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Freshwater module

FWS-2-60/80

Freshwater module with high-efficiency pumps (EEI < 0.23) for BSP / BSP-W stratification cylinder

FWS-260
FWS-280
FWS-2Cascade
  • For BSP/BSP-W stratification cylinder
  • Hygienic DHW heating
  • With high-efficiency pumps (EEI <0.23) for heating and DHW applications

What do you want to know?

Overview of benefits

Can be mounted on the wall or cylinder (SPU-2) without the need for expensive accessories

Electronically controlled, only the temperature needs to be selected

Highly efficient DHW circulation pump can be integrated as an accessory

Fully pre-assembled with attractively designed thermal insulation

Scale prevention through admixture in the primary circuit

Infinitely variable output adjustment thanks to a variable speed pump

Automatic readjustment for outstanding DHW convenience (FWS-2-80: electronic, FWS-2-60: thermostatic)

FWS-2-80 including taps on the DHW side of the heat exchanger

FWS-2-80 including thermal disinfection function 

Preconfigured cascade sets of up to 4 units (FWS-2-80)

Cascade sets comprising freshwater modules, cascade controller, cascade valves, DN50 piping and hygiene kit

Well-insulated cascade piping

Specifications

FWS-2-60/80
Freshwater module
FWS-2-60
FWS-2-80
DHW output at cold water temperature 10°C at 70°C buffer/DHW temperature 60°C
l/min
25
27
DHW output at cold water temperature 10°C at 65°C buffer/DHW temperature 45°C
l/min
25
40
DHW output at cold water temperature 10°C at 50°C buffer/DHW temperature 45°C
l/min
-
25
Max. heating operating pressure
bar
3
3
Max. water operating pressure
bar
10
10
Max. operating temperature
°C
95
95
Power consumption
W
45
48
Weight
kg
17
20
Electrical connection
230V / 50Hz
230V / 50Hz

Specifications

FWS-2-60/80

  • FWS-2-60

  • FWS-2-80

    DHW output at cold water temperature 10°C at 70°C buffer/DHW temperature 60°C (l/min)
    25
    27
    DHW output at cold water temperature 10°C at 65°C buffer/DHW temperature 45°C (l/min)
    25
    40
    DHW output at cold water temperature 10°C at 50°C buffer/DHW temperature 45°C (l/min)
    -
    25
    Max. heating operating pressure (bar)
    3
    3
    Max. water operating pressure (bar)
    10
    10
    Max. operating temperature (°C)
    95
    95
    Power consumption (W)
    45
    48
    Weight (kg)
    17
    20
    Electrical connection
    230V / 50Hz
    230V / 50Hz

    Specifications

    FWS-2-80 Cascade
    Type
    FWS-2-80
    x2
    x3
    x4
    Rated output
    kW
    174
    268
    330
    Output factor
    NL
    27
    54
    75
    Height
    mm
    1182
    1182
    1182
    Width
    mm
    1020
    1520
    2520
    Depth
    mm
    396
    396
    396
    Cold water / DHW connection
    Thread
    2
    2
    2
    Heating flow / return
    Thread
    2
    2
    2
    Temperatures primary flow / secondary cold water/DHW
    °C
    70/10/60
    70/10/60
    70/10/60
    Continuous output, secondary at 60°C
    l/min
    50
    77
    95
    Max. permiss. op. pressure, primary
    bar
    3
    3
    3
    Max. permiss. op. pressure, secondary
    bar
    10
    10
    10
    Electrical power consumption
    W
    97
    145
    193
    Electrical connection
    230 V / 50 Hz
    230 V / 50 Hz
    230 V / 50 Hz

    Specifications

    FWS-2-80 Cascade

    • x2

    • x3

    • x4

      Rated output (kW)
      174
      268
      330
      Output factor (NL)
      27
      54
      75
      Height (mm)
      1182
      1182
      1182
      Width (mm)
      1020
      1520
      2520
      Depth (mm)
      396
      396
      396
      Cold water / DHW connection (Thread)
      2
      2
      2
      Heating flow / return (Thread)
      2
      2
      2
      Temperatures primary flow / secondary cold water/DHW (°C)
      70/10/60
      70/10/60
      70/10/60
      Continuous output, secondary at 60°C (l/min)
      50
      77
      95
      Max. permiss. op. pressure, primary (bar)
      3
      3
      3
      Max. permiss. op. pressure, secondary (bar)
      10
      10
      10
      Electrical power consumption (W)
      97
      145
      193
      Electrical connection
      230 V / 50 Hz
      230 V / 50 Hz
      230 V / 50 Hz
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