Haier MRV 5-RC VP1-112B Service Manual
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Haier MRV 5-RC VP1-112B Service Manual

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MRV 5-RC Service Manual
SYJS-03-2019REV.A
Edition: 2019-03
Table of Contents
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Summary of Contents for Haier MRV 5-RC VP1-112B

  • Page 1 MRV 5-RC Service Manual SYJS-03-2019REV.A Edition: 2019-03...

  • Page 2: Table Of Contents

    CONTENTS Part 1 . Outdoor Unit........................1 1. General Information .......................1 1.1. Feature ..........................1 1.2. Products lineup ........................3 2. Specification ...........................8 3. Dimension ...........................50 4. Center of gravity ........................52 5. Piping diagram ........................54 6. Wiring diagram ........................57 7. Capacity calculation due to capacity modification coefficient ..........58 8.

  • Page 4: Part 1 . Outdoor Unit

    Part 1 . Outdoor Unit 1. General Information 1.1. Feature System Introduction Typical 3 pipe system Office Heating indoor Lounge Cooling units room indoor units Office Meeting room What is MRV 5-RC • Cooling and heating simultaneously with only one outdoor unit •Heat recovery system 2-pipe system 3-pipe system...
  • Page 5 Variable operation mode in one system High pressure gas pipe Suction gas pipe Liquid pipe Refrigerant pipe not flow Cooling&Heating Heating Heating Heating Stop Cooling Cooling Cooling Outdoor Structure Vp (valve pipe) box structure overview Overview •Specially designed for MRV 5-RC, greatly reduced the volume •Individual Valve + Pipe Box for Heat Recovery •Threaded joint connection, easy for installation Max.capacity...

  • Page 6: Products Lineup

    1.2. Products lineup Outdoor units Power supply Appearance Model Capacity(kW) Refrigerant (Ph, V, Hz) AV08IMVURA 22.4 AV10IMVURA AV12IMVURA 33.5 AV14IMVURA AV16IMVURA AV18IMVURA AV20IMVURA AV22IMVURA AV24IMVURA AV26IMVURA 73.5 AV28IMVURA 3Ph,380-415V, R410A 50/60Hz AV30IMVURA AV32IMVURA AV34IMVURA AV36IMVURA AV38IMVURA AV40IMVURA AV42IMVURA AV44IMVURA AV46IMVURA...
  • Page 7 Power supply Appearance Model Capacity(kW) Refrigerant (Ph, V, Hz) AV48IMVURA AV50IMVURA AV52IMVURA AV54IMVURA AV56IMVURA AV58IMVURA AV60IMVURA AV62IMVURA AV64IMVURA AV66IMVURA 3Ph,380-415V, AV68IMVURA R410A 50/60Hz AV70IMVURA AV72IMVURA AV74IMVURA AV76IMVURA AV78IMVURA AV80IMVURA AV82IMVURA AV84IMVURA AV86IMVURA AV88IMVURA...
  • Page 8 Indoor units 4-WAY CASSETTE TYPE/PB-700lB ROUND-WAY SMART AIR FLOW CASSETTE/ PB- AB052MCERA 950KB AB072MCERA AB072MRERA AB092MCERA AB092MRERA AB122MCERA AB122MRERA AB162MCERA AB162MRERA AB182MCERA(C) AB182MRERA AB242MRERA 4-WAY CASSETTE TYPE/PB-950JB AB282MRERA AB182MCERA AB242MCERA AB302MRERA AB282MCERA AB382MRERA AB482MRERA AB302MCERA AB602MRERA AB382MCERA AB482MCERA MINI 4-WAY CASSETTE TYPE/PB-620KB ONE WAY CASSETTE TYPE/P1B-1050IB AB052MCERA(M) AB052MAERA...
  • Page 9 MED ESP DUCT TYPE (80/120Pa) MED ESP DUCT TYPE (50/96Pa) AD182MZERA AD182MMERA AD242MZERA AD242MMERA AD282MZERA AD282MMERA AD302MNERA AD302MMERA AD382MNERA AD382MMERA AD482MNERA AD482MMERA MED ESP DUCT TYPE (50/100Pa) CONSTANT AIR VOLUME DUCT TYPE AD052MJERA AD072MQERA AD072MJERA AD092MQERA AD092MJERA AD122MQERA AD122MJERA AD152MQERA AD162MJERA AD182MQERA AD182MJERA...
  • Page 10 CONSOLE EK HIGH WALL AF052MAERA AS072MGERA AF072MAERA AS092MGERA AF092MAERA AS122MGERA AF122MAERA AS162MGERA AF182MAERA AS182MGERA AS242MGERA N HIGH WALL AS052MNERA AS052MFERA AS072MNERA AS072MFERA AS092MNERA AS092MFERA AS122MNERA AS122MFERA AS162MNERA AS162MFERA AS182MNERA AS182MFERA AS242MNERA AS242MFERA AS282MNERA AS302MNERA NEW CONSOLE AF052MBERA AF072MBERA AF092MBERA AF122MBERA AF182MBERA Note: The indoor unit connected to MRV5-RC must be the new indoor manufactured after January 1, 2019 (the PCB is upgraded program)

  • Page 11: Specification

    2. Specification Model AV08IMVURA AV10IMVURA Combination Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 22.4 Rated capacity kBtu/h 76.43 95.54 Rated power input 5.09 6.95 Max. power input 12.80 13.80 Cooling Rated current 8.41 11.47 Max. current 21.14 22.79 4.40 4.03 SEER 6.23 6.32...
  • Page 12 Model AV08IMVURA AV10IMVURA Brand Guo En Guo En Model Material ABS+20%GF ABS+20%GF Outdoor fan Type Axial Axial Diameter Φ700 Φ700 Height Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type Optional Clear lacquer...
  • Page 13 Model AV12IMVURA AV14IMVURA Combination Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 33.5 Rated capacity kBtu/h 114.30 136.48 Rated power input 8.63 11.17 Max. power input 18.20 19.20 Cooling Rated current 14.26 18.45 Max. current 30.06 31.71 3.88 3.58 SEER 6.17 6.12 Rated capacity 37.5...
  • Page 14 Model AV12IMVURA AV14IMVURA Brand Guo En Guo En Model Outdoor Material ABS+20%GF ABS+20%GF Type Axial Axial Diameter Φ700 Φ700 Height Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Outdoor Fin Coating Type Optional...
  • Page 15 Model AV16IMVURA AV18IMVURA Combination Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity Rated capacity kBtu/h 153.54 170.60 Rated power input 12.68 14.75 Max. power input 25.10 28.50 Cooling Rated current 20.93 24.36 Max. current 41.45 47.07 3.55 3.39 SEER 6.02 5.92 Rated capacity Rated capacity kBtu/h...
  • Page 16 Model AV16IMVURA AV18IMVURA Brand Tian Da Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor fan Type Axial Axial Diameter Φ642 Φ642 Height Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type Optional Clear lacquer...
  • Page 17 Model AV20IMVURA AV22IMVURA Combination Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity Rated capacity kBtu/h 191.07 214.96 Rated power input 16.92 19.57 Max. power input 32.00 33.00 Cooling Rated current 27.94 32.31 Max. current 52.85 54.50 3.31 3.22 SEER 5.71 5.63 Rated capacity Rated capacity kBtu/h...
  • Page 18 Model AV20IMVURA AV22IMVURA Brand Tian Da Tian Da Model Outdoor Material ABS+20%GF ABS+20%GF Type Axial Axial Diameter Φ642 Φ642 Height Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Outdoor Fin Coating Type Optional...
  • Page 19 Model AV24IMVURA AV26IMVURA Combination 12+12 12+14 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 67.0 73.5 Rated capacity kBtu/h 228.60 250.78 Rated power input 17.27 19.81 Max. power input 36.40 37.40 Cooling Rated current 28.52 32.71 Max. current 60.11 61.77 3.88 3.71 SEER 6.14...
  • Page 20 Model AV24IMVURA AV26IMVURA Brand Guo En+Guo En Guo En+Guo En Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ700+Φ700 Φ700+Φ700 Height 204+204 204+204 Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 21 Model AV28IMVURA AV30IMVURA Combination 14+14 14+16 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 80.0 85.0 Rated capacity kBtu/h 272.96 290.02 Rated power input 22.35 23.85 Max. power input 38.40 44.30 Cooling Rated current 36.91 39.39 Max. current 63.42 73.16 3.58 3.56 SEER 6.10...
  • Page 22 Model AV28IMVURA AV30IMVURA Brand Guo En+Guo En Guo En+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ700+Φ700 Φ700+Φ642 Height 204+204 204+198 Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 23 Model AV32IMVURA AV34IMVURA Combination 16+16 16+18 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 90.0 95.0 Rated capacity kBtu/h 307.08 324.14 Rated power input 25.35 27.43 Max. power input 50.20 53.60 Cooling Rated current 41.87 45.29 Max. current 82.91 88.52 3.55 3.46 SEER 6.00...
  • Page 24 Model AV32IMVURA AV34IMVURA Brand Tian Da+Tian Da Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642 Φ642+Φ642 Height 198+198 198+198 Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 25 Model AV36IMVURA AV38IMVURA Combination 18+18 18+20 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 100.0 106.0 Rated capacity kBtu/h 341.20 361.67 Rated power input 29.50 31.67 Max. power input 57.00 60.50 Cooling Rated current 48.72 52.30 Max. current 94.14 99.92 3.39 3.35 SEER 5.91...
  • Page 26 Model AV36IMVURA AV38IMVURA Brand Tian Da+Tian Da Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642 Φ642+Φ642 Height 198+198 198+198 Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 27 Model AV40IMVURA AV42IMVURA Combination 20+20 20+22 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 112.0 119.0 Rated capacity kBtu/h 382.14 406.03 Rated power input 33.84 36.48 Max. power input 64.00 65.00 Cooling Rated current 55.88 60.25 Max. current 105.70 107.35 3.31 3.26 SEER 5.71...
  • Page 28 Model AV40IMVURA AV42IMVURA Brand Tian Da+Tian Da Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642 Φ642+Φ642 Height 198+198 198+198 Number of rows Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 29 Model AV44IMVURA AV46IMVURA Combination 22+22 14+16+16 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 126.0 130.0 Rated capacity kBtu/h 429.91 443.56 Rated power input 39.13 36.53 Max. power input 66.00 69.40 Cooling Rated current 64.62 60.32 Max. current 109.00 114.61 3.22 3.56 SEER 5.63...
  • Page 30 Model AV44IMVURA AV46IMVURA Brand Tian Da+Tian Da Guo En+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642 Φ700+Φ642+Φ642 Height 198+198 204+198+198 Number of rows 3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 31 Model AV48IMVURA AV50IMVURA Combination 16+16+16 16+16+18 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 135.0 140.0 Rated capacity kBtu/h 460.62 477.68 Rated power input 38.03 40.10 Max. power input 75.30 78.70 Cooling Rated current 62.80 66.23 Max. current 124.36 129.97 3.55 3.49 SEER 6.00...
  • Page 32 AV48IMVURA AV50IMVURA Model Brand Tian Da+Tian Da+Tian Da Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642+Φ642 Φ642+Φ642+Φ642 Height 198+198+198 198+198+198 Number of rows 3+3+3 3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum...
  • Page 33 Model AV52IMVURA AV54IMVURA Combination 16+18+18 18+18+18 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 145.0 150.0 Rated capacity kBtu/h 494.74 511.80 Rated power input 42.17 44.25 Max. power input 82.10 85.50 Cooling Rated current 69.65 73.08 Max. current 135.59 141.20 3.44 3.39 SEER 5.93...
  • Page 34 AV52IMVURA AV54IMVURA Model Brand Tian Da+Tian Da+Tian Da Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642+Φ642 Φ642+Φ642+Φ642 Height 198+198+198 198+198+198 Number of rows 3+3+3 3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum...
  • Page 35 Model AV56IMVURA AV58IMVURA Combination 18+18+20 18+20+20 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 156.0 162.0 Rated capacity kBtu/h 532.27 552.74 Rated power input 46.42 48.59 Max. power input 89.00 92.50 Cooling Rated current 76.66 80.24 Max. current 146.98 152.76 3.36 3.33 SEER 5.83...
  • Page 36 AV56IMVURA AV58IMVURA Model Brand Tian Da+Tian Da+Tian Da Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642+Φ642 Φ642+Φ642+Φ642 Height 198+198+198 198+198+198 Number of rows 3+3+3 3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum...
  • Page 37 Model AV60IMVURA AV62IMVURA Combination 20+20+20 20+20+22 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 168.0 175.0 Rated capacity kBtu/h 573.22 597.10 Rated power input 50.76 53.40 Max. power input 96.00 97.00 Cooling Rated current 83.82 88.19 Max. current 158.54 160.20 3.31 3.28 SEER 5.71...
  • Page 38 AV60IMVURA AV62IMVURA Model Brand Tian Da+Tian Da+Tian Da Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642+Φ642 Φ642+Φ642+Φ642 Height 198+198+198 198+198+198 Number of rows 3+3+3 3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum...
  • Page 39 Model AV64IMVURA AV66IMVURA Combination 20+22+22 22+22+22 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 182.0 189.0 Rated capacity kBtu/h 620.98 644.87 Rated power input 56.05 58.70 Max. power input 98.00 99.00 Cooling Rated current 92.57 96.94 Max. current 161.85 163.50 3.25 3.22 SEER 5.66...
  • Page 40 AV64IMVURA AV66IMVURA Model Brand Tian Da+Tian Da+Tian Da Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642+Φ642 Φ642+Φ642+Φ642 Height 198+198+198 198+198+198 Number of rows 3+3+3 3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum...
  • Page 41 Model AV68IMVURA AV70IMVURA Combination 16+16+18+18 16+18+18+18 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 190.0 195.0 Rated capacity kBtu/h 648.28 665.34 Rated power input 54.85 56.92 Max. power input 107.20 110.60 Cooling Rated current 90.59 94.01 Max. current 177.04 182.66 3.46 3.43 SEER 5.95...
  • Page 42 AV68IMVURA AV70IMVURA Model Brand Tian Da+Tian Da+Tian Da+Tian Da Tian Da+Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642+Φ642+Φ642 Φ642+Φ642+Φ642+Φ642 Height 198+198+198+198 198+198+198+198 Number of rows 3+3+3+3 3+3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code)
  • Page 43 Model AV72IMVURA AV74IMVURA Combination 18+18+18+18 18+18+18+20 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 200.0 206.0 Rated capacity kBtu/h 682.40 702.87 Rated power input 59.00 61.17 Max. power input 114.00 117.50 Cooling Rated current 97.43 101.02 Max. current 188.27 194.05 3.39 3.37 SEER 5.91...
  • Page 44 AV72IMVURA AV74IMVURA Model Brand Tian Da+Tian Da+Tian Da+Tian Da Tian Da+Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor fan Type Axial Axial Diameter Φ642+Φ642+Φ642+Φ642 Φ642+Φ642+Φ642+Φ642 Height 198+198+198+198 198+198+198+198 Number of rows 3+3+3+3 3+3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60...
  • Page 45 Model AV76IMVURA AV78IMVURA Combination 18+18+20+20 18+20+20+20 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 212.0 218.0 Rated capacity kBtu/h 723.34 743.82 Rated power input 63.34 65.50 Max. power input 121.00 124.50 Cooling Rated current 104.60 108.18 Max. current 199.83 205.61 3.35 3.33 SEER 5.80...
  • Page 46 AV76IMVURA AV78IMVURA Model Brand Tian Da+Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642+Φ642+Φ642 Φ642+Φ642+Φ642+Φ642 Height 198+198+198+198 198+198+198+198 Number of rows 3+3+3+3 3+3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 47 Model AV80IMVURA AV82IMVURA Combination 20+20+20+20 20+20+20+22 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 224.0 231.0 Rated capacity kBtu/h 764.29 788.17 Rated power input 67.67 70.32 Max. power input 128.00 129.00 Cooling Rated current 111.76 116.13 Max. current 211.39 213.04 3.31 3.28 SEER 5.71...
  • Page 48 AV80IMVURA AV82IMVURA Model Brand Tian Da+Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor fan Type Axial Axial Diameter Φ642+Φ642+Φ642+Φ642 Φ642+Φ642+Φ642+Φ642 Height 198+198+198+198 198+198+198+198 Number of rows 3+3+3+3 3+3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 49 Model AV84IMVURA AV86IMVURA Combination 20+20+22+22 20+22+22+22 Power supply Ph/V/Hz 3/380~415/50/60 3/380~415/50/60 Rated capacity 238.0 245.0 Rated capacity kBtu/h 812.06 835.94 Rated power input 72.97 75.61 Max. power input 130.00 131.00 Cooling Rated current 120.51 124.88 Max. current 214.70 216.35 3.26 3.24 SEER 5.67...
  • Page 50 AV84IMVURA AV86IMVURA Model Brand Tian Da+Tian Da+Tian Da+Tian Da Model Material ABS+20%GF ABS+20%GF Outdoor Type Axial Axial Diameter Φ642+Φ642+Φ642+Φ642 Φ642+Φ642+Φ642+Φ642 Height 198+198+198+198 198+198+198+198 Number of rows 3+3+3+3 3+3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 21×18.186 Fin spacing 1.60 1.60 Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Fin Coating Type...
  • Page 51 Model AV88IMVURA Combination 22+22+22+22 Power supply Ph/V/Hz 3/380~415/50/60 Rated capacity 252.0 Rated capacity kBtu/h 859.82 Rated power input 78.26 Max. power input 132.00 Cooling Rated current 129.25 Max. current 218.00 3.22 SEER 5.63 Rated capacity 276.0 Rated capacity kBtu/h 941.71 Rated power input 74.80 Max.
  • Page 52 AV88IMVURA Model Brand Tian Da+Tian Da+Tian Da+Tian Da Model Material ABS+20%GF Outdoor fan Type Axial Diameter Φ642+Φ642+Φ642+Φ642 Height 198+198+198+198 Number of rows 3+3+3+3 Tube pitch(a)x row pitch(b) 21×18.186 Fin spacing 1.60 Fin type (code) Hydrophilic aluminum Fin Coating Type Optional Clear lacquer Outdoor Salt Spray Test Duration...

  • Page 53: Dimension

    3. Dimension AV08/10/12/14IMVURA Unit:mm Space between fixing holes 800 ⑧ Air outlet duct ＞300 Back connection position Right Left Front ＞1000 ② ③ ④ ⑤ ⑥ ⑦ ① Name Remark Signal line hole(Ø25) Using the rubber plug in the unit's attachment for protection Pipe outlet for 2-pipe system Pipe outlet for 3-pipe system hole,and using the line sheath in the unit's attachment for...
  • Page 54 AV16/18/20/22IMVURA Name Remark Signal line hole(Ø25) Using the rubber plug in the unit's attachment for protection Pipe outlet for 2-pipe system Pipe outlet for 3-pipe system hole,and using the line sheath in the unit's attachment for Power supply hole protectionAccording to the wire diameter size to choose the appropriate line Hoisting hole Power supply of signal line hole...

  • Page 55: Center Of Gravity

    4. Center of gravity AV08/10/12/14IMVURA (X-347.9587, y-471.5454, z-725.6683)
  • Page 56 AV16/18/20/22IMVURA (X-650.5962, y-380.7255, z-706.5342)

  • Page 57: Piping Diagram

    5. Piping diagram AV08/10/12/14IMVURA LEVb LEVa1 Tdef1 SC-HEX(lower) Tilq HEX1(upper) LEVa2 Liquid pipe Tdef2 Toci1 HEX2(lower) Liq.Tank Tsco Toci2 4WV3 4WV1 4WV2 Capi. High pressure gas pipe Gas pipe Capi. Accum. Toil inv. comp. :strainer...
  • Page 58 AV16/18/20/22IMVURA LEVb LEVa1 Tdef1 SC-HEX(lower) Tilq HEX1(upper) LEVa2 Liquid pipe Tdef2 Toci1 HEX2(lower) Liq.Tank Tsco Toci2 4WV3 4WV1 4WV2 4WV2 High pressure gas pipe O/S1 O/S2 SV31 HPS2 Gas pipe Capi. Capi. SV32 HPS1 Capi. Capi. SV10 Accum. Toil2 Toil1 inv.comp.2 inv.comp.1 :strainer...
  • Page 59 Part name Sign Function Data Remark ANB52FKQMT: 0.302Ω "Capacity control, to meet indoor load through Compressor 20°C frequency adjustment." ANB66FVAMT: 0,23Ω ANB78FVAMT: 0,23Ω Pressure switch HPs1/2 Protection control for high pressure 4.15Mpa, OFF setting In heating , compressor frequency adjustment and 0~4.15MPa protection control for abnormal pressure Pressure sensor...

  • Page 60: Wiring Diagram

    6. Wiring diagram Description of the Main-board Port definition No. Port Port description L/N/G AC Power Input Liquid Jetting to compressor 1 SV10 Drain the oil from compressor 2 Drain the oil from compressor 1 Balance pressure(Load-OFF) Hot and cold switching HEAT1 Heating band of compressor 1 HEAT2...

  • Page 61: Capacity Calculation Due To Capacity Modification Coefficient

    7. Capacity calculation due to capacity modification coefficient (1) Calculation method of cooling capacity---Refrigerating capacity to be known=Refrigerating capacity x(AxBxCxDxE) 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 62 Note: 1. The refrigerant pipe should be thickened when the single way length is over 90m. 2. When in cooling mode, outdoor is lower than indoor; or when in heating mode, outdoor is higher than indoor, the compensation factor should be decreased the below value from the above figure. Vertical height drop between 90m 100m 110m...
  • Page 63 (2) Calculation method of heating capacity---Heating capacity to be known=Heating capacity x(AxBxCxDxExF) W A. Capacity modification value B. Capacity modification value under outdoor air C. Capacity modification value under indoor air dry-bulb wet-bulb temperature condition. under airflow variation rate of temperature condition.

  • Page 64: Operation Range

    8. Operation range Cooling Heating Indoor temperature (°CWB) Indoor temperature (°CDB)

  • Page 65: Noise Level

    9. Noise level 9.1. Testing illustrate (1) Testing illustration (2) Testing condition: a. Unit running in the nominal condition b. Test in the semi-anechoic chamber c. Noise level varies from the actual 1.5 m factors such as room structure, etc 9.2.

  • Page 66: Installation

    10. Installation 10.1. Safety • If the air conditioner is transferred to the others, this manual should be tranferred together. • Before installation, please read "Safety precaution" carefully to confirm the correct installation. • The mentioned precaustion includes " WARNING" and " CAUTION". The precausion caused death or heavy injury for faulty installation will be listed in "...
  • Page 67 CAUTION • Execute earthing for the unit. But the earthing wire can not be connected to the gas pipe, water pipe, lightening rod or the telephone earthing wire. Improper earthing will cause electric shock. • Don't install the unit at the place where leaks the flammable gas. Or it will cause fire. •...
  • Page 68 10.2. Installation instruction In installation, please check specially the below items: • If the connected units quantity and the total capacity is in the allowable range? • If the refrigerant pipe length is in the limited range? • If the pipe size is proper? And if the pipe is installed horizontally? •...
  • Page 69 Outdoor Indoor Capacity Combination type Indoor Qty Total indoor capacity (HP) Gather pipe (100W) 1908 Combination (450+450+504+504) 1~64 34~88.4 1962 Combination (450+504+504+504) 1~64 35~91 2016 Combination (504+504+504+504) 1~64 36~93.6 2072 Combination (504+504+504+560) 1~64 37~96.2 2128 Combination (504+504+560+560) 1~64 38~98.8 2184 Combination (504+560+560+560) 1~64 39~101.4...
  • Page 70 Transportation • In transportation, please don't dismantle the packaging, and move the unit to the installation location as closely as possible. • Don't hang the unit only at two points. When hanging the unit, don't sit on the unit. The unit should be upright. When removing the unit with the forklift, put the fork into the special hole at bottom of the unit.
  • Page 71 Outline and installation dimensions Fixed hole distance AV08~14IMVURA 800mm Drain hole 750mm 980mm 70mm Exhaust duct connection position Power line outlet (According to the choice of the power line diameter size. The export, use the attached wire into the sheath) Signal line and Line Signal wire hole diameter Ø25...
  • Page 72 Outdoor unit installation Standard accessories Please check the attachment is complete, please be sure to use. Place No. definition Graphic Quantity Remarks position Installation Accessory instruction Rubber Signal line Accessory plug protection Power line Accessory sheath protection (8HP) (10HP) (12~14HP) (16~22HP) Reducing Accessory...
  • Page 73 Combination installation dimensions • There should be no obstacles in 2000mm above the top of outdoor unit; • Obstacles around outdoor should be greater than 900mm to the bottom of unit. • When multiple modules are installed, the outdoor should be in ranked as the capacity, the larger capacity is closer to the main pipe of gather pipe.
  • Page 74 ˃300mm ˃200mm ˃300mm ˃1000mm 3. Wall higher than the outdoor condenser Place with air inlet hole Notes: a. Fan speed Vs at air inlet is 1.5m/s or below. b. Air outlet height HD=H-h and below 1m. ˃300mm ˃200mm ˃1000mm ˃300mm External air duct...
  • Page 75 Place without air inlet hole Notes: a. Set a 500~1000mm bracket. b. Air outlet height HD=H-h and below 1m. ˃300mm ˃300mm ˃200mm ˃1000mm External air duct 4. The outdoor machine installation should consider the impact of seasonal wind, don't let the wind directly into the unit return air, otherwise it will affect the unit defrosting and related functions 5.
  • Page 76 Install snow cover Outlet snow cover Snowfall area, please install snow cover, see the right Inlet snow cover picture,To be unaffected by the snow, it is important to set up a high platform, which is calculated according to the maximum amount of snow in the area. At the same time, the outdoor external machine defrost setting change to be easy to frost setting, detailed see the digital tube setting.
  • Page 77 Install air ducting There are no obstacles in the 2000mm above the outdoor unit; When there are obstacles in the outer plane, there must be a pilot channel, and the wind will be free, the wind will not beshort-circuited, and the external static pressure will be less than 110Pa.
  • Page 78 19.05 is O-type, the pressure preservation will be bad, thus it must be 1/2H type and over the min. thickness. 3. The branch pipe and the gather pipe must be from Haier. 4. When installing the stop valve, refer to the relative operation instruction.
  • Page 79 Pipe specification Outdoor gather pipe The first branch pipe a a a 1. Pipe "a" diameter (between indoor and branch pipe) (depends on indoor pipe) Indoor (x100W) Gas pipe(mm) Liquid pipe(mm) 15~28 Ø9.52 Ø6.35 36~56 Ø12.7 Ø6.35 71~140 Ø15.88 Ø9.52 226~300 Ø25.4 Ø9.52...
  • Page 80 3. Pipe "c" diameter (between VP and branch pipe) (depends on VP pipe) Suction gas pipe (mm) HP gas pipe (mm) Liquid pipe (mm) 112B Ø15.88 Ø12.7 Ø9.52 180B Ø15.88 Ø15.88 Ø9.52 280B Ø22.22 Ø19.05 Ø9.52 4. Pipe "d" diameter (between VP branch pipes) Total indoor capacity after the branch pipe Suction gas pipe HP gas pipe...
  • Page 81 Main pipe Enlarged main pipe Outdoor Outdoor Suction gas HP gas Liquid Suction gas HP gas Liquid capacity (HP) capacity (kW) pipe(mm) pipe(mm) pipe(mm) pipe(mm) pipe(mm) pipe(mm) 173.5 Ø41.30 Ø38.10 Ø19.05 Ø44.50 Ø41.30 Ø22.22 179.0 Ø41.30 Ø38.10 Ø19.05 Ø44.50 Ø41.30 Ø22.22 184.5 Ø41.30...
  • Page 82 Long pipe and high drop 1. Allowable piping length and drop between indoor and outdoor Outdoor 3 Outdoor is only one L12 L13 Outdoor 1 The outdoor is more than one unit When the distance between outdoors(L1, L3) is over 2m, the oil trap must be set (upright projecting pipe, 200mm high), as the figure : Outdoor 2 Outdoor 3...
  • Page 83 2. Applicable range Item Model All outdoors Pipe in above figure Single way total pipe length 1000 m (correspond length) L1+L2+L3……+L22 Single way pipe length Max. 165/190 (correspond length) L1+L3+ L5+L6+L7+L8+L9+L10 Main pipe beween outdoor to 1st branch Max.130 (correspond length) Outdoor is upper Max.
  • Page 84 Proper installation Wrong installation Oil return bend Compressor oil will flow into The height of the vertical the lowest unit section see schedule requirements In order to avoid damage to the pipe, the size of the return bend is referred to as the drawing. Pipe diameter Bending radius Vertical heigh...
  • Page 85 4. Example of connection Outdoor unit side (3 pipes) HP gas Pipe (Ø12.7) Indoor unit side (2 pipes) Suction gas Pipe (Ø15.88) 112B Liquid Pipe (Ø9.52) Gas Pipe (Ø15.88) Liquid Pipe (Ø9.52) Outdoor unit side (3 pipes) HP gas Pipe (Ø15.88) Indoor unit side (2 pipes) Suction gas Pipe (Ø15.88) 180B...
  • Page 86 Outdoor pipe dimension 24~44HP 46~66HP d Liquid pipe a Liquid pipe e Suction gas pipe b Suction gas pipe c HP gas pipe f HP gas pipe 68~88HP g Liquid pipe h Suction gas pipe i HP gas pipe The pipe "a, b, c, d, e, f, g, h, i" should be confirmed as to the below table Total outdoor capacity before gather Suction gas pipe (a,d,g) HP gas pipe (b,e,h)
  • Page 87 B. Indoor unit C. Pipe spec and the torque Torque(N . m) Diameter (mm) Gas pipe side Liquid pipe side Model Diameter Connecting Diameter Connecting Ø6.35 16~20 (mm) method (mm) method Ø9.52 40~50 Ø9.52 Ø6.35 Ø12.7 40~50 Ø9.52 Ø6.35 Ø15.88 90~120 Ø12.7 Ø6.35...
  • Page 88 Pipe installation Important • Please don't let the pipe and the parts in the unit collide each other. • When connecting the pipes, close the valves fully. • Protect the pipe end against the water, impurity into the pipes (welding after being flat, or being sealed with adhesive tape).
  • Page 89 B. Leakage test 1. The outdoor unit has been executed the leakage test in the factory. The pipe should be executed leakage test individually and forbidden to test after connecting with stop valve. 2. Refer to the below figure to charge the nitrogen into the unit to take a test. Never use the chlorin, oxygen, flammable gas in the leakage test.
  • Page 90 D. Check valve operation Open/ close method: (The suction gas pipe stop valve for AV08IMVURA, AV10IMVURA, AV12IMVURA,AV14IMVU RA,AV16IMVURA,AV18IMVURA,AV20IMVURA,AV22IMVURA) • Take down the valve cap, suction gas pipe, HP gas pipe turns to "open" • Turn the liquid pipe and the oil equalization pipe with hexangular spanner until it stops. If opening the valve strongly, the valve will be damaged.
  • Page 91 Note: • To prevent the oil going into the pipe, please use the special tool for R410A, especially for gauge manifold and charging hose. • Mark the refrigerant type in different colour on the tank. R410A is pink. • Must not use the charging cylinder, because the R410A will change when transferring to the cylinder. •...
  • Page 92 10.4. Electric wiring and the application Note: 1. Please follow the national electrical standards, all provided parts, raw materials must comply with local laws and regulations. And please professional electrician installation. 2. Power supply must use the rated voltage and air conditioning unit dedicated power supply, power fluctuations in the power supply ratio of less than 2%, and were designed indoor unit, outdoor machine dedicated power.
  • Page 93 3. If the power cord length is greater than 20m, please increase the cable cross-sectional area, so as to avoid overload caused by the accident. 4. When the voltage drop at the power supply line exceeds 2%, increase the wire diameter appropriately. 5.
  • Page 94 Power line installation instructions Note: When connecting the power cord, please be sure to set aside enough length in the outdoor, which is convenient for turning over the electrical box. , and the box body is rotated to the left, and the steel wire rope in the column is used to check the box to prevent the turning. Left column Hook When connecting the power cord, please be sure to set aside enough length in the outdoor, which is convenient for...
  • Page 95 Communication wiring figure (Wired) control wire for wired controller with polarity Communication wire with polarity Note: • Outdoor units are in parallel through 3 polar wires. The outdoor and all VP (cooling and heating switching device) and all indoor units are in parallel through 2 non-polar wires. •...
  • Page 96 B. One wired controller controls one indoor unit, as shown in the above figure (indoor unit 6-19). The indoor unit and the wired controller are connected via three lines with polarity. C. Two wired controllers control one indoor unit, as shown in the figure (indoor unit 20). Either of the wired controllers can be set to be the master wired control while the other is set to be the slave wired controller.
  • Page 97 2. Follow the instructions to route. IGU09 Connecting line 3. Make the dial setting - see the setting method. 4. Installation notes - see the IGU09 installation instructions. Internal layout of electric appliance box For example Compressor drive module Capacitor plate Filter board...

  • Page 98: Branch Pipe Dimension

    11. Branch pipe dimension 3-pipe systerm FQG-R335A FQG-R506A FQG-R730A FQG-R1350A FQG-R2040A Unit: mm, ID: inner diameter, OD: outer diameter Note: Cut off the pipe from its middle when using. Liquid Suction gas branch pipe HP gas branch pipe Liquid branch pipe Suction gas manifold pipe HP gas manifold pipe manifold pipe...
  • Page 99 2-pipe systerm Liquid side Gas side connection connection of Model Gas side branch pipe Liquid side branch pipe of branch pipe branch pipe FQG-B335A Φ9.53 Ø19.05 ID9.7 ID16.1 ID6.5 ID12.9 FQG-B506A Φ9.52 Ø22.22 ID12.9 ID22.4 ID9.7 ID19.3 ID6.5 ID16.1 ID12.9 Ø55 FQG-B730A Ø22.22...
  • Page 100 Liquid side Gas side connection connection of Model Gas side branch pipe Liquid side branch pipe of branch pipe branch pipe 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 Φ44.5*1.5 FQG-B2040A 38.1*1.3 38.1*1.3...

  • Page 101: Gather Pipe Dimension

    12. Gather pipe dimension Gather pipe is used for combination of outdoor unit. HZG-R20B (for 2 basic modules), HZG-R30B (for 3 basic modules),HZG-R40B (for 4 basic modules), Note: Cut off the pipe from its middle when using. Unit: mm, ID: inner diameter, OD: outer diameter Model Side Mark...
  • Page 102 Model Side Mark Manifold pipe Insulation material Side Mark Connection of manifold pipe *440 +0.2 ID25.6 +0.15 22.4 +0.15 19.2 *326 *301 +0.15 ID16.1 +0.15 ID12.9 +0.15 ID9.7 *203...
  • Page 103 Model Side Mark Manifold pipe Insulation material Side Mark Connection of manifold pipe *440 +0.2 ID25.6 +0.15 22.4 +0.15 19.2 *326...
  • Page 104 Model Side Mark Manifold pipe Insulation material Side Mark Connection of manifold pipe *301 +0.15 ID16.1 +0.15 ID12.9 +0.15 ID9.7 *203...

  • Page 105: Part 2 . One By One Valve Box

    One by one valve box Part 2 . 1. Specification Model VP1-112B VP1-180B VP1-280B Power Supply 1/220-230/50/60 Max. Number of branch lines Branching Number of Connectable Indoor Units Total Number of Connectable Indoor Units Branching Capacity of Connectable x≤11.2 11.2

  • Page 106: Dimension

    2. Dimension...

  • Page 107: Piping Diagram

    3. Piping diagram Cooling ＞He All cooling LEVhi LEVhi （Ø1.0*800） （Ø1.0*800） LEVlo LEVlo LEVC LEVC All heating / Hea Heating standby Cooling ＞Heating LEVhi LEVhi （Ø1.0*800） （Ø1.0*800） LEVlo LEVlo LEVC LEVC...
  • Page 108 All heating / Heating ＞ Cooling / Heating standby ＞Heating Cooling OF LEVhi LEVhi 0） （Ø1.0*800） （Ø1.0*800 LEVlo LEVlo LEVC LEVC g ＞ Cooling / Cooling OFF LEVhi （Ø1.0*800） LEVlo LEVC...

  • Page 109: Wiring Diagram

    4. Wiring diagram 3 2 1 CN28 CN31 LED3 Tliqsc Tsco SW03 LED4 LED5 LED1 LED2 CN11 CN10 BSV2 PMV3 BSV1 PMV2 PMV1 Qo Po Qi Pi Terminal Terminal Block for Block for Communication Power Connect Connect To power supply Notice：...

  • Page 110: Installation

    5. Installation Outdoor unit side (3 pipes) HP gas Pipe (Ø12.7) Indoor unit side (2 pipes) Suction gas Pipe (Ø15.88) 112B Liquid Pipe (Ø9.52) Gas Pipe (Ø15.88) Liquid Pipe (Ø9.52) Outdoor unit side (3 pipes) HP gas Pipe (Ø15.88) Indoor unit side (2 pipes) Suction gas Pipe (Ø15.88) 180B Liquid Pipe (Ø9.52)
  • Page 111 • If the valve box is transferred to a new user, this manual shall be transferred to the user, together with the conditioner. • Before installation, be sure to read Safety Considerations in this manual for proper installation. • The safety considerations stated below is divided into “ Warning”...
  • Page 112 • If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. • This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
  • Page 113 Do not install at such places 1. A place that is filled with mineral oil, a kitchen which has oil and steam everywhere, etc., which may cause degradation, falling off and water leakage of the resinous components. 2. A place with corrosive gases such as sulphurous acid gas, which will lead to the corrosion of the copper tube, welding joint, etc., causing refrigerant leakage.
  • Page 114 Combinations • This series is cooling and heating heat recovery models. Only when the system is equipped with valve box, indoor units under different valve boxes can achieve cooling and heating simultaneously. The modes of the indoors which under the same valve box should be the same. If the indoors connected without valve box, the indoors only can do cooling mode.
  • Page 115 1. Pre-installation The installation location selected shall meet the following conditions and be approved by users. • The strength shall be sufficient to withstand the weight of the valve box • There is no significant tilt on the plane. • Ensure that there is enough space for installation and maintenance.as show in Fig.1 •...
  • Page 116 2. Preparation before installation...
  • Page 117 3. Installation of valve box Use parts and components specified for installing the installation components. (1) Change the installation direction of electric box according to requirements following the steps below; (see Fig.1) Remove the cover of the electrical appliance box; (2 screws) Remove the electrical appliance box;...
  • Page 118 Nut (purchased locally) Gasket (purchased locally) Lifting tool 10-15mm Valve box Double nuts (purchased locally) Lifting bolt (purchased locally) Fig.6 4. Refrigerant pipe Installation • Pipes between the outdoor unit and valve box, selection of refrigerant branching suite, and the Pipe between refrigerant branching suites and the indoor units, please refer to the installation instructions or equipment design data attached to the outdoor unit.
  • Page 119 • Please do not let any type of gas other than the specified refrigerant go into the refrigeration system; • In case of refrigerant leakage during operation, please replace the gas. (Fill the refrigerant at the outdoor unit) Select piping material •...
  • Page 120 Tube size Tightening torque (N.m) Machined flare size A (mm) Flare shape Ø6.35 14.2~17.2 8.7~9.1 Ø9.52 32.7~39.9 12.8~13.2 Ø12.7 49.5~60.3 16.2~16.6 Ø15.88 61.8~75.4 19.3~19.7 Ø19.05 97.2~118.8 23.7—23.9 Ø22.22 117.2~138.8 28.2-28.5 Pipe size Tightening angle Recommended tool length (mm) Ø6.35 60°~90°...
  • Page 121 • For pipe welding, do not use antioxidant, for its residue may cause tube blocking and component fault. • For pipe welding, do not use flux. If the flux is chlorine product, it will corrode the tube; if it contains fluorine, it will even cause detrimental effects to the refrigerant system, such as refrigerant oil deterioration.
  • Page 122 Dimensions (mm) of connection tube of the indoor units Pipe dimensions (OD × minimum wall thickness) Total capacity type of the indoor units (×100W) Gas pipe Liquid pipe 22, 28 Ø9.52×0.8 Ø6.35×0.8 36, 45, 56 Ø12.7×0.8 Ø6.35×0.8 71, 80, 90, 112, 140 Ø15.88×1.0 Ø25.4×1.2 Ø9.52×0.8...
  • Page 123 Note HP gas pipe (*1) Gas pipe (*1) Valve box (Top side) Suction gas pipe (*1) Liquid pipe (*1) Liquid pipe (*1) Flare nut (*2) Flare nut (*2) Auxiliary pipe Flare nut (*2) Auxiliary pipe Flare nut (*2) Gas pipe (*1) Gas pipe (*1) Valve box (Top side) Valve box (Top side)
  • Page 124 (Note1): Auxiliary pipe -1,2,3: Install the flare nuts first and then use the auxiliary pipe after being flared in the field. Enlarge pipe Flare nut (*2) Gas pipe (*1) Fig.14 280B The total capacity of the indoor unit in the downstream is more than 18.0 kW but less than 22.4 kW. Auxiliary pipe Auxiliary pipe Auxiliary pipe...
  • Page 125 Pipe insulation Please use the auxiliary insulation cylinder and anchor for insulation works according to Fig.17 after the gas leakage test. Tie wire (large) Insulation pipe HP gas pipe (*1) Gas pipe (*1) Suction gas pipe (*1) Insulation pipe Valve box (Top side) Liquid pipe (*1) Liquid pipe (*1) Tie wire (small)
  • Page 126 Warning • Electrical construction should be made with specific mains circuit by the qualified personnel according to the installation instruction. Electric shock and fire may be caused if the capacity of power supply is not sufficient. • During arranging the wiring layout, specified cables should be used as the mains line, which accords with the local regulations on wiring.
  • Page 127 Graphical representation for wiring Connect the communication terminal block P and Q of the main unit of the outdoor units with the communication terminal block P and Q of the first valve box (VP 1). Outdoor 1 Outdoor 2 Outdoor 3 To power supply 1PH,220-230V~, The communication wire of valve...
  • Page 128 (6) Tighten terminal screws with proper screw driver. Screw driver of small dimension will damage the screw head and fail to tighten properly. (7) If terminal screws are tightened excessively, they may be damaged. Refer to the following table for tightening torques of terminal screws: Dimension of terminal screw Tightening torque (N.m)

  • Page 129: Part 3 . One By Four Valve Box

    One by four valve box Part 3 . 1. Specification Model VP4-450B Power Supply Max. Number of branch lines Branching Number of Connectable Indoor Units Total Number of Connectable Indoor Units Branching Capacity of Connectable Indoor Units x≤11.2 Total Capacity of Connectable Indoor Units x≤45 Dimension (W×H×D) (mm×mm×mm)

  • Page 130: Dimension

    2. Dimension 4×22 4×52 65 65 65 76 65 65 65 44...

  • Page 131: Piping Diagram

    3. Piping diagram LEVhi LEVlo LEVhi LEVlo LEVhi LEVlo LEVhi LEVlo Liquid pipe （Ø15.88 ） High pressure gas pipe （Ø28.58 ） Gas pipe （Ø28.58 ）...

  • Page 132: Wiring Diagram

    4. Wiring diagram i l T i l T i l T i l T s q`...

  • Page 133: Installation

    5. Installation HP gas Pipe (Ø28.58) Plug Suction gas Pipe (Ø28.58) Plug Liquid Pipe (Ø15.88) Gas Pipe (Ø15.88) Liquid Pipe (Ø9.52) Before installation , be sure to remove the plug .When the valve box is connected with the outdoor unit, the left side of the three pipes or the right side of the three pipes can be selected according to the actual installation requirements.
  • Page 134 • If the valve box is transferred to a new user, this manual shall be transferred to the user, together with the conditioner. • Before installation, be sure to read Safety Considerations in this manual for proper installation. • The safety considerations stated below is divided into “ Warning”...
  • Page 135 • When contacting electrical components, ensure they are powered off. Contacting the live part may result in the danger of electric shock. • If there is leakage of the refrigerant gas flow during operation, refrigerant gas is required. If the refrigerant gas contacts any fire, poisonous gases will be produced.
  • Page 136 Do not install at such places 1. A place that is filled with mineral oil, a kitchen which has oil and steam everywhere, etc., which may cause degradation, falling off and water leakage of the resinous components. 2. A place with corrosive gases such as sulphurous acid gas, which will lead to the corrosion of the copper tube, welding joint, etc., causing refrigerant leakage.
  • Page 137 Wiring VP4-450B Auxiliary pipe Insulation tube harness Quantity Ø16.1 Ø19.2 Shape Ø10 Ø16 Ø28 Ø46 Ø22.22 Ø22.22 VP4-450B Specification Quantity Shape Ø9.52 Ø15.88 Before the installation is completed, do not abandon the accessories needed in installation. Combinations • This series is cooling and heating heat recovery models. Only when the system is equipped with valve box, indoor units under different valve boxes can achieve cooling and heating simultaneously.
  • Page 138 Inspection item Pay much attention to the following during installation. Check them again after completion. (1) Inspection items after installation Inspection item Defect Inspection column If the installation of valve box is secure ? Falling off, vibration and noise If gas leakage inspection is completed ? No heating/cooling If complete insulation is achieved (refrigerant piping Water leakage...
  • Page 139 1. Pre-installation The installation location selected shall meet the following conditions and be approved by users. • The strength shall be sufficient to withstand the weight of the valve box • There is no significant tilt on the plane. • Ensure that there is enough space for installation and maintenance.as show in Fig.1 •...
  • Page 140 2. Preparation before installation (1) Valve box dimension (mm) 4×22 4×52 65 65 65 76 65 65 65 44 Fig.2 See the Fig.4 to install the lifting bolts and hoisting tools. • Use the lifting bolts with the size of M8~M10 •...
  • Page 141 3. Installation of valve box Use parts and components specified for installing the installation components. Install the lifting tools on the lifting bolts according to the instruction of the Fig.5 Be sure to follow the stipulations on products locally purchased to use nuts (M8 or M10 of 3 pieces for 4 positions) and gaskets (M8 with the outer diameter of 24~28 mm and M10 with that of 30~34 mm of 2 pieces for 4 positions) on the upper and lower sides of the lifting tools.
  • Page 142 The high-pressure gas pipe, suction gas pipe, liquid pipe must be provided with reliable thermal insulation. In the absence of thermal insulation, liquid leakage may happen. The outdoor unit is already filled with refrigerant. To connect the pipes to valve box or remove them from valve box, do use both spanner and torque wrench, as shown in the Fig.6.
  • Page 143 Wall thickness and size: select proper sizes according to Selection of piping dimensions • For the permissible maximum length, permissible elevation difference and permissible length after branching, please refer to the installation instructions or technical data attached to the outdoor unit. •...
  • Page 144 Pipe size Tightening angle Recommended tool length (mm) Ø6.35 60°~90° Ø9.52 60°~90° Ø12.7 30°~60° Ø15.88 30°~60° Ø19.05 20°~35° Ø22.22 15°~30° Ø19.05 pipe connected on site Apply refrigerant oil Valve box Welding Accessory pipe Ø19.05 pipe connected on site Valve box Fig.8 Welding Fig.9...
  • Page 145 Selection of piping dimensions Select refrigerant branching dimensions between outdoor units and valve box, between valve box and indoor units according to the following connection examples 1 and 2 and Tables 1-3. Connection example 1: Connect an indoor Connection example 2: with branching in the unit to the downstream of the valve box downstream of the valve box Downstream...
  • Page 146
    • Dimensions (mm) of connection tube of the indoor units Indoor (×100W) Gas pipe (mm) Liquid pipe (mm) 22~28 Ø9.52×0.8 Ø6.35×0.8 36~56 Ø12.7×0.8 Ø6.35×0.8 71~112 Ø15.88×1.0 Ø9.52×0.8 Note: High wall 0.8/1HP gas pipe: Ø12.7 High wall 2HP gas pipe/liquid pipe: Ø15.88/Ø9.52
    ...
  • Page 147 Suction gas Pipe (Ø28.58) Welding HP gas Pipe (Ø28.58) Sealing cap (Ø28.58) Valve box (Top side) Welding Sealing cap (Ø15.88) Liquid Pipe (Ø15.88) Gas Pipe (Ø15.88) Liquid Pipe (Ø15.88) Flare nut Indoor unit Suction gas Pipe (Ø28.58) Welding Welding HP gas Pipe Sealing cap (Ø28.58) (Ø28.58)
  • Page 148 Pipe insulation Please use the auxiliary insulation cylinder and anchor for insulation works according to Fig.12 after the gas leakage test. Tie wire (small) Tie wire (small) Insulation pipe Insulation pipe Valve box (Top side) Tie wire (small) Tie wire (small) Insulation pipe Insulation pipe Tie wire (small)
  • Page 149 Note 1: For suction gas pipes, high pressure gas pipe and liquid pipes, gas pipe, flare connections shall be wrapped with insulation materials (purchased locally) when their auxiliary insulation cylinders have been installed. For installation of insulation materials for the flare Field pipe Auxiliary pipe nut connections, it shall be cautioned that:...
  • Page 150 Warning • Electrical construction should be made with specific mains circuit by the qualified personnel according to the installation instruction. Electric shock and fire may be caused if the capacity of power supply is not sufficient. • During arranging the wiring layout, specified cables should be used as the mains line, which accords with the local regulations on wiring.
  • Page 151 The wiring for the power line and signal line of valve box The wiring for the power line of valve box, the wiring for the signal line between valve boxes and outdoor units as well as the wiring between valve boxes. Items Cross Sectional Area of Signal Line Rated...
  • Page 152 (3) Two-core nonpolar communication line with shield shall be adopted for communication lines between the valve box and the indoor/outdoor unit. Three-core polar communication line with distinguished polarities and shield shall be adopted for the wire controller connected to the indoor unit. (4) All valve boxes within one system may share one overcurrent breaker for power supply.

  • Page 153: Part 4

    Part 4 . 1. Outdoor PCB photo and dip switch setting Outdoor PCB code: 0151800256C SMG2 SMG1 SW4 (UP) SW6 (STOP) SW5 (START) SW7 (DOWN) LED1 LED3 LED4 BUS-B LED5 LED6 LED7 BUS-A Emergency stop...
  • Page 154 Outdoor dip switch introduction Identification: • Physical master unit: by setting dip switch, the unit number is 0. It is used to communicate with indoor unit, also it is the organizer of outdoor communications as communication master unit. • Functional master unit: the outdoor with the highest priority of running, the priority class is 0. •...
  • Page 155 ② BM2 introduction BM2_1 Reserved Reserved BM2_2 Outdoor unit heat mode Normal(default) BM2_3 setting (valid when BM1_4 Heating only Power on, Outdoor locks the indoor Locked the indoor wireless module MAC address (default) no action BM2_4 wireless module MAC address Power on, Allow all new indoor wireless modules to join (Single-system (Wireless communication)
  • Page 156 ④ BM4 introduction: Group class (physical master unit is valid) BM4_1 BM4_2 Protocol selection Third party standard MODBUS protocol (default) ModeBus BM4_1 Centralized control Computer management protocol BM4_2 protocol selection Specific centralized control protocol Reserved BM4_3 Reserved Reserved ModeBus set control communication address BM4_4 BM4_5...
  • Page 157 Outdoor unit digital tube display settings The contents of the display are defined as follows: • Key parts: long press the left START (SW5) control to enter, short press above UP (SW4) data increase, short press down DOWN (SW7) data reduction, long press the right STOP (SW6) control exit •...
  • Page 158 function Digital tube LD1 ~ 4 display (1) press START (SW5) for 2 seconds, to enter the instruction set state, flashing display instructions. Forced indoor (2) according to UP (SW4) or DOWN (SW7) () adjustment instructions (COOL/ 14（E） mechanism cooling / HEAT/OFF).
  • Page 159 function Digital tube LD1 ~ 4 display Outdoor unit LEVa1 open degree 0---470pluse Press START (SW5) for 2 seconds, 1111, enter the Outdoor unit LEVa2 open degree set state: flashing, press UP (SW4) valve fully open, according to DOWN (SW7) 2min after the valve is fully Outdoor unit LEVb open degree closed;...
  • Page 160 function Digital tube LD1 ~ 4 display Outdoor 14（E） 15（F） Frequency converter INV1 module temperature Unit: degree unit address 15（F） 15（F） Frequency converter INV2 module temperature Unit: degree ③ System status display and control (host) function Digital tube LD1 ~ 4 display Refrigerant type 410A represents 410A refrigerant LD1：The total number of outdoor unit...
  • Page 161 Control function Digital tube LD1 ~ 4 display range 0- machine automatic control according to the In the same machine drive group number, all within the machine with 15（F） off control selection 1- drive, 2- all in each machine control, drive off with ban Selection of low temperature 0- within the machine automatic control, 15（F）...

  • Page 162: Valve Box Pcb Photo And Dip Switch Setting

    2. Valve box PCB photo and dip switch setting One by one valve box PCB code: 0151800186A...
  • Page 163 SW03 is used for valve box address setting Set the address with automatism （default） Manner of set SW03_1 address Set the address with dip switch Pre-set（default） SW03_2 Pre-set Pre-set Communication address OFF OFF OFF OFF OFF OFF 0#（default） OFF OFF OFF OFF OFF ON OFF OFF OFF OFF ON OFF OFF OFF OFF OFF ON OFF OFF OFF ON OFF OFF...
  • Page 164 Communication address ON OFF OFF ON OFF OFF ON OFF OFF ON OFF ON ON OFF OFF ON ON OFF ON OFF OFF ON ON OFF ON OFF OFF OFF ON OFF ON OFF OFF ON ON OFF ON OFF ON OFF ON OFF ON OFF ON ON OFF ON ON OFF OFF...
  • Page 165 One by four valve box PCB code: 0151800466...
  • Page 166 SW1 sets the communication address between the valve box and the indoor unit 1. SW2 sets the communication address between the valve box and the indoor unit 2. SW3 sets the communication address between the valve box and the indoor unit 3. SW4 sets the communication address between the valve box and the indoor unit 4.
  • Page 167 Communication address ON OFF OFF ON OFF OFF ON OFF OFF ON OFF ON ON OFF OFF ON ON OFF ON OFF OFF ON ON OFF ON OFF OFF OFF ON OFF ON OFF OFF ON ON OFF ON OFF ON OFF ON OFF ON OFF ON ON OFF ON ON OFF OFF...

  • Page 168: Control Function

    3. Control function 3.1 Compressor control 3.1.1 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 169 3.2 Fan control Control of MRV5-RC series DC motor The air supply speed of outdoor unit can be set from speed 0 to 24 in accordance with the operating mode. The operating is commonly at speed 1 - 24, and it is CVT (Continuously Variable Transmission) control between speed 1 and 21.
  • Page 170 3.12 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. 3.13 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 171 3.17 Refrigerant recovery control during maintenance (1) When the outdoor unit is discarded and transferred, the refrigerant needs to be recovered from the outdoor unit. At this time, the outdoorl unit performs the refrigerant recovery operation. (The refrigerant in the system is recycled to the outdoor unit) (2) This control operation by hand (3) Operation step:...

  • Page 172: Failure Code

    4. Failure code Failure code description: (failure code of the whole system is showed as 8 bits, so totally 256 codes. Indoor failure code should be judged by the table and the unit number) • Outdoor failure code exists in EEPROM, in which 5 failure codes can be kept. •...
  • Page 173 Digital tube indication Failure code definition Failure description Remarks on master unit The searched vp box quantity is less than set quantity for 26-3 Outdoor unit and VP- continuous 5 minutes box communication The searched vp box quantity is more than set quantity for failure 26-4 continuous 5 minutes...
  • Page 174 Digital tube indication Failure code definition Failure description Remarks on master unit After compressor is running，compression ratio ε ＞ 10.0 Compression ratio too Once forcontinuous 5 minutes ，stop and alarm。2 minutess and 50 39-1 high confirmation Seconds later，resume automatically。If it occurs 4 times in Protection un-resumable an hour，confirm the failure。...
  • Page 175 Digital tube indication Failure code definition Failure description Remarks on master unit Module rectifier side software transient overcurrent Module rectifier side current detection circuit anomaly Module hardware overcurrent In the process of starting or running, the rotor position can not Compressor out of step be detected for 6 times in a row, and the INV control board is automatically restored after stopping 5S...
  • Page 176 In the case of no fault, if the system does not meet the start-up conditions, the host digital display standby code: Indoor machine capacity beyond the Indoor machine capacity beyond the outdoor 555.0 outdoor machine capacity of 150% or machine capacity of 150% or less than 50%, standby less than 50%, standby system system Ambient temperature above 26 degrees indoor heat...

  • Page 177: Troubleshooting

    5. Troubleshooting Failure code LED5 Failure description: Outdoor Indoor unit LED status Defrosting temperature sensors: digital 20 times Tdef failure display tube: 20-0 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 178 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 MRV 5-RC series 2.
  • Page 179 LED5 Failure description: Failure code Indoor unit LED status Suction temperature sensor: Outdoor 20 times Ts failure digital display tube: 22-2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series 2.
  • Page 180 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 MRV 5-RC series 2.
  • Page 181 Failure code LED5 Failure description: Indoor unit LED status Oil temperature sensor: Outdoor digital display 20 times Th, Toil1 and Toil2 failure tube: 24-0, 1, 2 Indoor wired LED1 LED2 controller: Outdoor unit LED status Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 182 Failure code LED5 Failure description: Outdoor Indoor unit LED status Heat exchanger inlet temperature: digital 20 times Toci1 failure display tube: 25-0 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series 2.
  • Page 183 Failure code LED5 Failure description: Outdoor Indoor unit LED status Communication between indoor unit and digital 20 times outdoor unit failure 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 MRV 5-RC series...
  • Page 184 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 MRV 5-RC series...
  • Page 185 Failure code LED5 Failure description: Outdoor Indoor unit LED status High pressure sensor Pd 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 MRV 5-RC series 2.
  • Page 186 Failure code LED5 Failure description: Outdoor Indoor unit LED status Low pressure sensor Ps 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 MRV 5-RC series 2.
  • Page 187 Failure code LED5 Failure description: Outdoor Indoor unit LED status High pressure switch HPS1 and HPS2 fail- 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 MRV 5-RC series...
  • Page 188 FFailure LED5 Failure description: code Indoor unit LED status Defrosting temperature sensor failure: Outdoor 20 times Tsco and Tliqsc 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 MRV 5-RC series...
  • Page 189 LED5 Failure description: Failure code Indoor unit LED status AT24C04 EEPROM communication failure Outdoor AT24C04 EEPROM data check failure 20 times digital display IM EEPROM data or communication failure tube: 33-0, 2, 3 LED1 LED2 Indoor wired Outdoor unit LED status controller: 21 Normal Normal...
  • Page 190 Failure code LED5 Failure description: Outdoor Indoor unit LED status Outdoor compressor discharging tempera- digital 20 times ture (Td1, Td2).too high failure display tube: 34-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 191 Failure code LED5 Failure description: Outdoor Indoor unit LED status 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 MRV 5-RC series Check if the difference between 2.
  • Page 192 Failure code LED5 Failure description: Outdoor Indoor unit LED status Outdoor compressor oil temperature (Toil1, digital 20 times Toil2) too low failure display tube: 36-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 193 Failure code LED5 Failure description: Outdoor Low pressure sensor Ps too low protection Indoor unit LED status 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 MRV 5-RC series Check if the low pressure...
  • Page 194 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor ratio ε too high protection 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 MRV 5-RC series 2.
  • Page 195 Failure code LED5 Failure description: Outdoor Indoor unit LED status High pressure sensor Pd too high protec- digital 20 times tion display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series Replace it correctly by after-...
  • Page 196 Failure code LED5 Failure description: Outdoor Indoor unit LED status Outdoor unit compressor discharging tem- digital 20 times perature (Td1, Td2) too low failure display tube: 43-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting...
  • Page 197 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 MRV 5-RC series Check if the communication wire Replace it correctly by after- between the outdoor units is normal.
  • Page 198 Failure code LED5 Failure description: Outdoor Indoor unit LED status Communication with INV1 and INV2 module digital 20 times board failure display tube: 46-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 199 Failure code LED5 Failure description: Outdoor Indoor unit LED status Communication with fan motor module digital 20 times board 1, 2 failure display tube: 46-4, 5 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 200 Failure code LED5 Failure description: Outdoor Indoor unit LED status Communication with wireless communicai- digital 20 times ton module failure display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series 2.
  • Page 201 Failure code LED5 Failure description: Outdoor Indoor unit LED status LEVa1,2 and LEVb,c over current protection digital 20 times display tube: 51-0,1,2,3 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series 2.
  • Page 202 Failure code LED5 Failure description: Outdoor Indoor unit LED status LEVa1,2 and LEVb,c open circuit digital 20 times display tube: 52-0,1,2,3 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series Check if the electronic expansion 2.
  • Page 203 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 Diagnosis Troubleshooting MRV 5-RC series 2.
  • Page 204 Failure code LED5 Failure description: Outdoor Pressure difference between high and low Indoor unit LED status digital 20 times pressure too low failure display tube: 75-0 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 205 Failure code LED5 Failure description: Outdoor Indoor unit LED status Incorrect settings of quantity, address or digital 20 times capacity for outdoor unit display tube: 76-0, 1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Diagnosis and troubleshooting Diagnosis Troubleshooting...
  • Page 206 Failure code LED5 Failure description: Outdoor Indoor unit LED status Outdoor unit model are set incorrectly digital 20 times display tube: LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series 2.
  • Page 207 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor module hardware over current digital 20 times display tube: 110-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series R e c t i f y o n s i t e b y a f t e r - s a l e s...
  • Page 208 Failure code LED5 Failure description: Outdoor Indoor unit LED status Fan motor module hardware over current digital 20 times display tube: 110-4, 5 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 209 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor out of control digital 20 times display tube: 111-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series Replace on site by after-sales Check if the supply voltage is normal...
  • Page 210 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor module radiator temp. too high digital 20 times display tube: 112-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 211 Failure code LED5 Failure description: Outdoor Indoor unit LED status Fan motor module radiator temp. too high digital 20 times display tube: 112- 4, 5 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 212 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor module DC BUS under voltage digital 20 times display tube: 114-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 213 Failure code LED5 Failure description: Outdoor Indoor unit LED status Fan motor module DC BUS under voltage digital 20 times display tube: 114-4, 5 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 214 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor module DC BUS over voltage digital 20 times display tube: 115-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 215 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor module software over current digital 20 times display tube: 117-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series Check if the supply voltage is normal.
  • Page 216 Failure code LED5 Failure description: Outdoor Indoor unit LED status Fan motor module software over current digital 20 times display tube: 117- 4, 5 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 217 Failure code LED5 Failure description: Indoor unit LED status Current detecting circuit abnormal of com- Outdoor digital 20 times pressor module display tube: 119-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller77 Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 218 Continued Failure code LED5 Failure description: Indoor unit LED status Current detecting circuit abnormal of com- Outdoor digital 20 times pressor module display tube: 119-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller77 Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 219 Continued LED5 Failure description: Failure code Indoor unit LED status Current detecting circuit abnormal of Outdoor digital 20 times compressor module display tube: 119-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller77 Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 220 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor module power supply abnor- digital display 20 times tube: 120-1, 2 LED1 LED2 121-1, 2 Indoor wired Outdoor unit LED status controller: 78, Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 221 Failure code LED5 Failure description: Radiator temp. sensor of compressor mo- Outdoor Indoor unit LED status digital 20 times dule is abnormal. display tube: 122-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: 7A Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting...
  • Page 222 Failure code LED5 Failure description: Outdoor Indoor unit LED status Hardware instantaneous over current of the compressor module rectifier side digital display 20 times tube: 123-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: 78, Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting...
  • Page 223 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor module three-phase power failure digital display 20 times tube: 124-1, 2 LED1 LED2 Indoor wired Outdoor unit LED status controller: 78, Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series...
  • Page 224 Failure code LED5 Failure description: Outdoor Indoor unit LED status Compressor frequency un-match digital 20 times display tube: 125-0, 1 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series 2.
  • Page 225 Failure code LED5 Failure description: Outdoor Indoor unit LED status Fan motor speed un-match digital 20 times display tube: 125-4, 5 LED1 LED2 Indoor wired Outdoor unit LED status controller: Normal Normal 1. Model Failure diagnosis and troubleshooting Diagnosis Troubleshooting MRV 5-RC series Whether the power supply voltage is 2.

  • Page 226: Sensor Resistance Table

    6. Sensor resistance table Model Name Code Characteristic Tao sensor 0150401910 R25=10KΩ AV08IMVURA Td1sensor 0150401914 R80=50KΩ AV10IMVURA Td2 sensor 0150401915 R80=50KΩ AV12IMVURA AV14IMVURA Toci1/Tsacc sensor 0150401911 R25=10KΩ AV16IMVURA AV18IMVURA Tdef sensor 0150401913 R25=10KΩ AV20IMVURA Toil1sensor 0150401916 R80=50KΩ AV22IMVURA Toil2sensor 0150401917 R80=50KΩ...
  • Page 227 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 228 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 229 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 230 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 231 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 232 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 233 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 234 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 235: Smartlink

    7. Smartlink 7.1 Smartlink Introduction Smartlink is one kind of wireless communication technology, which contains Master wireless module, Slave wireless module and Repeater. 1. Master wireless module, Slave wireless module and Repeater share the same hardware but with different software program inside. 2.Repeater is powered by extra 5V power adapter Master / Slave wireless module Repeater...
  • Page 236 Connectable indoor series Model PCB code PCB version Remarks AB*MCERA 4-way cassette 0151800113 V12.4 AB*MCERA(C) Round flow 4-way cassette AB*MRERA 0151800227 V6.6 MINI 4-way cassette AB*MCERA(M) 0151800244BA V4.1 2-way cassette AB*MBERA 0151800161B V12.4 One way cassette AB*MAERA 0151800244BA V4.1 AC*MCERA The PCB spare parts Convertible 0151800113...
  • Page 237 Smartlink benefits • Easy Installation Traditional wired connection has complex operation procedures, such as wiring, wire threading, wire binding and wire cutting etc. which cost a lot of labor and resources. Smartlink as a wireless communication technology, make installation easier by removing the complex wire connection procedure.
  • Page 238 Smartlink specification Item Model BOM No. Spare part code Indoor PCB connection terminal Main IDU Wireless module IGU09 AA9VH2B3P 0151800313C CN34 Slave IDU Wireless Module IGU10 AA9VH1B3P 0151800314B CN34 Repeater IGU11 AA9VH0B3P 0151800321B Smartlink dimension...
  • Page 239 The installation requirement of Smartlink (1). The Connection requirement of wireless communication system For the MRV system adopting wireless communication, it is recommended to adopt the mix-connection solution of wired and wireless communication, namely the master ODU connecting with one nearest IDU by wire and all IDUs adopting wireless communication with each other within the system.
  • Page 240 The debugging guidance of Smartlink ODU searching for IDU Set DIP Switch BM1-2 OFF Set BM2-4 on SW1 SW2 SW3 Waiting The units number in LED display tube =real units number? BM1-2 ON,Search ending SW1 SW2 SW3 Waiting for 10 min and checking LED display tube SMG1:Checking error rate% Confirm IDU status...
  • Page 241 Each system can finish automatic networking debugging separately, as shown in the left debugging chart. Note: 1. For the first time of debugging Smartlink wireless communication units, the air conditioner units must be powered on separately, other IDUs without networking are forbidden to be powered on. The units finishing the networking must be powered off and then other units can start networking in sequence.
  • Page 242 Wireless module Power Communication quantity indicator Indicator indicator 1. The power indicator After the wireless module is powered on, the indicator light is red. If the power indicator is off, check as the follows: The internal computer board is not powered on or damaged, or the wireless module is damaged. 2.
  • Page 243 Haier Commercial Air Condition ADDRESS: No.1 Haier Road, Hi-tech Zone,Qingdao 266101 P.R.China Web: Http://www.haier.com Haier reserves the right to make change without any notice.

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