1. General information
The chapters "Special Information" and "Operation" are
intended for both the user and qualified contractors.
The chapter "Installation" is intended for qualified con-
Read these instructions carefully before using the
appliance and retain them for future reference.
Pass on the instructions to a new user if required.
1.1.1 Structure of safety instructions
KEYWORD Type of risk
Here, possible consequences are listed that may re-
sult from failure to observe the safety instructions.
» Steps to prevent the risk are listed.
1.1.2 Symbols, type of risk
Type of risk
Failure to observe this information will result in seri-
ous injury or death.
Failure to observe this information may result in seri-
ous injury or death.
Failure to observe this information may result in
non-serious or minor injury.
1.2 Other symbols in this documentation
General information is identified by the adjacent
» Read these texts carefully.
(appliance damage, consequential losses and envi-
» This symbol indicates that you have to do something.
The action you need to take is described step by
Operation – for users and qualified contractors
1.3 Units of measurement
All measurements are given in mm unless stated
2.1 Intended use
This open vented (non-pressurised) appliance is designed
for heating domestic hot water. The appliance can supply
one draw-off point.
This appliance is intended for domestic use. It can be
used safely by untrained persons. The appliance can also
be used in a non-domestic environment, e.g. in a small
business, as long as it is used in the same way.
Any other use beyond that described shall be deemed
inappropriate. Observation of these instructions and of
instructions for any accessories used is also part of the
correct use of this appliance.
2.2 General safety instructions
During operation, the tap can reach temperatures in
excess of 60 °C.
There is a risk of scalding at outlet temperatures in
excess of 43 °C.
Only a qualified contractor is permitted to remove
the temperature selector.
The appliance may be used by children aged 8 and
older and persons with reduced physical, sensory or
mental capabilities or a lack of experience and know-
how, provided that they are supervised or they have
been instructed on how to use the appliance safely
and have understood the resulting risks. Children
must never play with the appliance. Children must
never clean the appliance or perform user mainte-
nance unless they are supervised.
Where children or persons with limited physical, sensory
or mental abilities are allowed to use this appliance, we
recommend a permanent temperature limit. A qualified
contractor can set this limit.
The user should protect the appliance and its tap
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 pres-
» Never seal the tap outlet.
» Only use special aerators for non-pressurised
» Never extend the tap outlet with a hose.
Connecting the appliance via a time switch will
cause an unintentional reset of the high limit safety
» Never connect the appliance to the power sup-
ply via a time switch.