Operating Instructions and Installation Instructions

13
en
Operating instructions
Please read and observe the detailed safety instructions
at the start of these instructions!
■ Important: The appliance may never be exposed to frost!
Risk of electric shock!
If an fault occurs, immediately disconnect the plug
from the power supply or turn off the mains voltage!
■ Immediately shut off the cold water supply to the appli-
ance should it leak.
For reasons of safety the appliance must be checked
thoroughly by an engineer every 2 years!
Getting to know your appliance
With this small water heater, you can heat up and store water
up to 75 °C to meet your requirements. On request, the tem-
perature can be limited to approx. 55 °C by a specialist. You
can also obtain cold water from the mixer tap at any time.
The appliance can be used to supply one (open circuit opera-
tion) or more (closed circuit operation) taps.
I.
Operating elements
1 Housing
2 Temperature selector switch
3 Cold water supply
4 Hand shower
7 Mixer tap
8 Hot water outlet
Operating the appliance
Open circuit operation (unpressurised): Always keep the
spout free. Do not use perlators.
Water drips out of the spout during heating.
Closed circuit operation (pressure-resistant): Water drips out
of the safety valve overflow during heating.
■ Switch on the heater with the temperature selector
switch.
■ The hot water temperature can be limited between
position O and position III (see „Limiting the water tem-
perature“, page 12).
■ Turn the temperature selector switch to position “O” to
stop the heater.
Setting the water temperature
O Off
❄ In this position the appliance is additionally protected
against frost damage.
I Recommended setting for optimum energy saving (≈ 35 °C)
e Setting for the average hot-water requirement, e. g. for
washing dishes (at ≈ 55 °C)
III Setting for hot water and greater warm water require-
ment, e. g. for cleaning (≈ 75 °C)
The specified temperatures are average values. They may
vary according to local conditions.
Note: Most efficient operation results with the recom-
mended setting I (≈ 35 °C). In setting e there is no longer
any growth of legionnaire’s disease bacteria. Legionnaire’s
disease bacteria are killed in setting III.
Cleaning
■ Simply wipe the appliance and mixer tap with a damp
cloth.
Do not use acidic or abrasive cleaning materials.
Maintenance for the customer
■ If required, unscrew the shower head or outlet pipe and
descale with a commercially available descaler or house-
hold vinegar.
■ Only pressure-resistant operation: The safety valve must
be operated regularly to verify its function and to descale
the valve.
■ When the water flows out of the hot water tap much
more slowly with the tap fully open, this is an indication
that the appliance requires dechalking. Call a specialist
immediately otherwise the water heater could be sub-
jected to high pressures.
Decalcifying, internal cleaning and repairs to the
appliance may only be performed by one of our
authorised customer service representatives.