FWD04AAFN6V3 FWD04ACFN6V3 FWD06AAFN6V3 FWD06ACFN6V3 FWD08AAFN6V3 FWD08ACFN6V3 FWD10AAFN6V3 FWD10ACFN6V3 FWD12AAFN6V3 FWD12ACFN6V3 FWD16AAFN6V3 FWD16ACFN6V3 FWD18AAFN6V3 FWD18ACFN6V3
Sound pressure level Medium dBA   56 (5)   59 (5)   62 (5)   62 (5)   62 (5)   68 (5)   68 (5)
  Low dBA   49 (5)   56 (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 9   15   13   13   12   16   16  
  Cooling Rated kPa 17   24   24   16   26   34   45  
Inlet section + radiated sound power Medium dBA   59 (4)   60 (4)   64 (4)   64 (4)   65 (4)   71 (4)   71 (4)
  Low dBA   52 (4)   56 (4)   60 (4)   60 (4)   58 (4)   67 (4)   67 (4)
  High dBA   64 (4)   66 (4)   70 (4)   70 (4)   72 (4)   76 (4)   76 (4)
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 Medium dBA   61 (4)   64 (4)   67 (4)   67 (4)   67 (4)   73 (4)   73 (4)
  Low dBA   54 (4)   61 (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   491 (1)   904 (1)   1,075 (1)   1,185 (1)   1,493 (1)   2,138 (1)   2,358 (1)
    Medium l/h   602 (1)   978 (1)   1,187 (1)   1,319 (1)   1,808 (1)   2,550 (1)   2,811 (1)
    High l/h   666 (1)   1,040 (1)   1,322 (1)   1,476 (1)   2,130 (1)   2,940 (1)   3,254 (1)
  Heating Medium l/h   322 (3)   483 (3)   654 (3)   651 (3)   1,105 (3)   1,503 (3)   1,490 (3)
    High l/h   342 (3)   501 (3)   700 (3)   695 (3)   1,264 (3)   1,690 (3)   1,680 (3)
    Low l/h   283 (3)   460 (3)   614 (3)   612 (3)   950 (3)   1,302 (3)   1,295 (3)
  Water pressure drop Heating Medium kPa   6 (3)   13 (3)   9 (3)   22 (3)   8 (3)   17 (3)   16 (3)
      High kPa   7 (3)   14 (3)   10 (3)   25 (3)   10 (3)   21 (3)   20 (3)
      Low kPa   5 (3)   12 (3)   8 (3)   20 (3)   6 (3)   12 (3)   13 (3)
    Cooling Medium kPa   14 (1)   21 (1)   19 (1)   13 (1)   21 (1)   28 (1)   37 (1)
      High kPa   17 (1)   23 (1)   23 (1)   15 (1)   28 (1)   36 (1)   48 (1)
      Low kPa   10 (1)   18 (1)   16 (1)   10 (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 349   581   808   808   1,392   1,856   1,856  
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 1.42 2 1.79 2 2.38 3 2.50 3 4.02 5 5.03 6
  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  
Additional heat exchanger Water volume l 0.35 1 0.47 1 0.59 1 0.59 1 1.42 2 1.72 2 1.72 2
  Rows Quantity 1   1   1   1   2   2   2  
  Fin pitch mm 1.8   1.8   1.8   1.8   2.1   2.1   2.1  
  Face area 0.138   0.190   0.243   0.243   0.340   0.414   0.414  
  Stages Quantity 10   10   10   10   12   12   12  
Piping connections Drain OD mm 16 17 16 17 16 17 16 17 16 17 16 17 16 17
Water content Primary coil dm³   1.29   1.65   2.16   2.75   2.99   4.59   5.52
  Additional coil dm³   0.93   1.05   1.17   1.17   2.10   2.31   2.39
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
  Medium kW   0.19   0.39   0.38   0.38   0.54   1.09   1.09
  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  
Outlet section sound power Low dBA   51 (4)   59 (4)   58 (4)   58 (4)   57 (4)   66 (4)   66 (4)
  High dBA   63 (4)   65 (4)   69 (4)   69 (4)   71 (4)   75 (4)   75 (4)
  Medium dBA   58 (4)   62 (4)   63 (4)   63 (4)   64 (4)   70 (4)   70 (4)
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   3/4 "   3/4 "   3/4 "   3/4 "   1/2"   1/2"   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 35 34.7 43 43.2 50 50.3 52 51.7 71 70.9 83 83.4 86 85.9
Fan Air flow rate Medium m³/h   694   1,115   1,362   1,349   1,871   2,626   2,590
    Low m³/h   532   1,004   1,194   1,186   1,466   2,084   2,065
    High m³/h 800 794 1,250 1,212 1,600 1,573 1,600 1,550 2,200 2,328 3,000 3,186 3,000 3,155
  Available static pressure Medium Pa   50   50   50   50   50   54   50
    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 63   53   63   59   92   138   128  
Cooling capacity (standard conditions) Total capacity 4-pipe Low kW   2.73 (1)   4.92 (1)   5.97 (1)   6.61 (1)   8.33 (1)   11.59 (1)   12.87 (1)
    High kW   3.62 (1)   5.60 (1)   7.20 (1)   8.10 (1)   11.66 (1)   15.84 (1)   17.66 (1)
    Medium kW   3.33 (1)   5.32 (1)   6.54 (1)   7.31 (1)   10.00 (1)   13.77 (1)   15.29 (1)
  Sensible capacity 4-pipe Low kW   2.09 (1)   3.60 (1)   4.79 (1)   5.17 (1)   6.29 (1)   8.58 (1)   9.34 (1)
    Medium kW   2.57 (1)   3.89 (1)   5.31 (1)   5.77 (1)   7.66 (1)   10.38 (1)   11.34 (1)
    High kW   2.80 (1)   4.08 (1)   5.94 (1)   6.46 (1)   9.06 (1)   12.14 (1)   13.41 (1)
  Latent capacity 4-pipe High kW   0.82 (1)   1.52 (1)   1.27 (1)   1.64 (1)   2.60 (1)   3.70 (1)   4.25 (1)
Heating capacity 4-Pipe High kW 4.49 (2)   6.62 (2)   9.21 (2)   9.21 (2)   15.86 (2)   21.15 (2)   21.15 (2)  
Heating capacity (standard conditions) Capacity 4-pipe Medium kW   3.68 (3)   5.51 (3)   7.47 (3)   7.44 (3)   12.63 (3)   17.17 (3)   17.03 (3)
    Low kW   3.23 (3)   5.25 (3)   7.02 (3)   6.99 (3)   10.86 (3)   14.88 (3)   14.79 (3)
    High kW   3.91 (3)   5.72 (3)   7.99 (3)   7.94 (3)   14.43 (3)   19.30 (3)   19.20 (3)
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  
Electric heater Frequency Hz   50   50   50   50   50   50   50
  Current A   8.7   26.1   39.1   39.1   39.1   52.2   52.2
  Power input kW   2.0   6.0   9.0   9.0   9.0   12.0   12.0
  Voltage V   230   230   230   230   230   230   230
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 0.5 1 1.0 1.5 1.0 1.5 1.0 2 1.0 2.5 1.5 2.5 1.5
Maximum absorbed current A   1.210   2.100   2.500   2.500   3.500   5.600   5.600
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 Rating conditions 4-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. Rating conditions 4-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. Rating conditions 4-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. Rating conditions 4-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. Rating conditions 4-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. Rating conditions 4-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. Rating conditions 4-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.
  Rating conditions 4-pipe: air 20°CDB - entering water 70°C - leaving water 60°C at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Rating conditions 4-pipe: air 20°CDB - entering water 70°C - leaving water 60°C at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Rating conditions 4-pipe: air 20°CDB - entering water 70°C - leaving water 60°C at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Rating conditions 4-pipe: air 20°CDB - entering water 70°C - leaving water 60°C at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Rating conditions 4-pipe: air 20°CDB - entering water 70°C - leaving water 60°C at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Rating conditions 4-pipe: air 20°CDB - entering water 70°C - leaving water 60°C at nominal air flow and ESP Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. Rating conditions 4-pipe: air 20°CDB - entering water 70°C - leaving water 60°C 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.
FCEER CLASS   E   E   E   E   D   E   E
FCCOP CLASS   D   E   D   D   D   E   E
Casing Material     Galvanised steel   Galvanised steel   Galvanised steel   Galvanised steel   Galvanised steel   Galvanised steel   Galvanised steel
Heat exchanger Type     Cross fin coil   Cross fin coil   Cross fin coil   Cross fin coil   Cross fin coil   Cross fin coil   Cross fin coil
  Rows Quantity     3   3   3   4   3   4   5
  Fin Type     Aluminium   Aluminium   Aluminium   Aluminium   Aluminium   Aluminium   Aluminium
  Tube material     Copper   Copper   Copper   Copper   Copper   Copper   Copper
Additional heat exchanger Rows Quantity     1   1   1   1   2   2   2
Air filter Type     Acrylic fiber - Filtering class G2 (G4 on request)   Acrylic fiber - Filtering class G2 (G4 on request)   Acrylic fiber - Filtering class G2 (G4 on request)   Acrylic fiber - Filtering class G2 (G4 on request)   Acrylic fiber - Filtering class G2 (G4 on request)   Acrylic fiber - Filtering class G2 (G4 on request)   Acrylic fiber - Filtering class G2 (G4 on request)
Fan Type     Centrifugal   Centrifugal   Centrifugal   Centrifugal   Centrifugal   Centrifugal   Centrifugal
  Quantity     1   2   2   2   2   2   2
Insulation material   Open type cell foam with plastic film   Open type cell foam with plastic film   Open type cell foam with plastic film   Open type cell foam with plastic film   Open type cell foam with plastic film   Open type cell foam with plastic film   Open type cell foam with plastic film
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~
Electric heater 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