A +
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Domestic Hot Water Heat Pump

FHS

Die DHW Expert

The new Functionline domestic hot water heat pump is available in three new variants.

FHS180-S
FHS280-S
FHS280-HE

High efficiency, a wide application range and compact dimensions make the FHS a true DHW expert. For both existing buildings and new builds - whether in a single family home or an apartment block.

What do you want to know?

Advantages at a glance

Six good reasons for choosing the domestic hot water heat pump FHS

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Domestic hot water heat pumps for all situations

Whether modernising or building from scratch, detached house or apartment block, as part of a WOLF complete solution or as an individual appliance to supplement the existing heating system (biomass, oil, gas) – WOLF domestic hot water heat pumps are designed for an impressively wide range of applications.

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Easy installation

All domestic hot water heat pumps are delivered fully wired (230 V). Practical, screw-in carry handles make transport easy.

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Simple operation & quick configuration

Intuitive operation with rotary selector. All important functions can be set in a single main menu.

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Flexible operating modes possible

Circulating, extract or outdoor air operation can be implemented, depending on the model.
Familiar CWL accessories, such as ISO pipes, are used for guiding the air.

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Reliable & hygienic DHW heating

With the practical, individually configurable pasteurisation function, the FHS remains perfectly hygienic all year round.
A 2 kW immersion heater is standard on every appliance to ensure a sufficient heating reserve.

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Optimise your energy consumption

Effectively use excess electricity for DHW heating. A two-wire cable is all it takes to connect to the inverter with PV output. This increases independence from the grid.

Specifications

FHS
Type
FHS-180-S
FHS-280-S
FHS-280-HE
Energy efficiency class, DHW heating
-
A+
A+
A+
Cylinder capacity
Liter
166
270
258
Max. cylinder temperature
°C
65
65
65
Operating temperature range
°C
+5 bis +35
-10 bis +35
-10 bis +35
DHW output
-
650 l / 24h
950 l / 24h
950 l / 24h
Heat exchanger area
m²
-
-
0,9
Tapping profile
-
L
XL
XL
HxWxD / ∅ xheight
mm
1576x540x575
- / 707x1768
- / 707x1768
Height when tilted
mm
-
2100
2100
Outside / circulating / extract air operation possible
-
no / yes / yes
yes / yes / yes
yes / yes / yes
Weight
kg
70
130
153
Cold water connection
-
RG 3/4"
RG 1"
RG 1"
Heat exchanger return
-
n/a
n/a
RG 1"
Circulation
-
n/a
RG 3/4"
RG 3/4"
Heat exchanger flow
-
n/a
n/a
RG 1"
DHW connection
-
RG 3/4"
RG 1"
RG 1"
Condensate drain
-
RG 1/2"
RG 1/2"
RG 1/2"
Refrigerant type / charge weight
- / kg
R290 / 0,15
R134a / 1,1
R134a / 1,1
GWP / CO2 equivalent
- / t
3 / 0,00045
1430 / 1,573
1430 / 1,573
Heat pump heating output
kW
1,0
1,4
1,4
Electric heating element heating output
kW
2
2
2
Total heating output
kW
3,1
3,4
3,4
COP (A20/W10-55)
-
3
3,7
3,7
Sound power level (ErP)
dB(A)
48
58
58
Max. power consumption (including immersion heater)
A
10,4
10,4
10,4
Power consumption heat pump max.
kW
0,39
0,4
0,4
Air flow rate (min to max)
m3/h
150-300
200-300
200-300
Air channels (incoming and outgoing air)
mm
160
160
160

Specifications

FHS

  • FHS-180-S

  • FHS-280-S

  • FHS-280-HE

    Energy efficiency class, DHW heating (-)
    A+
    A+
    A+
    Cylinder capacity (Liter)
    166
    270
    258
    Max. cylinder temperature (°C)
    65
    65
    65
    Operating temperature range (°C)
    +5 bis +35
    -10 bis +35
    -10 bis +35
    DHW output (-)
    650 l / 24h
    950 l / 24h
    950 l / 24h
    Heat exchanger area (m²)
    -
    -
    0,9
    Tapping profile (-)
    L
    XL
    XL
    HxWxD / ∅ xheight (mm)
    1576x540x575
    - / 707x1768
    - / 707x1768
    Height when tilted (mm)
    -
    2100
    2100
    Outside / circulating / extract air operation possible (-)
    no / yes / yes
    yes / yes / yes
    yes / yes / yes
    Weight (kg)
    70
    130
    153
    Cold water connection (-)
    RG 3/4"
    RG 1"
    RG 1"
    Heat exchanger return (-)
    n/a
    n/a
    RG 1"
    Circulation (-)
    n/a
    RG 3/4"
    RG 3/4"
    Heat exchanger flow (-)
    n/a
    n/a
    RG 1"
    DHW connection (-)
    RG 3/4"
    RG 1"
    RG 1"
    Condensate drain (-)
    RG 1/2"
    RG 1/2"
    RG 1/2"
    Refrigerant type / charge weight (- / kg)
    R290 / 0,15
    R134a / 1,1
    R134a / 1,1
    GWP / CO2 equivalent (- / t)
    3 / 0,00045
    1430 / 1,573
    1430 / 1,573
    Heat pump heating output (kW)
    1,0
    1,4
    1,4
    Electric heating element heating output (kW)
    2
    2
    2
    Total heating output (kW)
    3,1
    3,4
    3,4
    COP (A20/W10-55) (-)
    3
    3,7
    3,7
    Sound power level (ErP) (dB(A))
    48
    58
    58
    Max. power consumption (including immersion heater) (A)
    10,4
    10,4
    10,4
    Power consumption heat pump max. (kW)
    0,39
    0,4
    0,4
    Air flow rate (min to max) (m3/h)
    150-300
    200-300
    200-300
    Air channels (incoming and outgoing air) (mm)
    160
    160
    160
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