28
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.
Filter time and possible reheating by the
boiler
1
:
■ outside the times during which heating
by solar energy can be expected
■ outside the times when central heating
and DHW heating are required
System examples
System example 4
(cont.)
5414 620 GB
Commentaires sur ces manuels