Specifications Table for FWD-AT

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)
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)
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
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"
Casing Colour   Not painted (galvanised)   Not painted (galvanised)   Not painted (galvanised)   Not painted (galvanised)   Not painted (galvanised)   Not painted (galvanised)   Not painted (galvanised)
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
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 (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)
Current input 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
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~ 1~ 1~ 1~ 1~ 1~ 1~ 1~
  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
Notes (1) - Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP (1) - Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. (1) - Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP (1) - Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. (1) - Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP (1) - Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. (1) - Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP (1) - Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. (1) - Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP (1) - Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. (1) - Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP (1) - Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K. (1) - Cooling: 2 pipe: air 27°CDB, 19°CWB; entering water 7°C; leaving water 12°C at nominal air flow and ESP (1) - Cooling: indoor temp. 27°CDB, 19°CWB; entering water temp. 7°C, water temperature rise 5K.
  (2) - Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP (2) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. (2) - Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP (2) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. (2) - Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP (2) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. (2) - Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP (2) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. (2) - Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP (2) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. (2) - Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP (2) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K. (2) - Heating: 2 pipe: air 20°CDB; entering water 50°C; water flow as in cooling mode at nominal air flow and ESP (2) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 45°C, water temperature drop 5K.
  (3) - Maximum Power input at 0Pa ESP (3) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. (3) - Maximum Power input at 0Pa ESP (3) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. (3) - Maximum Power input at 0Pa ESP (3) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. (3) - Maximum Power input at 0Pa ESP (3) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. (3) - Maximum Power input at 0Pa ESP (3) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. (3) - Maximum Power input at 0Pa ESP (3) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K. (3) - Maximum Power input at 0Pa ESP (3) - Heating: indoor temp. 20°CDB, 15°CWB; entering water temp. 65°C, water temperature drop 10K.
  (4) - Sound level at 0Pa ESP (4) - Sound power level according to ISO3741 (4) - Sound level at 0Pa ESP (4) - Sound power level according to ISO3741 (4) - Sound level at 0Pa ESP (4) - Sound power level according to ISO3741 (4) - Sound level at 0Pa ESP (4) - Sound power level according to ISO3741 (4) - Sound level at 0Pa ESP (4) - Sound power level according to ISO3741 (4) - Sound level at 0Pa ESP (4) - Sound power level according to ISO3741 (4) - Sound level at 0Pa ESP (4) - Sound power level according to ISO3741
  (5) - Current input at 0Pa ESP (5) - The sound pressure level is measured via a microphone at 1m distance of the unit. (5) - Current input at 0Pa ESP (5) - The sound pressure level is measured via a microphone at 1m distance of the unit. (5) - Current input at 0Pa ESP (5) - The sound pressure level is measured via a microphone at 1m distance of the unit. (5) - Current input at 0Pa ESP (5) - The sound pressure level is measured via a microphone at 1m distance of the unit. (5) - Current input at 0Pa ESP (5) - The sound pressure level is measured via a microphone at 1m distance of the unit. (5) - Current input at 0Pa ESP (5) - The sound pressure level is measured via a microphone at 1m distance of the unit. (5) - Current input at 0Pa ESP (5) - The sound pressure level is measured via a microphone at 1m distance of the unit.