!
Material losses
Never subject the appliance to water pressure. The tap
outlet has a vent function. Scale build-up can block the
outlet and subject the appliance to pressure.
Never seal the tap outlet.
Only use special aerators for non-pressurised water
heaters.
Never use a hose with aerator to extend the tap
outlet.
!
Material losses
Connecting the appliance via a time switch will cause an
unintentional reset of the high limit safety cut-out.
Never connect the appliance to the power supply via
a time switch.
2.3 CE designation
The CE designation shows that the appliance meets all essential
requirements according to the:
- Low Voltage Directive
- Electromagnetic Compatibility Directive
2.4 Test symbols
See type plate on the appliance.
3. Appliance description
The open vented (non-pressurised) appliance constantly maintains
the water content at the pre-selected temperature. The appliance
may only be installed with taps for open vented (non-pressurised)
water heaters (see chapter "Installation/ Appliance description/
Accessories").
thermostop function
The thermostop function (thermal separation) prevents the tap
becoming hot in standby mode.
Anti-drip function
The anti-drip function prevents expansion water from escaping
from the tap during heating. When water is heated, gas bubbles
are formed. The amount of gas bubbles depends on the water
quality. At temperatures >75°C the rising gas bubbles can cause
residual water to drip from the tap outlet.
Subject to design, some taps have a tendency to drip for a short
while after being closed. This dripping is caused by residual water
escaping from the tap outlet and is not linked to expansion water.
3.1 Operation
The required DHW outlet temperature can be set at the tempera-
ture selector. The heat-up indicator illuminates during the heat-up
process.
D0000047838
2
1
1 Temperature selector
2 Heat-up indicator
°C = Cold. On this setting, the appliance is protected from
frost. The tap and the water line are not protected.
Eco = Recommended energy saving setting (approx. 60°C),
minor scaling
85 = Maximum selectable temperature
Note
A qualified contractor can set a temperature limit on the
appliance (see chapter "Installation/ Settings/ Setting
the temperature limit").
4. Cleaning, care and maintenance
Never use abrasive or corrosive cleaning agents. A damp
cloth is sufficient for cleaning the appliance.
Check the tap regularly. You can remove limescale deposits
at the outlet using commercially available descaling agents.
5. Troubleshooting
Problem Cause Remedy
The appliance does not
supply hot water.
The temperature selector
is set to “°C”.
Switch the appliance on
by turning the tempera-
ture selector.
No power to the appli-
ance.
Check the plug and the
fuses/MCBs in the fuse
box.
Water can only be drawn
at a reduced rate.
The aerator in the tap is
scaled up.
Descale / replace the
aerator.
Loud boiling noises in-
side the appliance.
The appliance is scaled
up.
Have the appliance
descaled by a qualified
contractor.
Water drips from the tap
outlet during the heat-up
process.
Frequent minimal draw-
off amounts (< 0.4l/min).
Change your draw-off
pattern (> 0.4l/min).
If you cannot remedy the fault, notify your qualified contractor.
To facilitate and speed up your request, provide the number from
the type plate (000000-0000-000000).
Typ:
Nr.: ...... - .... - ......
D0000047804
SNU 5
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