Midea MRC-062HWN1-RC Manual
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Midea MRC-062HWN1-RC Manual

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Part. 1 General information ........................................................ 2
Part. 2 Performances .................................................................. 5
Part. 3 Installations ................................................................. 104
Part. 4 Controller ..................................................................... 130

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Summary of Contents for Midea MRC-062HWN1-RC

  • Page 1 Content Part. 1 General information ............2 Part. 2 Performances ..............5 Part. 3 Installations ..............104 Part. 4 Controller ..............130...

  • Page 2: Part. 1 General Information

    MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Part. 1 General information 1. Product lineup ................ 3 2. External Appearance ............. 3 3. Nomenclature ................. 4...
  • Page 3 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 1. Product lineup Nominal ton Model Function Air outlet Power supply 6.25 MRC-062HWN1-R(C) Heat pump Side discharge MRC-075HWN1-R(C) Heat pump Side discharge MRC-085HWN1-R(C) Heat pump Side discharge MRC-100HWN1-R(C) Heat pump Side discharge...
  • Page 4 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz 8.5&10ton 12.5&15ton 17.5&20ton 25&30ton 3. Nomenclatures M R C – 062 H W N1 – R (C) Product design code Power supply: 380-415V, 3Ph~, 50Hz Refrigerant type: R410A Wired controller Heat pump type Nominal cooling capacity ӿӿӿ: ӿӿӿ×1ton (6.2ton)

  • Page 5: Table Of Contents

    Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Part. 2 Performances 1. Features ................6 2. Specifications ..............8 3. Dimensions drawings ............26 4. Wiring diagrams ..............36 5. Performance data ............. 43 6. Electrical data ..............73 7. Fan performance data ............74 8.

  • Page 6: Features

    MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz 1. Features  Design flexibility. Compact design and flanges of air flow inlet and outlet as standard. It is suitable for installation in rooftop and ground.  Durable construction. Pre-painted exterior cabinet panels pass 1000 hours salt spray test for durability.
  • Page 7  EHK (Electrical heater kits) and air intake filter as optional.  Wired controller as standard. Besides Midea controller, other brand thermostat can be matched as optional solution.  Centralized control function can be achieved through the centralized controller as optional.

  • Page 8: Specifications

    MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz 2. Specifications Nominal ton (Ton) Model MRC-062HWN1-R(C) MRC-075HWN1-R(C) Power supply 380 - 415V, 3Ph~, 50Hz 380 - 415V, 3Ph~, 50Hz Btu/h 75,000 89,000 Cooling capacity Cooling 22.0 26.0 Power input Btu/h 89,000...
  • Page 9 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Continued: Nominal ton (Ton) Model MRC-062HN1-R(C) MRC-075HN1-R(C) Type Axial Axial Quantity Drive type Direct Direct Motor quantity Outdoor fan Motor model YDK450-6C YDK580-6C Motor capacitor 25µF/450V 25µF/450V Motor input 757/403 820/505 Fan speed...
  • Page 10 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Nominal ton (Ton) Model MRC-085HWN1-R(C) Power Supply 380 - 415V, 3Ph~, 50Hz Btu/h 103,000 Cooling capacity Cooling 30.0 Power input Btu/h 120,000 Heating capacity Heating 35.0 Power input 10.6 Max. input consumption 13.6...
  • Page 11 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Continued: Nominal ton (Ton) Model MRC-085HWN1-R(C) Type Axial Quantity Drive type Direct Motor quantity Outdoor fan Motor model YDK580-6C Motor capacitor 25µF/450V Motor input 820/505 Fan speed 870/640 Type R410A Refrigerant Volume 2.5+2.5...
  • Page 12 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Nominal ton (Ton) Model MRC-100HWN1-R(C) Power supply 380 - 415V, 3Ph~, 50Hz Btu/h 120,000 Cooling capacity Cooling 35.0 Power input 10.7 Btu/h 137,000 Heating capacity Heating 40.0 Power input 11.9 Max. input consumption 16.0...
  • Page 13 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Continued: Nominal ton (Ton) Model MRC-100HWN1-R(C) Type Axial Quantity Drive type Direct Motor quantity Outdoor fan Motor model YS1100-6P Motor capacitor Motor input Fan speed 1,120/965 Type R410A Refrigerant Volume 2.9+2.9 Control...
  • Page 14 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Nominal ton (Ton) 12.5 Model MRC-125HWN1-R(C) Power supply 380 - 415V, 3Ph~, 50Hz Btu/h 150,000 Cooling capacity Cooling 44.0 Power input 13.3 Btu/h 154,000 Heating capacity Heating 45.0 Power input 13.2 Max. input consumption 19.7...
  • Page 15 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Continued: Nominal ton (Ton) 12.5 Model MRC-125HWN1-R(C) Type Axial Quantity Drive type Direct Motor quantity Outdoor fan Motor model YS1100-6 Motor capacitor Motor input 1,120/965 Fan speed Type R410A Refrigerant Volume 3.4+2.1...
  • Page 16 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Nominal ton (Ton) Model MRC-150HWN1-R(C) Power supply 380 - 415V, 3Ph~, 50Hz Btu/h 180,000 Cooling capacity Cooling 53.0 Power input 16.7 Btu/h 191,000 Heating capacity Heating 56.0 Power input 17.2 Max. input consumption 25.0...
  • Page 17 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Nominal ton (Ton) Model MRC-150HWN1-R(C) Type Axial Quantity Drive type Direct Motor quantity Outdoor fan Motor model YS1100-6 Motor capacitor Motor input Fan speed 1,120/965 Type R410A Refrigerant Volume 6.1+3.0 Control Throttle valve...
  • Page 18 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Nominal ton (Ton) 17.5 Model MRC-175HWN1-R(C) Power supply 380 - 415V, 3Ph~, 50Hz Btu/h 208,000 Cooling capacity Cooling 61.0 Power input 19.1 Btu/h 218,000 Heating capacity Heating 64.0 Power input 19.5 Max. input consumption 27.0...
  • Page 19 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Continued: Nominal ton (Ton) 17.5 Model MRC-175HWN1-R(C) Type Axial Quantity Drive type Direct Motor quantity Outdoor fan Motor model YDK550-6E Motor capacitor 25µF/450V Motor input 740/640 Fan speed 880/810 Type R410A Refrigerant Volume 5.8+5.8...
  • Page 20 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Nominal ton (Ton) Model MRC-200HWN1-R(C) Power supply 380 - 415V, 3Ph~, 50Hz Btu/h 240,000 Cooling capacity Cooling 70.0 Power input 22.6 Btu/h 260,000 Heating capacity Heating 75.0 Power input 23.6 Max. input consumption 32.5...
  • Page 21 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Continued: Nominal ton (Ton) Model MRC-200HWN1-R(C) Type Axial Quantity Drive type Direct Motor quantity Outdoor fan Motor model YS1100-6-3 Motor capacitor Motor input Fan speed 1,090/944 Type R410A Refrigerant Volume 6.9+6.9 Control...
  • Page 22 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Nominal ton (Ton) Model MRC-250HWN1-R(C) Power supply 380 - 415V, 3Ph~, 50Hz Btu/h 300,000 Cooling capacity Cooling 88.0 Power input 28.9 Btu/h 330,000 Heating capacity Heating 97.0 Power input 30.3 Max. input consumption 38.5...
  • Page 23 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Continued: Nominal ton (Ton) Model MRC-250HWN1-R(C) Type Axial Quantity Drive type Direct Motor quantity Outdoor fan Motor model YS1500-6-2 Motor capacitor Motor input Fan speed Type R410A Refrigerant Volume 8.7+8.7 Control Capillary...
  • Page 24 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz Nominal ton (Ton) Model MRC-300HWN1-R(C) Power supply 380 - 415V, 3Ph~, 50Hz Btu/h 335,000 Cooling capacity Cooling 98.0 Power input 32.8 Btu/h 380,000 Heating capacity Heating 111.5 Power input 36.5 Max. input consumption 49.5...
  • Page 25 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 Nominal ton (Ton) Model MRC-300HWN1-R(C) Type Axial Quantity Drive type Direct Motor quantity Outdoor fan Motor model YS1500-6-2 Motor capacitor Motor input Fan speed Type R410A Refrigerant Volume 10+10 Control Capillary Sound pressure level dB(A) 77.9...

  • Page 26: Dimensions Drawings

    MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz 3. Dimensions drawings MRC-062HWN1-R(C), MRC-075HWN1-R(C): (Unit: mm)
  • Page 27 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707...
  • Page 28 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz MRC-085HWN1-R(C), MRC-100HWN1-R(C) (Unit: mm)
  • Page 29 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707...
  • Page 30 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz MRC-125HWN1-R(C), MRC-150HWN1-R(C): (Unit: mm)
  • Page 31 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707...
  • Page 32 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz MRC-175HWN1-R(C), MRC-200HWN1-R(C): (Unit: mm)
  • Page 33 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707...
  • Page 34 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz MRC-250HWN1-R(C), MRC-300HWN1-R(C): (Unit: mm)
  • Page 35 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707...

  • Page 36: Wiring Diagrams

    MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz 4. Wiring diagrams MRC-062HWN1-R(C), MRC-075HWN1-R(C):...
  • Page 37 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 MRC-085HWN1-R(C):...
  • Page 38 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz MRC-100HWN1-R(C):...
  • Page 39 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 MRC-125HWN1-R(C), MRC-150HWN1-R(C):...
  • Page 40 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz MRC-175HWN1-R(C):...
  • Page 41 Midea R410A ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5-201707 MRC-200HWN1-R(C):...
  • Page 42 MCAC-RTT5-201707 Midea R410A ClimaCreator Series Rooftop Package 50Hz MRC-250HWN1-R(C), MRC-300HWN1-R(C):...

  • Page 43: Performance Data

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 5. Performance data MRC-062HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 65.4 57.1 5,615 75.8 42.6 6,171 79.0...
  • Page 44 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-062HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 56.6 51.8 6,506 67.0 38.8 6,690 76.2 24.5...
  • Page 45 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-062HWN1-R(C) Heating capacity: Net Capacities (kW) @ 2,800CFM Outdoor Temp. (° C) Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) 70% RH 14.2...
  • Page 46 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-075HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 77.6 67.8 7,013 89.9 50.7 7,460 93.7 31.9 8,494 73.7...
  • Page 47 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-075HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 67.2 61.5 7,751 79.5 46.1 7,917 90.4 29.3...
  • Page 48 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-075HWN1-R(C) Heating capacity: Net Capacities (kW) @ 2,830CFM Outdoor Temp. (° C) Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) 70% RH 16.5...
  • Page 49 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-085HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 89.1 77.0 8,400 99.8 56.7 8,825 103.6 34.9 9,516 82.1...
  • Page 50 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-085HWN1-R(C), Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 75.0 69.9 9,079 88.5 51.9 9,313 100.1 32.0...
  • Page 51 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-085HWN1-R(C) Heating capacity: Net Capacities (kW) @ 3,500CFM Outdoor Temp. (° C) Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) 70% RH 21.4...
  • Page 52 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-100HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 106.6 92.5 9,375 119.1 68.9 10,455 123.6 43.4 10,837 98.5...
  • Page 53 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-100HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 90.2 84.3 10,065 106.0 63.3 11,439 119.5 40.0...
  • Page 54 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-100HWN1-R(C) Heating capacity: Net Capacities (kW) @ 3,900CFM Outdoor Temp. (° C) Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) 70% RH 25.6...
  • Page 55 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-125HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 130.8 10,392 145.8 85.5 11,818 151.2 54.9 12,325 121.1 10,484 140.1...
  • Page 56 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-125HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 111.1 12,036 130.1 78.8 13,848 146.3 50.9 15,388 100.6...
  • Page 57 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-125HWN1-R(C) Heating capacity: Net Capacities (kW) @ 5,500CFM Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) Outdoor Temp. (° C) 70% RH 30.6...
  • Page 58 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-150HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 163.5 15,042 183.2 15,388 193.5 72.1 15,888 153.3 15,898 171.6...
  • Page 59 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-150HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 142.6 16,611 163.5 94.5 17,014 185.6 65.5 17,514 117.6...
  • Page 60 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-150HWN1-R(C) Heating capacity: Net Capacities (kW) @ 5,500CFM Outdoor Temp. (° C) Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) 70% RH 33.9...
  • Page 61 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-175HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 190.7 13,978 213.3 16,252 225.1 85.9 17,369 179.0 15,724 200.0...
  • Page 62 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-175HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 166.7 17,470 190.7 19,744 216.0 78.3 22,124 146.3...
  • Page 63 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-175HWN1-R(C) Heating capacity: Net Capacities (kW) @ 7,600CFM Outdoor Temp. (° C) Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) 70% RH 37.7...
  • Page 64 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-200HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 216.2 20,279 242.2 21,474 225.9 95.5 22,772 202.7 20,647 227.0...
  • Page 65 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-200HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 188.6 22,031 216.2 26,475 245.5 86.7 28,673 178.9...
  • Page 66 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-200HWN1-R(C) Heating capacity: Net Capacities (kW) @ 10,000CFM Outdoor Temp. (° C) Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) 70% RH 45.2...
  • Page 67 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-250HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 266.8 25,083 298.0 25,583 309.3 26,159 246.5 25,851 273.8 28,060 306.5...
  • Page 68 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-250HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 237.2 29,488 276.7 32,198 310.4 35,029 209.7 34,204 247.2...
  • Page 69 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-250HWN1-R(C) Heating capacity: Net Capacities (kW) @ 10,000CFM Outdoor Temp. (° C) Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) 70% RH 61.9...
  • Page 70 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-300HWN1-R(C) Cooling capacity: Gross Cooling Capacity Ambient DB(° C) 29.4 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 286.2 22,870 322.3 26,157 348.4 27,149 271.3 27,079 313.6 31,557 340.8...
  • Page 71 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-300HWN1-R(C) Cooling capacity: (Continued) Gross Cooling Capacity Ambient DB(° C) 40.6 46.1 Indoor WB(° C) 16.1 19.4 22.8 16.1 19.4 22.8 DB(° C) 23.9 244.8 35,522 292.3 39,425 332.7 44,794 293.3 40,814 299.5...
  • Page 72 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-300HWN1-R(C) Heating capacity: Net Capacities (kW) @ 10,000CFM Peak net heating (kW) at indicated dry bulb (° C) Peak total power input (kW) at indicated dry bulb (° C) Outdoor Temp. (° C) 70% RH 76.5...

  • Page 73: Electrical Data

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 6. Electrical data Power Supply Compressor Eva.Fan Motor Con. Fan Motor Model TOCA Qty. (Each) (Each) MRC-062HWN1-R(C) 23.5 28.9 33.2 5.65 7.22 1.62 3.65 0.83 MRC-075HWN1-R(C) 29.4 36.5 43.7 121.2 14.3 8.08...

  • Page 74: Fan Performance Data

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 7. Fan performance data MRC-062HWN1-R(C) Static Pressure Item High speed Medium speed Low speed Fan speed (rpm) 1,001 1,665 1,386 1,164 Power input (W) Air flow (CFM) 3,001 2,647 2,356 Fan speed (rpm)
  • Page 75 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-075HWN1-R(C) Static Pressure Item High speed Medium speed Low speed 1,035 Fan speed (rpm) Power input (W) 1,716 1,432 1,197 3,074 2,697 2,403 Air flow (CFM) Fan speed (rpm) 1,081 50Pa...
  • Page 76 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Blower drive options Motor Blower Fan speed Model Pulley pitch Dia. Pulley pitch Dia. range (rpm) (inch) (inch) Min. Max. 1,400 4.53 - 5.25 8.35 MRC-085HWN1-R(C) MRC-100HWN1-R(C) 1,400 4.53 - 5.25 1,016 7.48...
  • Page 77 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Similarly, use this RPM value to read the No. of turns (N) by referring to the table of ‘Motor Variable Pitch Pulley Data’. The variable pitch pulley for motor shall be adjusted to this ‘N’ in order to get 3483cfm.
  • Page 78 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-085HWN1-R(C) 0.25 0.75 1.25 1.75 (Pa) Fan speed (rpm) 1,790 1,720 1,710 1,665 1,620 1,560 1,500 1,445 1,390 Power input (W) Air flow (CFM) 4,320 4,213 4,166 4,130 4,094 4,041 3,988...
  • Page 79 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-100HWN1-R(C), 0.25 0.75 1.25 1.75 (Pa) Fan speed (rpm) 2,020 1,945 1,870 Power input (W) 4,343 4,275 4,207 Air flow (CFM) Fan speed (rpm) Power input (W) 2,010 1,930 1,855 1,780...
  • Page 80 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-125HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 (Pa) Fan speed (rpm) Power input (W) 3,530 3,445 3,360 3,225 3,090 3,000 2,910 2,810 2,710 2,620 2,530 Air flow (CFM) 6,773 6,718 6,662 6,575...
  • Page 81 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Continued: MRC-125HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 (Pa) Fan speed (rpm) Power input (W) 2,470 2,370 2,270 2,170 2,070 1,960 1,850 1,775 1,700 Air flow (CFM) 4,917 4,786 4,654 4,571 4,488...
  • Page 82 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-150HWN1-R(C) 0.25 0.75 1.25 1.75 (Pa) Fan speed (rpm) 1,008 Power input (W) 5,146 4,968 4,790 4,575 4,360 4,155 3,950 Air flow (CFM) 7,928 7,867 7,805 7,686 7,566 7,452 7,338 1,014...
  • Page 83 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Continued: MRC-150HWN1-R(C) 0.25 0.75 1.25 1.75 (Pa) Fan speed (rpm) 1,082 1,074 1,067 1,059 1,051 1,044 1,036 1,028 1,020 Power input (W) 3,990 3,865 3,740 3,610 3,480 3,340 3,200 3,085 2,970...
  • Page 84 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-175HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 (Pa) Fan speed (rpm) Power input (W) 4,751 4,857 4,962 4,643 4,323 4,216 4,109 3,960 3,811 Air flow (CFM) 9,837 9,896 9,955 9,722 9,489 9,498...
  • Page 85 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Continued: MRC-175HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 (Pa) Fan speed (rpm) 1,021 1,012 1,004 Power input (W) 3,332 3,281 3,229 3,328 3,427 3,143 2,859 2,707 2,555 2,443 2,330 Air flow (CFM)
  • Page 86 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-200HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) 1,194 1,181 1,168 1,154 1,140 1,127 1,113 1,098 1,081 Power input (W) 6,951 6,710 6,468 6,266 6,063 5,831 5,599 5,422...
  • Page 87 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Continued: MRC-200HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) 1,261 1,244 1,232 1,218 1,204 1,190 1,177 1,163 1,149 1,135 1,121 1,106 1,093 Power input (W) 6,511 6,332 6,169...
  • Page 88 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Continued: MRC-200HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) 1,276 1,262 1,248 1,235 1,223 Power input (W) 4,546 4,243 3,842 3,731 3,169 Air flow (CFM) 7,459 6,935 6,339...
  • Page 89 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-250HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) 1,075 1,059 1,044 1,034 1,026 1,009 1,002 Power input (W) 6,962 6,840 6,589 6,382 6,068 5,930 5,651 5,544 5,232 5,085...
  • Page 90 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Continued: MRC-250HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) 1,077 1,064 1,047 1,038 1,032 1,015 1,006 Power input (W) 5,613 5,449 4,984 4,995 4,746 4,455 4,382 4,203 3,862...
  • Page 91 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Continued: MRC-250HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) 1,085 1,073 1,061 1,050 1,038 1,025 1,011 Power input (W) 3,975 3,744 3,513 3,282 3,051 2,940 3,024 Air flow (CFM)
  • Page 92 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-300HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) Power input (W) Air flow (CFM) 1,065 Fan speed (rpm) Power input (W) 7,695 Air flow (CFM) 12,337 Fan speed (rpm)
  • Page 93 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Continued: MRC-300HWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) 1,195 1,187 1,187 1,158 1,144 1,130 1,107 1,084 1,080 1,075 Power input (W) 8,733 8,411 8,411 7,452 7,068 6,684...
  • Page 94 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Continued: MRCT-300CWN1-R(C) 0.25 0.75 1.25 1.75 2.25 2.75 (Pa) Fan speed (rpm) 1,251 1,245 1,234 1,227 1,217 1,203 1,188 Power input (W) 8,379 7,287 7,097 6,397 6,236 5,805 5,375 Air flow (CFM)

  • Page 95: Refrigerant Cycle Diagram

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 8. Refrigerant cycle diagram MRC-062HWN1-R(C), MRC-075HWN1-R(C): MRC-085HWN1-R(C), MRC-100HWN1-R(C), MRC-125HWN1-R(C), MRC-150HWN1-R(C), MRC-175HWN1-R(C), MRC-200HWN1-R(C):...

  • Page 96: Operation Limits

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-250HWN1(C), MRC-300HWN1(C): 9. Operation limits...
  • Page 97 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Outdoor temperature Indoor temperature Cooling only mode 10° C - 46° C 17° C - 31° C -9° C - 24° C 10° C - 31° C Heating mode Room relative humidity should be less than 80%. If the unit operates in excess, the surface of the unit...

  • Page 98: Noise Criteria (Nc) Curves

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 10. Noise Criteria (NC) Curves MRC-062HWN1-R(C): MRC-075HWN1-R(C):...
  • Page 99 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-085HWN1-R(C): MRC-100HWN1-R(C):...
  • Page 100 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-125HWN1-R(C): MRC-150HWN1-R(C):...
  • Page 101 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-175HWN1-R(C): MRC-200HWN1-R(C):...
  • Page 102 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MRC-250HWN1-R(C): MRCT-300CWN1-R(C):...

  • Page 103: Accessories

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 11. Accessories Item Quantity Shape User manual -------------- Drain outlet Snap ring Drain pipe Wired controller & wires...

  • Page 104: Part. 3 Installations

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Part. 3 Installations 1. General information .............. 105 2. Recommendations ..............106 3. Lifting ..................107 4. Installation ................108 5. Condensate drainage ............109 6. Duct work ................110 7. Electrical wiring ..............110 8.

  • Page 105: General Information

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 1. General information Warning and cautions appear at appropriate locations throughout this manual. Read these carefully, please. Caution:  Read this entire manual before beginning installation procedures.  Body injury can result from high voltage electrical components, fast moving fans. For protection from these inherent hazards during installation and servicing, the electrical supply must be disconnected.

  • Page 106: Recommendations

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 2. Recommendations 2.1 Horizontal airflow application  These units are designed and certified for outdoor installation. These units may be installed directly on wood flooring or on Class A, Class B and Class C roof covering material.

  • Page 107: Lifting

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707  Any reduction of the unit clearances indicated in these pictures may result in condenser coil starvation or the recirculation of warm condenser air. Actual clearances which appear to be inadequate should be reviewed.

  • Page 108: Installation

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 4. Installation 4.1 For roof top applications using a field fabricated frame and ducts:  The frame must be located and secured by bolting or welding to the roof. Flashing is required.

  • Page 109: Condensate Drainage

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707  Attach the supply and return air ducts to the unit.  Insulate any ductwork outside of the structure with at least 2 inches of insulation and weatherproof. There must be a weatherproof seal where the duct enters the structure.

  • Page 110: Duct Work

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 6. Duct work  All conditioned air ductwork should be insulated to minimize heating and cooling duct losses. Use a minimum of 2 inches of insulation with a vapor barrier. The outside ductwork must be weatherproofed between the unit and the building.
  • Page 111 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707  Main power wiring to the unit control wiring between the control center and the unit, and earth wiring are required in the field.  The following components are required: main power fuses; conduit coupling.
  • Page 112 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Model Wires for power supply Type of wires 3 × UL1015 9AWG MRC-062HWN1-R(C) 3×6mm² + 2×3mm² 2 × UL1015 12AWG 3 × UL1015 7AWG MRC-075HWN1-R(C) 3×10mm² + 2×6mm² 2 × UL1015 9AWG 3 ×...

  • Page 113: Start-Up

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 MRC-175HWN1-R(C), MRC-200HWN1-R(C), MRC-250HWN1-R(C), MRC-300HWN1-R(C):  Wired controller wiring diagram (Standard wired controller) MRC-085HWN1-R(C), MRC-100HWN1-R(C), MRC-125HWN1-R(C), MRC-150HWN1-R(C), MRC-175HWN1-R(C), MRC-200HWN1-R(C), MRC-250HWN1-R(C), MRC-300HWN1-R(C): 8. Start-up Before starting unit:  Is the unit properly located and level with the proper clearance? ...

  • Page 114: Safety Control

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz  Does the condenser fan and indoor blower fan free without rubbing, and are they tight on the shafts?  Are all covers and access panels in place to prevent air loss and safety hazards? Starting the unit: ...
  • Page 115 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 When high pressure is equal or higher than 638 Psi, and lower pressure is equal or lower than 21Psi, the unit will stop. Error & protection code  MRC-085HWN1-R(C), MRC-100HWN1-R(C), MRC-125HWN1-R(C),...
  • Page 116 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Protection Over-current protection of compressor in system A Protection Over-current protection of compressor in system B Protection Over-current protection of indoor side fan motor Protection Comprehensive protection of outdoor side fan motor...
  • Page 117 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Ambient temperature sensor (T4) error FLASH FLASH Over-current protection of compressor FLASH Low temperature protection of evaporator FLASH Low temperature protection of evaporator FLASH High temperature protection of condenser FLASH Wired controller communication error...
  • Page 118 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Over-current protection of compressor: High pressure protection: High discharge temperature protection :...
  • Page 119 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Wired controller communication error : Low pressure protection :...
  • Page 120 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Eeprom error : Over-current protection of indoor side fan motor :...
  • Page 121 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Comprehensive protection of outdoor side fan motor : High temperature protection of condenser :...
  • Page 122 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Low temperature protection of evaporator: Anti-freezing protection of evaporator : Protection of outdoor ambient temperature :...

  • Page 123: Maintenance

    Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 10. Maintenance Caution  Do not operate the unit without the evaporator fan access panel in place. Reinstall the access panel after performing any maintenance. Operating the unit without the access panel may result in severe personal injury.
  • Page 124 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Refer to the following figure, loose 2 bolts, and move the electric motor to adjust belt tension. These two bolts are used for precision adjustment. Belt tension is measured by belt tension indicator ...
  • Page 125 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 following lists.  The belt which is too tight or too loose may generate noise and be harmful to the unit. For required to deflection Belt section Small pulley diameter Newton...

  • Page 126: Appendix: - Temperature Sensor

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Condenser coil Unfiltered air circulates through the unit’s condenser coil can cause the coil’s surface to become clogged with dust. Clean the coil, vertically (i.e., with the fins), and stroke the coil surface with a soft brush.
  • Page 127 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Temperature Temperature Tolerance Max. Min. (KΩ) (KΩ) (KΩ) (° C) (° C) 35.630 34.840 34.064 -0.41 0.42 33.741 33.011 32.292 -0.40 0.42 31.963 31.288 30.624 -0.39 0.41 30.290 29.666 29.051 -0.38 0.40...
  • Page 128 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz (KΩ) (KΩ) (KΩ) (° C) (° C) 10.582 10.472 10.363 -0.22 0.23 10.100 10.000 9.9000 -0.21 0.22 9.6518 9.5519 9.4520 -0.22 0.23 9.2262 9.1265 9.0270 -0.23 0.25 8.8218 8.7226 8.6235 -0.25 0.26...
  • Page 129 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Temperature Temperature Tolerance Max. Min. (KΩ) (KΩ) (KΩ) (° C) (° C) 3.6632 3.5900 3.5179 -0.50 0.52 3.5230 3.4512 3.3805 -0.52 0.53 3.3890 3.3186 3.2494 -0.53 0.55 3.2608 3.1919 3.1241 -0.54 0.56...

  • Page 130: Part. 4 Controller

    MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Part. 4 Controller 1. Wired controller: KJR-12B ..........131 2. Wired Controller: KJR-25B ..........140 3. Centralized Controller: MD-CCM03(A) (Optional) .... 150...
  • Page 131 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 1. Wired controller: KJR-12B KJR-12B/dP(T)-E 1.1 Wired controller specifications Model KJR-12B/dP(T)-E Power supply 5.0V DC Operation temperature -15° C～43° C Operation humidity 40%~90% RH 1.2 Introduction of indicators function 1. Operation mode indication:...
  • Page 132 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz For cooling only model, the indicator ‘HEAT’ is skipped. 2. Timer ON/OFF When adjust setting on time or only on time is set, the indicator ‘ON’ is lighted. When adjust setting off time or only off time is set, the indicator ‘OFF’ is lighted.
  • Page 133 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 1.3 Introduction of buttons 1. Mode button: When press this button, the operation mode changes as the following sequence: But for the cooling only model, the heating mode is skipped. 2. TIMER ON button: Press this button, timer-on function is active.
  • Page 134 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 0.5h, after 10 hours, increase by 1 hour for each press. If cancel this function, just set it to 4. FOLLOW ME button: When under cool, heat and auto mode, and press this button, follow me function is active.
  • Page 135 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 13. LOCK button: (Hidden) When push the LOCK button, all current settings are locked in and the wired controller does not accept any instruction except that of the LOCK button. Use the lock mode when want to prevent setting from being changed accidentally or play fully.
  • Page 136 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Step 2: Press temperature adjust button to select setting temperature. Step 3: Press ON/OFF button, indoor unit operation lamp on, it works in dry mode. Press ON/OFF button again, it stops to work.
  • Page 137 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Notes: Timer-off time must be longer than timer-on time. Step 3: 0.5 second after setting, the wired controller send information to the unit. And the setting is finished. Change timer When need to change timer time, press corresponding button to revise it. If cancel timer, please change timer time to 1.5 Installation of wired controller...
  • Page 138 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Accessories Item Quantity Remarks Wired controller Wood mounting screw M4×20 (For mounting on the wall) Mounting screw M4×25 (For mounting on the electrical switch box) Installation manual Owner’s manual 5P terminal group Installation screw For fixing terminal.
  • Page 139 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Dimension of rear cover as following picture (Unit: mm): Installation figure as following: A: Turn a screwdriver at the concave on bottom panel of the wired controller to remove the back cover.
  • Page 140 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 2. Wired Controller: KJR-25B KJR-25B 2.1 Wired controller specifications Model KJR-25B Power Supply Voltage AC 24V Temperature display range 0° C～37° C Temperature control range 7° C～35° C Temperature control accuracy ±...
  • Page 141 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 optimize energy savings. EMER: It is used to select operating under EMER mode. RUN: Returns display to current time and temperature. Backlight display: This key allows users to operate the device in a dark room. The device lights up when a button is pressed, and turns off when a given operation is completed.
  • Page 142 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Displayed Press up or down Press button Comments (Factory default) button to select Single stage Multi-stage Backlight button MS 2 Heat Pump (Single stage) Heat Pump (2-stage) Recovery enable Backlight button...
  • Page 143 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 The configuration menu allows you to set certain thermostat operating characteristics to your system or personal requirements. The configuration menu table summarizes the configuration options. An explanation of each option follows. Press Backlight button to change to the next menu item.
  • Page 144 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Step 2: Move FAN switch to ON position. The fan of unit will begin to operate. Step 3: Move FAN switch to AUTO position. The fan of unit will operate according to the setting of system immediately.
  • Page 145 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Step 2: Press to adjust wired controller setting above room temperature. The Aux. heating system will begin to operate. The display will show STG1, EMMER to indicate that the Aux. heating system is operating.
  • Page 146 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Step 3: Press TIME again to change from minute setting to day setting. The current days will be flashing. Press UP or DOWN to change the day up or down to the current day.
  • Page 147 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Example: this LCD display shows today’s usage to be 10 hours, 26 minutes. Press RUN and hold for 3 seconds to reset the energy monitor’s counters. The display will blink and counter will be cleared to zero.
  • Page 148 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 10) Low battery warning The controller has a two-stage lower battery warning system. When the batteries are first detected to be weak, the first stage low battery warning is indicated by BATT flashing on the LCD display.
  • Page 149 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 All wiring diagrams are for typical systems only. Installation: Step 1: Remove the packing material from the controller. Gently pull the cover straight off the base. Forcing or prying on the controller will cause damage to the unit.
  • Page 150 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 3. Centralized Controller: MD-CCM03(A) (Optional) Notes: For some model, the products with factory default cannot be connected with centralized controller. 3.1 Centralized controller specifications Model MD-CCM03(A) Power Supply Voltage 220~240V 50Hz 1Ph Ambient Temperature Range -15°...
  • Page 151 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 1) LOCK: In the mode setting mode, press the lock key, and the remote controller of the currently selected air conditioner will be locked or unlocked. The operation mode is: If the single-machine setting is selected, the operation is performed for the air conditioner of the current address only.
  • Page 152 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz the key again, and the operation will be performed for all air conditioners in the network. Press it repeatedly to shift between single setting and global setting. 4) QUERY: Any time when pressing the key, the selected operation mode is to query the operation status of the air conditioner.
  • Page 153 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 selected. If it is in the global operation mode, no effect will result after the key is pressed. In the main page, press it to enter the query mode. By default, it is the first in-service air conditioner.
  • Page 154 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 11) MODE: In setting operation mode, press this key to set the operation. In other display mode, press this key to enter the setting mode. By default, it is single-machine setting, and the first in-service air conditioner is displayed.
  • Page 155 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 constraint conditions. If any conflict exists, the next conflict-free mode will apply automatically. If conflict exists for all modes, startup will be impossible. If one or more in-service air conditioners in the network (including in the timing process of timing startup/shutdown), pressing this key will shut down all air conditioners.
  • Page 156 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz : The matrix is composed of 4×16 grids and each grid is composed of two blocks of different sizes. The matrix include horizontal coordinates 00-15 and vertical coordinates 00+, 16+, 32+ and 48+, which indicate the address of the indoor unit.
  • Page 157 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 controller is a master, and the air conditioner is a slave. In the LAN composed of computer and centralized controller, the computer or gateway is a master, and the centralized controller is a slave.
  • Page 158 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz indicator goes off. If an in-service air conditioner in the network is faulty, or the centralized controller network itself is faulty, the indicator will blink at 2Hz. If one or more in-service air conditioners in the network are running, including under setting of timing start or shutdown, the indicator will be luminous.
  • Page 159 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 until the foregoing switch is turned off. If the foregoing two switches are turned on concurrently, the emergent shutdown switch shall have preference. 3.5 General display data entries 1) General display data is displayed in all display pages.
  • Page 160 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz  Indoor temperature display: display range: 00~99° C. The indoor temperature is displayed concurrently. If the temperature is higher than 99° C, 99° C will be displayed. If the temperature value is invalid, ‘--‘ will be displayed.
  • Page 161 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 3) LCD display description  Description of the standby page The LCD displays the standby page, 60 air conditioners are in service, of which 28 are powered on and 32 off.
  • Page 162 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz supply, swing on, indoor temperature 22° C, setting temperature 20° C and cooling mode locked. In the matrix, only the big and small black dots at (00, 00+) and (01, 00+) are luminous.
  • Page 163 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 The centralized controller communicates with the computer normally. Fault code table: Fault code Fault content Other faults Outdoor unit fault protection Over-current of compressor (4 times) Fault of communication between main board and display board...
  • Page 164 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz units. Centralized controller should be connected with the main PCB board of the indoor unit through network interface module, which is named as MD-NIM01. 1) The installation of network interface module Outlook of MD-NIM01 The first green lighter: Ready indicator.
  • Page 165 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 Connect the network interface module with the port CN22 in the main PCB board of indoor unit through the signal wire, which is as the attachment of the module. Fix the network interface module on the wall near the indoor unit. And set the different address of the indoor unit.
  • Page 166 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz 3) The wire connection...
  • Page 167 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz MCAC-RTT5T-201707 4) System wiring instruction  Wiring diagram of building network air conditioning system Wiring diagram with good communication effect...
  • Page 168 MCAC-RTT5T-201707 Midea R410A Tropical ClimaCreator Series Rooftop Package 50Hz Wiring diagram with poor communication effect (not recommended because it may lead to poor communication  System wiring diagram of centralized monitoring and indoor unit of air conditioner Both of the following wiring modes of centralized monitor and indoor unit are applicable: (Quantity of indoor units connected with each centralized monitor is less than or equal to 64).

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