SDC
Safety instructions
MU1H-0438GE51 R0313
27
2.2.6 Grounding and zeroing
Local regulations on the connection of equipment must be
observed!
2.3 Hot-water temperature greater than 60 °C
ATTENTION
Note that there is a danger of scalding at all hot-water draw-
off points (kitchen, bathroom etc.) in the following cases.
Add sufficient cold water in these cases.
When the automatic anti-legionella mechanism is activated, the
hot water is automatically heated to the anti-legionella
temperature (65 °C at the factory) on the selected day and at the
selected time to kill any legionella bacteria found in the hot-water
tank.
In the manual mode / emission measurement operating mode, the
hot water is heated up to the highest possible boiler temperature,
as the burner and all pumps are switched on and the mixer is
opened fully. There is an acute danger of scalding at all
connected hot-water draw-off points! Add sufficient cold water or
switch off the hot-water charging pump (at the switch of the pump,
if present). Heating and hot water are in unregulated continuous
operation. This operating mode is for special use by the chimney
sweep for emission measurement or if the controller is defective.
The high hot-water temperatures can be prevented, however, by
setting the boiler thermostat to a max. boiler temperature of
approx. 60 °C.
Automatic anti-
legionella mechanism
Manual mode
/
Emission
measurement
Summary of Contents for SDC 12-31
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