not be charged with the speci fied amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not suffi
68. tion Open 2 Servicing SEH SE with charging cylinder Gas charging Open 5 Servicing Ben Geen with charging cylinder Pressure check Open 4 Servicing SE SECH with charging cylinder Gas releasing Open gt Servicing with charging cylinder 46 Free Joint Multi Air Conditioner 2 way 3 way Valve NW Liquid side zij Close Outdoor unit manifold gauge Fangi andle d LOSE f handle CLOSE CLOSE Procedure 1 Confirm that both the gas side and liquid side valves are set to the open position Remove the valve stem caps and confirm that the valve stems are in the raised position Be sure to use a hexagonal wrench to operate the valve stems 2 Operate the unit for 10 to 15 minutes 3 Stop operation and wait for 3 minutes then con nect the manifold gauge to the service port of the gas side valve Connect the hose of the gauge with the push pin to the service port 4 Air purging of the charge hose Open the Low handle valve on the gauge slightly to air purge from the hose 5 Set the liquid side valve to the closed position Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm g Immediately set the gas side valve to the closed position Do this
69. tor 5 To remove the Motor Remove 4 screws securing the evaporator Remove the securing bolt from the motor shaft Pull the evaporator out from the chassis carefully Pull the fan out from the motor shaft Remove 4 screws securing motor mount from the chassis and lift up the motor mount and the bracket Bracket Motor Mount 4 Before removing the Turbo Fan Remove the securing screws from the chassis Pull the pipe cover top cover and the air quide Le 60 Free Joint Multi Air Conditioner Exploded View amp Replacement Parts List P Exploded View amp Replacement Parts List ke gt 6 O tc SS 61 Service Manual Exploded View amp Replacement Parts List LOCATION DESCRIPTION PART No SVC No ANINHO76LQLO AMNCO76LQLO ANINHO96LQLO AMNHO96LQAO AMNCOSGLQLO AMNH126LRLO AMNCT26LRLO CODE 131410 CHASSIS ASSEMBLY 3141A20006A 3141A20006A 3141A20006A 3141A20006A 3141A20006A 3141A20005A 3141A20005A R 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531 10127 3531 10127 3531 10127 3531 10127 3531 10127 3531 10230 3531A10230A R 1353
70. ue and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan repeats the low airflow speed or pause as in dehumidification operation 3 Fuzzy Operation for Heating According to the setting temperature selected by Fuzzy rule when the intake air temp is 3 or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp Compressor OFF Temp 2 Setting Temp 3 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C lt Intake Air Temp gt Intake Air Temp 0 5 C Intake Air Temp 20 C 220 When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is set to the high or the medium according to the intake air temperature and the setting temperature 8 Airflow Speed Selection airflow speed of the indoor fan is set to high medium low or chaos auto by the input of the airflow speed selection key on the remote control 8 On Timer Operation When the
71. website http www lgservice com G e mail http www lgeservice com techsup html LG Free Joint Multi Type Air Conditioner SERVICE MANUAL MODEL Cooling Model Heating Model Outdoor Unit A2UC146FA0 A2UH146FA0 A2UC186FA0 A2UH186FA0 A3UC216FA0 A3UH216FA0 A4UC306FA0 A4UH306FA0 Indoor Unit X AMNCO76LQLO AMNHO76LQL0 AMNCO96LQLO AMNHO96LQL0 LQA0 AMNC126LRLO AMNH126LRLO AMNC186LTLO AMNH186LTLO AMNC246LTLO AMNH246LTLO LTAO AMNCO96AP 1 AMNHO096AP 1 AMNC126AP 1 AMNH126AP 1 CAUTION e BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL Multi Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautlols uc aS EE Eege 3 Details of LG Model Eed 7 Product Speciflcatlons o deck lei 8 Combination L T uu 11 DIMENSIONS e P ec 17 Refrigeration Cycle Diagram etre 22 Wiring eee 26 Electronic Contra DEV ne dert 29 Schematic E LCE ER V V 35 Operation Details mem 39 2 Way 46 Cycle Troubleshooting Guide A 50 Electronic Parts Troubleshooting Guide AA 52 Disassembly of the parts Indoor unt 58 Exploded View Repl

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