FWD04AATN6V3 FWD04ACTN6V3 FWD06AATN6V3 FWD06ACTN6V3 FWD08AATN6V3 FWD08ACTN6V3 FWD10AATN6V3 FWD10ACTN6V3 FWD12AATN6V3 FWD12ACTN6V3 FWD16AATN6V3 FWD16ACTN6V3 FWD18AATN6V3 FWD18ACTN6V3
Sound pressure level Low dBA   49 (5)   54 (5)   57 (5)   57 (5)   55 (5)   64 (5)   64 (5)
  High dBA   61 (5)   64 (5)   67 (5)   67 (5)   69 (5)   73 (5)   73 (5)
Water pressure drop Heating Rated kPa 14   20   20   13   21   28   37  
  Cooling Rated kPa 17   24   24   16   26   34   45  
Control systems Wired remote control FWEC1A, FWEC2A, FWEC3A   FWEC1A, FWEC2A, FWEC3A   FWEC1A, FWEC2A, FWEC3A   FWEC1A, FWEC2A, FWEC3A   FWEC1A, FWEC2A, FWEC3A   FWEC1A, FWEC2A, FWEC3A   FWEC1A, FWEC2A, FWEC3A  
Total sound power level Low dBA   54 (4)   59 (4)   62 (4)   62 (4)   60 (4)   69 (4)   69 (4)
  High dBA   66 (4)   69 (4)   72 (4)   72 (4)   74 (4)   78 (4)   78 (4)
Water flow Cooling Low l/h   493 (1)   915 (1)   1,085 (1)   1,197 (1)   1,509 (1)   2,145 (1)   2,365 (1)
    High l/h   671 (1)   1,059 (1)   1,344 (1)   1,501 (1)   2,163 (1)   2,953 (1)   3,270 (1)
  Heating High l/h   705 (2)   1,114 (2)   1,369 (2)   1,551 (2)   2,209 (2)   3,008 (2)   3,311 (2)
    Low l/h   529 (2)   972 (2)   1,124 (2)   1,264 (2)   1,573 (2)   2,203 (2)   2,389 (2)
  Water pressure drop Heating High kPa   15 (2)   22 (2)   21 (2)   14 (2)   25 (2)   31 (2)   41 (2)
      Low kPa   9 (2)   17 (2)   15 (2)   10 (2)   14 (2)   18 (2)   23 (2)
    Cooling High kPa   17 (1)   24 (1)   24 (1)   16 (1)   29 (1)   37 (1)   48 (1)
      Low kPa   10 (1)   18 (1)   17 (1)   11 (1)   15 (1)   21 (1)   27 (1)
    Nom. l/h 674   1,064   1,339   1,514   2,056   2,833   3,140  
  Heating Nom. l/h 674   1,064   1,339   1,514   2,056   2,833   3,140  
Fan motor Model Closed induction, B class insulation, winding thermal cut-out   Closed induction, B class insulation, winding thermal cut-out   Closed induction, B class insulation, winding thermal cut-out   Closed induction, B class insulation, winding thermal cut-out   Closed induction, B class insulation, winding thermal cut-out   Closed induction, B class insulation, winding thermal cut-out   Closed induction, B class insulation, winding thermal cut-out  
  Speed Steps 3 (high, medium, low)   3 (high, medium, low)   3 (high, medium, low)   3 (high, medium, low)   3 (high, medium, low)   3 (high, medium, low)   3 (high, medium, low)  
Cooling capacity Total capacity High kW 3.90 (1)   6.20 (1)   7.80 (1)   8.82 (1)   11.90 (1)   16.40 (1)   18.30 (1)  
  Sensible capacity High kW 3.08 (1)   4.65 (1)   6.52 (1)   7.16 (1)   9.36 (1)   12.80 (1)   14.10 (1)  
Heat exchanger Water volume l 1.06   1.42   1.79   2.38   2.5   4.02   5.03  
  Rows Quantity 3   3   3   4   3   4   5  
  Face area 0.138   0.190   0.243   0.243   0.340   0.414   0.414  
  Fin pitch mm 2.1   1.8   2.1   2.1   2.1   2.1   2.1  
  Stages Quantity 10   10   10   10   14   14   14  
Piping connections Drain OD mm 16 17 16 17 16 17 16 17 16 17 16 17 16 17
Power input High kW   0.265   0.460   0.505   0.505   0.750   1.300   1.300
  Low kW   0.14   0.35   0.29   0.29   0.37   0.87   0.87
  Nom. W 173   294   336   336   473   966   966  
  Low W 130   247   261   261   328   704   704  
  High W 234   349   443   443   714   1,197   1,197  
Sound power level High dBA 66   69   72   72   74   78   78  
  Low dBA 54   59   62   62   60   69   69  
  Nom. dBA 61   63   67   67   67   73   73  
Air filter Type Acrylic - Filtering class EU2   Acrylic - Filtering class EU2   Acrylic - Filtering class EU2   Acrylic - Filtering class EU2   Acrylic - Filtering class EU2   Acrylic - Filtering class EU2   Acrylic - Filtering class EU2  
Allowed water temperature Heating Max. °C   95.000   95.000   95.000   95.000   95.000   95.000   95.000
    Min. °C   5.00   5.00   5.00   5.00   5.00   5.00   5.00
  Cooling Min. °C   5   5   5   5   5   5   5
    Max. °C   95.0   95.0   95.0   95.0   95.0   95.0   95.0
Dimensions Unit Width mm 754 754 964 964 1,174 1,170 1,174 1,170 1,174 1,170 1,384 1,380 1,384 1,380
    Depth mm 559 280 559 280 559 280 559 280 718 353 718 353 718 353
    Height mm 280 559 280 559 280 559 280 559 352 718 352 718 352 718
Water connections Additional coil inch                           1/2"
  Primary coil inch   3/4 "   3/4 "   3/4 "   3/4 "   1/2"   1/2"   1/2"
  Std. heat exchanger inch 3/4   3/4   3/4   3/4   1   1   1  
Casing Colour Galvanised sheet metal   Galvanised sheet metal   Galvanised sheet metal   Galvanised sheet metal   Galvanised sheet metal   Galvanised sheet metal   Galvanised sheet metal  
Weight Unit kg 33 32.5 41 40.6 47 47.3 49 48.7 65 65.3 77 77.0 80 79.5
Fan Air flow rate Low m³/h   534   1,021   1,208   1,200   1,485   2,092   2,073
    High m³/h 800 802 1,250 1,241 1,600 1,609 1,600 1,584 2,200 2,380 3,000 3,206 3,000 3,175
  Available static pressure High Pa   67   59   67   66   78   76   74
    Low Pa   38   41   38   38   30   31   32
  Type 1   2   2   2   2   2   2  
  Available pressure High Pa 66   58   68   64   97   145   134  
Cooling capacity (standard conditions) Sensible capacity 2-pipe Low kW   2.10 (1)   3.66 (1)   4.84 (1)   5.23 (1)   6.35 (1)   8.61 (1)   9.37 (1)
    High kW   2.83 (1)   4.16 (1)   6.04 (1)   6.58 (1)   9.22 (1)   12.21 (1)   13.49 (1)
  Total capacity 2-pipe Low kW   2.74 (1)   4.99 (1)   6.03 (1)   6.68 (1)   8.42 (1)   11.63 (1)   12.92 (1)
    High kW   3.65 (1)   5.71 (1)   7.33 (1)   8.25 (1)   11.86 (1)   15.92 (1)   17.74 (1)
Heating capacity 2-Pipe High kW 4.05 (2)   7.71 (2)   9.43 (2)   10.79 (2)   14.45 (2)   19.81 (2)   21.92 (2)  
Heating capacity (standard conditions) Capacity 2-pipe High kW   4.05 (2)   6.42 (2)   7.88 (2)   8.93 (2)   12.72 (2)   17.29 (2)   19.05 (2)
    Low kW   3.04 (2)   5.59 (2)   6.47 (2)   7.28 (2)   9.06 (2)   12.68 (2)   13.73 (2)
Vibration insulation Class 1 self-extinguishing   Class 1 self-extinguishing   Class 1 self-extinguishing   Class 1 self-extinguishing   Class 1 self-extinguishing   Class 1 self-extinguishing   Class 1 self-extinguishing  
Current input Medium A 0.74   1.39   1.52   1.52   2.08   4.38   4.38  
  High A 0.95   1.58   1.97   1.97   3.21   5.37   5.37  
  Low A 0.57   1.18   1.20   1.20   1.50   3.26   3.26  
Required wire section mm² 1   1   1.5   1.5   2   2.5   2.5  
Required fuses A 2   2   2   4   4   6   6  
Power supply Frequency Hz 50 50 50 50 50 50 50 50 50 50 50 50 50 50
  Voltage V 230 230 230 230 230 230 230 230 230 230 230 230 230 230
  Phase 1~   1~   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: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K.
  Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K.
  Maximum Power input at 0Pa ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. Maximum Power input at 0Pa ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. Maximum Power input at 0Pa ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. Maximum Power input at 0Pa ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. Maximum Power input at 0Pa ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. Maximum Power input at 0Pa ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. Maximum Power input at 0Pa ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K.
  Sound level at 0Pa ESP Sound power level according to ISO3741 Sound level at 0Pa ESP Sound power level according to ISO3741 Sound level at 0Pa ESP Sound power level according to ISO3741 Sound level at 0Pa ESP Sound power level according to ISO3741 Sound level at 0Pa ESP Sound power level according to ISO3741 Sound level at 0Pa ESP Sound power level according to ISO3741 Sound level at 0Pa ESP Sound power level according to ISO3741
  Current input at 0Pa ESP The sound pressure level is measured via a microphone at 1m distance of the unit. Current input at 0Pa ESP The sound pressure level is measured via a microphone at 1m distance of the unit. Current input at 0Pa ESP The sound pressure level is measured via a microphone at 1m distance of the unit. Current input at 0Pa ESP The sound pressure level is measured via a microphone at 1m distance of the unit. Current input at 0Pa ESP The sound pressure level is measured via a microphone at 1m distance of the unit. Current input at 0Pa ESP The sound pressure level is measured via a microphone at 1m distance of the unit. Current input at 0Pa ESP The sound pressure level is measured via a microphone at 1m distance of the unit.
Power supply Type     230 / 1 / 50   230 / 1 / 50   230 / 1 / 50   230 / 1 / 50   230 / 1 / 50   230 / 1 / 50   230 / 1 / 50
  Phase     1~   1~   1~   1~   1~   1~   1~