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Temperature Control; Programming Button; Draining The Appliance - Bosch Therm 4000 S Installation And Operating Manual

Gas instantaneous water heaters
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3.4

Temperature control

The temperature value indicated on he LCD
cover matches the pre-selected
temperature.
▶ Press the buttons
desired.
Fig. 7
Controlling the temperature by the minimum value in
accordance with the requirements, reduces the energy, water
consumption and reduces the probability of deposits of lime in
the combustion chamber.
CAUTION:
The temperature indication on the display is
approximate, always confirm with your hand
before bathing children or old people.
Water flow
The temperature on the display flashes until the value selected
is achieved.
If after 30 seconds, the selected temperature is not reached, a
tap symbol appears in the LCD display, indicating that the
water flow needs to be adjusted.
increase the water flow to obtain the temperature
selected.
reduce the water flow to obtain the temperature
selected.
Therm 4000 S
and
until you reach the value
6720806146-04.1V
3.5

Programming button

Memorise the outgoing water temperature
Fig. 8
▶ Press the buttons
to be memorised.
▶ Press the programming button for 3 seconds to fix the
temperature.
When the display stops flashing, the temperature is set in the
memory.
Select the temperature memorised
To select the temperature memorised.
▶ Press the programming button for 1 second.
The display shows the temperature previously memorised and
this goes on to be the selected temperature.
3.6

Draining the appliance

NOTICE:
Not draining the appliance when a freezing risk
exists may damage components of the
appliance.
Beforehand place a receptacle below the
appliance to collect all the water that comes
out of the appliance.
If draining the appliance is required, the following process
should be followed:
▶ Shut off the cold water isolation valve on the cold water
inlet off the appliance.
▶ Open a hot water tap.
▶ Remove the connection to the cold water inlet tube.
▶ Empty all the water contained inside the appliance.
Operation instructions | 11
6720806146-05.1V
and
to select the temperature
6 720 819 528 (2016/02)

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