3MXS52E3V1B 3MXS52E4V1B 3MXS52E4V1B2
Sound pressure level Heating Nom. dBA 47 47  
  Cooling Nom. dBA 46 46  
Standard Accessories Item 1 1 1
  Item 1 1 1
  Item 1 1 1
  Item 1 1 1
Refrigerant Charge TCO2Eq 4.2 4.2  
  Charge kg 2.0 2.0  
  GWP R-410A R-410A  
Fan motor Output W 53 53  
  Speed Cooling High rpm 720 720  
      Low rpm 660 660  
    Heating High rpm 720 720  
      Low rpm 660 660  
  Model KFD-380-50-8A KFD-380-50-8C  
Operation range Cooling Ambient Max. °CDB 46 46 46
      Min. °CDB -10 -10 -10
  Heating Ambient Max. °CWB 15.5 18 18
      Min. °CWB -15 -15 -15
Heat exchanger Fin Treatment Colgate fin Colgate fin  
  Rows Quantity 2 2  
  Length mm 845 845  
  Fin pitch mm 1.8 1.8  
  Stages Quantity 32 32  
  Tube type ø7.94 grooved tubes 24 ø7.94 grooved tubes 24  
Piping connections Piping length OU - IU Max. m 25 25  
  Liquid OD mm 6.35 6.35  
    Quantity 3 3  
  Gas OD mm 9.52 9.52  
    Quantity 2 2  
  Drain OD mm 18 16 (inner diameter of connecting hose)  
  Gas 2 OD mm 12.7 12.7  
    Quantity 1 1  
  Level difference IU - IU Max. m 7.5 7.5  
    IU - OU Max. m 15 15  
  Additional refrigerant charge kg/m 0.02 (for piping length exceeding 30m) 0.02 (for piping length exceeding 30m)  
  Total piping length System Actual m 50 50  
  Heat insulation Both liquid and gas pipes Both liquid and gas pipes  
Sound power level Cooling dBA 59 59 59
  Heating dBA   60 60
Dimensions Packed unit Width mm 992 992  
    Height mm 797 797  
    Depth mm 390 390  
  Unit Width mm 936 936 936
    Depth mm 300 300 300
    Height mm 735 735 735
Compressor Output W 1,100 1,100  
  Compressor-=-Type 2YC36BXD 2YC36BXD  
Casing Colour Ivory white Ivory white  
Weight Packed unit kg 56 56  
  Unit kg 49 49 49
Fan Running current Cooling High A 0.33 0.33  
      Low A 0.29 0.29  
    Heating High A 0.33 0.33  
      Low A 0.29 0.29  
  Air flow rate Heating Low cfm 1,448 1,448  
      High m³/min 45 45  
      Low m³/min 41 41  
      High cfm 1,589 1,589  
    Cooling Low m³/min 45 45  
      Nom. m³/min   45  
      Low cfm 1,589 1,589  
      Nom. cfm   1,589  
      High m³/min 45 45  
      High cfm 1,589 1,589  
  Power consumption Cooling High W 43 43  
      Low W 34 34  
    Heating Low W 34 34  
      High W 43 43  
  Type Propeller fan Propeller fan  
Refrigerant oil Charged volume l 0.65 0.65  
  Type FVC50K FVC50K  
Wiring connections For connection with indoor Quantity 4    
  For power supply Quantity 3 3 for power supply, 4 for interunit wiring (including earth wiring)  
Current - 50Hz Maximum fuse amps (MFA) A 20 20  
Power supply Frequency Hz 50 50 50
  Voltage V 230 230 230
  Phase 1~ 1~  
Current Starting current Cooling A 6.2 6.2  
    Heating A 6.2 6.2  
Notes Cooling: indoor temp. 27°CDB, 19.0°CWB; outdoor temp. 35°CDB; equivalent piping length: 7.5m Cooling: indoor temp. 27°CDB, 19.0°CWB; outdoor temp. 35°CDB; equivalent piping length: 7.5m Cooling: indoor temp. 27°CDB, 19.0°CWB; outdoor temp. 35°CDB; equivalent piping length: 7.5m
  Heating: indoor temp. 20°CDB; outdoor temp. 7°CDB, 6°CWB; equivalent refrigerant piping: 7.5m Heating: indoor temp. 20°CDB; outdoor temp. 7°CDB, 6°CWB; equivalent refrigerant piping: 7.5m Heating: indoor temp. 20°CDB; outdoor temp. 7°CDB, 6°CWB; equivalent refrigerant piping: 7.5m
  Contains fluorinated greenhouse gases Contains fluorinated greenhouse gases Contains fluorinated greenhouse gases
Capacity control Method   Inverter controlled  
Compressor Compressor-=-Type       Hermetically sealed swing compressor
Sound pressure level Cooling Nom. dBA     46
  Heating Nom. dBA     47
Refrigerant Type       R-410A
  Charge kg     2.0
  Charge TCO2Eq     4.2
  GWP       2,087.5
Piping connections Additional refrigerant charge kg/m     0.02 (for piping length exceeding 30m)
  Level difference IU - OU Max. m     15
    IU - IU Max. m     7.5
  Total piping length System Actual m     50
Power supply Phase       1~