Viessmann F remote control Operating Instructions Manual page 45

Remote control without room temperature depen
dent control on a heating circuit with or without
mixing valve:
The heating circuit pump is switched on with out
door temperatures below approx. +1 °C.
On boilers with a minimum temperature limit, the
boiler water temperature is kept at the value selec
ted for reduced operation "
value of approx. 40 °C.
On boilers without a minimum temperature limit,
the boiler water temperature is kept at the value of
the heating curve for reduced operation "
at a minimum value of approx. 20 °C.
Remote control with room temperature dependent
control on a heating circuit with mixing valve:
A room temperature of approx. +5 °C is maintained
with outdoor temperatures below approx. +1 °C.
D Set the program selector switch "
(normal operation/standby with frost protection of the
heating system):
In this operating condition, heating is carried out in the
programmed periods of normal operation. For the rest
of the time, the heating circuit is only operated when
the outdoor temperature falls below approx. +1 °C (see
above).
Dokument: - page 4 (Black)
Screen angle and frequency: 45.0000, <default>
Appendix
" , but at a minimum
" , but
" to " "
45