Midea MSCI-07HRIN1 User Manual
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Midea MSCI-07HRIN1 User Manual

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MCAC-HTSM-2007-11
Contents
Part 1 General Information ..................................................................................................... 1
Part 2 Indoor Units ................................................................................................................ 11
Part 3 Outdoor Units ............................................................................................................. 86
Part 4 Installation ................................................................................................................ 126
Part 5 Control System ........................................................................................................ 139
Contents
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Summary of Contents for Midea MSCI-07HRIN1

  • Page 1 MCAC-HTSM-2007-11 Contents Part 1 General Information ..................... 1 Part 2 Indoor Units ........................ 11 Part 3 Outdoor Units ......................86 Part 4 Installation ........................ 126 Part 5 Control System ......................139 Contents...

  • Page 3: Table Of Contents

    MCAC-HTSM-2007-11 General Information Part 1 General Information 1. Model Names of Indoor/Outdoor Units ...... 2 2. External Appearance ..........5 3. Combination of Indoor Units........7 4. Nomenclature ............. 8 5. Features ..............10 General Information...

  • Page 4: Model Names Of Indoor/Outdoor Units

    MCAC-HTSM-2007-11 1. Model Names of Indoor/Outdoor Units 1.1 Indoor Units Dimension Net/Gross Model name Power supply (mm) weight (kg) Width: 745 Height: 200 MSCI-07HRIN1 8/9.5 220~240V-1ph-50Hz Depth: 220 Width: 745 MSCI-09HRIN1 Height: 200 8/9.5 220~240V-1ph-50Hz Depth: 220 Width: 820 MSCI-12HRIN1...
  • Page 5 MCAC-HTSM-2007-11 Model Names of Indoor/Outdoor Units Dimension Net/Gross Model name Power supply (mm) weight (kg) Height: 254 Depth: 580 Width: 580 MSQ4I-18HRIN1 Height: 254 21/28 220~240V-1ph-50Hz Depth: 580 Width: 874 Height: 203 MST2I-07HRIN1 15/19 220~240V-1ph-50Hz Depth: 375 Width: 874 MST2I-09HRIN1 Height: 203 15/19 220~240V-1ph-50Hz...
  • Page 6 Model Names of Indoor/Outdoor Units MCAC-HTSM-2007-11 1.2 Outdoor Units Dimension Net/Gross Model name Power supply (mm) weight (kg) Width: 940 Height: 375 M2OA-18HRDN1 68/72 220~240V-1ph-50Hz Depth: 755 Width: 940 M2OB-18HRDN1 Height: 375 61/65 220~240V-1ph-50Hz Depth: 755 Width: 940 Height: 375 M3OA-27HRDN1 68/72 220~240V-1ph-50Hz...

  • Page 7: External Appearance

    MCAC-HTSM-2007-11 External Appearance 2. External Appearance Indoor units: Four-way cassette (compact) Duct Ceiling and floor Wall-mounted Corona Wall-mounted Alfa Wall-mounted Vertu Wall-mounted T6 Wall-mounted Elite General Information...
  • Page 8 External Appearance MCAC-HTSM-2007-11 Outdoor units: M2OA-18HRDN1/ M2OB-18HRDN1 M3OA-27HRDN1 M4OA-27HRDN1 General Information...

  • Page 9: Combination Of Indoor Units

    MCAC-HTSM-2007-11 Combination of Indoor Units 3. Combination of Indoor Units You can choose different style indoor units: cassette type, duct type, wall-mounted type, ceiling and floor type. 3.1 M2OA-18HRDN1/M2OB-18HRDN1 One indoor unit two indoor units Nominal Capacity K Btu/h 2+12 3.2 M3OA-27HRDN1 one indoor unit two indoor units...

  • Page 10: Nomenclature

    Capacity ( × 1000Btu/h) Indoor Unit Indoor Type C: Corona Type H: Alfa Type V1: Vertu Type F6: T6 Type E: Elite Type Q4: Four-way Cassette Type T2: Duct Type DL: Ceiling and Floor Type S: Split Midea General Information...
  • Page 11 MCAC-HTSM-2007-11 Nomenclature 4.2 Outdoor unit M2OA - 18 H R D N1 Refrigerant N1 R410A N2 R407C DC Inverter Control Mode Remote Control Function Code C Cooling Only H Cooling & Heating Capacity ( × 1000Btu/h) A:1st Design B: 2nd Design M2O: Universal Outdoor Unit with 1 drive 2 M3O: Universal Outdoor Unit with 1...

  • Page 12: Features

    Features MCAC-HTSM-2007-11 5. Features Midea’s DC multi air conditioner is new product series in Midea CAC. l Adopt DC inverter compressor All the outdoor units use DC inverter compressor, the efficiency is high, the EER is up to A class.
  • Page 13 MCAC-HTSM-2007-11 Indoor Units Part 2 Indoor Units Wall-mounted Type ............12 Four-way Cassette Type ..........43 Duct Type ................. 58 Ceiling and Floor Type............. 73 Indoor Units...
  • Page 14 Wall-mounted Type MCAC-HTSM-2007-11 Wall-mounted Type 1. Features ....................13 2. Specifications ..................14 3. Dimensions ....................19 4. Service Space ..................25 5. Wiring Diagrams ..................26 6. Air Velocity and Temperature Distributions .......... 28 7. Electric Characteristics ................29 8.

  • Page 15: Features

    MCAC-HTSM-2007-11 Wall-mounted Type 1. Features The wall-mounted indoor unit has several different types for your choice, such as Corona type ,Alfa type, Elite type,T6 type and Vertu type. The different style panels can satisfy your different requirements. All the units have various functions, such as the function of auto-restart, sleep mode are standard, the function of golden fin, bio filter, silver filter are optional.

  • Page 16: Specifications

    Wall-mounted Type MCAC-HTSM-2007-11 2. Specifications 2.1 Corona series Sale Model MSCI-07HRIN1 MSCI-09HRIN1 MSCI-12HRIN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 7000 9000 12000 Cooling Input Rated current 0.17 0.17 Capacity Btu/h 8500...
  • Page 17 MCAC-HTSM-2007-11 Wall-mounted Type 2.2 Alfa series Sale Model MSHI-07HRIN1 MSHI-09HRIN1 MSHI-12HRIN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 7000 9000 12000 Cooling Input 36.5 36.5 51.5 Rated current 0.17 0.17 0.24 Capacity Btu/h 8500 11000...
  • Page 18 Wall-mounted Type MCAC-HTSM-2007-11 2.3 T6 series Sale Model MSF6I-07HRIN1 MSF6I-09HRIN1 MSF6I-12HRIN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 7000 9000 12000 Cooling Input 39.5 39.5 Rated current 0.18 0.18 Capacity Btu/h 8000 10000 14000 Heating...
  • Page 19 MCAC-HTSM-2007-11 Wall-mounted Type 2.5 Vertu series Sale Model MSV1I-09HRDN1 MSV1I-12HRDN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 9000 12000 Cooling Input Rated current 0.17 Capacity Btu/h 10000 14000 Heating Input Rated current 0.17 Model RPG20D RPG20D...
  • Page 20 Wall-mounted Type MCAC-HTSM-2007-11 2.6 Elite series Model MSEI-09HRIN1 MSEI-12HRIN1 MSEI-07HRIN1 Power supply V-ph-Hz 1Ph, 220-240V~,50Hz 1Ph, 220-240V~,50Hz 1PH, 220-240V~,50Hz Supply electricity type Outdoor unit supply power Capacity Btu/h 7000 9000 12000 Cooling Input 39.5 39.5 Rated current 0.18 0.18 Capacity Btu/h 8500 10000...

  • Page 21: Dimensions

    MCAC-HTSM-2007-11 Wall-mounted Type 3. Dimensions 3.1 Corona Series a) Indoor unit: MSCI-07HRIN1 MSCI-09HRIN1 Indoor Units...
  • Page 22 Wall-mounted Type MCAC-HTSM-2007-11 Indoor Unit : MSCI-12HRIN1 Indoor Units...
  • Page 23 MCAC-HTSM-2007-11 Wall-mounted Type 3.2 Alfa Series Indoor Unit: MSHI-07HRIN1 MSHI-09HRIN1 Indoor Unit: MSHI-12HRIN1 Indoor Units...
  • Page 24 Wall-mounted Type MCAC-HTSM-2007-11 3.3 Vertu Series Indoor unit : MSV1I-09HRDN1 MSV1I-12HRDN1 Indoor Units...
  • Page 25 MCAC-HTSM-2007-11 Wall-mounted Type Unit: mm Dimension Model MSV1I-09HRDN1 MSV1I-12HRDN1 3.4 T6 Series Indoor Units...
  • Page 26 Wall-mounted Type MCAC-HTSM-2007-11 Unit: mm Dimension Mode MST6I-07HRIN1 MST6I-09HRIN1 MST6I-12HRIN1 Indoor Units...

  • Page 27: Service Space

    MCAC-HTSM-2007-11 Wall-mounted Type 4. Service Space Indoor Units...

  • Page 28: Wiring Diagrams

    Wall-mounted Type MCAC-HTSM-2007-11 5. Wiring Diagrams 5.1 MSCI-07HRIN1,MSCI-09HRIN1,MSCI-12HRIN1 MSHI-07HRIN1,MSHI-09HRIN1,MSHI-12HRIN1 5. 2 MSV1I-09HRDN1,MSV1I-12HRDN1 Indoor Units...
  • Page 29 MCAC-HTSM-2007-11 Wall-mounted Type 5.3 MST6I-07HRIN1,MST6I-09HRIN1,MST6I-12HRIN1 Indoor Units...

  • Page 30: Air Velocity And Temperature Distributions

    Wall-mounted Type MCAC-HTSM-2007-11 6. Air Velocity and Temperature Distributions Airflow velocity Temperature Indoor Units...

  • Page 31: Electric Characteristics

    MCAC-HTSM-2007-11 Wall-mounted Type 7. Electric Characteristics Model Indoor Unit Power Supply Voltage MSCI-07HRIN1 220-240 0.2075 0.018 0.166 MSCI-09HRIN1 220-240 0.2075 0.018 0.166 MSCI-12HRIN1 220-240 0.2125 0.02 0.17 MSHI-07HRIN1 220-240 0.1875 0.013 0.15 MSHI-09HRIN1 220-240 0.1875 0.013 0.15 MSHI-12HRIN1 220-240 0.2125 0.02...

  • Page 32: Sound Levels

    Wall-mounted Type MCAC-HTSM-2007-11 8. Sound Levels Noise level dB(A) Model High speed MSCI-07HRIN1 MSCI-09HRIN1 MSCI-12HRIN1 MSHI-07HRIN1 MSHI-09HRIN1 MSHI-12HRIN1 MSV1I-09HRDN1 MSV1I-12HRDN1 MST6I-07HRIN1 MST6I-09HRIN1 MST6I-12HRIN1 MSEI-07HRIN1 MSEI-09HRIN1 MSEI-12HRIN1 Indoor Units...

  • Page 33: Exploded View

    MCAC-HTSM-2007-11 Wall-mounted Type 9. Exploded View MSCI-07HRIN1 No. Part Name Quantity Part Name Quantity Front panel Chassis assembly Display board,assembly Drain hose Panel frame Screw cover Cover, electric control box Air out frame Remote controller Cross flow fan assembly E-part box cover...
  • Page 34 Wall-mounted Type MCAC-HTSM-2007-11 MSCI-09HRIN1 No. Part Name Quantity Part Name Quantity Front panel Chassis assembly Display board,Ass'y Drain hose Panel frame Screw cover Cover, electric control box Air out frame Remote controller Cross flow fan assembly E-part box cover Evaporator assembly Electrical control box subassembly 19.1 Evaporator back...
  • Page 35 MCAC-HTSM-2007-11 Wall-mounted Type MSCI-12HRIN1 Part Name Quantity Part Name Quantity Front panel Drain hose Panel frame Air out frame Cover, electric control box Cross flow fan assembly Display board,Ass'y Evaporator assembly Motor cover 16.1 Evaporator front Fan motor 16.2 Evaporator back Louver motor 16.3 Liquid input pipe, evaporator, subassembly...
  • Page 36 Wall-mounted Type MCAC-HTSM-2007-11 MSHI-07HRIN1 Part Name Quantity Part Name Quantity Front panel Chassis assembly Display board,Ass'y Drain hose Panel frame Screw cover Cover, electric control box Air out frame Remote controller Cross flow fan assembly E-part box cover Evaporator assembly Electrical control box subassembly 19.1 Evaporator back...
  • Page 37 MCAC-HTSM-2007-11 Wall-mounted Type MSHI-09HRIN1 Part Name Quantity Part Name Quantity Front panel Chassis assembly Display board,Ass'y Drain hose Panel frame Screw cover Cover, electric control box Air out frame Remote controller Cross flow fan assembly E-part box cover Evaporator assembly Electrical control box subassembly 19.1 Evaporator back...
  • Page 38 Wall-mounted Type MCAC-HTSM-2007-11 MSHI-12HRIN1 Part Name Quantity Part Name Quantity Front panel Drain hose Display board, Ass'y Air out frame Panel frame Cross flow fan assembly Cover, electric control box Evaporator assembly Motor cover 16.1 Evaporator front Fan motor 16.2 Evaporator back Louver motor 16.3...
  • Page 39 MCAC-HTSM-2007-11 Wall-mounted Type MSV1I-09HRDN1 Part Name Quantity Part Name Quantity Cross flow fan Electric control assy subassembly Panel assembly 11.1 E-Parts box Panel frame 11.2 Main controller subassembly Filter the net( right) 11.3 Transformer Room Temperature Sensor A synchronism motor 11.4 Ass'y subassembly Evaporator assembly...
  • Page 40 Wall-mounted Type MCAC-HTSM-2007-11 MSV1I-12HRDN1 Part Name Quantity Part Name Quantity Cross flow fan Electric control assy subassembly Panel assembly 11.1 E-Parts box Panel frame 11.2 Main controller subassembly Filter the net( right) 11.3 Auto restart control board subassembly Room Temperature Sensor A synchronism motor 11.4 Ass'y subassembly...
  • Page 41 MCAC-HTSM-2007-11 Wall-mounted Type MST6I-07HRIN1 Part Name Quantity Part Name Quantity Front panel Chassis assembly Display board,Ass'y Drain hose Panel frame Screw cover Cover, electric control box Air out frame Remote controller Cross flow fan assembly E-part box cover Evaporator assembly Electrical control box subassembly 19.1 Evaporator back...
  • Page 42 Wall-mounted Type MCAC-HTSM-2007-11 MST6I-09HRIN1 Part Name Quantity Part Name Quantity Front panel Chassis assembly Display board, Ass'y Drain hose Panel frame Screw cover Cover, electric control box Air out frame Remote controller Cross flow fan assembly E-part box cover Evaporator assembly Electrical control box subassembly 19.1 Evaporator back...
  • Page 43 MCAC-HTSM-2007-11 Wall-mounted Type MST6I-12HRIN1 Part Name Quantity Part Name Quantity Front panel Drain hose Display board, Ass'y Air out frame Panel frame Cross flow fan assembly Cover, electric control box Evaporator assembly Motor cover 16.1 Evaporator front Fan motor 16.2 Evaporator back Louver motor 16.3...

  • Page 44: Accessories

    Wall-mounted Type MCAC-HTSM-2007-11 10. Accessories Number Name Installatio n plate × Se lf-ta ppi ng scre w ST3 .9 Plastic Expansion Pipe φ Liq uid side 6.35 Connectio n Pipe Ass. φ φ Ga s side 9.53/ 12.7 Remote controller Remote controller holder Indoor Units...
  • Page 45 MCAC-HTSM-2007-11 Four-way Cassette Type Four-way Cassette Type 1. Features ....................44 2. Specifications ..................45 3. Dimensions ....................47 4. Service Space (unit: mm) ................ 48 5. Wiring Diagrams ..................49 6. Air Velocity and Temperature Distributions .......... 50 7. Electric Characteristics ................51 8.

  • Page 46: Features

    Four-way Cassette Type MCAC-HTSM-2007-11 1. Features ) Low operation noise ---Streamline plate ensures quietness ---Creates natural and comfortable environment (2) Efficient cooling ---Equal, fast and wide—range cooling (3) The adoption of the most advanced 3- Dimensional Screw fan ---Reduces the air resistance passing through ---Smoothes the air flow ---Makes air speed distribution to the heat exchange uniform Indoor Units...

  • Page 47: Specifications

    MCAC-HTSM-2007-11 Four-way Cassette Type 2. Specifications Sale Model MSQ4I-07HRDN1 MSQ4I-09HRDN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 7000 9000 Cooling Input Rated current 0.15 0.15 Capacity Btu/h 9000 11000 Heating Input Rated current 0.15 0.15 Model...
  • Page 48 Four-way Cassette Type MCAC-HTSM-2007-11 Sale Model MSQ4I-12HRDN1 MSQ4I-18HRIN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 12000 18000 Cooling Input Rated current Capacity Btu/h 13000 20500 Heating Input Rated current Model YDK45-4F YDK45-4F Type motor motor Brand...

  • Page 49: Dimensions

    MCAC-HTSM-2007-11 Four-way Cassette Type 3. Dimensions Indoor unit (7000Btu/h/9000Btu/h /12000Btu/h /18000Btu/h) : Hook Body Ceiling Panel Chart 4 401(Hook-location) 580(Body) 600(Ceiling hole) 650(Panel) Indoor Units...

  • Page 50: Service Space (Unit: Mm)

    Four-way Cassette Type MCAC-HTSM-2007-11 4. Service Space (unit: mm) Indoor Units...

  • Page 51: Wiring Diagrams

    MCAC-HTSM-2007-11 Four-way Cassette Type 5. Wiring Diagrams MSQ4I-07HRDN1, MSQ4I-09HRDN1, MSQ4I-12HRDN1, MSQ4I-18HRIN1 Indoor Units...

  • Page 52: Air Velocity And Temperature Distributions

    Four-way Cassette Type MCAC-HTSM-2007-11 6. Air Velocity and Temperature Distributions (Reference Data)Discharge angle 60º Airflow velocity Temperature Indoor Units...

  • Page 53: Electric Characteristics

    MCAC-HTSM-2007-11 Four-way Cassette Type 7. Electric Characteristics Model Indoor Unit Power Supply Voltage Min. Max. MSQ4I-07HRDN1 220~240 0.36 0.063 0.29 MSQ4I-09HRDN1 220~240 0.36 0.063 0.29 MSQ4I-12HRDN1 220~240 0.36 0.063 0.29 MSQ4I-18HRIN1 220~240 0.3625 0.045 0.29 Remark: MCA: Min. Current Amps. (A) MFA: Max.

  • Page 54: Sound Levels

    Four-way Cassette Type MCAC-HTSM-2007-11 8. Sound Levels FOUR-WAY CASSETTE TYPE 1.0m Microphone Noise level dB(A) Model High speed MSQ4I-07HRDN1 MSQ4I-09HRDN1 MSQ4I-12HRDN1 MSQ4I-18HRIN1 Indoor Units...

  • Page 55: Exploded View

    MCAC-HTSM-2007-11 Four-way Cassette Type 9. Exploded View MSQ4I-07HRDN1 Part Name Quantity Part Name Quantity water collector wire crossing board evaporator centrifugal fan Temp. sensor a synchronism motor liquid input pipe, evaporator, subassembly cover, electronic control box copper nut fan motor underlay gas output pipe, evaporator, subassembly electronic control box copper nut...
  • Page 56 Four-way Cassette Type MCAC-HTSM-2007-11 MSQ4I-09HRDN1 Part Name Quantity Part Name Quantity water collector wire crossing board evaporator centrifugal fan Temp. sensor a synchronism motor liquid input pipe, evaporator, subassembly cover, electronic control box copper nut fan motor underlay gas output pipe, evaporator, subassembly electronic control box copper nut 20.1...
  • Page 57 MCAC-HTSM-2007-11 Four-way Cassette Type MSQ4I-12HRDN1 Part Name Quantity Part Name Quantity water collector wire crossing board evaporator centrifugal fan Temp. sensor a synchronism motor liquid input pipe, evaporator, subassembly cover, electronic control box copper nut fan motor underlay gas output pipe, evaporator, subassembly electronic control box copper nut 20.1...
  • Page 58 Four-way Cassette Type MCAC-HTSM-2007-11 MSQ4I-18HRIN1 Part Name Quantity Part Name Quantity water collector E-part box cover Centrifugal fan Drain Pump Holder Fixing board, water pan Drain Pump Evaporator Fixture Board Ass'y clapboard right assembly Fan motor clapboard left Fan Motor Underlay Evaporator Fixture Board Ass'y Chassis Evaporator assembly...

  • Page 59: Accessories

    MCAC-HTSM-2007-11 Four-way Cassette Type 10. Accessories Indoor Units...
  • Page 60 Duct Type MCAC-HTSM-2007-11 Duct Type 1. Features ....................59 2. Specifications ..................60 3. Dimension ....................62 4. Service Space ..................63 5. Wiring Diagrams ..................64 6. Air Velocity and Temperature Distributions (Reference Data) ..... 65 7. Electric Characteristics ................66 8.

  • Page 61: Features

    MCAC-HTSM-2007-11 Duct Type 1. Features All plastic body, small weight and anti-corrosion; Low operation noise; Adopt cross fan; Compact structure, space saving Adopt 4-bend evaporator with high efficiency Indoor Units...

  • Page 62: Specifications

    Duct Type MCAC-HTSM-2007-11 2. Specifications Sale Model MST2I-07HRIN1 MST2I-09HRIN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 7000 9000 Cooling Input Rated current Capacity Btu/h 8500 11000 Heating Input Rated current Model RPS20D RPS20D Brand Welling Welling...
  • Page 63 MCAC-HTSM-2007-11 Duct Type Sale Model MST2I-12HRIN1 MST2I-18HRIN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 12000 18000 Cooling Input Rated current Capacity Btu/h 13000 20500 Heating Input Rated current Model RPS20D YDK30-4A Brand Welling Welling Indoor Input...

  • Page 64: Dimension

    Duct Type MCAC-HTSM-2007-11 3. Dimension Indoor unit (7000Btu/h /9000Btu/h /12000Btu/h): Air Outlet Φ25 Drain port Refrigerant pipe Refrigerant pipe Liquid Side 9.53 Gas Side 9.0 Φ 100 Fresh air inlet >500mm >500mm Indoor unit (18000Btu/h) Air Outlet Φ25 Drain port 1179 Refrigerant pipe Refrigerant pipe...

  • Page 65: Service Space

    MCAC-HTSM-2007-11 Duct Type 4. Service Space Indoor Units...

  • Page 66: Wiring Diagrams

    Duct Type MCAC-HTSM-2007-11 5. Wiring Diagrams MST2I-07HRIN1/MST2I-09HRIN1/MST2I-12HRIN1/MST2I-18HRIN1 Indoor Units...

  • Page 67: Air Velocity And Temperature Distributions (Reference Data)

    MCAC-HTSM-2007-11 Duct Type 6. Air Velocity and Temperature Distributions (Reference Data) Discharge angle 60º Airflow velocity Temperature Indoor Units...

  • Page 68: Electric Characteristics

    Duct Type MCAC-HTSM-2007-11 7. Electric Characteristics Model Indoor Unit Power Supply Indoor fan motor Voltage Min. Max. MST2I-07HRIN1 220~240 0.2125 0.02 0.17 MST2I-09HRIN1 220~240 0.2125 0.02 0.17 MST2I-12HRIN1 220~240 0.2125 0.02 0.17 MST2I-18HRIN1 220~240 0.325 0.02 0.26 Remark: MCA: Min. Current Amps. (A) MFA: Max.

  • Page 69: Sound Levels

    MCAC-HTSM-2007-11 Duct Type 8. Sound Levels C O N C E A L E D D U C T T Y P E D u c t 1 .0 m M ic ro p h o n e Noise level dB(A) Model High speed MST2I-07HRIN1...

  • Page 70: Exploded View

    Duct Type MCAC-HTSM-2007-11 9. Exploded View MST2I-07HRIN1 Part Name Part Name filter display board subassembly drip tray motor cover left bracket, evaporator motor base gas output pipe, evaporator, subassembly motor copper nut bracket I, wind inlet case Temp. sensor bracket, wind outlet case evaporator subassembly I scroll subassembly Ⅱ...
  • Page 71 MCAC-HTSM-2007-11 Duct Type MST2I-09HRIN1 Part Name Quantity Part Name Quantity filter display board subassembly drip tray motor cover left bracket, evaporator motor base gas output pipe, evaporator, subassembly motor copper nut bracket I, wind inlet case Temp. sensor bracket, wind outlet case evaporator subassembly I scroll subassembly Ⅱ...
  • Page 72 Duct Type MCAC-HTSM-2007-11 MST2I-12HRIN1 Part Name Quantity Part Name Quantity filter display board subassembly drip tray motor cover left bracket, evaporator motor base gas output pipe, evaporator, subassembly motor copper nut bracket I, wind inlet case Temp. sensor bracket, wind outlet case evaporator subassembly I scroll subassembly Ⅱ...
  • Page 73 MCAC-HTSM-2007-11 Duct Type MST2I-18HRIN1 Part Name Quantity Part Name Quantity filter display board subassembly drip tray motor cover evaporator subassembly I motor evaporator subassembly II bracket, wind outlet case gas output pipe, evaporator, subassembly bracket, wind outlet case copper nut bracket I, wind inlet case liquid input pipe, evaporator, subassembly scroll subassembly...

  • Page 74: Accessories

    Duct Type MCAC-HTSM-2007-11 10. Accessories Name Function Insulation pipe Pipe joint heat insulation Remote controller Remote control air conditioner Big washer Overhang indoor unit Constriction bandage Binding insulation pipe Water outlet joint (for cool/heat type only) Outdoor unit drainage Gasket (for cool/heat type only) Outdoor unit drainage Copper nut Connecting pipe...
  • Page 75 MCAC-HTSM-2007-11 Ceiling and Floor Type Ceiling and Floor Type 1. Features ....................74 2. Specification .................... 75 3. Dimensions ....................76 4. Service Space ..................77 5. Wiring Diagrams ..................78 6. Air Velocity and Temperature Distributions .......... 79 7. Electric Characteristics ................81 8.

  • Page 76: Features

    Ceiling and Floor Type MCAC-HTSM-2007-11 1. Features 1.1. New design, more modern and elegant appearance. 1.2. Convenient installation --The ceiling type can be easily installed into a corner of the ceiling even if the ceiling is very narrow -- It is especially useful when installation of an air conditioner in the center of the ceiling is impossible due to a structure such as one lighting 1.3.

  • Page 77: Specification

    MCAC-HTSM-2007-11 Ceiling and Floor Type 2. Specification Sale Model MSDLI-12HRIN1 MSDLI-18HRIN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Capacity Btu/h 12000 18000 Cooling Input Rated current 0.145 0.145 Capacity Btu/h 13500 20000 Heating Input Rated current 0.145 0.145 Model...

  • Page 78: Dimensions

    Ceiling and Floor Type MCAC-HTSM-2007-11 3. Dimensions MSDLI-12HRIN1 MSDLI-18HRIN1 Unit: mm Dimension Mode MSDLI-12HRIN1 MSDLI-18HRIN1 Indoor Units...

  • Page 79: Service Space

    MCAC-HTSM-2007-11 Ceiling and Floor Type 4. Service Space Ceiling type installation >60 0mm Indoor Units...

  • Page 80: Wiring Diagrams

    Ceiling and Floor Type MCAC-HTSM-2007-11 5. Wiring Diagrams MSDLI-12HRIN1/MSDLI-18HRIN1 Indoor Units...

  • Page 81: Air Velocity And Temperature Distributions

    MCAC-HTSM-2007-11 Ceiling and Floor Type 6. Air Velocity and Temperature Distributions Discharge angle 60° (CEILING) Airflow velocity Temperature Indoor Units...
  • Page 82 Ceiling and Floor Type MCAC-HTSM-2007-11 Discharge angle 60° (FLOOR) Airflow velocity Temperature Indoor Units...

  • Page 83: Electric Characteristics

    MCAC-HTSM-2007-11 Ceiling and Floor Type 7. Electric Characteristics Units Power Supply Model Voltage Min. Max. MSDL-12HRDN1 220-240 0.18 0.034 0.145 MSDL-18HRDN1 220-240 0.18 0.034 0.145 Remark: MCA: Min. Current Amps. (A) MFA: Max. Fuse Amps. (A) KW: Fan Motor Rated Output (kW) FLA: Full Load Amps.

  • Page 84: Sound Levels

    Ceiling and Floor Type MCAC-HTSM-2007-11 8. Sound Levels Ceiling Floor Noise level dB(A) Model High speed MSDLI-12HRIN1 MSDLI-18HRIN1 Indoor Units...

  • Page 85: Exploded View

    MCAC-HTSM-2007-11 Ceiling and Floor Type 9. Exploded View MSDLI-12HRIN1 Part Name Part Name Cover for E-box 20.2.1 Copper nut Electric control assy subassembly 20.3 Evaporator discharge pipe E-Parts box 20.3.1 Copper nut Motor capacitor Installation clamp Main controller subassembly Left fixed board, evaporator Scroll-shell, up Right frame holder, evaporator subassembly Left fixing clamp for motor...
  • Page 86 Ceiling and Floor Type MCAC-HTSM-2007-11 MSDLI-18HRIN1 Part Name Part Name Cover for E-box 20.2.1 Copper nut Electric control assy subassembly 20.3 Evaporator discharge pipe E-Parts box 20.3.1 Copper nut Motor capacitor Installation clamp Main controller subassembly Left fixed board, evaporator Scroll-shell, up Right frame holder, evaporator subassembly Left fixing clamp for motor...

  • Page 87: Accessories

    MCAC-HTSM-2007-11 Ceiling and Floor Type 10. Accessories Name Qty. Outline Usage Owner's manual Installation manual (This manual) Hook For wall mounting installation Hanging arm For ceiling installation Remote controller & Its Frame l Remote controller....1 l Frame........1 l Mounting screw (ST2.9x10-C-H)......2 l Alkaline dry batteries(AM4) .............2...
  • Page 88 Outdoor Units MCAC-HTSM-2007-11 Part 3 Outdoor Units 1. Features ............... 87 2. Specifications .............. 88 3. Dimensions ..............91 4. Service Space .............. 92 5. Piping Diagrams ............93 6. Wiring Diagrams ............94 7. Combination capacity table ......... 96 8.

  • Page 89: Features

    MCAC-HTSM-2007-11 Features 1. Features 1.1 Outdoor machine tightly packed, the bigger building type also needs one set outdoors machine only; Can guarantee to construct the external appearance more simple and direct, and the gearing space need is small, don't affect the room to adopt the light 1.2 Compressor start steady the start electric current is small, using the interference of the electric appliances to the impact and others of the charged barbed wire net small Outdoor Units...

  • Page 90: Specifications

    Specifications MCAC-HTSM-2007-11 2. Specifications Outdoor Unit: Outdoor Model M2OA-18HRDN1 5.1.1.1.1.1.1 M3OA-27HRDN1 Power supply V-ph-Hz 220~240-1-50 220~240-1-50 Supply electricity type Outdoor unit supply power Indoor Units Combination Single Double Single Double Three Capacity Btu/h 7000～12000 18000 7000～12000 16000～24000 27000 Cooling Input 1000~1300 1644 1000～1300...
  • Page 91 MCAC-HTSM-2007-11 Specifications Outdoor Model M2OB-18HRDN1 Power supply V-ph-Hz 220~240-1-50 Supply electricity type Outdoor unit supply power Indoor Units Combination Single Double Capacity Btu/h 7000～12000 18000 Cooling Input 1000～1200 1600 Rated current 4.5~5.5 Capacity Btu/h 10000～14000 21000 Heating Input 1050～1250 1900 Rated current 5.0~6.0 Max.
  • Page 92 Specifications MCAC-HTSM-2007-11 Sale Model M4OA-27HRDN1 Supply electricity type Outdoor unit supply power Indoor Units Combination Single Twin Three Four Power supply V-ph-Hz 220~240-1-50 Capacity Btu/h 27000 7000～18000 14000～24000 21000～26000 Cooling Input 1334-1784 1730-2200 2234-2531 2529 Rated current 5.8～7.8 7.5～10.7 9.7～12.1 11.0 Capacity Btu/h...

  • Page 93: Dimensions

    MCAC-HTSM-2007-11 Dimensions 3. Dimensions M2OA-18HRDN1, M2OB-18HRDN1, M3OA-27HRDN1, M4OA-27HRDN1 Unit: mm MODEL M2OA-18HRDN1 M2OB-18HRDN1 M3OA-27HRDN1 M4OA-27HRDN1 Outdoor Units...

  • Page 94: Service Space

    Service Space MCAC-HTSM-2007-11 4. Service Space Outdoor Units...

  • Page 95: Piping Diagrams

    MCAC-HTSM-2007-11 Piping Diagrams 5. Piping Diagrams M2OA-18HRDN1/M2OB-18HRDN1 Axial flow fan EXVA Auxiliary Liquid valve A Filter A Capillary Exhaust Main Capillary A temp. sensor Capillary EXVB Check Filter B Liquid valve B Condenser Coil temp. Valve sensor Capillary B 4-way valve Indoor pipe out Gas valve A...

  • Page 96: Wiring Diagrams

    Wiring Diagrams MCAC-HTSM-2007-11 6. Wiring Diagrams M2OA-18HRDN1, M3OA-27HRDN1 M2OB-18HRDN1 Outdoor Units...
  • Page 97 MCAC-HTSM-2007-11 Wiring Diagrams M4OA-27HRDN1 Outdoor Units...

  • Page 98: Combination Capacity Table

    Combination capacity table MCAC-HTSM-2007-11 7. Combination capacity table Cooling Rated capacity(kW) total cooling total power input Combinations (Nom. cooling) capacity(kW) (kW) (W/W) ENERGY Comb. LABEL Unit Unit Unit Unit Unit Unit Unit Unit rated min. rated max. min. rated max. capacity data data...
  • Page 99 MCAC-HTSM-2007-11 Combination capacity table Rated capacity(kW) total cooling total power input Combinations (Nom. cooling) capacity(kW) (kW) (W/W) ENERGY Comb. LABEL Unit Unit Unit Unit Unit Unit Unit Unit rated min. rated max. min. rated max. capacity data data data data data Data —...
  • Page 100 Combination capacity table MCAC-HTSM-2007-11 Rated capacity(kW) total heating total power input Combinations (Nom. heating) capacity(kW) (kW) (W/W) ENERGY Comb. LABEL Unit Unit Unit Unit Unit Unit Unit Unit min. rated max. min. rated max. rated data data data data data Data capacity —...

  • Page 101: Field Wiring

    MCAC-HTSM-2007-11 Field Wiring 8. Field Wiring Outdoor Units...

  • Page 102: Electric Characteristics

    Electric Characteristics MCAC-HTSM-2007-11 9. Electric Characteristics Model Outdoor Unit Power Supply Voltage Min. Max. TOCA M2OA-18HRDN1 220-240 0.053 0.676 M2OB-18HRDN1 220-240 15.4 0.053 0.676 M3OA-27HRDN1 220-240 0.053 0.676 M4OA-27HRDN1 220-240 15.3 0.053 0.67 Remark: MCA: Min. Current Amps. (A) TOCA: Total Over-current Amps. (A) MFA: Max.

  • Page 103: Operation Limits

    MCAC-HTSM-2007-11 Operation Limits 10. Operation Limits For M2OA-18HRDN1, M2OB-18HRDN1, M3OA-27HRDN1 Heating Indoor temp.(°C) Outdoor Units...
  • Page 104 Operation Limits MCAC-HTSM-2007-11 For M4OA-27HRDN1 Heating Cooling 24 30 Indoor temperature( ℃ DB) Indoor temperature( ℃ WB) Outdoor Units...

  • Page 105: Sound Levels

    MCAC-HTSM-2007-11 Sound Levels 11. Sound Levels Model Noise level dB(A) M2OA-18HRDN1 58.5 M2OB-18HRDN1 M3OA-27HRDN1 59.5 M4OA-27HRDN1 60.5 Microphone Outdoor unit 1.5 m 1.0 m Outdoor Units...

  • Page 106: Exploded View

    Exploded View MCAC-HTSM-2007-11 12. Exploded View M2OA-18HRDN1 Part Name Part Name Support board for motor holder Valve plate Rear net Compressor Condenser coil assembly Electric heater for compressor Water collector Base pan assembly Rear right clapboard assembly Liquid valve subassembly Partition plate assembly 14.1 Check valve...
  • Page 107 MCAC-HTSM-2007-11 Exploded View M2OB-18HRDN1 Part Name Quantity Part Name Quantity top cover subassembly base pan subassembly input pipe subassembly reactance filter output pipe subassembly inductance box high valve subassembly guard fan electronic expansion valve solenoid fan, propeller electronic expansion valve condenser Temp.
  • Page 108 Exploded View MCAC-HTSM-2007-11 M3OA-27HRDN1 Part Name Part Name Support board for motor holder 10.19 Rubber, wire crossing I Rear net 10.20 Inverter control board subassembly Condenser coil assembly 10.21 Main control board subassembly Liquid valve subassembly A 10.22 Heat exchange Liquid valve Valve plate The electronics inflation valve valve body...
  • Page 109 MCAC-HTSM-2007-11 Exploded View M4OA-27HRDN1 Part Name Part Name Top cover assembly partition plate assembly Electric part sassy subassembly suction pipe subassembly Electric control box 20.1 press controller, low Electric control box accumulator cylinder EMC filter capillary pipe subassembly Transformer liquid valve subassembly A Main control board subassembly 23.1 electronic expansion valve...

  • Page 110: Troubleshooting

    Troubleshooting MCAC-HTSM-2007-11 13. Troubleshooting Indoor unit’s LED indication of Corona DC inverter unit Display LED STATUS EEPROM error outdoor communication error Zero-crossing examination error Fan speed beyond control Outdoor units temp. sensor or connector of temp. sensor is defective Indoor units temp. sensor or connector of temp. sensor is defective Inverter module protection Outdoor voltage protection Compressor top protection against temperature...
  • Page 111 MCAC-HTSM-2007-11 Troubleshooting Circuit or software error on indoor PCB Replace indoor PCB Indoor unit display LED STATUS outdoor communication error Disconnect the power supply, after 1 minute, connect the power supply , turn on the unit with remote controller Does unit work normally ?
  • Page 112 Troubleshooting MCAC-HTSM-2007-11 Indoor unit display LED STATUS Zero-crossing examination error Is power supply Be sure the power supply is connection good correct connectors good? Indoor defective. Replace the indoor PCB. Indoor unit display LED STATUS Fan speed beyond control Is the indoor fan motor Repair the connector and connector and connection reconnect...
  • Page 113 MCAC-HTSM-2007-11 Troubleshooting Indoor unit display LED STATUS Outdoor units temp. sensor or connector of temp. sensor is defective outdoor temperature sensor Repair the connector and connector reconnect connection good? Replace sensor Replace outdoor e-box and check if E5 display again? Indoor unit display LED STATUS Indoor units temp.
  • Page 114 Troubleshooting MCAC-HTSM-2007-11 Indoor unit display LED STATUS Inverter module protection Revise the power and retest. Is voltage normal? Is all connection good? Revise the power and retest. wiring compressor right? Repair replace Check the moduler if moduler. some components blow out or be failure? Is it breakdown between P-N, P-V, P-W, N-V,N-W...
  • Page 115 MCAC-HTSM-2007-11 Troubleshooting Indoor unit display LED STATUS Compressor top protection against temperature Does Reconnect and retest. compressor connection operate? good? refrigerant protector Replace the protector. circulation normal? volume normal? Check the outdoor main PCB. Is Charge refrigerant there some problem? Replace the outdoor PCB Is abnormality the same after...
  • Page 116 Troubleshooting MCAC-HTSM-2007-11 Outdoor unit’s LED indication Display Explanation EEPROM error No 1 Indoor units pipe temp. Sensor or connector of pipe temp. sensor is defective No 2 Indoor units pipe temp. Sensor or connector of pipe temp. sensor is defective No 3 Indoor units pipe temp.
  • Page 117 MCAC-HTSM-2007-11 Troubleshooting Display Malfunction or Protection No 1 Indoor units pipe temp. Sensor or connector of pipe temp. sensor is defective E1(indoor unit) Repair connector Is connection to connector of pipe temp. Sensor good? Check the resistance of the temp. sensor according to Annex 1 Is the resistance normal? Replace the sensor Change main board...
  • Page 118 Troubleshooting MCAC-HTSM-2007-11 Display Malfunction or Protection No 2 Indoor units pipe temp. Sensor or connector of pipe temp. sensor is defective E2(indoor unit) Is connection to connector of pipe temp. Repair connector Sensor good? Check the resistance of the temp. Sensor according to Annex 1 Is the resistance normal? Replace the sensor Change main board...
  • Page 119 MCAC-HTSM-2007-11 Troubleshooting Display Malfunction or Protection Outdoor temp. Sensor or connector of temp. sensor is defective Is connection to connector of Outdoor temp. Sensor good? Repair connector Check the resistance of the temp. Sensor according to Annex 1 Is the resistance normal? Replace the sensor Change main board Display...
  • Page 120 Troubleshooting MCAC-HTSM-2007-11 Display Malfunction or Protection No 4 Indoor units pipe temp. Sensor or connector of pipe temp. sensor is defective E3(indoor unit) Is connection to connector of pipe temp. Repair connector Sensor good? Check the resistance of the temp. Sensor according to Annex 1 Is the resistance normal? Replace the sensor Change main board...
  • Page 121 MCAC-HTSM-2007-11 Troubleshooting Display Malfunction or Protection Compressor discharge temperature protection When Compressor discharge temp. is more than 115°C, the unit will stop, and unit runs again when Compressor discharge temp. less than 90°C. Is the Compressor discharge temp. more than 115°C ? Is the wiring connection is right between Compressor discharge temp.
  • Page 122 Troubleshooting MCAC-HTSM-2007-11 Display Malfunction or Protection High pressure protection Outdoor master unit display P1; indoor unit alarm lamp flash slowly High/low pressure stop valve Error disappear opened completely or not? High pressure range during unit operating is Drop redundant refrigerant correct? The wire between pressure switch and main board...
  • Page 123 MCAC-HTSM-2007-11 Troubleshooting Display Malfunction or Protection Low pressure protection Outdoor master unit display P2; indoor unit alarm lamp flash slowly High/low pressure stop valve Error disappear opened completely or not? Low pressure range during unit operating is correct? Charge refrigerant The wire between pressure switch and main board works Error disappear...
  • Page 124 Troubleshooting MCAC-HTSM-2007-11 Display Malfunction or Protection Compressor current protection Check the resistance of compressor, normally U and V is 1 ohm U and W is 1 ohm V and W is 1ohm The compressor is defective Check the refrigerant circulation volume and pressure Recharge the refrigerant If refrigerant circulation volume and pressure is OK, change the outdoor main PCB.
  • Page 125 MCAC-HTSM-2007-11 Troubleshooting (LED flashes for thirteen times) Malfunction or Protection Display Module protection Check the connectors CN4, CN1 in outdoor PCBs Is connection to connector good? Whether the input voltage range is 220-240V? Is the wires to compressor right Repair connector or Correct voltage Unplug the wiring to compressor, then restart, whether display the...
  • Page 126 Troubleshooting MCAC-HTSM-2007-11 Malfunction or Protection Display Outdoor low temperature protection When outdoor temp. is lower than -15°C for more than 1 hour, the unit will stop, when the outdoor temp. is higher than -12°C for more than 10 minutes and the compressor has stopped for more than 1 hour,or the outdoor temp.
  • Page 127 MCAC-HTSM-2007-11 Troubleshooting Display Malfunction or Protection Condenser high temperature protection When Condenser high temp. is more than 65°C, the unit will stop, and unit runs again when outdoor pipe temp. less than 52°C. Is the Condenser high temp. more than 65°C ? Is the Condenser high temp.
  • Page 128 Installation MCAC-HTSM-2007-11 Part 4 Installation 1. Installation and operation instructions ..... 127 2. Precaution on Installation ......... 129 3. Vacuum dry and leakage checking ......131 4. Refrigerant charge ............. 133 5. Water drainage ............134 6. Insulation work ............137 Installation...

  • Page 129: Installation And Operation Instructions

    MCAC-HTSM-2007-11 Installation and operation instructions 1. Installation and operation instructions CAUTIONS For correct installation read this manual before starting installation and save this manual in a safe place for future reference. Only trained and qualified service personnel should install repair or service air conditioning equipment. Users should not install the air conditioner by themselves.
  • Page 130 Installation and operation instructions MCAC-HTSM-2007-11 7+12 7+7+12 9+9+9 7+9+9 9+9+12 DC inverter multi system connect different style indoor units, includes Wall Mounted type, Duct type, Cassette type and Floor and Ceiling type. All type indoor units can be freely combined. 1.4 Collocation Rules of Inverter One-Four Split Type two indoor units three indoor units...

  • Page 131: Precaution On Installation

    MCAC-HTSM-2007-11 Precaution on Installation 2. Precaution on Installation 1). Measure the necessary length of the connecting pipe, and make it by the following way. Connect the indoor unit at first, then the outdoor unit. Bend the tubing in proper way. Do not harm them. Specially Notice the pipe length/height/dimension of each capacity.
  • Page 132 Precaution on Installation MCAC-HTSM-2007-11 Be sure of no leakage by checking it with leak detector or soap water. Cover the joint of the connecting pipe to the indoor unit with the soundproof / insulating sheath (fittings), and bind it well with the tapes to prevent leakage. Installation...

  • Page 133: Vacuum Dry And Leakage Checking

    MCAC-HTSM-2007-11 Vacuum dry and leakage checking 3. Vacuum dry and leakage checking Vacuum Dry: use vacuum pump to change the moisture (liquid) into steam (gas) in the pipe and discharge it out of the pipe to make the pipe dry. Under one atmospheric pressure, the boiling point of water(steam temperature) is 100 °C .
  • Page 134 Vacuum dry and leakage checking MCAC-HTSM-2007-11 ② Special vacuum dry procedure This vacuum dry method is used in the following conditions: There’s moisture when flushing the refrigerant pipe. Rainwater may enter into the pipe. Vacuum dry for the first time ······ 2h pumping Vacuum destroy for the second time ······...

  • Page 135: Refrigerant Charge

    MCAC-HTSM-2007-11 Refrigerant charge 4. Refrigerant charge 1). When the length of the one-way pipe is less than 5m, additional refrigerant charge after vacuuming is unnecessary. 2). When the length of one-way pipe is over 5m, the additional charge quantity is as follows (unit in gram): Calculation method: Liquid diameter （...

  • Page 136: Water Drainage

    Water drainage MCAC-HTSM-2007-11 5. Water drainage 5.1 Gradient and Supporting Keep the drainpipe sloping downwards at a gradient of at least 1/100. Keep the drainpipe as short as possible and eliminate the air bubble. The horizontal drainpipe should be short. When the pipe is too long, a prop stand must be installed to keep the gradient of 1/100 and prevent bending.
  • Page 137 MCAC-HTSM-2007-11 Water drainage 5.4 Convergent drainage The number of indoor units should be as small as possible to prevent the traverse main pipe overlong. Indoor unit with drain pump and indoor unit without drain pump should be in different drainage system. 3) Selecting the diameter Number of connecting indoor units→Calculate drainage volume→Select the diameter Calculate allowed volume =Total cooling capacity of indoor units(HP)×2 (l/ hr)
  • Page 138 Water drainage MCAC-HTSM-2007-11 ‚ Turn on the power to Cooling operation. Check the pump’s operation and switch on the Water Level Switch. Check the pump’s sound and look into the transparent hard pipe in the outlet at the same time to check if the water can discharge normally. ƒ...

  • Page 139: Insulation Work

    MCAC-HTSM-2007-11 Insulation work 6. Insulation work 6.1 Insulation material and thickness Insulation material Insulation material should adopt the material which is able to endure the pipe’s temperature: no less than 70°C in the high-pressure side, no less than 120°C in the low-pressure side(For the cooling type machine, no requirements at the low-pressure side.) Example: Heat pump type----Heat-resistant Polyethylene foam (withstand above 120°C) Cooling only type---- Polyethylene foam (withstand above 100°C)
  • Page 140 Insulation work MCAC-HTSM-2007-11 ‚ Make sure there’s no clearance in the joining part of the accessorial insulation material and local preparative insulation material. 6.3 Drainage pipe insulation The connection part should be insulated, or else water will be condensing at the non-insulation part. 6.4 Note The jointing area, expanding area and the flange area should be heat insulated after passing the pressure test...
  • Page 141 MCAC-HTSM-2007-11 Control System Part 5 Control System 1. Control function ............140 2. Control device ............149 Control System...

  • Page 142: Width

    Control function MCAC-HTSM-2007-11 1. Control function 1.1 Electronic control function 1.1.1 Electric Control working environment. 1.1.1.1 Input voltage: 175~254V. 1.1.1.2 Input power frequency:50Hz. 1.1.1.3 Indoor fan normal working amp. is less than 1A. 1.1.1.4 Outdoor fan. Normal working amp. is less than 1.5A. 1.1.1.5 Four-way valve normal working amp.
  • Page 143 MCAC-HTSM-2007-11 Control function 1.1.4 Outdoor unit point check function There is a check switch in outdoor PCB. Push the switch SW1 to check the states of unit when the unit is running. The digital display tube will display the follow procedure when push SW1 each time: Capacity demand→Running mode →revised capacity →...
  • Page 144 Control function MCAC-HTSM-2007-11 Corresponding Corresponding Display Corresponding temp. Display Display temp. temp. 32.5 17.5 17.5 33.5 18.5 34.5 35~40 19.5 40~45 45~50 20.5 50~55 55~60 21.5 60~65 65~70 22.5 22.5 23.5 24.5 1.1.4.6 Outdoor pipe temp. Refers to 1.1.4.5 1.1.4.7Current of outdoor unit Display Corresponding mode 6.0 A...
  • Page 145 MCAC-HTSM-2007-11 Control function 1.1.4.8 No. 1 opening degree of electronic expansion valve: Opening degree equals the display data times 8 1.1.4.9 No. 2 opening degree of electronic expansion valve: Opening degree equals the display data times 8 1.1.4.10 No. 3 opening degree of electronic expansion valve: Opening degree equals the display data times 8 1.1.5 Protection 1.1.5.1 3 minutes delay at restart for compressor.
  • Page 146 Control function MCAC-HTSM-2007-11 1.1.7.3Anti-freezing control to indoor evaporator at cooling mode( T: evaporator temp. ) Evaporator Temp. Compressor °C T< 4 °C T > 8 1.1.8 Dehumidifying mode 1.1.8.1 the indoor fan is fixed in low speed 1.1.8.2 Low room temperature protection: When room temperature decreases to below 10°C, indoor fan stop, when room temperature restores to over 12°C, indoor fan start.
  • Page 147 MCAC-HTSM-2007-11 Control function Defrosting operation (Available for heating only). 1.1.10 Defrost 1.1.10.1Defrosting condition: The temperature of outdoor heat exchanger remains consecutively lower than -2°c for more than 40 minutes, 1.1.10.2Ending condition of defrosting If one of following conditions is satisfied, end the defrost and turn into heating mode: a.
  • Page 148 Control function MCAC-HTSM-2007-11 Stop time 7 hours 8 hours 6 hours 7 hours 1.1.15 Plasma(only available for alfa or corona type wall mounted indoor unit) Plasma turns on when the indoor fan runs. Plasma turns off automatically when front panel is opened. 1.1.16 Mode conflict The indoor units can not work cooling mode and heating at same time.
  • Page 149 MCAC-HTSM-2007-11 Control function 1.1.18 .2 Indoor unit error code explanation: Elite-panel LED4: operation LED1: auto LED2: timer LED3: defrost LED3 LED2 LED4 LED1A LED state DEFR TIMER OPER ☆ Inverter module protection ☆ Compressor top temp. protection（PRCOM） ☆ Outdoor sensor open or short circuit ☆...
  • Page 150 Control function MCAC-HTSM-2007-11 Resistanc The voltage in P3 and P4 in outdoor PCB is high voltage about 310V The voltage in P5 and P6 in outdoor PCB is high voltage about 310V 1.2.2 LED error code display for outdoor unit Display LED STATUS EEPROM error...

  • Page 151: Control Device

    MCAC-HTSM-2007-11 Control device 2. Control device 2.1 Remote Controller 2.1.1 R71A/E There‘s one model R71A/E ,for hereinafter types:MSCI-07HRIN1, MSCI-09HRIN1, MSCI-12HRIN1, MSHI-07HRIN1, MSHI-09HRIN1, MSHI-12HRIN1, MST6I-07HRIN1, MST6I-09HRIN1, MST6I-12HRIN1 The below is R71A/E remote controller Model R71A/E Rated voltage 3.0V Lowest voltage of CPU emitting signal 2.0V...
  • Page 152 Control device MCAC-HTSM-2007-11 Control System...
  • Page 153 MCAC-HTSM-2007-11 Control device Control System...
  • Page 154 Control device MCAC-HTSM-2007-11 2.1.2 R51I4/BGE,R51I4/BGCE The model R51I4/BGE,R51I4/BGCE ,for hereinafter type:MSV1I-09HRDN1, MSV1I-12HRDN1 The below is R51I4BGE, R51I4/BGCE remote controller Model R51I4BGE,R51I4/BGCE Rated voltage 3.0V(Dry batteries R03/LR03×2) Lowest voltage of CPU mitting signal 2.0V Signal receiving range 8m(whenusing3.0voltage,itGets11m) Environment -5~60°C Control System...
  • Page 155 MCAC-HTSM-2007-11 Control device Control System...
  • Page 156 Control device MCAC-HTSM-2007-11 2.1.3 R11HG/E There‘s one model R11HG/E ,for hereinafter type:MSQ4I-07HRDN1, MSQ4I-09HRDN1, MSQ4I-12HRDN1, MSQ4I-18HRIN1 MST2I-07HRIN1, MST2I-09HRIN1, MST2I-12HRIN1, MST2I-18HRIN1 The below is R11HG/E remote controller Control System...
  • Page 157 MCAC-HTSM-2007-11 Control device Control System...
  • Page 158 Control device MCAC-HTSM-2007-11 Control System...
  • Page 159 MCAC-HTSM-2007-11 Control device 2.1.4 R05-BG/E There‘s one model R05-BG/E. for hereinafter type: MSDLI-12HRIN1, MSDLI-12HRIN1 The below is R05-BG/E remote controller Model R05/BGE Rated voltage 3.0V(2pieces of LR03 7＃ batteries) Min voltage for sending signal of CPU 2.4V Effective receiving distance 8m~11m Operation condition -5~60°C...
  • Page 160 Control device MCAC-HTSM-2007-11 2.2 Wire controllers 2.2.1 KJR-01 General constant wire controller is available for cooling & heating type as default Its function of Mid-speed Fan can be adjusted by the dial switch (Sw1) in the main panel of wire controller, which is shown as follows: 1 ON 1 ON 1 OFF...

  • Page 161: Indoor Unit

    MCAC-HTSM-2007-11 Control device 2.2.2 KJR-10B/KJR-12B (with a temp. sensor built-in, indoor unit need to be customized) Remark: The main difference between these two wire controllers is the follow me function. KJR-12B/dP(T) has this function, while KJR-10B/dP(T) hasn’t. Connect sketch to indoor unit: 5-Core Shield Cable,the length i s d e c i d ed b y i n s t a l l a t i o n Indoor Unit...
  • Page 162 Control device MCAC-HTSM-2007-11 Mode selection button: It is used to select mode, push the button one time, then the operation modes will change in turn as follows: AUTO→COOLING→DEHUMIDIFY→HEATING→FAN Remarks: no heating mode if wire controller is set as the cool only. Timer on button: Push the button to set TIMER ON, each time you push the button the time moves forward by o.5 hours.

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