OPERATION
General information
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OPERATION
1. General information
Chapters "Special information" and "Operation" are intended for
both users and qualified contractors.
Chapter "Installation" is intended for qualified contractors.
Note
Read these instructions carefully before using the water
heater and retain them for future reference.
Pass on the instructions to a new user if required.
1.1 Safety instructions
1.1.1 Structure of safety instructions
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KEYWORD Type of risk
Here, possible consequences are listed that may result
from failure to observe the safety instructions.
f Steps to prevent the risk are listed.
1.1.2 Symbols, type of risk
Symbol Type of risk
Injury
Electrocution
Burns
(burns, scalding)
1.1.3 Keywords
KEYWORD Meaning
DANGER Failure to observe this information will result in serious
injury or death.
WARNING Failure to observe this information may result in serious
injury or death.
CAUTION Failure to observe this information may result in non-seri-
ous or minor injury.
1.2 Other symbols in this documentation
Note
General information is identified by the adjacent symbol.
f Read these texts carefully.
Symbol Meaning
Material losses
(Water heater damage, consequential losses and environ-
mental pollution)
Appliance disposal
f This symbol indicates that you have to do something. The ac-
tion you need to take is described step by step.
1.3 Units of measurement
Note
All measurements are given in inches (millimeters) unless
otherwise stated.
2. Safety
2.1 Intended use
This water heater is suitable for heating domestic hot water or
for reheating preheated water. The water heater can supply one
or more draw-off points.
Water will not be reheated if the maximum inlet temperature for
reheating is exceeded.
The water heater is intended for domestic use. It can be used
safely by untrained persons. The water heater can also be used
in non-domestic environments, e.g. in small businesses, as long
as it is used in the same way.
Any other use beyond that described shall be deemed inappro-
priate. Observation of these instructions and of the instructions
for any accessories used is also part of the correct use of this
water heater.
2.2 General safety instructions
DANGER Burns
Water temperatures over 125 °F (52 °C) can cause se-
vere burns instantly or death from scalding. A hot water
scalding potential exists if the thermostat on the water
heater is set too high. Households with small children,
disabled or elderly persons may require that the thermo-
stat be set at 113 °F (45 °C) or lower to prevent possible
injury from hot water.
CAUTION Burns
If operating with preheated water, e.g.from a solar
thermal system, the DHW temperature may vary from
the selected set temperature.
CAUTION Burns
During operation, the tap can reach temperatures up to
158 °F (70 °C).
There is a risk of scalding at outlet temperatures in ex-
cess of 109 °F (43 °C).
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