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Mitsubishi Electric R410A Technical Manual
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Mitsubishi Electric R410A Technical Manual

Mitsubishi Electric R410A Technical Manual

R410a tropical split type ac
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R410A Tropical Split Type AC Technical Manual
Indoor Unit

Content

Part 1 General Information ............................................ 2
Part 2 Indoor Units ......................................................... 6
Part 3 Outdoor Units .................................................... 88
Part 4 Installation ....................................................... 120
Part 5 Control ............................................................. 154
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Summary of Contents for Mitsubishi Electric R410A

  • Page 1 R410A Tropical Split Type AC Technical Manual Content Content Part 1 General Information ..........2 Part 2 Indoor Units ............6 Part 3 Outdoor Units ............ 88 Part 4 Installation ............120 Part 5 Control ............. 154 Indoor Unit...

  • Page 2: Part 1 General Information

    General Information R410A Tropical Split Type AC Technical Manual Part 1 General Information 1. Model Names of Indoor/Outdoor Units ......3 2. External Appearance ............4 3. Nomenclature ..............5 General Information...
  • Page 3 R410A Tropical Split Type Technical Manual Model Names of Indoor / Outdoor Units 1. Model Names of Indoor/Outdoor Units 1.1 Model Names of Units with Cooling only: Indoor unit Outdoor unit Capacity Type Power Power Model Model Btu/h supply supply...

  • Page 4: External Appearance

    External Appearance R410A Tropical Split Type Technical Manual 2. External Appearance 2.1 Indoor Units MTA-76C(H)RN1 MFA-76C(H)RN1 MTA-96C(H)RN1 MFA-96C(H)RN1 MTA-120CRN1＼MTA-120HRN1 MTA-150CRN1 2.2 Outdoor Unit MOV-76C(H)N1-C MOV-96C(H)N1-C MOV-120C(H)N1-C MOV-150C(H)N1-C (MOV-76C(H)N1-C*2) General Information...
  • Page 5 R410A Tropical Split Type Technical Manual Nomenclature 3. Nomenclature 3.1 Indoor unit: M T A – 76 C R N1 None：R22；N1：R410a R：Remote Controller Function Code: C: Cooling H: Cooling and Heating Cooling Capacity (*76 kBtu/h) Product Series A: 1 time design...

  • Page 6: Part 2 Indoor Units

    Indoor Units R410A Tropical Split Type Technical Manual Part 2 Indoor Units Duct Type................. 7 Floor-standing Type ............. 58 Indoor Units...
  • Page 7 R410A Tropical Split Type Technical Manual Duct Type Duct Type 1. Features ................8 2. Specifications ..............9 3. Dimensions ............... 12 4. Service Space ..............13 5. Piping Diagrams ............... 15 6. Wiring Diagrams ............... 15 7.Capacity Table ..............20 8.
  • Page 8 Features R410A Tropical Split Type Technical Manual 1. Features 1. Nested in the ceiling, space-saving and noble. 2. High capacity of cooling/heating, efficient, and energy-saving. 3. The air outlet is laid out according to you desire. 4. Economic and convenient installation 1) Several diffusers branch off from an indoor unit, adjusting the room temperature, which makes many rooms to be air-conditioned with only one indoor unit.

  • Page 9: Specifications

    R410A Tropical Split Type Technical Manual Specifications 2. Specifications Model MTA-76CRN1 MTA-76HRN1 MTA-96CRN1 MTA-96HRN1 Power supply 220~240V-1Ph-50Hz 220~240V-1Ph-50Hz Temp. setting range ℃ ≥17 ≤30 ≥17 ≤30 Rated input power 11700 11700 14400 14400 Rated current 19.3 19.3 23.7 23.7 Btu/h...
  • Page 10 Specifications R410A Tropical Split Type Technical Manual Model MTA-120CRN1 MTA-120HRN1 MTA-150CRN1 MTA-150CRN1 220~240V-1Ph-50Hz Power supply 220~240V-1Ph-50Hz Temp. setting range ℃ ≥17 ≤30 ≥17 ≤30 Rated input power 17300 17300 21200 21200 Rated current 28.6 28.6 120000 120000 Btu/h 150000 150000...
  • Page 11 R410A Tropical Split Type Technical Manual Specifications Model MHB-76CRN1 MHB-76HRN1 MHB-96CRN1 MHB-96HRN1 Power supply 220~240V-1Ph-50Hz 220~240V-1Ph-50Hz Temp. setting range ℃ ≥17 ≤30 ≥17 ≤30 Rated input power 11700 11700 14400 14400 Rated current 19.3 19.3 23.7 23.7 Btu/h 76000 76000...
  • Page 12 Dimensions R410A Tropical Split Type Technical Manual 3. Dimensions 3.1 Duct type units with two air outlets： Air inlet side Model A (mm) B (mm) C(mm) E(mm) F(mm) W (mm) H (mm) D (mm) MTA-76CRN1 1180 1350 MTA-76HRN1 MTA-96CRN1 1180...
  • Page 13 R410A Tropical Split Type Technical Manual Dimensions 3.2 Duct type units with three air outlets： Air inlet side Model B (mm) C(mm) E(mm) F(mm) W (mm) H (mm) D (mm) MTA-120CRN1 794.5 1895 1970 MTA-120HRN1 MTA-150CRN1 794.5 1895 1970 Duct Type...

  • Page 14: Service Space

    Dimensions R410A Tropical Split Type Technical Manual 4. Service Space Electric control box Inspection hole Inspection hole Top view Side view Canvas adapter Muffle Air outlet Muffle Air inlet Inspection hole Air filter Air duct system Duct Type...

  • Page 15: Refrigerant Cycle Diagram

    R410A Tropical Split Type Technical Manual Service Space 5. Refrigerant cycle diagram 5.1 Cooling only: MTA-76CRN1, MTA-96CRN1, MTA-120CR N1, MTA-150CR N1 MHB-76CRN1, MHB-96CRN1 Outdoor heat-exchanger Cooling HP Switch Indoor unit Discharge temp. sensor LP Switch Compressor Indoor heat-exchanger Liquid-gas seperator 5.2 Cooling and heating: MTA-76HRN1, MTA-96HRN1, MTA-120HRN1...

  • Page 16: Wiring Diagrams

    Wiring Diagrams R410A Tropical Split Type Technical Manual 6. Wiring Diagrams 6.1 MTA-76CRN1, MTA-96CRN1, MHB-76CRN1, MHB-96CRN1 TO WIRE CONTROLLER CN11 CN10 CN15 MAIN CONTROL BOARD CN20 BLUE WHITE HIGH SLOW BLACK BLUE BLACK WHITE N-LINE WHITE WHITE WHITE WHITE (GRAY)
  • Page 17 R410A Tropical Split Type Technical Manual Wiring Diagrams MTA-120CRN1, MTA-150CRN1 TO WIRE CONTROLLER CN11 CN10 CN15 MAIN CONTROL BOARD CN20 WHITE BLUE HIGH SLOW WHITE WHITE BLUE BLACK BLUE WHITE WHITE WHITE WHITE WHITE (GRAY) WHITE (GRAY) (GRAY) INDOOR POWER...
  • Page 18 Wiring Diagrams R410A Tropical Split Type Technical Manual 6.2 MTA-76HRN1, MTA-96HRN1, MHB-76HRN1, MHB-96HRN1 TO WIRE CONTROLLER CN11 CN10 CN15 MAIN CONTROL BOARD CN20 BLUE WHITE HIGH WHITE SLOW BLACK YELLOW BLUE BLACK WHITE N-LINE BLACK WHITE WHITE WHITE WHITE (GRAY)
  • Page 19 R410A Tropical Split Type Technical Manual Wiring Diagrams MTA-120HRN1 TO WIRE CONTROLLER CN11 CN10 CN15 MAIN CONTROL BOARD CN20 WHITE BLUE HIGH SLOW WHITE WHITE BLUE BLACK BLUE WHITE WHITE WHITE WHITE WHITE (GRAY) WHITE (GRAY) (GRAY) INDOOR POWER TO OUTDOOR...

  • Page 20: Capacity Table

    7. Capacity Table 7.1 Cooling: 7.1.1 MTA-76CRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 19.5 15.2 6.56 21.9 12.4 6.76 23.3 6.89 18.7 15.3 6.99 20.8 11.7 7.22 22.0 7.36 26.7 20.2...
  • Page 21 Gross Cooling Capacity (kW) Outdoor DB(°C) 40.60 46.10 51.70 22.80 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 DB(°C) 23.9 17.3 14.2 7.94 18.9 10.7 8.18 20.1 4.6 8.33 15.8 13.0 8.13 17.3 9.8 8.39 18.5 8.64 15.5 12.7 8.51 16.8 8.87 17.9 9.12 26.7 17.6 16.0 7.96 19.2 12.5 8.20 20.5...
  • Page 22 7.1.2 MTA-76HRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 19.2 15.0 6.38 21.6 12.2 6.58 23.0 6.71 18.4 15.1 6.81 20.5 11.6 7.04 21.7 7.18 26.7 19.9 17.2 6.40 22.1 14.3 6.60...
  • Page 23 Gross Cooling Capacity (kW) Outdoor DB(°C) 40.60 46.10 51.70 22.80 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 DB(°C) 23.9 17.2 14.1 8.01 18.7 10.6 8.25 20.0 4.6 8.40 15.7 12.9 8.20 17.2 9.7 8.46 18.4 8.71 15.2 12.5 8.76 16.5 9.12 17.6 9.37 26.7 17.5 15.9 8.03 19.1 12.4 8.27 20.4...
  • Page 24 7.1.3 MTA-96CRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 25.3 19.8 8.50 27.8 15.7 8.70 29.2 8.83 24.6 20.2 8.93 26.6 15.1 9.16 27.9 9.30 26.7 26.2 22.6 8.52 28.4 18.4 8.72...
  • Page 25 Gross Cooling Capacity (kW) 40.60 46.10 51.70 Outdoor DB(°C) 22.80 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 Indoor WB(°C) DB(°C) 23.9 22.0 18.0 10.63 23.6 13.3 10.87 24.8 5.7 11.02 20.5 16.8 10.82 22.0 12.4 11.08 23.2 5.4 11.33 20.0 16.4 11.42 21.3 12.0 11.78 22.4 5.2 12.03 26.7 22.4 20.4 10.66 24.0 15.6 10.90 25.3 10.9 11.05 20.9 19.0 10.85 22.4 14.5 11.11 23.6 10.2 11.36 20.4 18.6 11.45 21.7 14.1 11.81 22.8 9.8 12.06...
  • Page 26 7.1.4 MTA-96HRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 24.9 19.4 8.47 27.4 15.5 8.67 28.8 8.80 24.2 19.8 8.90 26.2 14.8 9.13 27.5 9.27 26.7 25.8 22.2 8.49 27.9 18.1 8.69...
  • Page 27 Gross Cooling Capacity (kW) 40.60 46.10 51.70 Outdoor DB(°C) 22.80 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 Indoor WB(°C) DB(°C) 23.9 22.0 18.0 10.83 23.5 13.3 11.07 24.8 5.7 11.22 20.5 16.8 11.02 22.0 12.4 11.28 23.1 5.3 11.53 19.4 15.9 11.52 20.7 11.7 11.88 21.8 5.0 12.13 26.7 22.4 20.4 10.86 24.0 15.5 11.10 25.3 10.9 11.25 20.9 19.0 11.05 22.4 14.5 11.31 23.6 10.2 11.56 19.8 18.0 11.55 21.1 13.7 11.91 22.2 9.6 12.16...
  • Page 28 7.1.5 MTA-120CRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 32.0 25.0 10.99 34.6 19.5 11.19 36.0 11.32 31.4 25.7 11.42 33.4 18.9 11.65 34.7 11.79 26.7 33.1 28.5 11.02 35.3 22.8 11.22...
  • Page 29 Gross Cooling Capacity (kW) Outdoor DB(°C) 40.60 46.10 51.70 22.80 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 DB(°C) 23.9 23.9 28.3 23.2 12.33 29.9 16.9 12.57 31.1 7.2 12.72 26.8 22.0 12.52 28.3 16.0 12.78 29.5 6.8 13.03 26.5 21.8 14.01 27.8 15.7 14.37 28.9 26.7 26.7 28.9 26.2 12.36 30.5 19.7 12.60 31.8 13.7 12.75 27.4 24.9 12.55 28.9 18.7 12.81 30.1 13.0 13.06 27.1 24.6 14.05 28.4 18.4 14.41 29.5 12.7 3200 29.4 29.4 29.4 28.3 12.39 31.1 25.5 12.63 32.4 19.3 12.78 27.9 26.8 12.58 29.4 24.1 12.84 30.7 18.3 13.09 27.6 26.6 14.09 28.9 23.7 14.45 30.1 17.9...
  • Page 30 7.1.6 MTA-120HR Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 31.8 24.8 10.87 34.4 19.4 11.07 35.8 11.20 31.2 25.6 11.30 33.2 18.8 11.53 34.5 11.67 26.7 32.9 28.4 10.90 35.1 22.7 11.10...
  • Page 31 Gross Cooling Capacity (kW) 40.60 46.10 51.70 Outdoor DB(°C) 22.80 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 Indoor WB(°C) DB(°C) 23.9 23.9 28.0 22.9 12.73 29.5 16.7 12.97 30.8 7.1 13.12 26.5 21.7 12.92 28.0 15.8 13.18 29.2 6.7 13.43 26.2 21.4 14.72 27.4 15.5 15.08 28.5 26.7 26.7 28.5 25.9 12.76 30.1 19.5 13.00 31.4 13.6 13.15 27.0 24.6 12.95 28.5 18.5 13.21 29.7 12.8 13.46 26.7 24.3 14.76 28.0 18.1 15.12 29.1 12.5 3200 29.4 29.4 29.1 28.0 12.79 30.7 25.2 13.03 32.1 19.1 13.18 27.6 26.5 12.98 29.1 23.9 13.24 30.3 18.1 13.49 27.2 26.2 14.80 28.5 23.4 15.16 29.7 17.7...
  • Page 32 7.1.7 MTA-150CRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 41.0 32.0 14.20 43.7 24.7 14.40 45.1 10.4 14.53 40.5 33.2 14.63 42.5 24.0 14.86 43.8 10.1 15.00 26.7 42.4 36.6 14.24 44.6...
  • Page 33 Gross Cooling Capacity (kW) Outdoor DB(°C) 40.60 46.10 51.70 22.80 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 DB(°C) 23.9 36.4 29.8 17.07 37.9 21.4 17.31 39.2 9.1 17.46 34.9 28.6 17.26 36.4 20.5 17.52 37.5 8.7 17.77 34.4 28.2 18.43 35.7 20.2 18.79 36.8 8.5 19.04 26.7 37.1 33.7 17.11 38.7 25.1 17.35 40.0 17.2 17.50 35.6 32.3 17.30 37.1 24.0 17.56 38.3 16.5 17.81 35.1 31.9 18.48 36.4 23.6 18.84 37.5 16.2 19.09 4000...
  • Page 35 R410A Tropical Split Type Technical Manual Static Pressure 8. Air flow rate- Static pressure curve MTA-76（H）CRN1 MTA-96（H）CRN1 MTA-120（H）CRN1 Duct Type...
  • Page 36 Static Pressure Tropical Split Type Technical Manual MTA-150（H）CRN1 MHB-76（H）CRN1 MHB-96（H）CRN1 Duct Type...

  • Page 37: Electric Characteristics

    R410A Tropical Split Type Technical Manual Electric Characteristics 9. Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. MTA-76CRN1 220-240 7.53 1.341 6.02 MTA-76HRN1 220-240 7.53 1.341 6.02 MTA-96CRN1 220-240 1.605 7.28 MTA-96HRN1 220-240 1.605 7.28 MTA-120CRN1 220-240 11.19 2.03...

  • Page 38: Sound Levels

    Sound Levels R410A Tropical Split Type Technical Manual 10. Sound Levels Concealed Duct Type Duct Discharge Suction 1.4m Microphone Unit Number Model Noise level under three speeds of fan (dB(A)) MTA-76C(H)RN1 MTA-96C(H)RN1 MTA-120C(H)RN1 MTA-150C(H)RN1 MHB-76C(H)RN1 MHB-96C(H)RN1 Duct Type...
  • Page 39 R410A Tropical Split Type Technical Manual Exploded View 11. Exploded View 11.1 MTA-76CRN1 Part Name BOM Code Part Name BOM Code Evaporator Sealed board 201286900317 13.4 Transformer 202300900093 Side board ass'y 201286900316 13.5 Wire joint, 7p 202301450056 Drainage pan ass'y 201285000677 13.6...
  • Page 40 Exploded View R410A Tropical Split Type Technical Manual 11.2 MTA-76HRN1 Part Name BOM Code Part Name BOM Code Evaporator Sealed board 201286900317 13.4 Transformer 202300900093 Side board ass'y 201286900316 13.5 Wire joint, 7p 202301450056 Drainage pan ass'y 201285000677 13.6 Wire joint...
  • Page 41 R410A Tropical Split Type Technical Manual Exploded View 11.3 MTA-96CRN1 Part Name BOM Code Part Name BOM Code Evaporator Sealed board 201286900317 13.4 Transformer 202300900093 Side board ass'y 201286900316 13.5 Wire joint, 7p 202301450056 Drainage pan ass'y 201285000677 13.6 Wire joint...
  • Page 42 Exploded View R410A Tropical Split Type Technical Manual 11.4 MTA-96HRN1 Part Name BOM Code Part Name BOM Code Evaporator Sealed board 201286900317 13.4 Transformer 202300900093 Side board ass'y 201286900316 13.5 Wire joint, 7p 202301450056 Drainage pan ass'y 201285000677 13.6 Wire joint...
  • Page 43 R410A Tropical Split Type Technical Manual Exploded View 11.5 MTA-120CRN1 Part Name BOM Code Part Name BOM Code Components of Evaporator ass'y 201570990082 electronic control box 201270600180 cover Evaporator 201570990083 Front panel ass'y 201286910001 Inlet pipe ass'y of 201670990108 Capacitor box...
  • Page 44 Exploded View R410A Tropical Split Type Technical Manual 11.6 MTA-120HRN1 Part Name BOM Code Part Name BOM Code Components of electronic Evaporator ass'y 201570990082 201270600180 control box cover Evaporator 201570990083 Front panel ass'y 201286910001 Inlet pipe ass'y of 201670990108 Capacitor box...
  • Page 45 R410A Tropical Split Type Technical Manual Exploded View 11.7 MTA-150CRN1 Part Name BOM Code Part Name BOM Code evaportator ass'y 201570990081 Wire joint, 7p 202301450056 Evaporator 201586900502 Wire joint 202301450122 Components of electronic Evaporator 201586900504 201270600180 control box cover Evaporator...
  • Page 46 Exploded View R410A Tropical Split Type Technical Manual 11.8 MHB-76CRN1 Part Name BOM Code Part Name BOM Code Evaporator Sealed board 201286900317 13.4 Transformer 202300900093 Side board ass'y 201286900316 13.5 Wire joint, 7p 202301450056 Drainage pan ass'y 201285000677 13.6 Wire joint...
  • Page 47 R410A Tropical Split Type Technical Manual Exploded View 11.9 MHB-76HRN1 Part Name BOM Code Part Name BOM Code Evaporator Sealed board 201286900317 13.4 Transformer 202300900093 Side board ass'y 201286900316 13.5 Wire joint, 7p 202301450056 Drainage pan ass'y 201285000677 13.6 Wire joint...
  • Page 48 Exploded View R410A Tropical Split Type Technical Manual 11.10 MHB-96CRN1 Part Name BOM Code Part Name BOM Code Evaporator Sealed board 201286900317 13.4 Transformer 202300900093 Side board ass'y 201286900316 13.5 Wire joint, 7p 202301450056 Drainage pan ass'y 201285000677 13.6 Wire joint...
  • Page 49 R410A Tropical Split Type Technical Manual Exploded View 11.11 MHB-96HRN1 Part Name BOM Code Part Name BOM Code Evaporator Sealed board 201286900317 13.4 Transformer 202300900093 Side board ass'y 201286900316 13.5 Wire joint, 7p 202301450056 Drainage pan ass'y 201285000677 13.6 Wire joint...

  • Page 50: Troubleshooting

    Troubleshooting R410A Tropical Split Type Technical Manual 12. Troubleshooting Infrared signal receiver Manual Switch Operation lamp Timer lamp Alarm lamp PRE-DEF lamp(cooling and heating type) or fan only lamp(cooling only type) Type OPT. TME. DEF. ALARM Remarks Light Light Light Light Room temp.
  • Page 51 R410A Tropical Split Type Technical Manual Troubleshooting If the air conditioner fails and does not meet the above phenomena, check the system as the following table: Symptoms Causes Handling methods Power supply fails. Operate after power resumes. Power switch is not connected.
  • Page 52 Troubleshooting R410A Tropical Split Type Technical Manual Symptoms Causes Handling methods When the “AUTO” mode is selected, the Check whether the mode marked on the unit will change the fan speed screen is “AUTO”. automatically. The fan speed When the “DEWET” mode is selected,...
  • Page 53 R410A Tropical Split Type Technical Manual Troubleshooting Operation lamp flashes: All lamps flashing at 5Hz Judge 1: The PRO terminal on PCB of indoor unit without connecting to grounding wire Validate: Check whether the PRO terminal on PCB of indoor Connect it to grounding wire.
  • Page 54 Troubleshooting R410A Tropical Split Type Technical Manual Operation lamp flashes: Timer lamp flashing at 5Hz Room temperature sensor malfunction Judge 1: Check the room temperature sensor Connects it well. Is break off. Judge 2: Check the room temperature sensor is abnormal.
  • Page 55 R410A Tropical Split Type Technical Manual Troubleshooting Operation lamp flashes: Operation lamp flashing at 5Hz Evaporate temperature sensor is abnormal. Judge 1: Check evaporate temperature sensor is break off. Replace temperature sensor Judge 2: Evaporate temperature sensor is abnormal. Validate: Check whether the resistance of the room Replace temperature sensor temperature sensor is correct according to Annex 1.
  • Page 56 Troubleshooting R410A Tropical Split Type Technical Manual Operation lamp flashes: Defrosting lamp flashing at 5Hz Condenser temperature sensor malfunction Replace temperature sensor Judge 1: Check condenser temperature sensor is break off. Judge 2: Condenser temperature sensor is abnormal. Validate: Check whether the resistance of the condenser Replace temperature sensor temperature sensor is correct according to Annex 1.
  • Page 57 R410A Tropical Split Type Technical Manual Accessories 13. Accessories Name Qty. Shape Usage Owner’s manual Installation manual Remote controller manual Water pipe Connect to water drainage pipe Display board subassembly Connect to control signal Protective sleeve for refrigerant inlet and...
  • Page 58 Floor-standing Type R410A Tropical Split Type Technical Manual Floor-standing Type 1. Features ................59 2. Specifications ..............60 3. Dimensions ............... 61 4. Service Space ..............62 5. Refrigerant Cycle Diagram..........63 6. Wiring Diagrams ............... 64 7. Capacity Tables ..............66 8.
  • Page 59 R410A Tropical Split Type Technical Manual Features 1. Features 1. The appearance is novel, luxurious, refined. 2. High capacity of cooling/heating, efficient, and energy-saving. 3. Adopt advanced and high efficient scroll compressor, wide angle and long distance air supply. 4. Remote control standard, screen control optional.
  • Page 60 Specifications R410A Tropical Split Type Technical Manual 2. Specifications Model MFA-76CRN1 MFA-76HRN1 MFA-96CRN1 MFA-96HRN1 Power supply 220~240V-1Ph-50Hz 220~240V-1Ph-50Hz Temp. setting range ℃ ≥17 ≤30 ≥17 ≤30 Rated input power 11700 11700 14400 14400 Rated current 19.3 19.3 23.7 23.7 Btu/h...
  • Page 61 R410A Tropical Split Type Technical Manual Service Space 3. Dimensions Foot screw Model A (mm) B (mm) W (mm) H (mm) D (mm) MFA-76CRN1 1200 1860 MFA-76HRN1 MFA-96CRN1 1200 1860 MFA-96HRN1 Floor-standing Type...
  • Page 62 Specifications R410A Tropical Split Type Technical Manual 4. Service Space Front view Rear 30 cm No obstacle in front of it Top view Floor-standing Type...
  • Page 63 R410A Tropical Split Type Technical Manual Service Space 5. Refrigerant cycle diagram 5.1 Cooling only: MFA-76CR, MFA-96CR Outdoor heat-exchanger Cooling HP Switch Indoor unit Discharge temp. sensor LP Switch Compressor Indoor heat-exchanger Liquid-gas seperator 5.2 Cooling and heating: MFA-76HR, MFA-96HR...
  • Page 64 Wiring Diagrams R410A Tropical Split Type Technical Manual 6. Wiring Diagrams 6.1 MFA-76CR, MFA-96CR Item Name Item Name Item Name CAP1 Fan capacitance Room temp. sensor XS1-3 Connector plugs Indoor fan Pipe temp. sensor Swing motor XT1-3 Connector Fan aided control board...
  • Page 65 R410A Tropical Split Type Technical Manual Wiring Diagrams 6.2 MFA-76HR, MFA-96HR Item Name Item Name Item Name CAP1 Fan capacitance Room temp. sensor XS1-3 Connector plugs Indoor fan Pipe temp. sensor Swing motor XT1-3 Connector Fan aided control board Transformer...

  • Page 66: Capacity Tables

    7. Capacity Tables 7.1 Cooling: 7.1.1 MFA-76CRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 20.1 16.5 6.48 22.1 12.5 6.68 23.5 6.81 19.3 15.8 6.91 21.0 11.8 7.14 22.2 7.28 26.7 20.8...
  • Page 67 Gross Cooling Capacity (kW) Outdoor DB(°C 40.60 46.10 51.70 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 17.5 14.4 8.07 19.1 10.8 8.31 20.4 4.7 8.46 16.0 13.1 8.26 17.5 9.9 8.52 18.7 4.3 8.77 15.1 12.4 8.83 16.4 9.19 17.5 9.44 26.7...
  • Page 68 7.1.2 MFA-76HRN1 Gross Cooling Capacity (kW) 29.40 35.00 Outdoor DB(°C) Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 19.6 16.1 6.38 21.6 12.2 6.58 23.0 6.71 18.8 15.4 6.81 20.5 11.6 7.04 21.7 7.18 26.7 20.3 18.4 6.40 22.1 14.3 6.60...
  • Page 69 Gross Cooling Capacity (kW) Outdoor DB(°C) 40.60 46.10 51.70 22.80 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 DB(°C) 23.9 17.1 14.0 8.16 18.7 10.5 8.40 19.9 8.55 15.6 12.8 8.35 17.1 8.61 18.3 8.86 14.8 12.1 9.16 16.0 9.52 17.1 9.77 26.7...
  • Page 70 7.1.3 MFA-96CRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 16.10 19.40 22.80 16.10 19.40 22.80 Indoor WB(°C) DB(°C) 23.9 25.9 21.2 8.71 28.0 15.8 8.91 29.4 9.04 25.2 20.6 9.14 26.8 15.2 9.37 28.1 9.51 26.7 26.8 24.3 8.73 28.6 18.5 8.93...
  • Page 71 Gross Cooling Capacity (kW) Outdoor DB(°C) 40.60 46.10 51.70 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 22.3 18.3 10.40 23.9 13.5 10.64 25.1 5.8 10.79 20.8 17.1 10.59 22.3 12.6 10.85 23.5 5.4 11.10 20.5 16.8 11.62 21.8 12.3 11.98 22.9 5.3 12.23 26.7 22.7 20.7 10.43 24.3 15.8 10.67 25.6 11.0 10.82 21.2 19.3 10.62 22.7 14.7 10.88 23.9 10.3 11.13 20.9 19.0 11.65 22.2 14.4 12.01 23.3 10.1 12.26...
  • Page 72 7.1.4 MFA-96HRN1 Gross Cooling Capacity (kW) Outdoor DB(°C) 29.40 35.00 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 25.4 20.8 8.48 27.5 15.6 8.68 28.9 8.81 24.7 20.2 8.91 26.4 14.9 9.14 27.6 9.28 26.7 26.3 23.9 8.50 28.1 18.2 8.70...
  • Page 73 Gross Cooling Capacity (kW) Outdoor DB(°C) 40.60 46.10 51.70 Indoor WB(°C) 16.10 19.40 22.80 16.10 19.40 22.80 16.10 19.40 22.80 DB(°C) 23.9 21.7 17.8 10.56 23.3 13.1 10.80 24.5 5.7 10.95 20.2 16.6 10.75 21.7 12.3 11.01 22.9 5.3 11.26 20.2 16.6 11.83 21.5 12.2 12.19 22.6 5.2 12.44 26.7 22.1 20.1 10.59 23.7 15.4 10.83 25.0 10.8 10.98 20.6 18.7 10.78 22.1 14.3 11.04 23.3 10.1 11.29 20.6 18.8 11.86 21.9 14.2 12.22 23.0...
  • Page 75 R410A Tropical Split Type Technical Manual Electric Characteristics 8. Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. MFA-76CRN1 220-240 0.59 2.773 MFA-76HRN1 220-240 0.59 2.773 MFA-96CRN1 220-240 0.59 2.773 MFA-96HRN1 220-240 0.59 2.773 Note : MCA: Min. Current Amps. (A) MFA: Max.
  • Page 76 Sound Levels Tropical Split Type Technical Manual 9. Sound Levels Microphone Unit Number Model Noise level under three speeds of fan (dB(A)) MFA-76C(H)RN1 MFA-96(H)RN1 Floor-standing Type...

  • Page 77: Exploded View

    R410A Tropical Split Type Technical Manual Exploded View 10. Exploded View 10.1 MFA-76CRN1 Floor-standing Type...
  • Page 78 Exploded View R410A Tropical Split Type Technical Manual Part Name BOM Code Part Name BOM Code Partition board ass'y 201286900018 28.7 Wire joint 202301450133 Fixing board ass'y 201286900017 E-part box cover 201243900000 Volute shell ass'y 201286900019 Base ass'y 201243900005 Motor up cover...
  • Page 79 R410A Tropical Split Type Technical Manual Exploded View 10.2 MFA-76HRN1 Floor-standing Type...
  • Page 80 Exploded View R410A Tropical Split Type Technical Manual Part Name BOM Code Part Name BOM Code Partition board ass'y 201286900018 28.7 Wire joint 202301450133 Fixing board ass'y 201286900017 E-part box cover 201243900000 Volute shell ass'y 201286900019 Base ass'y 201243900005 Motor up cover...
  • Page 81 R410A Tropical Split Type Technical Manual Exploded View 10.3 MFA-96CRN1 Floor-standing Type...
  • Page 82 Exploded View R410A Tropical Split Type Technical Manual Part Name BOM Code Part Name BOM Code Partition board ass'y 201286900018 E-part box cover 201243900000 Fixing board ass'y 201286900017 Base ass'y 201243900005 Volute shell ass'y 201286900019 Waterproof boad ass'y 201286900031 Motor up cover...
  • Page 83 R410A Tropical Split Type Technical Manual Exploded View 10.4 MFA-96HRN1 Floor-standing Type...
  • Page 84 Exploded View R410A Tropical Split Type Technical Manual Part Name BOM Code Part Name BOM Code Partition board ass'y 201286900018 E-part box cover 201243900000 Fixing board ass'y 201286900017 Base ass'y 201243900005 Volute shell ass'y 201286900019 Waterproof boad ass'y 201286900031 Motor up cover...
  • Page 85 R410A Tropical Split Type Technical Manual Troubleshooting 11. Troubleshooting Type Code Remarks EEPROM error Manual reset Room temp. sensor error Manual reset Evaporator temp. sensor error Manual reset Evaporator temp. too low protection in cooling mode Auto reset Evaporator temp. too high protection in heating mode...
  • Page 86 Troubleshooting R410A Tropical Split Type Technical Manual 11.1 E1 malfunction LED indicate E1 Fault of indoor temperature sensor T1 Judge 1: Whether the indoor temperature Connects it well. sensor T1 is break off. Judge 2: Whether the indoor temperature sensor T1 is malfunction.
  • Page 87 R410A Tropical Split Type Technical Manual Troubleshooting 11.2 E2 malfunction LED indicate E2 Fault of indoor temperature sensor T2 Judge 1: Whether the indoor temperature Connects it well. sensor T2 is break off. Judge 2: Whether the indoor temperature sensor T2 is malfunction.
  • Page 88 Troubleshooting R410A Tropical Split Type Technical Manual 11.3 P1 malfunction LED indicate P1 Under heating mode, T2 is on high temperature protection Judge 1: Check whether the evaporator temperature Connect it well. sensor T2 is break off. Judge 2: Whether the evaporator temperature sensor is malfunction.
  • Page 89 R410A Tropical Split Type Technical Manual Troubleshooting 11.4 P2 malfunction LED indicate P2 Under cooling mode, T2 is on low temperature protection Judge 1: Check whether the evaporator temperature sensor T2 is break off. Connects it well. Judge 2: Whether the evaporator temperature sensor is malfunction.
  • Page 90 Troubleshooting R410A Tropical Split Type Technical Manual 12. Accessories Name Qty. Shape Usage Owner’s manual Installation manual Remote controller manual Water pipe Connect to water drainage pipe Remote controller Remote controller mounting bracket Placed the remote controller AAA battery Floor-standing Type...

  • Page 92: Part 3 Outdoor Units

    R410A Tropical Split Type Technical Manual Outdoor Units Part 3 Outdoor Units 1. Specifications ..............89 2. Dimension ................. 91 3. Service Space ..............92 4. Wiring Diagrams ............... 94 5. Electric Characteristics ............ 97 6. Operation Limits ............... 98 7.
  • Page 93 R410A Tropical Split Type Technical Manual Specifications 1. Specifications Model MOV-76CN1-C MOV-76HN1-C MOV-96CN1-C MOV-96HN1-C Power supply 380~415V-3N-50Hz 380~415V-3N-50Hz Ambient temp range ℃ 17~52 -7～52 17~52 -7～52 Rated input 11700 11700 14400 14400 Rated current 19.3 19.3 23.7 23.7 Noise level...
  • Page 94 R410A Tropical Split Type Technical Manual Specifications Model MOV-120CN1-C MOV-120HN1-C Power supply 380~400V-3N-50Hz Ambient temp range ℃ 17~52 -7～52 Rated input 17300 17300 Rated current 28.6 28.6 Noise level dB(A) Type scroll scroll Qty. Capacity Btu/h 118000 118000 Compressor Input...
  • Page 95 R410A Tropical Split Type Technical Manual Dimensions 2. Dimension 2.1 MOV-76CN1-C, MOV-76HN1-C, MOV-96CN1-C, MOV-96HN1-C MOV-120HN1-C, MOV-120CN1-C Unit: mm Outdoor Units...
  • Page 96 R410A Tropical Split Type Technical Manual Service Space 3. Service Space 3.1 MOV-76CN1-C, MOV-76HN1-C, MOV-96CN1-C, MOV-96HN1-C MOV-120HN1-C, MOV-120CN1-C Air outlet Air inlet Air inlet ≥1000 mm ≥500 mm ≥1000 mm ≥1000 mm ≥1000 mm Note: 1. In case any obstacles exist above the outdoor unit, such obstacles must be 2000mm above the outdoor unit.
  • Page 97 R410A Tropical Split Type Technical Manual Dimensions Foundation of the outdoor unit 15×20 rectangular hole ≥500 mm ≥500 mm M12 foundation bolt 4 screws for 1 unit Outdoor Units...
  • Page 98 4. Wiring Diagrams 4.1 MOV-76CN1-C, MOV-96CN1-C, MOV-120CN1-C Item Name Item Name Item Name Item Name COMP Compressor HEAT(A) Crank RT3A Pipe temp. sensor Transformer FAN1-2 Outdoor fan Current detector Room temp. sensor SW1-3 Switch CAP1-2 Fan capacitance XT1-2 4-way terminal XS1-5, XP1-5 Connectors Filter capacitor...
  • Page 99 4.2 MOV-76HN1-C, MOV-96HN1-C, MOV-120HN1-C Item Name Item Name Item Name Item Name COMP Compressor HEAT(A) Crank RT3A Pipe temp. sensor Transformer FAN1-2 Outdoor fan Current detector Room temp. sensor SW1-3 Switch CAP1-2 Fan capacitance XT1-2 4-way terminal XS1-5, XP1-5 Connectors C1-3 Filter capacitor 4-way valve...
  • Page 101 R410A Tropical Split Type Technical Manual Electric Characteristics 5. Electric Characteristics Outdoor Unit Power Supply Compressor Model Voltage Min. Max. TOCA MOV-76C-C 380-415V 342V 438V 17.5 48*2 6.3*2 0.573 2.613 MOV-76H-C 380-415V 342V 438V 17.5 48*2 6.3*2 0.573 2.613 MOV-96C-C...

  • Page 102: Operation Limits

    R410A Tropical Split Type Technical Manual Operation Limits 6. Operation Limits Temperature range for unit operation: Cooling mode Heating mode Item Model Outdoor Indoor Outdoor Indoor All model 17℃~52℃ -7℃~24℃ ≥17℃ ≤30℃ Heating Cooling Standard operation Standard operation Indoor air temperature ℃...
  • Page 103 R410A Tropical Split Type Technical Manual Sound Levels 7. Sound Levels Standard of testing F r o n t Note: H = (h+1) / 2 Unit Number Model Noise level (dB(A)) MOV-76C(H)N1-C MOV-96C(H)N1-C MOV-120C(H)N1-C Outdoor Units...
  • Page 104 R410A Tropical Split Type Technical Manual Exploded View 8. Exploded View 8.1 MOV-76CN1-C...
  • Page 105 R410A Tropical Split Type Technical Manual Exploded View Part Name BOM Code Part Name BOM Code Three-phase power top cover welding part 201275990072 12.12 202301600518 protection devices low pressure valve ass'y 201675990295 front-right support pillar 201275990070 Pipe joint 201601200004 asynchronism fan motor...
  • Page 106 R410A Tropical Split Type Technical Manual Exploded View 8.2 MOV-76HN1-C...
  • Page 107 R410A Tropical Split Type Technical Manual Exploded View Part Name BOM Code Part Name BOM Code top cover welding part 201275990072 12.9 Wire joint 202301450121 four-way valve ass'y 201675990299 12.10 Wire joint 202301450122 Pressure controller 202301820042 12.11 Wire joint 202301450130...
  • Page 108 R410A Tropical Split Type Technical Manual Exploded View 8.3 MOV-96CN1-C...
  • Page 109 R410A Tropical Split Type Technical Manual Exploded View Part Name BOM Code Part Name BOM Code Welding together pieces 201275990102 Front right column 201275990109 of roof Low-pressure valve 201675990276 Induction motor 202400400456 assembly Pipe joint 201601200004 Condenser components 201575990014 Cube Valve 201601601291 15.1...
  • Page 110 R410A Tropical Split Type Technical Manual Exploded View 8.4 MOV-96HN1-C...
  • Page 111 R410A Tropical Split Type Technical Manual Exploded View Part Name BOM Code Part Name BOM Code Welding together pieces 201275990102 12.8 Wire joint 202301450130 of roof Three-phase power Four-way valve assembly 201675990271 12.9 202301600518 protection devices Pressure controller 202301820042 12.10...
  • Page 112 R410A Tropical Split Type Technical Manual Exploded View 8.5 MOV-120CN1-C...
  • Page 113 R410A Tropical Split Type Technical Manual Exploded View Part Name BOM Code Part Name BOM Code Inlet pipe ass'y of The partition 201275990085 201675990367 condensor Electronic control box The air grille 201275990062 201275990065 cover Bottom mounting plate of Low pressure valve ass'y...
  • Page 114 R410A Tropical Split Type Technical Manual Exploded View 8.6 MOV-120HN1-C...
  • Page 115 R410A Tropical Split Type Technical Manual Exploded View Part Name BOM Code Part Name BOM Code Bottom mounting plate of The partition 201275990085 201275990079 electronic control box Outdoor electronic control The air grille 201275990062 203375990015 box components Welding together pieces 201275990102 22.1...
  • Page 116 R410A Tropical Split Type Technical Manual Troubleshooting 9. Troubleshooting Type LED1 LED2 Remarks Standby ☆ ☆ Cooling mode ◆ ◇ Heating mode ◆ ◆ Defrosting mode ◇ ◆ Phase sequence protection Manual reset ◆ ●★ Communication failure Manual reset ◆...
  • Page 117 R410A Tropical Split Type Technical Manual Troubleshooting Malfunctions: About the Fault of T3A or T3B, High pressure protection, low pressure protection. Please refer to the following: Fault of T3A or T3B Judge 1: Whether the sensor is break Connects it well.
  • Page 118 R410A Tropical Split Type Technical Manual Troubleshooting High pressure protection Judge 1: Whether the wiring between the high pressure switch Connect it well and main control board is connected well or correctly Judge 2: Whether the high pressure switch is broken...
  • Page 119 R410A Tropical Split Type Technical Manual Troubleshooting Low pressure protection Judge 1: The wiring between the low pressure switch and main control board is connected well or correctly Connect it well Judge 2: Whether the low pressure switch is broken...

  • Page 120: Table Of Contents

    R410A Tropical Split Type Technical Manual Troubleshooting Part 4 Installation 1. Note 2. Installation of Indoor Units .......... 122 3. Installation of Outdoor Units ........127 4. Heat Insulation of the Pipe .......... 136 5. Installation of Connective Pipe ........137 6.
  • Page 121 R410A Tropical Split Type Technical Manual Installation 1. Note CAUTION:  Install the unit where enough space of installation and maintenance is available.  Install the unit where the ceiling is horizontal and enough for bearing the weight of the indoor unit.

  • Page 122: Installation Of Indoor Units

    R410A Tropical Split Type Technical Manual Installation of Indoor Units 2. Installation of Indoor Units 2.1 Installation of Duct 2.1.1 Installation Space Ensure enough space required for installation and maintenance. (Fig-1 and Fig-2) Electric control box Inspection hole Inspection hole...
  • Page 123 R410A Tropical Split Type Technical Manual Installation of Indoor Units A. Wooden structure Put rectangular sticks across the beams, and set pendant bolts. (Fig-4) Fig-4 B. New concrete roughcast Use embedded bolts, embedded pulling plugs, and embedded stick harness. (Fig-5) Fig-5 C.
  • Page 124 R410A Tropical Split Type Technical Manual Installation of Indoor Units 2.1.3 Suspending the Indoor Unit Use a hoisting device to hoist the indoor unit, align it with the installation screw, adjust the horizontality and then tighten it. (Fig-8) Pendant bolt...
  • Page 125 R410A Tropical Split Type Technical Manual Installation of Indoor Units 2.2 Installation of Floor-standing 2.2.1 Installation Space For ensure the proper installation Select the enough solid and level sites. Ensure enough space required for installation and maintenance. (Fig-10and Fig-11) Fig-10...
  • Page 126 R410A Tropical Split Type Technical Manual Installation of Indoor Units Put down the air intake panel, before electric connection:  Uncover the screw-cap in the air intake panel, and then lessen the screws.  Take off the air intake panel; ensure which place secure enough will not make risk to the other people.

  • Page 127: Installation Of Outdoor Units

    R410A Tropical Split Type Technical Manual Installation of Outdoor Units 3. Installation of Outdoor Units 3.1 Important: Construction Checkpoints 1). Installation Check the model and name to avoid mistaken installation. 2). Refrigerant pipe  The refrigerant pipes must have the specified diameter.
  • Page 128 R410A Tropical Split Type Technical Manual Installation of Outdoor Units 3.2 Installation Space  When installing the unit, leave a space for maintenance shown in the following figure. Install the power supply at the side of the outdoor unit.  Ensure enough space for installation and maintenance. (Fig-14 and Fig-15)
  • Page 129 R410A Tropical Split Type Technical Manual Installation of Outdoor Units As shown in Fig-16, leave an interval of 500mm between the outdoor units. ≥500 mm ≥500 mm M12 foundation bolt 4 screws for 1 unit Fig-16 The distance of the foundation bolt is shown in Fig-17.
  • Page 130 R410A Tropical Split Type Technical Manual Installation of Outdoor Units 3.3 Convey Outdoor Unit  Use 4 steel ropes of a Ф6mm or bigger size to hoist the outdoor unit and convey it into the room.  In order to prevent scratch and deformity the outdoor unit, apply a guard board to the surface of contact between the steel ropes and the air conditioner.
  • Page 131 R410A Tropical Split Type Technical Manual Installation of Outdoor Units 3.5 Installation of Refrigerant Pipe  The refrigerant pipe adapter is located inside the outdoor unit. When the pipe is connected from the front side, the pipe can be let out through the right front board. (Fig-20 and Fig-21) So remove the left front board first.
  • Page 132 R410A Tropical Split Type Technical Manual Installation of Outdoor Units 3.5.1 Size of Outdoor Unit Pipes and Piping Methods 1) Size of outdoor unit pipes and piping methods Model Gas side Liquid side Φ9.52 MOV-76CN1-C Φ22 Φ9.52 MOV-76HN1-C Φ22 Φ9.52 MOV-96CN1-C Φ25...
  • Page 133 R410A Tropical Split Type Technical Manual Installation of Outdoor Units 3) Connection between indoor unit and outdoor unit (Fig-23) Signal wire Gas line Liquid line 76000, 96000, 120000 Btu/h Signal wire Gas line Liquid line 150000 Btu/h Fig-23 Installation...
  • Page 134  Use high-pressure nitrogen to clean the pipelines. Do not use the refrigerant of the outdoor unit for cleaning. 3.11 Refrigerant Leak Precautions This air conditioner uses refrigerant R410A. The R410A is safe refrigerant which is harmless and non-flammable. The room for placing the air conditioner should have a proper space. Even if refrigerant leakage occurs, the density threshold will not be crossed.
  • Page 135 R410A Tropical Split Type Technical Manual Installation of Outdoor Units Outdoor unit Room in which refrigerant is leaked (All refrigerant is leaked) Fig-24 b. Leakage detection alarm device linked with the mechanical ventilation device Indoor unit a. Ventilation orifice part...

  • Page 136: Heat Insulation Of The Pipe

    R410A Tropical Split Type Technical Manual Installation of Outdoor Units 4. Heat Insulation of the Pipe 4.1 Heat Insulation of the Pipe In order to prevent faults caused by condensate of the refrigerant pipe and drain pipe, perform condensate prevention and heat insulation properly.

  • Page 137: Installation Of Connective Pipe

    R410A Tropical Split Type Technical Manual Installation of Connective Pipe 5. Installation of Connective Pipe 5.1 Preparation before Installation Check the height difference between the indoor unit and the outdoor unit, and check the length and number of bends of the refrigerant pipeline, which must meet the following requirements: ...
  • Page 138 R410A Tropical Split Type Technical Manual Installation of Connective Pipe Fig-27 5.2.2 Deploy the pipelines  Drill a porthole on the wall, and put the hole sheath and hole cover through the wall.  Place the connective pipe together with the indoor & outdoor connection wires. Use wrapping tape to tie them tight.
  • Page 139 R410A Tropical Split Type Technical Manual Installation of Connective Pipe b. Pull the pipe into the rear flare of the connective nut. Fig-29  Tighten the nut Align with the connective pipe Screw up the connection pipe nut manually, and use a spanner to tighten it as shown in Fig-38...
  • Page 140 R410A Tropical Split Type Technical Manual Installation of Connective Pipe 5.3 Expelling Air 5.3.1. From the following table, select a method of expelling air. Table 4: Length of connective pipe Procedure of expelling air (single pass) Less than 5m Use refrigerant in the outdoor unit 5～15m...
  • Page 141 R410A Tropical Split Type Technical Manual Installation of Connective Pipe Manifold valve Multimeter manometer -76cmHg -handle Lo-handle Filler hose Filler hose Lo pressure valve Fig-32  Loosen and remove the maintenance orifice nut of valve A, and connect the filler hose of the manifold valve to the maintenance orifice of valve A (tighten both valve A and valve B).
  • Page 142 R410A Tropical Split Type Technical Manual Installation of Connective Pipe 5.4 Leak Detection Use soap water or a leak detector to check whether gas leakage exists at the adapters. 5.5 Heat Insulation  Use heat insulation materials to wrap the part protruding outside the flared pipe joint and the refrigerant pipe of the liquid pipe and the gas pipe, and ensure that no gap exists between them.

  • Page 143: Installation Of Drain Pipe

    R410A Tropical Split Type Technical Manual Installation of Connective Pipe 6. Installation of Drain Pipe 6.1 Install the drain pipe of the indoor unit  In order to prevent drain overflow, install a drainage controller at place 1 of the drain pipe. (The drainage controller is designed to smoothen the drainage when the static pressure outside the unit is high, especially at the air inlet, in addition to remove stink through the drain pipe.)

  • Page 144: Electric Connection

    R410A Tropical Split Type Technical Manual Electric Connection 7. Electric Connection 7.1 Electric field wiring CAUTION:  Use special power supply for the air conditioner. Design power supplies specific to the indoor unit and outdoor unit. The supply voltage must comply with the nominal voltage.
  • Page 145 R410A Tropical Split Type Technical Manual Electric Connection Duct type- 76 kBtu/h; 96 kBtu/h; 120 kBtu/h, cooling only: Duct type- 76 kBtu/h; 96 kBtu/h; 120 kBtu/h, cooling and heating type: Installation...
  • Page 146 R410A Tropical Split Type Technical Manual Electric Connection Duct type-150 kBtu/h, cooling only: Duct type-150 kBtu/h, cooling and heating type: Installation...
  • Page 147 R410A Tropical Split Type Technical Manual Electric Connection Floor standing type- 76 kBtu/h; 96 kBtu/h, cooling only: Floor standing type- 76 kBtu/h; 96 kBtu/h, cooling and heating type: Installation...
  • Page 148 R410A Tropical Split Type Technical Manual Electric Connection 7.2 Specifications of power supply Indoor unit: Model MTA-76CRN1 MTA-76HRN1 MTA-96CRN1 MTA-96HRN1 220~240V- 220~240V- 220~240V- 220~240V- Power supply 1Ph-50Hz 1Ph-50Hz 1Ph-50Hz 1Ph-50Hz Capacity of power 20/10 20/10 20/8 20/8 supply/ fuse (A)
  • Page 149 R410A Tropical Split Type Technical Manual Electric Connection Model MFA-76CRN1 MFA-76HRN1 MFA-96CRN1 MFA-96HRN1 220~240V- 220~240V- 220~240V- 220~240V- Power supply 1Ph-50Hz 1Ph-50Hz 1Ph-50Hz 1Ph-50Hz Capacity of power 20/10 20/10 20/10 20/10 supply/ fuse (A) RVV-300/500 RVV-300/500 RVV-300/500 RVV-300/500 Indoor power cable 2*2.5 mm...
  • Page 150 R410A Tropical Split Type Technical Manual Electric Connection 7.3 Power wires The power wires are as follows: (schematic diagram) Indoor unit Control wire between Manual switch RCCB indoor unit and outdoor unit Indoor unit power supply 220-240V~ 50Hz RCCB Manual switch...

  • Page 151: Methods Of Configuring And Selecting Installation

    R410A Tropical Split Type Technical Manual Methods of Configuring and Selecting Installation 8. Methods of configuring and selecting installation Material name Characteristics, advantages and other contents 1. Install the filter at the main body grille in case the storey height is low, and at the main body of the indoor unit in case the storey height is high.
  • Page 152 R410A Tropical Split Type Technical Manual Methods of Configuring and Selecting Installation 1. Fixed model that diffuses air at a 360 angle. 2. The outline size should increase when the air volume is over 350CMH. (For above 303), i.e., when about 9 diffusers are required, the outline size should increase.
  • Page 153 R410A Tropical Split Type Technical Manual Methods of Configuring and Selecting Installation 1. Flanges and pipelines connected to the ventilation pipes. 2. When the noise pipe is connected with the hose, the ventilation pipe tape must be applied (otherwise, with only adhesive tape, the adhesion will be weakened due to change of temperature).

  • Page 154: Part 5 Control

    R410A Tropical Split Type Technical Manual Methods of Configuring and Selecting Installation Part 5 Control 1. Wireless Remote Controller ........155 2. Wired controller (Optional) .......... 161 3. Central Control Monitor (Optional) ......163 Installation...
  • Page 155 R410A Tropical Split Type Technical Manual Wireless Remote Controller 1. Wireless Remote Controller: R51/CE and R51/E (Standard) 1.1 Remote Controller Specifications Model R51/CE and R51/E Rated Voltage 3.0V Lowest Voltage of CPU Emitting Signal 2.0V Reaching Distance 8m (when using 3.0 voltage, it Gets 11m) Environment Temperature Range -5℃～60℃...
  • Page 156 R410A Tropical Split Type Technical Manual Wireless Remote Controller 1.2 Introduction of Function Buttons on the Remote Controller Fig-1 Note: This illustration is for explanation purposes only. The actual shape or button names of the remote controller may be slightly different.
  • Page 157 R410A Tropical Split Type Technical Manual Wireless Remote Controller ① TEMP Button: Push the TEMP button to decrease the indoor temperature setting or to adjust the TIMER in a counter-clockwise direction. ② MODE Select Button: Each time you push the button, a mode is selected in a sequence that goes from AUTO、...
  • Page 158 R410A Tropical Split Type Technical Manual Wireless Remote Controller 1.3 Names and Functions of indicators on Remote Controller Fig-2 ①TRANSMISSION Indicator: This indicator lights when remote controller transmits signals to indoor unit. ② MODE Display: Show the current operation modes-- AUTO, COOL, DRY and HEAT. HEAT is only available for heat pump model.
  • Page 159 R410A Tropical Split Type Technical Manual Wireless Remote Controller 1.4 Operating the Remote Controller 1) Install / Replace Batteries The Remote Controller uses two alkaline dry batteries (R03/Ir03X2). ※ To install batteries, slide back the cover of the battery compartment and install the batteries according to the directions (+and -) shown on the Remote Controller.
  • Page 160 R410A Tropical Split Type Technical Manual Wireless Remote Controller a. To set the STARTING time. ※ Please push the CANCEL button to cancel any former settings. ※ Push the TIMER button. The remote controller will show the TIMER and the signal "h" is shown on the display panel.
  • Page 161 R410A Tropical Split Type Technical Manual Wire Controller (Optional) 2. Wired controller (Optional) KJR-10B 1) Outlook 2) Installation Wiring P rinciple Sketc h: In fra ed P i pe Wir e J oint, 5p 5-Core Shield Cable,the length G ND...
  • Page 162 R410A Tropical Split Type Technical Manual Wire Controller (Optional) Note: 1. Never turn screws too tightly, or else the cover would be dented or the Liquid Crystal breaks. 2. Please leave enough long cable for maintenance of the Wire Controller Board.
  • Page 163 R410A Tropical Split Type Technical Manual Central Control Monitor (Optional) 3. Central Control Monitor (Optional) CCM03 1) Outlook Buttons and Functions Control...
  • Page 164 R410A Tropical Split Type Technical Manual Central Control Monitor (Optional) Liquid Crystal Display: Control...
  • Page 165 R410A Tropical Split Type Technical Manual Central Control Monitor (Optional) 2) Installation Note: To differentiate each centralized controller, the controllers in the same RS-485 net should be with different address with each other. NOTE: 1. Never turn screws too tightly, otherwise the cover would be dented, or the Liquid Crystal would be broken.
  • Page 166 R410A Tropical Split Type Technical Manual Central Control Monitor (Optional) Appendix 1: Indoor Temp. and Pipe Temp. Sensor Resistance Value Table (℃--K) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 12.6431 2.35774 0.62973 115.266 108.146 12.0561 2.27249...

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