Viessmann VITOSOLIC 200 Installation And Service Instructions Manual page 28

System examples
System example 4
Swimming pool water heating by
boiler:
If the solar energy is inadequate to heat
the swimming pool water, it will be
heated by boiler 1 via temperature sen-
sor S5 tU on heat exchanger 2 tZ.
Circulation pump R6 zP and filter
pump tI start when the start tempera-
ture Th3on and has not been reached
during the time set via time switch 2. The
pumps stop when the stop temperature
Th3off has been reached or if the time
frame is exceeded.
28
(cont.)
Filter time and possible reheating by the
boiler 1:
■ outside the times during which heating
■ outside the times when central heating
by solar energy can be expected
and DHW heating are required