FWT02AATNMV1 FWT03AATNMV1 FWT04AATNMV1 FWT05AATNMV1 FWT06AATNMV1
Sound pressure level Medium dBA 35 34 36 44 48
  Low dBA 29 28 29 42 45
  High dBA 40 39 42 49 50
Water pressure drop Cooling kPa 48.3 64.7 69.3 50.3 69.3
  Heating kPa 42 58.6 60.6 50.6 70.6
Water flow Heating l/h 402 478 554 781 908
  Cooling l/h 402 478 554 781 908
Fan motor Speed Steps 3 (high, medium, low) 3 (high, medium, low) 3 (high, medium, low) 3 (high, medium, low) 3 (high, medium, low)
  Model Induction Induction Induction Induction Induction
Cooling capacity Total capacity Nom. kW 2.23 (1) 2.68 (1) 2.74 (1) 4.10 (1) 4.95 (1)
    High kW 2.34 (1) 2.78 (1) 3.22 (1) 4.54 (1) 5.28 (1)
    Low kW 2.10 (1) 2.20 (1) 2.20 (1) 3.95 (1) 4.25 (1)
  Sensible capacity Low kW 1.29 (1) 1.61 (1) 1.70 (1) 3.04 (1) 3.44 (1)
    High kW 1.74 (1) 2.03 (1) 2.35 (1) 3.65 (1) 4.33 (1)
    Nom. kW 1.51 (1) 1.82 (1) 2.00 (1) 3.21 (1) 3.95 (1)
Heat exchanger Water volume l 0.49 0.57 0.57 0.85 0.85
  Fin pitch mm 1.41 1.41 1.41 1.41 1.41
  Stages Quantity 8 8 8 8, 4 8, 4
  Rows Quantity 2 2 2 2 2
  Face area 0.20 0.23 0.23 0.33 0.33
Piping connections Drain OD mm 16 16 16 20 20
Power input Nom. W 22 22 23 46 47
  Low W 20 20 21 39 39
  High W 24 25 29 66 69
Sound power level High dBA 53 53 55 61 64
  Low dBA 44 43 44 55 59
  Nom. dBA 48 47 49 57 61
Air filter Type Washable Sarannet (nano filter) Washable Sarannet (nano filter) Washable Sarannet (nano filter) Washable Sarannet (nano filter) Washable Sarannet (nano filter)
Dimensions Packed unit Width mm 857 957 957 1,130 1,130
    Height mm 337 337 337 378 378
    Depth mm 270 270 270 292 292
  Unit Width mm 799 899 899 1,062 1,062
    Depth mm 198 198 198 222 222
    Height mm 260 260 260 304 304
Water connections Std. heat exchanger inch 1/2   1/2 1/2 1/2
Casing Material High impact polystyrene High impact polystyrene High impact polystyrene High impact polystyrene High impact polystyrene
Weight Packed unit kg 11.0 13.0 13.0 17.0 17.0
  Operation weight kg 10.0 13.0 13.0 17.0 17.0
  Unit kg 10.0 12.0 12.0 16.0 16.0
Fan Air flow rate Medium m³/h 382 425 484 833 985
    Low m³/h 297 340 374 748 799
    High m³/h 467 510 586 1,070 1,121
  Quantity Direct drive cross flow fan Direct drive cross flow fan Direct drive cross flow fan Direct drive cross flow fan Direct drive cross flow fan
Heating capacity 2-Pipe Low kW 2.38 (2) 2.64 (2) 2.78 (2) 4.63 (2) 5.33 (2)
    Medium kW 2.71 (2) 3.31 (2) 3.40 (2) 5.01 (2) 6.18 (2)
    High kW 3.02 (2) 3.75 (2) 4.10 (2) 6.01 (2) 6.74 (2)
Vibration insulation PE PE PE PE PE
Current input High A 0.11 0.11 0.13 0.29 0.30
  Medium A 0.08 0.09 0.10 0.19 0.25
  Low A 0.07 0.08 0.09 0.17 0.24
Required wire section mm² 1.5 1.5 1.5 1.5 1.5
Required fuses A 2 2 2 2 2
Power supply Frequency Hz 50 50 50 50 50
  Voltage V 220-240 220-240 220-240 220-240 220-240
  Phase 1~ 1~ 1~ 1~ 1~
Notes Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP
  Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP
  Sound power level according to ISO3741 Sound power level according to ISO3741 Sound power level according to ISO3741 Sound power level according to ISO3741 Sound power level according to ISO3741
  Sound pressure measured at 1m in front of the unit and 0.8m below the vertical centre line of the unit (JIS C 9612). Sound pressure measured at 1m in front of the unit and 0.8m below the vertical centre line of the unit (JIS C 9612). Sound pressure measured at 1m in front of the unit and 0.8m below the vertical centre line of the unit (JIS C 9612). Sound pressure measured at 1m in front of the unit and 0.8m below the vertical centre line of the unit (JIS C 9612). Sound pressure measured at 1m in front of the unit and 0.8m below the vertical centre line of the unit (JIS C 9612).
Water connections Std. heat exchanger inch   1/2