Bosch HPC 400 Operating Instructions Manual page 5

 Fig. 1, page 4
Item Element Designation
1 fav key
fav
2 extra DHW key ▶ Press to activate or deactivate extra DHW ( Chapter 4.4, page 10).
3 DHW key
4 menu key
menu
5 Info key
info
6 Back key
7 Selector
Table 2 Control elements
HPC 400
CLIMATE CONTROL SYSTEMS
Explanation
▶ Press to call up the favourites menu (favourite functions for heating circuit 1).
▶ Hold down to individually adjust the favourites menu ( Chapter 4.5, page 12).
▶ Press to select the operating mode for DHW ( Chapter 4.4, page 10).
▶ Press to open the main menu ( Chapter 5, page 13).
If a menu is open:
▶ Press to call up more information about the current selection.
If the standard display is active:
▶ Press to open the info menu ( Chapter 6, page 32).
▶ Press to return to the higher menu level or discard a changed value.
If the need for a service or a fault is displayed:
▶ Press to switch between standard display and fault display.
▶ Hold to switch from a menu to the standard display.
▶ Turn to change a setting value (e.g. temperature) or select from among the menus or
menu items.
If the lighting is switched off:
▶ Press to switch the lighting on.
If the lighting is switched on:
▶ Press to open a selected menu or menu item, confirm a set value (e.g. temperature)
or a message or to close a pop-up window.
If the standard display is active:
▶ Press to activate the input field for selecting the heating circuit in the standard
display (systems with at least two heating circuits only,  Chapter 4.1, page 8).
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Overview of control elements and symbols | 5
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