6 720 820 871 (2016/12) CR 400 | CW 400 | CW 800
12 | Getting started
4.4 Additional settings
Operation Outcome
If you need hot water outside of the times set in the time program, activate the Heating once setting in the Start now menu (=
immediate hot water function).
▶ Press the menu key to open the main menu.
▶ Turn the selector to highlight DHW.
▶ Press the selector to open the DHW menu.
▶ Press the selector to open the Heating once menu.
▶ Press the selector twice to start the DHW heating.
The DHW heating is active immediately for the set duration. Depending on the
installed system, it may be necessary to select a DHW system (DHW system I or II).
If the DHW is too cold or too hot for you: change the DHW temperature
▶ Press the menu key to open the main menu.
▶ Turn the selector to highlight DHW.
▶ Press the selector to open the DHW menu.
▶ Turn the selector to highlight Temperature settings.
▶ Press the selector to open the Temperature settings menu.
▶ Turn the selector to highlight DHW or DHW reduced.
▶ Press the selector.
▶ Turn the selector to set the temperature.
▶ Press the selector.
The user interface operates with the modified settings. Depending on the installed
system, it may be necessary to select a DHW system (DHW system I or II).
Setting the date and time
If the user interface has been disconnected from the power supply for a prolonged
period, the display will prompt the user to enter the date and time before reverting back
to normal operation.
▶ Restore the power supply.
The user interface displays the setting for the date.
▶ Turn the selector to set the day, month and year.
Continue is highlighted in the display.
▶ Press the selector.
▶ Set the time in the same way as the date.
Continue is highlighted in the display.
▶ Press the selector.
The user interface operates with the modified settings. No other settings are required
to recommission the user interface.
To prevent the settings for the user interface from being modified inadvertently:
Activate or deactivate key block (child lock, Æ page 47)
▶ Press and hold down the auto key and the selector for a few seconds to activate or
deactivate the key block.
When the key block is enabled, the key symbol appears in the display
(Æ Fig. 2 [5], page 7).
Table 8 Getting started – More settings
6 720 815 237-09.1O
6 720 815 237-10.1O
6 720 815 237-11.1O
6 720 815 237-12.1O
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