Appendix
51
Control 8313 – 6720859567 (2017/03)
23.3 Explanation of symbols and keys
The symbols shown below can have different meanings, depending on
the menu level or menu function.
Which symbols are displayed depends on which modules are inserted
and which settings have been made.
23.3.1 Explanation of keys
Table 34 Explanation of keys
23.3.2 Explanation of symbols
Symbol Name Explanation Symbol Name Explanation
Manual operation key Operation of the system via
manual settings.
Chimney sweep button Activation of the flue gas test
Reset key Resetting of faults and
functions, e.g. following
triggering of the high limit
safety cut-out or resetting of
the SAFe
rese
Symbol Name Explanation Symbol Name Explanation
Control unit: service
documentation
Solar Selection or display of solar
system data.
General characteristic data Selection or display of general
system data.
Heating mode set temperature Display of set temperature
Fault history, service display Display of active faults and
service display.
Home page Return to home page
Alternative heat source Selection or display of data for
an alternative heat source.
Special parameters Expert level for service
engineers
Outside temperature Display of measured outside
temperature
Substation Selection or display of
subsystem data.
Operating mode Set the operating mode Version Shows the software versions of
the user interface and the
control unit
Operating hours Hours run display Domestic hot water Selection or display of hot
water production data.
Measured room temperature Display of measured room
temperature
DHW circulation time program Adjustment or display of time
program (e.g. for the heating
circuits or the DHW circulation
pump)