Switching The Appliance On/Off; Setting The Maximum Flow Temperature; Setting The Heating Control Unit; Setting Summer Mode - Bosch WBN 6000-30-H-E-N/L-S2400 Operating Instructions Manual

4.2

Switching the appliance on/off

Switching on
▶ Start the appliance at the standby key.
The display shows the heating water flow temperature.
Switching off/standby mode
▶ Shut down the appliance at the standby key.
Only the warning symbol continues to be displayed.
Fig. 7
▶ If the appliance is to be switched off for a longer period of time:
observe correct frost protection procedures ( chapter 4.6).
Power interruption
▶ Press and hold on OK button to reset the appliance when a fault code
(eg.EA) flashes because of power interruption.
The appliance has an anti-seizing function which
prevents the heating circuit pump and the 3-way valve
seizing up following long periods of inactivity.
The anti-seizing function remains active during standby
mode.
4.3

Setting the maximum flow temperature

The maximum flow temperature can be set between 40 °C and
approx. 82 °C. The current flow temperature is shown on the display.
▶ Keep pressing – until the
▶ Press OK.
The set maximum flow temperature is displayed.
▶ Press + and – to set the required maximum flow temperature.
▶ Press OK to save the setting.
The display shows the current flow temperature.
You can find typical maximum flow temperatures in tab. 2.
When is set, heating mode is disabled
(summer mode).
When the burner is active in heating mode, the
burner symbol appear on the display.
Flow temperature
symbol appears
Approx. 75 °C
approx. 82 °C
Table 2 Maximum flow temperature
Gaz 6000 W
ok
6 720 806 464-06.1O
symbol appears on the display.
symbol and the
Sample application
Summer mode
Radiator heating system
Convector heating system
4.4

Setting the heating control unit

Observe the operating instructions of the heating
controller. This shows you:
▶ how to adjust the room temperature,
▶ how to heat economically and save energy.
4.5

Setting summer mode

The heating circuit pump and consequently central heating are switched
off. Power supply for the heating control unit and timer are retained.
NOTICE: Heating system at risk through frost. In summer
mode, only the appliance is protected against frost.
▶ Observe frost protection measures where there is a
risk of frost ( Chapter 4.6).
To set summer mode:
▶ Keep pressing – until the
▶ Press OK.
The set maximum flow temperature is displayed.
▶ Keep pressing – until . . appears on the display.
▶ Press OK to save the setting.
is permanently displayed.
Additional instructions are contained in the operating instructions for
the heating programmer.
4.6

Setting frost protection

Frost protection for the heating system:
Frost protection for the heating system is only ensured if the heating
circuit pump is operational and is pumping heating water through the
entire system.
▶ Leave the heating switched on.
▶ Set the maximum flow temperature to at least 40 °C ( Chapter 4.3).
-or- If you want to leave the appliance switched off:
▶ Ask your heating contractor to mix anti-freeze (see installation
instructions) into the heating water.
For further information, see the heating controller
operating instructions.
Appliance frost protection:
The appliance frost protection function switches the burner and heating
circuit pump on when the temperature falls below 5 °C. This prevents the
boiler freezing up.
▶ Activate summer mode ( Chapter 4.5) or put the appliance in
standby mode ( Chapter 4.2).
NOTICE: Heating system at risk through frost. In
summer/standby mode, only the appliance is protected
against frost.
Operation | 5
symbol appears on the display.
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