Airwell YUD024 Service Manual Download Page 75

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TROUBLESHOOTING

12-4

SM YUD 2-A.1 GB

12.1.3.4 Outdoor Unit Diagnostics and Corrective Actions

Indoor

indicators

ODU

indicators

Failure Possible

Reasons/Corrective

actions

DC over voltage protection

AC power supply is higher than 265V

Outdoor PCB circuit malfunction

E5 P8

Heat sink overheating
protection

Insufficient grease on heatsink or poor connection of
heatsink to PCB

Outdoor PCB problem.

Current sensor failure

PCB is damaged

HST failure

PCB is damaged

E5 P5

Compressor phase current
detection problem

Phase current detection circuit for compressor has problem.

DC under voltage protection

AC power supply voltage is less than 150VAC

Outdoor PCB circuit malfunction

Compressor startup failure

Compressor

wiring

mistake

Over charged system

System not balanced before compressor starting

Compressor problem

E5 Hc

PFC

protection

PFC module assembly problem.

Poor heat exchange of Heatsink

PFC reactor problem.

Abnormal power voltage

PFC circuit problem on PCB

E5 LE

Compressor

lock

Compressor

wiring

mistake

Over charged system

System not balanced before compressor starting

Compressor problem

E5 P0

IPM

reset

E5 H7

Desynchronizing of
compressor

Abnormal power input voltage.

Compressor

wiring

mistake.

Liquid and gas valve are not open.

EEV damaged or not proper working

Poor heat exchange.

Over charged system.

。

E5 Ld

Lack phase protection of
compressor

Phase current detection circuit for compressor has
problem.

Comp

wiring

mistake

E5 P6

Communication malfunction
between driver and main
controller

Wiring

mistakes

ODU PCB problem

E5 H5

IPM

protection

Abnormal power input voltage.

Compressor

wiring

mistake.

Liquid and gas valve are not open.

EEV damaged or not proper working

Poor heat exchange.

Over charged system.

Compressor over speed

Sensor connection protection

Compressor

wiring

mistake

The compressor wire go cross the relative current sensor

IPM

damage

Temperature shift protection

AC contactor protection

E1 E1

High-pressure switch
protection

Refrigerant

was

superabundant

Poor heat exchange (including blockage and bad radiating
environment )

Too high ambient temperature

E3 E3

Low-pressure switch
protection

Refrigerant

leakage

Poor heat exchange (including blockage and bad radiating
environment )

EEV connection problem or damage

E4 E4

Compressor over heating
protection

EEV connection problem or damage

Refrigerant

leakage

Poor heat exchange

Summary of Contents for YUD024

Page 1: ...r Units CAD024 DBD024 FAD024 YUD024 CAD030 DBD030 FAD030 YUD030 CAD036 DBD036 FAD036 YUD036 CAD036 DBD036 FAD036 YUD036T CAD042 YUD042 DBD048 FAD048 YUD048 DBD060 YUD060 REFRIGERANT R410A HEAT PUMP SM YUD 2 A 1 GB JAN 2012 Version 2 ...

Page 2: ...indicates no changes in the relevant page All pages in the following list represent effected non effected pages divided by chapters Dates of issue for original and changed pages are Total number of pages in this publication is 117 consisting of the following Page No Revision No Page No Revision No Page No Revision No Zero in this column indicates an original page ...

Page 3: ... RATING CONDITIONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA 5 1 6 AIRFLOW CURVES 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAMS 8 1 9 REFRIGERATION DIAGRAMS 9 1 10 TUBING CONNECTIONS 10 1 11 CONTROL SYSTEM 11 1 12 TROUBLESHOOTING 12 1 13 EXPLODED VIEWS AND SPARE PART LISTS 13 1 14 APPENDIX 14 1 ...

Page 4: ...te DCI 4 sizes including 24 30 36 42kBtu h Indoor Ducted DCI 5 sizes including 24 30 36 48 60kBtu h The outdoor unit has two options of 1 phase 3 phases 1 Phase 3 sizes including 24 30 36kBtu h 3 Phase 4 sizes including 36 42 48 60kBtu h 1 2 Main Features DCI R410A models Auto mode Cooling Heating Dehumidification Sleep mode ON OFF timer Auto swing cassette and floor ceiling 4 dimension swing cass...

Page 5: ... It includes Coil with hydrophilic aluminum fins Motorized flaps step motors for CAD and FAD Advanced electronic control box assembly 1 4 Filtration The series presents air filters Easily accessible and re usable pre filters mesh 1 5 Control The microprocessor indoor controller and an infrared remote control and wired controller supplied as standard provide complete operating function and programm...

Page 6: ... for RC units Outlet air fan grill Service valves flare type connection 1 7 Tubing Connections Flare type interconnecting tubing to be produced on site For further details please refer to the Installation Manual Chapter 10 1 8 Accessories RCW3 Wall Mounted Remote Control The RCW3 remote control is mounted on the wall and controls the unit either as an infrared remote control or as a wired controll...

Page 7: ...WSI DBD036 N11 AWSI DBD048 N11 AWSI DBD060 N11 AWSI CAD024 N11 AWSI CAD030 N11 AWSI CAD036 N11 AWSI CAD042 N11 OUTDOOR UNITS AWSI FAD024 N11 AWSI FAD030 N11 AWSI FAD036 N11 AWSI FAD048 N11 AWAU YUD024 H11 AWAU YUD030 H11 AWAU YUD036 H11 AWAU YUD036 H13 AWAU YUD042 H13 AWAU YUD048 H13 AWAU YUD060 H13 ...

Page 8: ...I D mm 20 Dimensions WxHxD mm 1270 268 530 Net Weight kg 36 Package dimensions WxHxD mm 1345 283 594 INDOOR Packaged weight kg 43 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB220FLHMC Fan type quantity Axial fan 1 Fan speeds H RPM 840 Air flow H m3 hr 4200 Sound power level H dB A 69 Sound pressure level 3 H dB A 59 Dimensions WxHxD mm 980x790x427 Net Weight kg ...

Page 9: ...nsions WxHxD mm 840 240 840 Net Weight kg 28 Package dimensions WxHxD mm 960 310 960 INDOOR Packaged weight kg 36 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB220FLHMC Fan type quantity Axial fan 1 Fan speeds H RPM 840 Air flow H m3 hr 4200 Sound power level H dB A 69 Sound pressure level 3 H dB A 59 Dimensions WxHxD mm 980x790x427 Net Weight kg 65 Package dimen...

Page 10: ...sions WxHxD mm 1220x700x225 Net Weight kg 43 Package dimensions WxHxD mm 1343x315x823 INDOOR Packaged weight kg 52 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB220FLHMC Fan type quantity Axial fan 1 Fan speeds H RPM 840 Air flow H m3 hr 4200 Sound power level H dB A 69 Sound pressure level 3 H dB A 59 Dimensions WxHxD mm 980x790x427 Net Weight kg 65 Package dime...

Page 11: ...imensions WxHxD mm 1270 268 530 Net Weight kg 40 Package dimensions WxHxD mm 1345 283 594 INDOOR Packaged weight kg 46 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB220FLHMC Fan type quantity Axial fan 1 Fan speeds H RPM 780 Air flow H m3 hr 4200 Sound power level H dB A 69 Sound pressure level 3 H dB A 59 Dimensions WxHxD mm 980 790 427 Net Weight kg 68 Package ...

Page 12: ...20 840 Net Weight kg 32 Package dimensions WxHxD mm 960 394 960 INDOOR Packaged weight kg 43 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB220FLHMC Fan type quantity Axial fan 1 Fan speeds H RPM 840 Air flow H m3 hr 4200 Sound power level H dB A 69 Sound pressure level 3 H dB A 59 Dimensions WxHxD mm 980 790 427 Net Weight kg 68 Package dimensions WxHxD mm 1083 8...

Page 13: ...sions WxHxD mm 1420x700 x245 Net Weight kg 51 Package dimensions WxHxD mm 1545x330x825 INDOOR Packaged weight kg 58 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB220FLHMC Fan type quantity Axial fan 1 Fan speeds H RPM 840 Air flow H m3 hr 4200 Sound power level H dB A 69 Sound pressure level 3 H dB A 59 Dimensions WxHxD mm 980 790 427 Net Weight kg 68 Package dim...

Page 14: ...1226x290x775 Net Weight kg 57 Package dimensions WxHxD mm 1335 305 834 INDOOR Packaged weight kg 67 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB306FPGMC Fan type quantity Axial fan 1 Fan speeds H RPM 900 Air flow H m3 hr 6000 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1107x1100x440 Net Weight kg 89 Package dimensions WxHxD ...

Page 15: ...sions WxHxD mm 840 320 840 Net Weight kg 32 Package dimensions WxHxD mm 960 394 960 INDOOR Packaged weight kg 43 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB306FPGMC Fan type quantity Axial fan 1 Fan speeds H RPM 900 Air flow H m3 hr 6000 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1107x11100x440 Net Weight kg 89 Package dim...

Page 16: ...00 x245 Net Weight kg 52 Package dimensions WxHxD mm 1545x330x825 INDOOR Packaged weight kg 61 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB306FPGMC Fan type quantity Axial fan 1 Fan speeds H RPM 900 Air flow H m3 hr 6000 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1107x1100x440 Net Weight kg 89 Package dimensions WxHxD mm 11...

Page 17: ...Dimensions WxHxD mm 1226x290x775 Net Weight kg 57 Package dimensions WxHxD mm 1335 305 834 INDOOR Packaged weight kg 67 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB306FPNMC Fan type quantity Axial fan 1 Fan speeds H RPM 900 Air flow H m3 hr 6000 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1107x1100x440 Net Weight kg 88 Packa...

Page 18: ...320 840 Net Weight kg 32 Package dimensions WxHxD mm 960 394 960 INDOOR Packaged weight kg 43 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB306FPNMC Fan type quantity Axial fan 1 Fan speeds H RPM 900 Air flow H m3 hr 6000 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1107x1100x440 Net Weight kg 88 Package dimensions WxHxD mm 115...

Page 19: ...imensions WxHxD mm 1420x700 x245 Net Weight kg 53 Package dimensions WxHxD mm 1545x330x825 INDOOR Packaged weight kg 61 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB306FPNMC Fan type quantity Axial fan 1 Fan speeds H RPM 900 Air flow H m3 hr 6000 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1107x1100x440 Net Weight kg 88 Packa...

Page 20: ... 320 840 Net Weight kg 32 Package dimensions WxHxD mm 960 394 960 INDOOR Packaged weight kg 46 Refrigerant control EEV Compressor type model Twin Rotary MITSUBISHI ELECTRIC TNB306FPNMC Fan type quantity Axial fan 1 Fan speeds H RPM 900 Air flow H m3 hr 6000 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1107x1100x440 Net Weight kg 88 Package dimensions WxHxD mm 11...

Page 21: ...mm 18 Dimensions WxHxD mm 1226 330x815 Net Weight kg 66 Package dimensions WxHxD mm 1335 345 882 INDOOR Packaged weight kg 76 Refrigerant control EEV Compressor type model Twin Rotary Panasonic 5VD420ZBA21 Fan type quantity Axial fan 2 Fan speeds H RPM 840 Air flow H m3 hr 7200 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1085x1365x427 Net Weight kg 116 Package ...

Page 22: ...D mm 1700x700 x245 Net Weight kg 65 Package dimensions WxHxD mm 1825x330x825 INDOOR Packaged weight kg 73 Refrigerant control EEV Compressor type model Twin Rotary Panasonic 5VD420ZBA21 Fan type quantity Axial fan 2 Fan speeds H RPM 840 Air flow H m3 hr 7200 Sound power level H dB A 71 Sound pressure level 3 H dB A 61 Dimensions WxHxD mm 1085x1365x427 Net Weight kg 122 Package dimensions WxHxD mm ...

Page 23: ...0 Dimensions WxHxD mm 1463 385x799 Net Weight kg 66 Package dimensions WxHxD mm 1540 400 880 INDOOR Packaged weight kg 76 Refrigerant control EEV Compressor type model Twin Rotary Panasonic 5VD420ZBA21 Fan type quantity Axial fan 2 Fan speeds H RPM 840 Air flow H m3 hr 7200 Sound power level H dB A 73 Sound pressure level 3 H dB A 63 Dimensions WxHxD mm 1085x1365x427 Net Weight kg 118 Package dime...

Page 24: ...ooling Indoor 27o C DB 19o C WB Outdoor 35 o C DB Heating Indoor 20o C DB Outdoor 7o C DB 6o C WB 3 1 Operating Limits R410A Indoor Outdoor Upper limit 32o C DB 23o C WB 48o C DB Cooling Lower limit 21o C DB 15o C WB 15o C DB Upper limit 27o C DB 24o C DB 18o C WB Heating Lower limit 10o C DB 15o C DB 1PH 198 264 V Voltage 3PH 360 440 V ...

Page 25: ...Model A A B B C C D D E E F F G G CAD024 950 890 840 780 680 160 240 CAD030 036 042 950 890 840 780 680 160 320 4 2 DBD 024 030 036 048 Unit mm A B C D E F G H I J DBD024 030 1101 515 820 1159 1270 530 1002 160 235 268 DBD036 1011 748 820 1115 1226 775 979 160 231 290 DBD048 1015 788 820 1115 1226 815 979 160 261 330 ...

Page 26: ... YUD 2 A 1 GB 4 3 DBD 060 Unit mm Model A B C D E F G H I DBD060 1353 632 992 1150 192 343 1463 389 799 4 4 FAD Unit mm Model A B C D E FAD024 1220 225 1158 700 280 FAD030 036 1420 245 1354 700 280 FAD048 1700 245 1634 700 280 ...

Page 27: ...OUTLINE DIMENSIONS 4 5 Outdoor Unit 4 5 1 Outdoor unit YUD 024 030 4 5 2 Outdoor unit YUD 036 042 SM YUD 2 A 1 GB 4 3 ...

Page 28: ...OUTLINE DIMENSIONS 4 4 SM YUD 2 A 1 GB 4 5 3 Outdoor unit YUD 048 060 ...

Page 29: ... 84 1 86 1 88 1 90 1 90 TC 5 54 6 01 6 60 6 93 7 19 35 SC 3 78 4 11 4 49 4 44 4 62 PI 1 99 2 02 2 05 2 07 2 07 TC 5 02 5 48 6 07 6 40 6 67 40 SC 3 51 3 86 4 25 4 18 4 38 PI 2 14 2 17 2 21 2 23 2 25 TC 4 36 4 82 5 41 5 74 6 01 46 SC 3 19 3 54 3 98 3 91 4 09 PI 2 35 2 39 2 43 2 46 2 48 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp...

Page 30: ... 84 5 04 1 95 4 82 2 07 6 7 42 1 97 7 20 2 11 6 95 2 24 10 8 06 2 08 7 85 2 23 7 63 2 38 15 8 71 2 17 8 50 2 34 8 28 2 49 20 9 18 2 24 8 96 2 43 8 71 2 62 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 1 4 Capacity Correction Factors Heating Capacity Ratio Vs Outdoor Temperature 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 15 10 5 0 5 10...

Page 31: ... 39 2 41 2 42 TC 6 55 7 10 7 80 8 19 8 50 35 SC 4 46 4 85 5 30 5 24 5 46 PI 2 52 2 56 2 60 2 62 2 63 TC 5 93 6 47 7 18 7 57 7 88 40 SC 4 14 4 56 5 02 4 94 5 18 PI 2 71 2 76 2 81 2 83 2 85 TC 5 15 5 69 6 40 6 79 7 10 46 SC 3 77 4 18 4 70 4 61 4 83 PI 2 98 3 03 3 08 3 12 3 15 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID In...

Page 32: ...09 5 74 2 22 5 49 2 35 6 8 45 2 24 8 20 2 40 7 91 2 55 10 9 18 2 37 8 94 2 53 8 69 2 71 15 9 92 2 47 9 68 2 66 9 43 2 83 20 10 46 2 54 10 21 2 76 9 92 2 98 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 2 4 Capacity Correction Factors Heating Capacity Ratio Vs Outdoor Temperature 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 15 10 5 0 5 1...

Page 33: ... 99 3 03 3 06 3 07 TC 8 32 9 01 9 90 10 40 10 79 35 SC 5 66 6 16 6 73 6 65 6 93 PI 3 20 3 25 3 30 3 33 3 34 TC 7 52 8 22 9 11 9 60 10 00 40 SC 5 26 5 79 6 37 6 27 6 57 PI 3 45 3 50 3 56 3 60 3 62 TC 6 53 7 23 8 12 8 61 9 01 46 SC 4 78 5 30 5 97 5 86 6 13 PI 3 78 3 84 3 91 3 96 4 00 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o...

Page 34: ...70 2 82 7 37 2 99 6 11 33 2 85 11 00 3 05 10 62 3 24 10 12 32 3 01 11 99 3 22 11 66 3 44 15 13 31 3 14 12 98 3 39 12 65 3 60 20 14 03 3 23 13 70 3 51 13 31 3 78 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 3 4 Capacity Correction Factors Heating Capacity Ratio Vs Outdoor Temperature 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 15 10 5 ...

Page 35: ...6 87 7 15 PI 2 96 2 99 3 03 3 06 3 07 TC 8 32 9 01 9 90 10 40 10 79 35 SC 5 66 6 16 6 73 6 65 6 93 PI 3 20 3 25 3 30 3 33 3 34 TC 7 52 8 22 9 11 9 60 10 00 40 SC 5 26 5 79 6 37 6 27 6 57 PI 3 45 3 50 3 56 3 60 3 62 TC 6 53 7 23 8 12 8 61 9 01 46 SC 4 78 5 30 5 97 5 86 6 13 PI 3 78 3 84 3 91 3 96 4 00 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB Wet Bulb Temp o C...

Page 36: ...70 2 82 7 37 2 99 6 11 33 11 00 10 62 2 85 3 05 3 24 10 12 32 3 01 11 99 3 22 11 66 3 44 15 13 31 3 14 12 98 3 39 12 65 3 60 20 14 03 3 23 13 70 3 51 13 31 3 78 LEGEND H Total Heating Capacity kW C r 4 4 Capacitor Correction Factors T PI Power Input kW o WB Wet Bulb Temp DB Dry Bulb Temp o C ID Indoor OU Outdoo 5 Heating Capacity Ratio Vs Outdoor Temperature 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 15 10...

Page 37: ... 12 3 16 3 19 3 20 TC 9 07 9 83 10 80 11 34 11 77 35 SC 7 81 8 50 9 29 9 18 9 56 PI 3 33 3 38 3 44 3 47 3 48 TC 8 21 8 96 9 94 10 48 10 91 40 SC 7 26 7 99 8 78 8 65 9 07 PI 3 59 3 65 3 71 3 75 3 78 TC 7 13 7 88 8 86 9 40 9 83 46 SC 6 60 7 31 8 24 8 08 8 46 PI 3 94 4 00 4 07 4 13 4 17 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp...

Page 38: ... 26 3 19 7 91 3 38 6 12 15 3 23 11 80 3 45 11 39 3 66 10 13 22 3 41 12 86 3 64 12 51 3 89 15 14 28 3 55 13 92 3 83 13 57 4 07 20 15 05 3 66 14 69 3 97 14 28 4 28 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 5 4 Capacity Correction Factors Heating Capacity Ratio Vs Outdoor Temperature 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 15 10 5...

Page 39: ...96 4 02 4 05 4 06 TC 11 76 12 74 14 00 14 70 15 26 35 SC 8 01 8 71 9 52 9 41 9 79 PI 4 23 4 30 4 37 4 40 4 42 TC 10 64 11 62 12 88 13 58 14 14 40 SC 7 44 8 19 9 00 8 86 9 29 PI 4 56 4 63 4 72 4 76 4 80 TC 9 24 10 22 11 48 12 18 12 74 46 SC 6 76 7 50 8 44 8 28 8 67 PI 5 00 5 09 5 17 5 24 5 30 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry B...

Page 40: ... 55 4 24 11 06 4 49 6 17 00 4 28 16 50 4 58 15 92 4 86 10 18 48 4 52 17 99 4 83 17 49 5 17 15 19 97 4 72 19 47 5 08 18 98 5 40 20 21 04 4 85 20 54 5 27 19 97 5 68 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 6 4 Capacity Correction Factors Heating Capacity Ratio Vs Outdoor Temperature 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 15 10 ...

Page 41: ... 4 87 4 91 4 92 TC 14 28 15 47 17 00 17 85 18 53 35 SC 9 72 10 58 11 56 11 42 11 89 PI 5 14 5 22 5 30 5 34 5 36 TC 12 92 14 11 15 64 16 49 17 17 40 SC 9 03 9 94 10 93 10 76 11 29 PI 5 53 5 62 5 72 5 78 5 82 TC 11 22 12 41 13 94 14 79 15 47 46 SC 8 21 9 10 10 25 10 06 10 53 PI 6 07 6 17 6 28 6 36 6 42 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB Wet Bulb Temp o C...

Page 42: ...12 60 4 63 12 06 4 90 6 18 54 4 68 18 00 5 00 17 37 5 31 10 20 16 4 94 19 62 5 28 19 08 5 64 15 21 78 5 15 21 24 5 55 20 70 5 90 20 22 95 5 30 22 41 5 75 21 78 6 20 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 7 4 Capacity Correction Factors Heating Capacity Ratio Vs Outdoor Temperature 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 15 1...

Page 43: ...5m 10m 15m 20m 25m 30m 40m 50m 1 02 1 0 98 0 96 0 95 0 95 0 93 0 91 0 89 Minimum recommended tubing length between indoor and outdoor units is 3m 5 8 2 Heating TOTAL TUBING LENGTH Model 3m 7 5m 10m 15m 20m 25m 30m 40m 50m 1 02 1 0 98 0 96 0 95 0 95 0 93 0 91 0 89 Minimum recommended tubing length between indoor and outdoor units is 3m ...

Page 44: ...External Static Pressure Pa Nominal System Curve Max System Curve High speed Medium Speed Low Speed Performance test point at 50 Pa Operating Range 6 2 Model AWSI DBD030 N11 Airflow Vs External Static Pressure 0 10 20 30 40 50 60 70 80 90 100 800 1000 1200 1400 1600 1800 Airflow Rate m hr External Static Pressure Pa Nominal System Curve Max System Curve High speed Medium Speed Low Speed Performanc...

Page 45: ...ominal System Curve Max System Curve High speed Medium Speed Low Speed Performance test point at 50 Pa Operating Range 6 4 Model AWSI DBD048 N11 Airflow Vs External Static Pressure 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 1400 1600 1800 2000 2200 2400 2600 2800 Airflow Rate m hr External Static Pressure Pa Nominal System Curve Max System Curve High speed Medium Speed Low Speed Performa...

Page 46: ... Pressure 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 Airflow Rate m hr External Static Pressure Pa Nominal System Curve Max System Curve High speed Medium Speed Low Speed Performance test point at 50 Pa Operating Range ...

Page 47: ... 50Hz 3PH 380 415V 50Hz Capability of Air Switch A Indoor 10A Capability of Air Switch A Outdoor 20A 25A 32A 16A 20A 25A Power Supply Wiring No X Cross Section mm2 ODU 3x4 0mm2 5x2 5mm2 5 x4 0mm2 Power Supply Wiring No X Cross Section mm2 IDU 3 x1 5mm2 Interconnecting Cable Model No X Cross Section mm2 2x0 75mm2 NOTE Power wiring cord should comply with local lows and electrical regulations requir...

Page 48: ...WIRING DIAGRAMS SM YUD 2 A 1 GB 8 1 8 WIRING DIAGRAMS 8 1 AWAU YUD024 H11 AWAU YUD030 H11 ...

Page 49: ...WIRING DIAGRAMS 8 2 SM YUD 2 A 1 GB 8 2 AWAU YUD036 H11 ...

Page 50: ...WIRING DIAGRAMS 8 3 AWAU YUD036 H13 AWAU YUD042 H13 SM YUD 2 A 1 GB 8 3 ...

Page 51: ...WIRING DIAGRAMS 8 4 SM YUD 2 A 1 GB 8 4 AWAU YUD048 H13 AWAU YUD060 H13 ...

Page 52: ...WIRING DIAGRAMS SM YUD 2 A 1 GB 8 5 8 5 AWSI CAD024 N11 ...

Page 53: ...WIRING DIAGRAMS 8 6 SM YUD 2 A 1 GB 8 6 AWSI CAD030 036 042 N11 ...

Page 54: ...WIRING DIAGRAMS 8 7 AWSI FAD024 N11 SM YUD 2 A 1 GB 8 7 ...

Page 55: ...WIRING DIAGRAMS 8 8 SM YUD 2 A 1 GB 8 8 AWSI FAD030 036 048 N11 ...

Page 56: ...WIRING DIAGRAMS 8 9 AWSI DBD024 030 036 048 060 N11 SM YUD 2 A 1 GB 8 9 ...

Page 57: ...REFRIGERATION DIAGRAMS SM YUD 2 A 1 GB 9 1 9 REFRIGERATION DIAGRAMS 9 1 Cooling Mode 9 2 Heating Mode ...

Page 58: ...CONNECTIONS TUBING CONNECTIONS When the outdoor unit is installed above the indoor unit an oil trap is required every 5m along the suction line at the lowest point of the riser In case the indoor unit is installed above the outdoor no trap is required ...

Page 59: ...tion Concept The control function is divided between indoor and outdoor unit controllers Indoor unit is the system Master requesting the outdoor unit for cooling heating capacity supply The outdoor unit is the system Slave and it must supply the required capacity unless it enters into a protection mode avoiding it from supplying the requested capacity Target frequency is transferred via indoor to ...

Page 60: ...en low noise commands come from the indoor unit or when outdoor unit low noise or quiet commands come from indoor unit the upper limit frequency must be lowered than the usual setting 11 1 3 1 Frequency range The compressor frequency limitation is set by the following table Minimum Frequency MinFreq Mode 24 30 36 36 42 48 60 Cooling 20 20 20 20 20 20 20 Heating 20 20 20 20 20 20 20 The maximum all...

Page 61: ... automatically according to the difference between actual room temperature RAT and user set point temperature SPT Indoor Fan speed High Medium Low Cooling 2 0 2 0 RAT SPT Heating 1 1 3 3 In DRY mode the automatic fan speed is forced to be low 11 1 5 1 Turbo Speed In COOL and HEAT mode not available in AUTO DRY FAN mode press the Turbo button the super high fan speed is selected on Remote control a...

Page 62: ...ady for system operating 2 EEV openloop depends on OAT RAT SPT and compressor frequency after compressor starts to operate 3 Target CTT control will be performed after compressor operates for 5min 4 The EEV opening will be updated every 5s 11 1 8 Reversing Valve RV Control Reversing valve is on in heat mode RV ON will delay 10 sec when compressor is ON and Switching of RV state is done only after ...

Page 63: ... refer to 11 1 5 11 4 Heat Mode If Load 0 the unit will operate in heating mode The compressor outdoor fan and 4 way valve will operate and the indoor fan will delay 1 30 to start at the latest If LoadAT 0 the compressor will stop operation and the outdoor fan will delay 60 seconds to stop And the indoor fan will blow for 60s at low fan speed for cassette and floor ceiling model and at setting fan...

Page 64: ...rting During this period the fan speed can t be switched For manual OFF condition the residual heat blowing function will last 60s for all indoor models 11 5 Auto Cool Heat Mode In AUTO mode the system selects the running mode COOL HEAT FAN automatically according to the room temperature The display shows the actual running mode and setting temperature There will be 30s delay for mode conversion 1...

Page 65: ...1 8 2 High Pressure Protection of Compressor by high pressure switch When high pressure protection is detected for 3 seconds continuously the high pressure switch is 4 2Mpa the unit will stop and report the fault it can not resume running automatically and display malfunction it can resume by pressing ON OFF 11 8 3 Compressor over Heating Protection If the discharge temperature rises above a certa...

Page 66: ...ature OCT Under the conditions that the system is in heating operation after the time for defrosting is judged to be satisfied if the temperature for deicing is satisfied after detections for continuous 3minutes the deicing operation will start Deicing interval time is changed as a function of deicing time If deicing time is shorter than former deicing time the deicing interval time will be increa...

Page 67: ...ped for 3min the unit will resume running 11 8 8 IPM module protection When the compressor starts if there is over current or control voltage low for IPM module as some abnormal results IPM will detect module protection signal as the unit is on Once the module protective signal is detected stop the unit with module protection immediately If the module protection is resumed and compressor has stopp...

Page 68: ...e unit in AUTO mode the microcomputer will monitor the room temperature and select the COOL HEAT FAN mode automatically and temperature Fan speed settings can not be changed 11 10 Indoor Unit Controllers and Indicators The following is schematic drawing for the display CAD RUN INDICATOR Lights up when the Air Conditioner is ON OPERATION INDICATOR Lights up when the compressor is ON TIMER INDICATOR...

Page 69: ...t button on remote controller for 3 times in 3s successively to enter into Freon recovery mode Fo will be displayed When Freon recovery mode operated for 25mins all loads will operate in cooling mode The setting fan speed is high fan speed and the setting temperature is 16C Exiting forced mode Any signal from remote controller or button will exit the forced mode and then the unit will operate at t...

Page 70: ...20 30 40 50 60 70 80 90 100 110 120 130 140 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Temperature C Resistance Kohm 11 12 2 ICT OCT ICT OCT R T Chart 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Temperature C Resistance Kohm ...

Page 71: ...CONTROL SYSTEM 11 12 3 CTT SM YUD 2 A 1 GB 11 13 CTT R T Chart 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Temperature C Resistance Kohm ...

Page 72: ...ut first turning off the power At time such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Normally diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Precautions when inspecting the control section of the out...

Page 73: ...E2 Run LED blink 3 times Defrost protection z Poor air return in indoor unit z Fan speed is abnormal z Evaporator is dirty z The ambient temperature is too low E3 Oper LED blink 4 times Low pressure switch protection z Refrigerant leakage z Poor heat exchange including blockage and bad radiating environment z EEV connection problem or damage E4 Oper LED blink 6 times Compressor over heating protec...

Page 74: ...troller P6 E5 IPM protection H5 E5 Compressor over speed LF E5 Sensor connection protection Pd E5 Temperature shift protection PE E5 AC contactor protection P9 E5 High pressure switch protection E1 E1 Low pressure switch protection E3 E3 Compressor over heating protection E4 E4 Compressor overload protection H3 E5 Communication malfunction among indoor unit outdoor unit and wired controller E6 E6 ...

Page 75: ...mpressor problem E5 P0 IPM reset E5 H7 Desynchronizing of compressor z Abnormal power input voltage z Compressor wiring mistake z Liquid and gas valve are not open z EEV damaged or not proper working z Poor heat exchange z Over charged system E5 Ld Lack phase protection of compressor z Phase current detection circuit for compressor has problem z Comp wiring mistake E5 P6 Communication malfunction ...

Page 76: ... in fixed settings The performance curves given in this manual are given for unit performance in test mode when high indoor fan speed is selected Entering test mode please refer to section 11 Control system 12 2 Simple procedures for checking the Main Parts 12 2 1 Checking Mains Voltage Confirm that the Mains voltage is between 198 and 264 VAC If Mains voltage is out of this range abnormal operati...

Page 77: ...SPARE PARTS LIST SM YUD 2 A 1 GB 13 1 13 EXPLODED VIEWS AND SPARE PART LISTS 13 1 Exploded view of Indoor unit DBD024 ...

Page 78: ...ht SYP 160 200J 1 11 01265304 Bottom Cover 1 12 01285317 Water Tray Foam 1 13 none Water Pump 0 14 none Water Pump Assy 0 15 305050031 16 01425269 Electric Box Cover 1 17 01395777 Electric Box Assy 1 18 33010014 Capacitor 1 19 43110239 Transformer 1 20 42010194 Terminal Board 1 21 30228205 Main PCB2 Z8235 1 22 30294219 Display Board 1 23 30510460 Remote controller YX1F1 1 24 3900012128G Tube senso...

Page 79: ...SPARE PARTS LIST 13 3 Exploded view of Indoor unit DBD024 060 SM YUD 2 A 1 GB 13 3 ...

Page 80: ...301 Fan Fixed Plate 1 10 01495304 Seal of Connection Pipe 1 11 01025387 Evaporator Assy 1 12 01285317 Water Tray Foam 1 13 01265304 Bottom Cover 1 14 01395777 Electric Box Assy 1 15 30228205 Main PCB2 Z8235 1 16 43110239 Transformer 1 17 33010014 Capacitor 1 18 42010194 Terminal Board 1 19 3900012128G Tube sensor 1 20 3900012123G Temperature Sensor 1 21 01425269 Electric Box Cover 1 22 01315304 Ri...

Page 81: ...SPARE PARTS LIST 13 5 Exploded view of Indoor unit DBD036 SM YUD 2 A 1 GB 13 5 ...

Page 82: ...inal Board 1 14 70410523 Isolation Washer 1 15 71010102 Fixed Clamp 2 16 30510460 Remote controller YX1F1 1 17 30294219 Display Board 1 18 450127011 Water Level Switch 1 19 15405302 Water Pump Assy 1 20 01285323 Water Tray Components 1 21 15265301 Bottom Cover 1 22 15018604 Motor 1 23 15705305 Fan Motor 1 24 15018603 Motor 1 25 01325220 Fixing Plate Sub assy 1 26 01315341 Right Side Plate Sub Assy...

Page 83: ...SPARE PARTS LIST 13 7 Exploded view of Indoor unit DBD060 SM YUD 2 A 1 GB 13 7 ...

Page 84: ... plate sub assy connection pipe 1 12 02285220 Guide slot filter 2 13 11725211 Filter sub assy 2 14 01395970 Electric Box Assy 1 15 42010194 Terminal Board 1 16 3301074709 Capacitor CBB61 1 17 43110239 Transformer 1 18 30228205 Main PCB2 Z8235 1 19 01845221 Electrical Retaining Plate 1 20 01265359 Upper cover plate assy 1 21 30510460 Remote controller YX1F1 1 22 39000208 Temperature Sensor 1 23 390...

Page 85: ...SPARE PARTS LIST 13 9 Exploded view of Indoor unit CAD024 SM YUD 2 A 1 GB 13 9 ...

Page 86: ... Assy1 1 16 390001921G Tube Sensor 1 17 30510460 Remote controller YX1F1 1 18 20122055 Electric Box Cover Sub Assy2 1 19 30227111 Main PCB Z71351E 1 20 33010010 Capacitor CBB61 3 5kuF 450V 1 21 05232702 Drain Hose Assy 1 22 01072703 Evaporator of Fixed Mount 2 23 390001911 Ambient Temperature Sensor 1 24 43130324 Water Pump 1 25 45010201 Water Level Switch 1 26 05230026 Drain Pipe for Water Pump 1...

Page 87: ...SPARE PARTS LIST SM YUD 2 A 1 GB 13 11 13 11 Exploded view of Indoor unit CAD030 ...

Page 88: ...9 01029423 Evaporator Assy 1 10 20182701 Water Tray Assy 1 11 10372722 Flow Guide Loop 1 12 01399610 Electric Box Assy 1 13 42010258 Terminal Board 1 14 43110233 Transformer 48X26G 1 15 20122054 Electric Box Cover Sub Assy1 1 16 390001921G Tube Sensor 1 17 30510460 Remote controller YX1F1 1 18 20122055 Electric Box Cover Sub Assy2 1 19 30227111 Main PCB Z71351E 1 20 33010012 Capacitor 1 21 0523204...

Page 89: ...SPARE PARTS LIST 13 13 Exploded view of Indoor unit CAD036 042 SM YUD 2 A 1 GB 13 13 ...

Page 90: ...nsformer 48X26G 1 19 20102702 Electric Box Cover 1 20 390001911 Ambient Temperature Sensor 1 21 30510460 Remote controller YX1F1 1 22 20102703 Electric Box Cover 1 23 30227111 Main PCB Z71351E 1 24 33010012 Capacitor 1 25 05232702 Drain Hose Assy 1 26 01072707 Evaporator of Fixed Mount 2 27 10312701 Fan Fixer 1 28 43130324 Water Pump 1 29 45010201 Water Level Switch 1 30 05230026 Drain Pipe for Wa...

Page 91: ...102702 Electric Box Cover 1 20 390001911 Ambient Temperature Sensor 1 21 30510460 Remote controller YX1F1 1 22 20102703 Electric Box Cover 1 23 30227111 Main PCB Z71351E 1 24 33010012 Capacitor 1 25 05232702 Drain Hose Assy 1 26 01072707 Evaporator of Fixed Mount 2 27 10312701 Fan Fixer 1 28 43130324 Water Pump 1 29 45010201 Water Level Switch 1 30 05230026 Drain Pipe for Water Pump 1 31 1302712 R...

Page 92: ...SPARE PARTS LIST 13 16 SM YUD 2 A 1 GB 13 16 Exploded view of Indoor unit FAD024 ...

Page 93: ... Board 1 24 01429419 Electric Box 1 25 1521240206 Step Motor 1 26 01319428 Left Side Plate Sub Assy 1 27 26909412 Rotating Shaft 1 28 26909413 Rotating Shaft 1 29 01249416 Mid clapboard sub assy 1 30 01029462 Evaporator Assy 1 31 02229418 Air Deflector Sub Assy 1 32 01319430 Rear side plate assy 1 33 26909442 Fixed Plate 1 35 26909448 Base Frame 1 36 30294224 Display Board 1 37 02229416 Display Bo...

Page 94: ...SPARE PARTS LIST 13 18 SM YUD 2 A 1 GB 13 18 Exploded view of Indoor unit FAD030 036 ...

Page 95: ...y 1 25 1041410101 Centrifugal fan 3 26 01349410 Rear connect plate 1 27 39000191 Ambient Temperature Sensor 1 28 26909419 Front volute casing 3 29 76512404 O Gasket of Bearing 1 30 73018052 Rotary Axis Sub Assy 1 31 73018731 Joint Slack 1 32 15709408 Fan Motor 1 33 02229408 Fixing plate 2 34 01329413 Bracket for motor 1 35 26909419 Rear volute casing 3 36 01579402 Front Grill sub assy 3 37 0126940...

Page 96: ...36K1BI 1 25 1041410101 Centrifugal fan 3 26 01349410 Rear connect plate 1 27 39000191 Ambient Temperature Sensor 1 28 26905208 Front volute casing 3 29 76512404 O Gasket of Bearing 1 30 73018052 Rotary Axis Sub Assy 1 31 73018731 Joint Slack 1 32 15709407 Fan Motor 1 33 02229408 Fixing plate 2 34 01329407 Bracket for motor 1 35 26909419 Rear volute casing 3 36 01579402 Front Grill sub assy 3 37 01...

Page 97: ...SPARE PARTS LIST 13 21 Exploded view of Indoor unit FAD048 SM YUD 2 A 1 GB 13 21 ...

Page 98: ... 23 26909407 PCB Base 1 24 01319406 Left Side Plate Sub Assy 1 25 02229416 Display Board Sub Assy 1 26 30294224 Display Board 1 27 1521240206 Step Motor 1 28 10542704 Axial Bush 2 29 26909411 Connecting Rod 1 30 26909413 Rotating Shaft 1 31 26909412 Rotating Shaft 1 32 01029466 Evaporator Assy 1 33 01319422 Rear side plate assy 1 34 10542704 Axial Bush 2 35 1521240201 Step Motor 1 36 26909411 Conn...

Page 99: ...SPARE PARTS LIST 13 23 Exploded view of outdoor unit YUD024 030 SM YUD 2 A 1 GB 13 23 ...

Page 100: ...te 1 17 01715012P Valve Support Sub Assy 1 18 07100005 Valve 1 19 07133157 Cut off Valve 1 20 26235001 Big Handle 1 21 4300010818 Electric expand valve fitting 1 22 07245007 Silencer Mounting 1 23 4300008201 4 way Valve 1 24 01475008 Rear Grill 1 25 4300040029 Magnet Coil 1 26 46020006 Pressure Protect Switch 1 27 46020003 Pressure Protect Switch 1 28 01245237 Clapboard 1 29 01125394 Condenser Ass...

Page 101: ...SPARE PARTS LIST 13 25 Exploded view of outdoor unit YUD036 SM YUD 2 A 1 GB 13 25 ...

Page 102: ...2 Terminal Board 1 22 49018112 Radiator 1 23 4300010822 Electric expand valve fitting 1 24 04145732 4 way Valve Assy 1 25 43000338 4 way Valve 1 26 01305441P Right Side Plate Sub Assy 1 27 26235253 Handle 2 28 46020006 Pressure Protect Switch 1 29 01715257P Valve Support Sub Assy 1 30 07215201 Filter 1 31 46020003 Pressure Protect Switch 1 32 4300040029 Magnet Coil 1 33 07335263 Electric Expansion...

Page 103: ...SPARE PARTS LIST 13 27 Exploded view of outdoor unit YUD036T YUD042 SM YUD 2 A 1 GB 13 27 ...

Page 104: ...lation Tube 1 1 21 01845235P Retaining Plate Sub Assy 1 22 01195244P Chassis Sub assy 1 23 01805396 Motor Support Assy 1 24 01705111 Motor Support Sub Assy 1 25 150154516 Fan Motor 1 26 10335010 Axial Flow Fan 1 27 20113003 Insulating Plate of Electric box Cover 1 28 01305508 Front Side Plate Sub Assy 1 29 01435007P Cabinet 1 30 22415005 Front Grill 1 31 01895309 Condenser support plate 1 32 01305...

Page 105: ...SPARE PARTS LIST 13 29 Exploded view of outdoor unit YUD048 060 SM YUD 2 A 1 GB 13 29 ...

Page 106: ... 18 07103030 Gas Valve Sub Assy 1 19 01715001 Valve Support Sub Assy 1 20 26235253 Handle 1 21 01314306P Rear Side Plate Sub Assy 1 22 07210037 Filter 1 23 46020003 Pressure Protect Switch 1 24 43000338 4 way Valve 1 25 4300040032 Magnet Coil 1 26 46020006 Pressure Protect Switch 1 27 3900028015G Temperature Sensor 1 28 01575205 Rear Grill 1 29 01025396 Condenser Assy 1 30 4300010813 Electric expa...

Page 107: ...APPENDIX 14 APPENDIX APPENDIX SM YUD 2 A 1 GB 14 1 ...

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