Airwell Flow Logic III YDV T1 Series Service Manual

R410a

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Service Manual

Flow Logic III (T1) YDV T1 Series

R410A

English Manual

IMPORTANT NOTE:

Read this manual carefully before installing or operating your new air conditioning unit. Make sure to

save this manual for future reference.

20.AW.YDVT1.8-72HP.R410A.SM.EN.05.16.Rev01

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Summary of Contents for Airwell Flow Logic III YDV T1 Series

Page 1 Service Manual Flow Logic III (T1) YDV T1 Series R410A English Manual IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference. 20.AW.YDVT1.8-72HP.R410A.SM.EN.05.16.Rev01...
Page 2: Table Of Contents
CONTENTS 1. General Information ............................. 1 2. Specification ................................ 7 3. Dimension ................................. 41 4. Piping diagram ..............................43 5. Wiring diagram ..............................46 6. Capacity calculation due to capacity modification coefficient ................47 7. Operation range ..............................57 8. Noise level ................................. 58 9.
Page 3: General Information
1. General Information 1.1 Feature 1.1.1 Full DC inverter technology, high efficiency • DC fan motor, efficiency 40% enhanced • Full DC INVERTER scroll compressor, efficiency 5% enhanced •180° vector inverter,efficiency 5% enhanced •Zigzag fan, to reduce the air vibration •Two pieces condenser;...
Page 4 • Compressor double protection Base on the basic air discharge sensor, Flow Logic III add the oil temperature sensor at the bottom of compressor. (1) Control the on/off of heater of compressor, preventing from the liquid shock of compressor (2) Judge if the liquid refrigerant enters into the compressor (3) Compressor oil sub heating protection.
Page 5 1.2 Products lineup Outdoor units Power supply Appearance Model Capacity(kW) Refrigerant (Ph, V, Hz) AWAU-YDV250-H13 25.2 AWAU-YDV280-H13 AWAU-YDV335-H13 33.5 AWAU-YDV400-H13 AWAU-YDV450-H13 AWAU-YDV504-H13 50.4 AWAU-YDV560-H13 AWAU-YDV615-H13 61.5 AWAU-YDV680-H13 AWAU-YDV730-H13 73.5 AWAU-YDV800-H13 3Ph,380V R410A 50/60Hz AWAU-YDV850-H13 AWAU-YDV904-H13 90.4 AWAU-YDV954-H13 95.4 AWAU-YDV1010-H13 AWAU-YDV1064-H13 106.4 AWAU-YDV1120-H13 AWAU-YDV1175-H13...
Page 6 Power supply Appearance Model Capacity(kW) Refrigerant (Ph, V, Hz) AWAU-YDV1408-H13 140.8 AWAU-YDV1460-H13 3Ph,380V R410A 50/60Hz AWAU-YDV1514-H13 151.4 AWAU-YDV1570-H13 AWAU-YDV1624-H13 162.4 AWAU-YDV1680-H13 AWAU-YDV1735-H13 173.5 AWAU-YDV1800-H13 AWAU-YDV1855-H13 185.5 AWAU-YDV1920-H13 AWAU-YDV1975-H13 197.5 AWAU-YDV2040-H13 Note: The single module capacity range of Flow Logic III is from 8HP to 24 HP. In one system too much difference of capacity will cause of bad oil return.
Page 7 Indoor units 4-WAY CASSETTE TYPE/PB-700lB ROUND-WAY SMART AIR FLOW CASSETTE/ AWSI-CBV005-N11 Panel for CFV AWSI-CBV007-N11 AWSI-CFV007-N11 AWSI-CBV009-N11 AWSI-CFV009-N11 AWSI-CBV012-N11 AWSI-CFV012-N11 AWSI-CBV016-N11 AWSI-CFV016-N11 AWSI-CCV018-N11 AWSI-CFV018-N11 4-WAY CASSETTE TYPE/CCV PANEL 90X90 AWSI-CFV024-N11 AWSI-CCV018-N11 AWSI-CCV024-N11 AWSI-CFV030-N11 AWSI-CFV038-N11 AWSI-CCV030-N11 AWSI-CCV038-N11 AWSI-CFV048-N11 AWSI-CCV048-N11 AWSI-CFV060-N11 2-WAY CASSETTE TYPE/ P1B-1055IB ONE WAY CASSETTE TYPE/Panel for CDV to s12 AWSI-CEV009-N11 AWSI-CDV007-N11...
Page 8 HlGH ESP DUCT TYPE CONVERTlBLE TYPE AWSI-DCV018-N11 AWSI-FAV009-N11 AWSI-DCV024-N11 AWSI-FAV012-N11 AWSI-FAV018-N11 AWSI-FAV024-N11 AWSI-DCV030-N11 AWSI-DCV038-N11 AWSI-FAV028-N11 AWSI-DCV048-N11 AWSI-FAV030-N11 AWSI-FAV038-N11 AWSI-FAV048-N11 AWSI-DCV072-N11 AWSI-DCV096-N11 N HIGH WALL MED ESP DUCT TYPE (50/100Pa) AW-DBV005-N11 AWSI-HBV007-N11 AW-DBV007-N11 AWSI-HBV009-N11 AW-DBV009-N11 AWSI-HBV012-N11 AW-DBV012-N11 AW-DBV016-N11 AWSI-HBV012-N11 AWSI-HBV016-N11 AW-DBV018-N11 AWSI-HBV018-N11 AW-DBV024-N11 AWSI-HBV024-N11...
Page 9: Specification
2. Specification Model AWAU-YDV250-H13 AWAU-YDV280-H13 Combination Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 25.2 Rated capacity kBtu/h 86.0 95.5 Rated power input 5.79 7.00 Cooling Max. power input 14.02 14.38 4.35 4.00 Rated current 9.57 11.56 Max. current 23.09 23.68 Rated capacity 27.3 31.5...
Page 10 Model AWAU-YDV250-H13 AWAU-YDV280-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 Coil length×height...
Page 11 Model AWAU-YDV335-H13 AWAU-YDV400-H13 Combination Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 33.5 Rated capacity kBtu/h 114.3 136.5 Rated power input 8.59 10.26 Cooling Max. power input 14.73 16.91 3.90 3.90 Rated current 14.19 16.94 Max. current 25.1 28.4 Rated capacity 37.5 Rated capacity kBtu/h...
Page 12 Model AWAU-YDV335-H13 AWAU-YDV400-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 Coil length×height...
Page 13 Model AWAU-YDV450-H13 AWAU-YDV504-H13 Combination Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 50.4 Rated capacity kBtu/h 153.5 172.0 Rated power input 11.90 13.62 Cooling Max. power input 22.68 22.10 3.78 3.70 Rated current 19.66 22.50 Max. current 36.8 36.15 Rated capacity 56.5 Rated capacity kBtu/h...
Page 14 Model AWAU-YDV450-H13 AWAU-YDV504-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 Coil length×height...
Page 15 Model AWAU-YDV560-H13 AWAU-YDV615-H13 Combination Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 61.5 Rated capacity kBtu/h 191.1 209.8 Rated power input 15.56 17.57 Cooling Max. power input 25.19 30.56 3.60 3.50 Rated current 25.69 29.02 Max. current 41.1 49.65 Rated capacity Rated capacity kBtu/h 214.96...
Page 16 Model AWAU-YDV560-H13 AWAU-YDV615-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×.1168.4+...
Page 17 Model AWAU-YDV680-H13 AWAU-YDV730-H13 Combination 12+14 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 73.5 Rated capacity kBtu/h 232.0 250.8 Rated power input 19.71 18.85 Cooling Max. power input 37.47 31.64 3.45 3.90 Rated current 32.55 31.12 Max. current 60.45 53.5 Rated capacity 82.5 Rated capacity kBtu/h...
Page 18 Model AWAU-YDV680-H13 AWAU-YDV730-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×.1168.4+...
Page 19 Model AWAU-YDV800-H13 AWAU-YDV850-H13 Combination 14+14 14+16 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity Rated capacity kBtu/h 273.0 290.0 Rated power input 20.51 22.16 Cooling Max. power input 33.81 39.59 3.90 3.84 Rated current 33.88 36.60 Max. current 56.8 65.2 Rated capacity Rated capacity kBtu/h 307.08...
Page 20 Model AWAU-YDV800-H13 AWAU-YDV850-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×.812.8)*2+...
Page 21 Model AWAU-YDV904-H13 AWAU-YDV954-H13 Combination 14+18 16+18 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 90.4 95.4 Rated capacity kBtu/h 308.4 325.5 Rated power input 23.88 25.53 Cooling Max. power input 39.00 44.78 3.79 3.74 Rated current 39.43 42.16 Max. current 64.55 72.95 Rated capacity 101.5...
Page 22 Model AWAU-YDV904-H13 AWAU-YDV954-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 Coil length×height...
Page 23 Model AWAU-YDV1010-H13 AWAU-YDV1064-H13 Combination 16+20 18+20 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 106.4 Rated capacity kBtu/h 344.6 363.0 Rated power input 27.46 29.18 Cooling Max. power input 47.87 47.28 3.68 3.65 Rated current 45.35 48.19 Max. current 77.9 77.25 Rated capacity 119.5 Rated capacity...
Page 24 Model AWAU-YDV1010-H13 AWAU-YDV1064-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×.812.8)*2+...
Page 25 Model AWAU-YDV1120-H13 AWAU-YDV1175-H13 Combination 20+20 20+22 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 117.5 Rated capacity kBtu/h 382.1 400.9 Rated power input 31.11 33.13 Cooling Max. power input 50.37 55.75 3.60 3.55 Rated current 51.38 54.71 Max. current 82.2 90.75 Rated capacity Rated capacity kBtu/h...
Page 26 Model AWAU-YDV1120-H13 AWAU-YDV1175-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×.1168.4)*2+(1648.2×...
Page 27 Model AWAU-YDV1240-H13 AWAU-YDV1295-H13 Combination 20+24 22+24 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 129.5 Rated capacity kBtu/h 423.1 441.9 Rated power input 35.27 37.28 Cooling Max. power input 62.66 68.03 3.52 3.47 Rated current 58.24 61.57 Max. current 101.55 110.1 Rated capacity Rated capacity kBtu/h...
Page 28 Model AWAU-YDV1240-H13 AWAU-YDV1295-H13 Number of rows Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Salt spray test duration Hour Outdoor coil INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×1168.4+1648.2×812.)*...
Page 29 Model AWAU-YDV1360-H13 AWAU-YDV1408-H13 Combination 24+24 14+18+18 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 140.8 Rated capacity kBtu/h 464.0 480.4 Rated power input 39.42 37.50 Cooling Max. power input 74.94 61.10 3.45 3.75 Rated current 65.10 61.93 Max. current 120.9 100.7 Rated capacity Rated capacity kBtu/h...
Page 30 Model AWAU-YDV1360-H13 AWAU-YDV1408-H13 Number of rows 2+2+2 Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×.1168.4+...
Page 31 Model AWAU-YDV1460-H13 AWAU-YDV1514-H13 Combination 16+16+20 16+18+20 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 151.4 Rated capacity kBtu/h 498.2 516.6 Rated power input 39.37 41.08 Cooling Max. power input 70.55 69.96 3.71 3.69 Rated current 65.01 67.85 Max. current 114.7 114.05 Rated capacity 169.5 Rated capacity...
Page 32 Model AWAU-YDV1460-H13 AWAU-YDV1514-H13 Number of rows 2+2+2 2+2+2 Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×.812.8)*2*2+...
Page 33 Model AWAU-YDV1570-H13 AWAU-YDV1624-H13 Combination 16+20+20 18+20+20 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 162.4 Rated capacity kBtu/h 535.7 554.1 Rated power input 43.02 44.73 Cooling Max. power input 73.05 72.47 3.65 3.63 Rated current 71.04 73.88 Max. current 118.35 Rated capacity 182.5 Rated capacity kBtu/h...
Page 34 Model AWAU-YDV1570-H13 AWAU-YDV1624-H13 Number of rows 2+2+2 2+2+2 Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×812.8)*2+...
Page 35 Model AWAU-YDV1680-H13 AWAU-YDV1735-H13 Combination 20+20+20 20+20+22 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 173.5 Rated capacity kBtu/h 573.2 592.0 Rated power input 46.67 48.68 Cooling Max. power input 75.56 80.93 3.60 3.56 Rated current 77.07 80.40 Max. current 123.3 131.85 Rated capacity Rated capacity kBtu/h...
Page 36 Model AWAU-YDV1680-H13 AWAU-YDV1735-H13 Number of rows 2+2+2 2+2+3 Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×1168.4)*2*2+...
Page 37 Model AWAU-YDV1800-H13 AWAU-YDV1855-H13 Combination 20+20+24 20+22+24 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 185.5 Rated capacity kBtu/h 614.2 632.9 Rated power input 50.82 52.84 Cooling Max. power input 87.84 93.22 3.54 3.51 Rated current 83.93 87.26 Max. current 142.65 151.2 Rated capacity Rated capacity kBtu/h...
Page 38 Model AWAU-YDV1800-H13 AWAU-YDV1855-H13 Number of rows 2+2+3 2+3+3 Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Salt spray test duration Hour INNERGROOVE TUBE Outdoor coil Tube outside dia. and type Ф8 Ф8 (1648.2×1168.4)*2+...
Page 39 Model AWAU-YDV1920-H13 AWAU-YDV1975-H13 Combination 20+24+24 22+24+24 Power supply Ph/V/Hz 3/380~400/50/60 3/380~400/50/60 Rated capacity 197.5 Rated capacity kBtu/h 655.1 673.9 Rated power input 54.98 56.99 Cooling Max. power input 100.13 105.50 3.49 3.47 Rated current 90.79 94.12 Max. current 170.55 Rated capacity Rated capacity kBtu/h 713.11...
Page 40 Model AWAU-YDV1920-H13 AWAU-YDV1975-H13 Number of rows 2+3+3 3+3+3 Tube pitch (a)×row pitch (b) 25.4×19.05 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Clear lacquer Salt spray test duration Hour Outdoor coil INNERGROOVE TUBE Tube outside dia. and type Ф8 Ф8 (1648.2×.1168.4+1648.2×812.)*...
Page 41 Model AWAU-YDV2040-H13 Combination 24+24+24 Power supply Ph/V/Hz 3/380~400/50/60 Rated capacity Rated capacity kBtu/h 696.0 Rated power input 59.13 Cooling Max. power input 112.41 3.45 Rated current 97.65 Max. current 181.35 Rated capacity Rated capacity kBtu/h 747.23 Rated power input 58.40 Max.
Page 42 Model AWAU-YDV2040-H13 Number of rows 3+3+3 Tube pitch (a)×row pitch (b) 25.4×19.05 Fin spacing Fin type (code) Hydrophilic aluminum Fin coating type Optional Clear lacquer Outdoor coil Salt spray test duration Hour INNERGROOVE TUBE Tube outside dia. and type Ф8 Coil length×height (1648.2×1168.4+1648.2×812)*2*3 Number of circuits...
Page 43: Dimension
3. Dimension AWAU-YDV250-H13 AWAU-YDV280-H13 AWAU-YDV335-H13 AWAU-YDV400-H13 AWAU-YDV450-H13...
Page 44 AWAU-YDV504-H13 AWAU-YDV560-H13 AWAU-YDV615-H13 AWAU-YDV680-H13...
Page 45: Piping Diagram
4. Piping diagram AWAU-YDV250-H13 AWAU-YDV280-H13 AWAU-YDV335-H13 AWAU-YDV400-H13 LEVa1 Subcooled Liquid pipe coil pipe stop valve Subcooler Toci1 Tdef1 Accumulator Outdoor Tliqsc Exchanger LEVa2 Tdef2 Toci2 Tsco Subcooled coil pipe LEVb Oil segregator Tsacc HPS1 SV181 Tsuc SV11 Compressor INV1 Toil1 Gas pipe Gas-liquid stop valve...
Page 46 AWAU-YDV450-H13 AWAU-YDV504-H13 AWAU-YDV560-H13 AWAU-YDV615-H13 AWAU-YDV680-H13 LEVa1 Subcooled Liquid pipe Subcooler coil pipe stop valve Toci1 Tdef1 Accumulator Outdoor Exchanger Toci2 Tliqsc Tdef2 LEVa2 Tsco Subcooled coil pipe LEVb SV32 O/S1 O/S2 HPS1 HPS2 Tsacc SV181 SV182 Tsuc SV11 Compressor Compressor INV2 INV1 Toil1...
Page 47 Part name Sign Function Data Remark ANB42: 0.302Ω Capacity control, to meet indoor load through frequency Compressor ANB52: 0.302Ω 20℃ adjustment. ANB66: 0.23Ω Pressure switch HPs1/2 Protection control for high pressure 4.15Mpa, OFF setting In heating , compressor frequency adjustment and Pd1/Pd2 0~4.15MPa protection control for abnormal pressure...
Page 48: Wiring Diagram
5. Wiring diagram...
Page 49: Capacity Calculation Due To Capacity Modification Coefficient
6. Capacity calculation due to capacity modification coefficient (1) Calculation method of cooling capacity---Refrigerating capacity to be known=Refrigerating capacity x(AxBxCxDxExFxG) W A Capacity compensation coefficient of B Capacity compensation coefficient of outdoor indoor air wet-bulb temperature condition. air dry-bulb temperature condition. Indoor air wet-bulb temperature ●...
Page 50 D. Capacity compensation value at different piping length and drop AWAU-YDV280-H13 AWAU-YDV250-H13 ：φ12.7 Liquid AV08NMMEUA AV10NMMEUA ：φ25.4 1.00 1.00 0.95 0.95 φ Liquid ： 12.7 0.90 0.90 φ Gas ： 22.22 0.85 φ φ Liquid ： 9.52 0.85 Liquid ： 9.52 φ...
Page 51 AWAU-YDV560-H13 AWAU-YDV615-H13 AV22NMMEUA AV20NMMEUA 1.00 1.00 0.95 0.95 0.90 0.90 φ15.88 Liquid: φ15.88 Liquid: φ φ Liquid: 19.05 Liquid: 19.05 0.85 0.85 φ Gas : 28.58 φ φ Gas : 28.58 φ Gas : 31.8 Gas : 31.8 0.80 0.80 0 20 40 60 80 100 120 140 160 180 0 20 40 60 80 100 120 140 160 180 Pipe length of single way (m)
Page 52 AV36NMMEUA AWAU-YDV1010-H13 AWAU-YDV1064-H13 AV38NMMEUA 1.00 1.00 0.95 0.95 0.90 0.90 φ19.05 Liquid: φ 0.85 φ19.05 0.85 Liquid: 22.22 Liquid: φ Liquid: 22.22 φ Gas : 38.1 φ φ Gas : 38.1 Gas : 38.1 φ Gas : 38.1 0.80 0.80 Pipe length of single way (m) Pipe length of single way (m) φ...
Page 53 AWAU-YDV1010-H13 φ Liquid: 22.22 AWAU-YDV1514-H13 φ Liquid: 22.22 AV54NMMEUA AWAU-YDV1460-H13 φ Gas : 38.1 AV52NMMEUA φ Gas : 38.1 1.00 1.00 0.95 0.95 0.90 0.90 φ19.05 Liquid: φ19.05 Liquid: 0.85 0.85 φ φ Gas : 38.1 Gas : 38.1 0.80 0.80 Pipe length of single way (m) Pipe length of single way (m)
Page 54 AWAU-YDV1920-H13 φ Liquid: 22.22 AV68NMMEUA AV70NMMEUA φ Liquid: 22.22 AWAU-YDV1975-H13 φ Gas : 44.5 φ Gas : 44.5 1.00 1.00 0.95 0.95 0.90 0.90 φ22.22 Liquid: φ22.22 Liquid: 0.85 0.85 φ Gas : 44.5 φ Gas : 44.5 0.80 0.80 Pipe length of single way (m) Pipe length of single way (m) φ...
Page 55 AWAU-YDV335-H13 AWAU-YDV400-H13 AV12NMMEUA AV14NMMEUA Total capacity of running indoor unit group(%) Total capacity of running indoor unit group(%) AV18NMMEUA AWAU-YDV450-H13 AWAU-YDV504-H13 AV16NMMEUA Total capacity of running indoor unit group(%) Total capacity of running indoor unit group(%) AWAU-YDV560-H13 AWAU-YDV615-H13 Total capacity of running indoor unit group(%) Total capacity of running indoor unit group(%) AWAU-YDV680-H13 AV24NMMEUA...
Page 56 (2) Calculation method of heating capacity---Heating capacity to be known=Heating capacity x(AxBxCxDxExFxG) W A. Capacity modification value B. Capacity modification value under outdoor air under indoor air dry-bulb wet-bulb temperature condition. temperature condition. Outdoor air wet-bulb temperature C. Capacity compensation value at different piping length and drop All model 1.00 0.98...
Page 57 E. Capacity compensation suitable for total capability of indoor unit group AV08NMMEUA AWAU-YDV280-H13 AWAU-YDV250-H13 AV10NMMEUA Total capacity of running indoor unit group(%) Total capacity of running indoor unit group(%) AWAU-YDV335-H13 AWAU-YDV400-H13 AV14NMMEUA AV12NMMEUA Total capacity of running indoor unit group(%) Total capacity of running indoor unit group(%) AWAU-YDV450-H13 AWAU-YDV504-H13...
Page 58 (3) Capacity compensation value for cooling and heating F. In cooling, when the outdoor lower than the indoor, or in heating the outdoor higher than the indoor, the compensation factor use the curve value minus the following table value The vertical height difference between indoor and outdoor unit 10 m 15 m 20 m 25 m 30 m 35 m 40 m 45 m 50 m...
Page 59: Operation Range
7. Operation range...
Page 60: Noise Level
8. Noise level 1) Testing illustrate Front 2) Octave band level AWAU-YDV250-H13 AWAU-YDV280-H13 Cooling Heating Limit of Limit of audible audible continuous continuous noise noise Octave band center frequency （ Octave band center frequency （））...
Page 61 AWAU-YDV335-H13 Heating Cooling Octave band center frequency （） Octave band center frequency （） AWAU-YDV400-H13 Cooling Heating Octave band center frequency （ Octave band center frequency （）） AWAU-YDV450-H13 Cooling Heating Octave band center frequency （ Octave band center frequency （）...
Page 62 AWAU-YDV504-H13 AWAU-YDV560-H13 AWAU-YDV615-H13 Heating Cooling Octave band center frequency （） Octave band center frequency （） AWAU-YDV680-H13 Cooling Heating Octave band center frequency （ Octave band center frequency （））...
Page 63: Installation
9. Installation 9.1 Safety • Please read this installation manual carefully before installation and operation. • The mentioned precaution includes . The precaution that will avoid death or heavy Warning Attention injury by faulty installation will be listed in . Even the violation of the cautions listed in also Warning Attention...
Page 64 Warning • lease use the products specified by the company, such as air cleaner, humidifier, electric heater and other products sold separately. Besides, the installation should be performed by the retailer or professional installation institution. If the users conducting the installation have any improperness, water leakage, electric shock, fire and unit dropping will be induced and further result in injury, etc.
Page 65 Warning • f refrigerant leaks during operation, please take measures for ventilation and aeration. the refrigerant will cause poisonous gas as meeting fire. • fter installation, please confirm whether or not there is refrigerant leakage. If the refrigerant leaks indoors, it will generate poisonous gas after meeting fan heater, furnace, oven and other fire sources.
Page 66 Attention • nsure the specified space for inspection and maintenance. The insufficient space will cause dropping from installation site and further induce injury. • hen installing outdoor unit on the roof or the other high place, to prevent the person falling down, please set fixed ladder, handrail in the passage, or equip railing and handrail around the outdoor unit.
Page 67 Attention • uring operation, don't place any object on outdoor unit. If the object falls, it will be damaged or broken. • on't climb to outdoor unit. Otherwise, it will cause falling, turnover, etc, thus inducing injury. Instructions applicable to unit type with R410A refrigerant •...
Page 68: Before Installation
9.2 Before installation Before installation, check if unit type, power specification, pipe, wires and parts purchased respectively are correct. Attention • Make sure to read the manual before installation and conduct the installation accordingly. • Please refer to installation manual of indoor unit when installing it. •...
Page 69 Quantity Total capacity of indoor units Model of outdoor unit Combination type of units available for connection connected (HP) AWAU-YDV1360-H13 Combined (24HP+24HP) 3~64 24~62.4 AWAU-YDV1408-H13 Combined (14HP+18HP+18HP) 3~64 25~65 AWAU-YDV1460-H13 Combined (16HP+16HP+20HP) 3~64 26~67.6 AWAU-YDV1514-H13 Combined (16VP+18HP+20HP) 3~64 27~70.2 AWAU-YDV1570-H13 Combined (16HP+20HP+20HP) 3~64 28~72.8 AWAU-YDV1624-H13 Combined (18HP+20HP+20HP)
Page 70: Selection Of Installation Location
9.3 Installation location Please obtain user's consent for selection of installation location. Selection of installation location ○ The place without air trapping. ○ Install the unit body in the firm position. ○ The place where air inlet and air outlet is free of ventilation obstacle. ○...
Page 71 When installing single unit Installation Wall height H3 example Size Open (Facade of unit body) Open Wall height H1 1500 1500 Open Unrestricted Unrestricted Unrestricted 1,000 1,000 Unrestricted Unrestricted Unrestricted Open When installing multiple units In general, reserve at least 10mm (L5 and L6) at both sides of unit body during installation. Reference: Dimensions of all outdoor unit series (8P~24P) are 1350mm ×...
Page 72: Unit Transport And Installation
9.4 Unit transport and installation Attention When ropes are used for transporting unit, it is necessary to consider shift of gravity center of the unit. The unit may fall due to loss of stability. 1. Transport • Please determine handling route and handle the unit with package to the installation location.
Page 73 (3) Shake-proof rubber • The installed shake-proof rubber should be of the size enough to support the whole fixing feet of outdoor unit. (Please refer to the figure below.) Unit supporting foot Shake-proof rubber Warning: 1. When setting shake-proof rubber, pay attention to making the lower part of unit fixing foot touch the ground completely.
Page 74 Model Length Pipe in above figure Item L1+L2+ L3+ L4+ L5+ L6+ L7+L8+ L9+ Single way total pipe length (=total liquid pipe length) 1000m L10+L11+ L12+ L13+ L14+ L15 Single way max. pipe length (max. length between 165m L1+ L3+ L5+ L7+ L14+ L13 outdoor &...
Page 75 (2) Selection of pipe materials • Interior and exterior surfaces of pipe should be clean and free of harmful sulfide, oxide, dust, grease residue and moisture (pollutant). • Please select refrigerant pipe made of the equivalent materials as below. • Materials: phosphorous deoxidized seamless copper pipe (C1220T-O, 1/2H, JIS H3300) C1220T-1/2H in case outer diameter is above Ø19.05 while C1220T-O in case outer diameter is below Ø15.88.
Page 76 1. Pipe a (indoor-branch pipe) diameter: decided by connected indoor capacity Indoor rated Gas pipe Connecting Liquid Connecting Note capacity (x100w) methodd pipe methodd 15~28 9.52 6.35 36~56 12.7 Flared 6.35 71~140 15.88 9.52 Flared 226~300 25.4 9.52 Braze 450~600 28.58 12.7 (1) When pipe length between indoor &...
Page 77 5. Pipe e (between outdoor & gather pipe) diameter: Outdoor horse power Gas pipe Liquid pipe 19.05 9.52 10HP 22.22 9.52 12-14HP 25.4 12.7 16HP 28.58 12.7 18-24HP 28.58 15.88 Note: if the diameter between gas / liquid valve and the requied connection pipe is different, please make the variable diameter pipe for connection Since the April 17th, 2019 the factory add the reducer pipe in the accessory bag of outdoor units The specifications of the reducer as follows:...
Page 78 (4) Setting of outdoor gathering pipe Gathering pipe must be configured for outdoor combined units. (Not required in case of single unit) Outdoor unit HP Gathering pipe model Remarks 26~48 HP (2 sets) TAS20 2 corresponding modules 50~72 HP (3 sets) TAS30 3 corresponding modules Warning:...
Page 79 2. Pipe connecting position and removal direction (1) Pipe connecting position and removal direction The figure shows units with capacity below 16HP. Units with capacity above 18HP share the same pipe connecting position and removal direction only except for height. Size in [ ] is for units with capacity above 18HP.
Page 80 • As shown in the figure above, the pipe can be removed from the front, the right, the bottom and the back. • When connecting pipes on site, use a wrench to sever the semi-finished through hole on the outer plate (ø88mm or ø100mm).
Page 81 Exposed length of copper pipe when flaring pipe: B (mm) For rigid pipe (clutch-type) Outer diameter of When using the R410A When using the copper pipe special tool previous tool Ø6.35 Ø9.52 0-0.5 0.7-1.3 Ø12.7 Ø15.88 For operating valves at liquid and gas pipe sides, fix the main valve body and install as per a proper tightening torque as shown in the figure above.
Page 82 It is necessary to protect pipe ends (by welding them after squashing or wrapping them tightly with tape), to prevent entry of moisture and foreign substances. Squashing Tape Welding Please rinse pipe. During rinsing, charge nitrogen into the pipe with pressure around 0.02 MPa while blocking the pipe ends with hand until pressure rises inside the pipe.
Page 83 (E) Upon confirmation via the procedures from (A) to (D), if the pressure is low, the leakage exists. Check welding part, flaring part, etc. with foam test solution, find out leakage and repair it. Test the air- tightness again after the repair. Attention Prevent excessive pressurizing, or nitrogen may access outdoor unit.
Page 84 As R410A refrigerant is adopted for the unit, the following matters will be noted: • Use special tools of different refrigerants to avoid mixture with different kinds of oil. Especially for instrument collector and filling hose, never share tools with other refrigerants (R22, R407C, etc.). •...
Page 85 L1: Total length of Ø22.22mm liquid pipe (m); L2: Total length of Ø19.05mm liquid pipe (m); L3: Total length of Ø15.88mm liquid pipe (m); L4: Total length of Ø12.7mm liquid pipe (m); L5: Total length of Ø9.52mm liquid pipe (m); L6: Total length of Ø6.35mm liquid pipe (m);...
Page 86 Warning: Attention Record the refrigerant quantity calculated as per It is needed during machine the pipe length on the refrigerant quantity recording maintenance. board on the back of front panel. Make sure to fill it up for future use. On the back of front panel 5.
Page 87: Discharge Pipe Works
9.6 Discharge pipe works ● For the parts with drainage problems in outdoor units, please use separately sold discharge pipe and metal ring in discharge pipe construction. Electrical wiring should be conducted by construction organization recognized by electric power company. Please conduct electrical construction according to Relevant Technological Fundamentals of Electrical Equipment and Local domestic law.
Page 88: Wiring System Diagram
1. Wiring system diagram (Combined unit) Outdoor unit power supply three-phase 380V Leakage circuit Outdoor unit breaker (non-operational shock wave type) Line circuit Ground wire breaker Line circuit Indoor unit breaker Leakage circuit breaker Wired controller Indoor unit power supply single-phase 220V A: Power supply wire (main power supply wire) [5-core] (L1 / L2 / L3 / N / G) B: Signal wire (outdoor-outdoor Signal wire) [3-core] C: Signal wire (hyper connected wire) [2-core]...
Page 89 • Ground wires should be connected correctly (grounded). • Power supply wire should be connected to power supply terminal board. • When connected to the power supply terminal board, rounded compression terminal should be adopted. • Particular wire should be used for connection in wiring. And external force should not be applied on the joint during fixing.
Page 90 (4) Specifications of indoor unit power supply: single-phase 220V and 50/60Hz Cross section area Rated of signal wire Item Minimum current cross Rated current of leakage Wiring of over- Total section circuit breaker (A) length current Outdoor- Indoor- current area of Leakage current (mA) circuit indoor...
Page 91 Outdoor units are of parallel connection via three lines with polarity. The master outdoor and all indoor units are in parallel through 2 non-polar wires. There are three connecting ways between wired control and indoor units: A. One wired controller controls multiple units, as shown in the above figure, (1-5 indoor units). The indoor unit 5 is the wired control master unit (directly connected to the indoor unit of wired controller) and others are the wired control slave units.
Page 92 Note: 1) All the wires, parts and materials purchased on site should conform to the local laws and those of the host country. 2) Only copper conductor can be adopted. 3) Line circuit breaker should be installed for sake of safety. 4) All on-site wiring and devices should be in the charge of certified electricians.
Page 93: Branch Pipe Dimensions
10. Branch pipe dimensions unit:mm ID: inner diameter OD: outer diameter Liquid side Gas side connection connection of Model Gas side branch pipe Liquid side branch pipe of branch pipe branch pipe TAU335 FQG-B335A Φ9.53 Ø19.05 ID9.7 ID16.1 ID6.5 ID12.9 TAU506 FQG-B506A Φ9.52...
Page 94 Liquid side Gas side connection connection of Model Gas side branch pipe Liquid side branch pipe of branch pipe branch pipe TAU1350 Φ19.05 FQG-B1350A ID16.1 Ø28.6 ID12.9 ID9.7 ID28.8 ID6.5 ID49 Φ44.5*1.5 41.3*41.3*38.1 Φ44.5*1.5 41.3*41.3*38.1 Φ44.5*1.5 TAU2040 Φ44.5*1.5 FQG-B2040A 38.1*1.3 38.1*1.3...
Page 95: Gather Pipe Dimension
11. Gather pipe dimension Gather pipe is used for combination of outdoor unit. TAS20 (for 2 basic modules); TAS30(for 3 basic modules). Unit: mm, ID: inner diameter; OD: outer diameter. Note: Cut off the pipe from its middle when using Connection of Model Side...
Page 96: Trial Operation
12. Trial operation 12.1 Confirmation by electrifying Before the outdoor unit is powered on for the first time, the first and second bit (BM1-1, BM1-2) of dip switch code BM1 of the outdoor unit PCB board should be turned to OFF. Power supply for outdoor and indoor units should be checked according to the table below.
Page 97: Trial Operation Confirmation
12.3 Trial operation confirmation The test run confirmation, in principle, shows that all the indoor units should be confirmed one by one. The improper connection of refrigeration pipe and control wire cannot be confirmed when all the indoor units are running simultaneously.
Page 98 PCB board of indoor unit is in bad condition; Wires around the PCB board of indoor unit are broken and the insertion of socket is poor. Whether Whether there Whether Whether the fan there is AC15V is AC15V voltage another indoor is rotating in air supply voltage between between terminal B and...
Page 99 Normal Heating mode is preferred. Select non-preferred mode (cooling) or operation mode, which is different from selection way of switch setting. The abnormity of Indoor unit Indoor unit PCB board is in bad condition; Wired controller is in bad condition. Whether there PCB board in wired controller is in bad condition;...
Page 100 B. Air blower operation confirmation Start Set the operation to air supply mode, and press the operation switch. Whether there is air Check the indoor unit fan, sent out of the outlet of fan motor and air blower indoor unit circuit Whether there is Check the surrounding...
Page 101 C. Cooling operation confirmation Start Set the operation to cooling mode and hold Once stop, the outdoor down the operation switch for more than 5 unit can’t restart until 3 seconds in shutdown mode. to 5 minutes later. operation condition of the Whether the cold air is blown out compressor Whether air circulation is in good...
Page 102 D. Heating operation confirmation Start Set the operation to heating mode and hold Once stop, the outdoor down the operation switch for more than 5 unit can't restart until 3 seconds in shutdown mode. to 5 minutes later. operation condition of the Whether the warm air is blown out compressor Whether the air circulation is in...
Page 103 (Note 1)The general standard for temperature difference between inlet and outlet air In "cooling" operation, it is normal that the dry bulb temperature difference between inlet air and outlet air of the air conditioner is over 10°C (at the maximum frequency) after 30 minutes at least. In "heating"...
Page 104 1. Connecting methods of device: Position of inserting test device (CN31) Insert one end of data line into the terminal of main PCB CN31 with a two-core terminal, one end connects with 485 device or Gangda device, the other end of the device connects computer. 2.
Page 105: Outdoor Control Board Photo
13. Outdoor control board photo Outdoor PCB (MHW505A021) photo MSG1 MSG2 BM1, BM2 BM3, BM4 LED2 LED1, LED3 SW9, SW10, SW11...
Page 106 Power module (MHW555D002 and MHW555D001) Note: 1. Power module MHW555D002 match with power module driver board MHW505A022 control the compressor ANB66F 2. Power module MHW555D001 match with power module driver board MHW505A020 control the compressor ANB52F and ANB42F...
Page 107 Power module driver board (MHW505A022 and MHW505A020)
Page 108 Filter board (MHW505A012)
Page 109: Outdoor Pcb Dip Switch Setting
14. Outdoor PCB dip switch setting SW09 SW10 SW11 SMG1 SMG2 SW1 SW2 LED light definition: • LED1: communication lamp among outdoor units. The lamp flicker frequency is 0.5s/time under normal condition; once occurs the communication faulty, the lamp flicker frequency is 1s/time. •...
Page 110 Definition Introduction Begin to search outdoor Outdoor searching BM1_1 after startup Stop searching outdoor and lock the quantity Begin to search indoor Indoor searching BM1_2 after startup Stop searching indoor and lock the quantity Power on, no Default: unit shall startup after 6 hours preheat or oil temp. action reaches the target value BM1_3 Start up...
Page 111 Definition Introduction BM3_1 The type of outdoor BM3_2 Default (Flow Logic III T1 380V outdoor unit) unit BM3_3 BM3-4 Inverter board type Default BM3_5 BM3_6 BM3_7 BM3_8 10HP 12HP BM3_5 14HP BM3_6 HP setting of BM3_7 outdoor units 16HP BM3_8 18HP 20HP 22HP...
Page 112: Monitor Tools
Monitor tools According to the dip switch code comparison table of outside unit, adjust SW9, SW10 and SW11 and observe operation parameters of the unit, and then record the parameters in the form of operation and commissioning. The displayed contents are defined as follows: •...
Page 113 2) Outdoor unit parameters observation It is parameter observation of outdoor unit when SW11 range is 0, 1, and 15; 0~3 of SW9 is used to select outdoor unit number, 0 represents the main unit and 1 represents No. 1 sub-unit; SW10 indicates parameter description of outdoor unit.
Page 114 SW10 SW11 Functions Digital tube SMG1 and SMG2 display Current frequency of • Press SW2(UP) for 2s continuously, display 1111, then to set: inverter compressor flashing and press SW2 (UP) once, the frequency will go up 1 INV1 Hz; press SW1 (DOWN) once, the frequency will decrease 1 Hz.
Page 115 SW10 SW11 Functions Digital tube SMG1 and SMG2 display Pressure of Pd1 Pressure of Pd2 Unit: kg, 2 decimals Pressure of Ps Discharge temperature of Td1 Discharge temperature of Td2 Defrosting temperature of Tdef1 Defrosting temperature of Tdef2 Temperature of Toil1 (unit Temperature of Toil2 No.)
Page 116 It is used to view data in EE when SW9 is 12 and 13. SW10 SW11 Functions Digital tube SMG1 and SMG2 display EE data of 000H address EE data of 001H address … … … Display the first 256-byte data in EE of local unit EE data of 00FH address Address calculation: addr = SW10 ×...
Page 117 SW10 SW11 Function Operation methods • Press SW2 (UP) for 2s continuously, display 1111 and start up; digital tube displays “YES”. Refrigerant charging setting ■ Specific action: LEVa1 and 2 open for 470 *only for gas charged outdoor. If indoor Pls, the other valves close is charged, do not set.
Page 118 Dip switch setting condition of PCB board is displayed when SW9 is 15. SW10 SW11 Functions Operation methods Hexadecimal display, BM1: indicating by LED1 Setting condition of BM1 and BM2 and LD2, BM2: indicating by LED3 and LED4 Hexadecimal display, BM3: indicating by LED1 Setting condition of BM3 and BM4 and LED2, BM4: indicating by LED3 and LED4 0 indicates that the pipe is short;...
Page 119 Outdoor unit valve manual control SW10 SW11 Functions Operation methods • Press SW2 (UP) for 2s continuously, display 1111, then to quit, or press SW1 (DOWN) for 2s continuously, display 0000, then quit the set. • Cancel items: Cancel all the manual controls Movable component control by hand such as (component type) compressor, motor, electronic expansion valve...
Page 120: Outdoor System Control Function
15. Outdoor system control function 15.1 Compressor control 1.1.1 Cycle start function of compressor (1) According to different load of indoor unit, determine the starting number of compressors and outdoor unit (2) If there is only 1 outdoor unit with 2 compressors, shift the priority of compressor 1 and 2 every 4 hours. (3) If there are several outdoor units, the priority of these outdoor units shall be shifted every 8 hours.
Page 121 15.2 Fan control Control of Flow Logic III series DC motor The air supply speed of outdoor unit can be set from speed 0 to 15 in accordance with the operating mode. The operating is commonly at speed 1 - 16, and it is CVT (Continuously Variable Transmission) control between speed 1 and 15.
Page 122 15.13 Module radiator temperature protection control When the radiator temperature Tfin ≥ the limit temperature value, according to Tfin=limit temperature value to control the frequency limit of the INV compressor. 15.14 Compression ratio protection control (1) When the compression ratio ε ≥ limit value, the compressor speed limit control is performed according to the target of ε=limit value;...
Page 123 15.19 Anti-snow outdoor fan control (1) In winter, in order to prevent the fan part from being covered with snow, the fans of the outdoor unit are blown to disperse the snow at regular intervals during the stop. (2) The master and slave unit independently control fan (3) This function is set by outdoor dip switch BM2-2.
Page 124: Failure Code
16. Failure code Indication Master unit Failure code Failure description Remarks on wired digital tube controller definition display (hex) Defrosting temp. 20-0 sensor Tdef1 AD value is below 11 (open circuit) or over failure 1012 (short circuit) for 60 seconds, sensor has Resumable Defrosting temp.
Page 125 Indication Master unit Failure code on wired digital tube Failure description Remarks controller definition display (hex) Oil temp. too high Toili ≥120℃（E）at interval 25msec, 27-0 protection continuous 2 times, and over the set Once value, then stop and alarm. The oil temp. （ToiL1）...
Page 126 Indication Master unit Indication on on wired digital tube wired controller Failure description Remarks controller display (hex) (hex) After the 4-way valve is electrified for 3 minunts, if the below conditions can be met for continuous 10 seconds, that is conversing successfully: ・＆...
Page 127 Indication Master unit Failure code on wired digital tube Failure description Remarks controller definition display (hex) High pressure After compressor is running, if 40-0 sensor Pd1 too Pd≥4.15MPa, stop and alarm.170 Once high protection seconds later, resume automatically. If confirmed, un- High pressure it occurs 4 times in an hour, confirm the resumable...
Page 128 Indication Master unit Failure code on wired digital tube Failure description Remarks controller definition display (hex) No pressure drop n 1 minute after INV compressor starts up, Once between high Pd-Ps≤0.1MPa,then stop. 170 seconds 75-0 confirmed, un- pressure and low later, resume automatically.
Page 129 Indication Master unit on wired digital tube Failure code definition Failure description Remarks controller display (hex) The program self-checking 99-X X=0~5 Resumable fault 110-0 Module 1 over current Module hardware over current 110-1 Module 2 over current In the course of compressor startup 111-0 Compressor 1 out of control or running, the unit can not detect...
Page 130 Indication Master unit on wired digital tube Failure code definition Failure description Remarks controller display (hex) Power supply of inverter 121-0 controller 1 board is abnor- f it occurs Power supply of inverter controller 4 times in Power supply of inverter board is broken down instantly.
Page 131: Troubleshooting
17. Troubleshooting Failure code LED5 Failure description: Outdoor Indoor unit LED status Defrosting temperature sensors: digital Tdef1 and Tdef2 failure 20 times display tube: 20-0,1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 132 Failure code LED5 Failure description: Outdoor Indoor unit LED status Ambient temperature sensor: digital 20 times Tao failure display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 133 LED5 Failure description: Failure code Indoor unit LED status Suction temperature sensor: Outdoor Ts1, Ts2, Tsacc and Tsuc failure digital 20 times display tube: 22-0, 1, 2, 3 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting...
Page 134 FFailure LED5 Failure description: code Indoor unit LED status Discharging temperature sensor: Outdoor 20 times Td1and Td2 failure digital display tube: LED1 LED2 23-0,1 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 135 Failure code LED5 Failure description: Outdoor Indoor unit LED status Oil temperature sensor: Toilp, Toil1 and Toil2 failure digital display 20 times tube: 24-0, 1, 2 Indoor wired LED1 LED2 controller: Outdoor unit LED status Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 136 Failure code LED5 Failure description: Outdoor Indoor unit LED status Heat exchanger inlet temperature: digital 20 times Toci1 and Toci2 failure display tube: 25-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 137 Failure code LED5 Failure description: Outdoor Indoor unit LED status Communication between indoor unit and digital outdoor unit failure 20 times display tube: 26-0, 1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 138 Failure code LED5 Failure description: Outdoor Indoor unit LED status Outdoor compressor oil temperature too digital 20 times high failure(Toil1 and Toil2) display tube: 27-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 139 Failure code LED5 Failure description: Outdoor Indoor unit LED status High pressure sensor disconnection failure digital 20 times display tube: 28-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 140 Failure code LED5 Failure description: Outdoor Indoor unit LED status Low pressure sensor disconnection failure digital 20 times display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 141 Failure code LED5 Failure description: Outdoor Indoor unit LED status High pressure switch disconnection failure digital 20 times display tube: 30-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series Check if the corresponding connector...
Page 142 Failure code LED5 Failure description: Outdoor Indoor unit LED status P1 pressure sensor disconnection failure digital 20 times display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 143 FFailure LED5 Failure description: code Indoor unit LED status Defrosting temperature sensor failure: Outdoor Tsco and Tliqsc 20 times digital display tube: LED1 LED2 32-0, 1 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 144 LED5 Failure description: Failure code Indoor unit LED status EEPROM(AT24C04) failure Outdoor 20 times digital display tube: 33-0, 1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: 21 Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 145 Failure code LED5 Failure description: Outdoor Indoor unit LED status Outdoor compressor discharging digital temperature (Td1, Td2).too high failure 20 times display tube: 34-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 146 Failure code LED5 Failure description: Outdoor Indoor unit LED status 35-0, 1 four-way valve reversing failure digital 20 times display tube: 35-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series Check if the difference between...
Page 147 Failure code LED5 Failure description: Outdoor Indoor unit LED status Outdoor compressor oil temperature (Toil1, digital Toil2) too low failure 20 times display tube: 36-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 148 Failure code LED5 Failure description: Outdoor Indoor unit LED status Three-phase power supply S-phase loss digital 20 times display tube: 37-1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 149 Failure code LED5 Failure description: Outdoor Indoor unit LED status Low-pressure too low failure digital 20 times display tube: 39-0 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series Check if the low pressure of system is below 0.05MPa 2.
Page 150 Failure code LED5 Failure description: Outdoor Indoor unit LED status The unit compression ratio too high failure digital 20 times display tube: 39-1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 151 Failure code LED5 Failure description: Outdoor Indoor unit LED status The unit compression ratio too low failure digital 20 times display tube: 39-2, 3 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 152 Failure code LED5 Failure description: Outdoor Indoor unit LED status High pressure too high failure digital 20 times display tube: 40-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series Replace it correctly by after- Check if the voltage characteristic of the...
Page 153 Failure code LED5 Failure description: Outdoor Indoor unit LED status Outdoor unit compressor discharging digital temperature (Td1, Td2).too low failure 20 times display tube: 43-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 154 Failure code LED5 Failure description: Outdoor Indoor unit LED status Communications between outdoor units digital 20 times failure. display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series Check if the communication wire Replace it correctly by after- between the outdoor units is normal.
Page 155 Failure code LED5 Failure description: Outdoor Indoor unit LED status Communication with INV1 and INV2 module digital board failure 20 times display tube: 46-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 156 Failure code LED5 Failure description: Outdoor Indoor unit LED status Fan motor 1 blocked (left fan) digital 20 times Fan motor 2 blocked (right fan) display tube: 71-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1.
Page 157 Failure code LED5 Failure description: Outdoor Indoor unit LED status Fan motor 1 reverse rotation (left fan) digital Fan motor 2 reverse rotation (right fan) 20 times display tube: 72-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1.
Page 158 Failure code LED5 Failure description: Outdoor Indoor unit LED status Fan motor 1 overcurrent (left fan) digital 20 times Fan motor 2 overcurrent (right fan) display tube: 73-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1.
Page 159 Failure code LED5 Failure description: Outdoor Indoor unit LED status Emergency stop function switch failure digital 20 times display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting The outdoor PCB add the funciton of emergency stop (for new PCB CN19 is this Flow Logic III series function terminal and for old PCB CN9 is this function terminal) , the logic of the 2.
Page 160 Failure code LED5 Failure description: Outdoor Indoor unit LED status Pressure difference between high and low digital pressure too low failure 20 times display tube: 75-0, 4 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting...
Page 161 Failure code LED5 Failure description: Outdoor Indoor unit LED status Incorrect settings of quantity, address or digital power input for outdoor unit 20 times display tube: 76-0, 1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1.
Page 162 Failure code LED5 Failure description: Outdoor Indoor unit LED status Oil balancing protection failure between digital 20 times outdoor units display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series Turn on or off the SV9/SV10,...
Page 163 Failure code LED5 Failure description: Outdoor Indoor unit LED status Cooling/heating lack of refrigerant alarm digital 20 times display tube: 78-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 164 Failure code LED5 Failure description: Outdoor Indoor unit LED status Operation protection of incorrect wiring. digital 20 times display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series 2.
Page 165 Failure code LED5 Failure description: Outdoor Indoor unit LED status The HP difference between outdoor units in digital one system is above 4. 20 times display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting...
Page 166 Failure code LED5 Failure description: Outdoor Indoor unit LED status Overcurrent of module 1 and 2 digital 20 times display tube: 110-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 167 Failure code LED5 Failure description: Outdoor Indoor unit LED status Overcurrent of module 1 and 2 digital 20 times display tube: 111-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 168 Failure code LED5 Failure description: Outdoor Indoor unit LED status Radiator temperature of module 1 and 2 is digital 20 times too high. display tube: 112-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting...
Page 169 Failure code LED5 Failure description: Outdoor Indoor unit LED status Overload of module 1 and 2 digital 20 times display tube: 113-0,1 LED1 LED2 Indoor wired Outdoor unit LED status controller: 71 Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 170 Failure code LED5 Failure description: Outdoor Indoor unit LED status DC under voltage of module 1 and 2 digital 20 times display tube: 114-0,1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 171 Failure code LED5 Failure description: Outdoor Indoor unit LED status DC over-voltage of module 1 and 2 digital 20 times display tube: 115-0,1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 172 Failure code LED5 Failure description: Outdoor Indoor unit LED status Communication failure of module 1 and 2 digital 20 times display tube: 116-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 173 Failure code LED5 Failure description: Outdoor Indoor unit LED status Software overcurrent of module 1 and 2 digital 20 times display tube: 117-0,1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 174 Failure code LED5 Failure description: Outdoor Indoor unit LED status Start failure of module 1 and 2 digital 20 times display tube: 118-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 175 Failure code LED5 Failure description: Outdoor Indoor unit LED status The current detection of inverter control board 1 and 2 is abnormal digital 20 times display tube: 119-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller77 Normal Normal 1.
Page 176 Failure code LED5 Failure description: Outdoor Indoor unit LED status The current detection of inverter control digital 20 times board 1 and 2 is abnormal display tube: 119-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller77 Normal Normal 1.
Page 177 Continued LED5 Failure description: Failure code Indoor unit LED status The current detection of inverter control Outdoor digital board 1 and 2 is abnormal 20 times display tube: 119-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller77 Normal Normal 1.
Page 178 Failure code LED5 Failure description: Outdoor Indoor unit LED status Abnormal power supply of the inverter digital display 20 times control board 1 and 2 tube: 120, 121-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: 78, Normal Normal 1.
Page 179 Failure code LED5 Failure description: Outdoor Indoor unit LED status The temperature sensors of radiator of inverter control board 1 and 2 are abnormal digital 20 times display tube: 122-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: 7A Normal Normal 1.
Page 180 Failure code LED5 Failure description: Outdoor Indoor unit LED status The frequency of compressor 1 and 2 don’t digital 20 times match display tube: 125-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting Flow Logic III series...
Page 181 Failure code LED5 Failure description: Outdoor Indoor unit LED status Overload standby/ heating standby at 26℃ / low pressure (lack of refrigerant) standby/ digital display 20 times tube: 555.0, 1, cooling standby at 54°C 2, 3 LED1 LED2 Indoor wired Outdoor unit LED status controller: / Normal...
Page 182: Sensor Resistance Table
18. Sensor Resistance Table Model Name Code Characteristic Suction temp. sensor R25=10KΩ±3%， MHW551A022 （Ts、Ts1、Ts2、 B25/50=3700K±3% Tsco） Indoor coil temp. sensor（Tdef1、 R25=10KΩ±3%， MHW551A026 AWAU-YDV250-H13 Tdef2、Toci1、Toci2、 B25/50=3700K±3% AWAU-YDV280-H13 Tliqsc） AWAU-YDV335-H13 AWAU-YDV400-H13 Outdoor ambient temp. R25=10KΩ±3%， AWAU-YDV450-H13 MHW551A025 sensor（Tao） B25/50=3700K±3% AWAU-YDV504-H13 AWAU-YDV560-H13 Discharging temp. \ oil AWAU-YDV615-H13 temp.
Page 183 R80=50kΩ±3% B25/80=4450K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 1749.014 1921.993 2094.972 1651.431 1813.265 1975.099 8.93 8.93 1560.165 1711.646 1863.127 8.85 8.85 1474.737 1616.593 1758.449 8.78 8.78 1394.709 1527.611 1660.513 1319.683 1444.25 1568.817 8.63...
Page 184 R80=50kΩ±3% B25/80=4450K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 272.329 290.407 308.485 6.23 6.23 260.427 277.493 294.559 6.15 6.15 249.104 265.216 281.328 6.08 6.08 238.329 253.541 268.753 228.073 242.437 256.801 5.93 5.93 218.308 231.873...
Page 185 R80=50kΩ±3% B25/80=4450K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 64.988 67.415 69.842 62.613 64.901 67.189 3.53 3.53 60.337 62.493 64.649 3.45 3.45 58.154 60.185 62.216 3.38 3.38 56.06 57.973 59.886 54.051 55.852 57.653 3.23...
Page 186 R80=50kΩ±3% B25/80=4450K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 20.067 21.049 22.031 4.67 4.67 19.408 20.372 21.336 4.73 4.73 18.773 19.72 20.667 18.162 19.091 20.02 4.87 4.87 17.573 18.485 19.397 4.93 4.93 17.005 17.9...
Page 187 R25=10kΩ±3% B25/50=3700K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 145.819 135.018 124.217 138.071 129.126 120.181 6.93 6.93 131.793 123.339 114.885 6.85 6.85 125.665 117.684 109.703 6.78 6.78 119.706 112.18 104.654 6.71 6.71 113.933 106.843...
Page 188 R25=10kΩ±3% B25/50=3700K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 24.742 23.687 22.632 4.45 4.45 23.61 22.619 21.628 4.38 4.38 22.538 21.607 20.676 4.31 4.31 21.522 20.647 19.772 4.24 4.24 20.559 19.737 18.915 4.16 4.16...
Page 189 R25=10kΩ±3% B25/50=3700K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 5.36 5.151 4.942 4.06 4.06 5.166 4.961 4.756 4.13 4.13 4.978 4.778 4.578 4.19 4.19 4.799 4.603 4.407 4.25 4.25 4.625 4.434 4.243 4.31 4.31...
Page 190 R25=10kΩ±3% B25/50=3700K±3% Temp Resistance (kΩ) % (Resist. Tol) (°C) Rmax R (t) Normal Rmin MAX (+) MIN (-) 1.676 1.578 1.48 6.19 6.19 1.626 1.53 1.434 6.25 6.25 1.578 1.484 1.39 6.31 6.31 1.531 1.439 1.347 6.38 6.38 1.486 1.396 1.306 6.44 6.44...
Page 191 R50=17KΩ±2% B25/50=4170K±3% Temp （℃） Rmin R（t）Normal Rmax Temp （℃） Rmin R（t）Normal Rmax 164.73 176.38 187.00 53.00 14.73 15.07 15.41 156.21 167.10 177.02 54.00 14.14 14.48 14.82 148.19 158.36 167.64 55.00 13.58 13.93 14.26 140.63 150.13 158.81 56.00 13.05 13.39 13.72 133.50 142.38 150.49...
Page 192: Fan Motor Installation And Detection Standard
19. Fan motor installation and detection standard Power supply terminal for right fan motor DCFAN1 DCFAN2 CNA1 CNA2 CN55 CN56 Communication Communication Power supply terminal for left terminal for terminal for left fan motor right fan motor fan motor Left fan Right fan motor motor...
Page 193 Fan motor code: MHW512T001 RED(Vm) BLK(Gnd) WHI(Vcc) YEL(Vsp) ORA(REV) BLU(FG) GRE(OVERC) BLK(Gnd) Expected readings of control PWB VDC outputs to Expected readings of DC fan motor circuit board resistances DCFM Multi meter test points for VDC Multi meter test points for Ω Multimeter Multimeter Multimeter...
Page 194 Consult with the sales agency or manufacturer for details. ATTENTION : Le design et les données techniques sont donnés à titre indicatif et peuvent être modifiés sans préavis. AIRWELL RESIDENTIAL SAS 10,Rue du Fort de Saint Cyr, 78180 Montigny le Bretonneux- France www.airwell-res.com...

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