12
V
Operating program "DHW" is
active.
W
Operating program "Heating" is
active.
Operating program
Operating programs for central heating, DHW, frost protection
Symbol Operating program Function
Central heating and DHW heating
Heating and DHW (winter
mode)
■ The rooms are heated in accord-
ance with the room temperature
and time program specified (see
chapter "Central heating").
■ DHW is heated in accordance with
the DHW temperature and time
program specified (see chapter
"DHW heating").
DHW heating
DHW only (summer mode) ■ DHW is heated in accordance with
the DHW temperature and time
program specified (see chapter
"DHW heating").
■ No central heating
■ Frost protection is active.
Frost protection
Standby mode ■ No central heating
■ No DHW heating
■ Frost protection for the boiler and
the DHW cylinder is enabled.
Operating modes of the heating system
Operation without room temperature controller
Further information can be found
in chapter "Terminology" in the
Appendix.
Setting the required heating water tem-
perature, see page 18.
Operation
Programming unit
(cont.)
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