Dhw Storage Tank - Siemens AVS75.39 Series User Manual

Release
Charging
Siemens
Building Technologies
6.15

DHW storage tank

The DHW storage tank can be charged in a number of ways:
Via solar collectors.
Through the buffer storage tank.
By oil/natural gas boilers, solid fuel boilers or cascade.
Through the supplementary source.
Through the electrical heating elements.
Selection depends on available components and their configuration. The
components supplement each other as needed in a series that makes sense from
an energy viewpoint.
Line no. Operating line
5010 Charging
Once/day ¦ Several times/day
Selection of charging "Once/day" or "Several times/day" is active only if DHW
release is set according to the time programs of the heating circuits
Once/day
Release of DHW charging is given 2.5 hours before the first heat request from the
heating circuit is received. Then, the reduced DHW setpoint applies for the whole
day.
Time program hc
DHW release
2.5h
In the case of continuous heating (with no setback periods), release of DHW
charging is given at 0:00. This is also the case if the first request for heat from the
heating circuit is received before 02:30. If a heat request is received exactly at
midnight, DHW charging is released after the first setback period, but no earlier
than 2.5 hours before midnight.
day 1
Time program hc
DHW release
2.5h
Several times/day
When selecting "Several times/day", release of DHW charging is put forward in
time by 1 hour against the periods of time the heating circuit calls for heat, and is
then maintained during these periods of time.
Time program hc
DHW release
User manual RVS43.345
The settings in detail
day 2
24:00
0:00
2.5h 2.5h
1h
1h
Once/day
day 3 day 4
22:00
2.5h
Several time/day
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2013-09-02