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Siemens
User Manual
CE1U2353en
Building Technologies
DHW
2014-07-30
TVKw
Flow temperature setpoint, cooling
TTP
Dew point temperature
TA
Outside temperature (OT)
BZ
Operating line
Buffer storage tank / primary controller
Line no.
Operating line
962
With buffer storage tank
No ¦ Yes
963
With primary controller / system pump
No ¦ Yes
If there is a buffer storage tank, this setting defines whether the cooling circuit can draw
cooling energy from it.
This determines whether the cooling circuit is supplied via the primary controller or with
the help of the system pump (depending on the type of plant).
Remote control
Line no.
Operating line
969
Optg mode changeover
None ¦ Off ¦ Automatic
In the case of external changeover via inputs H1 / H2 / H3, the operating mode to be
used can be selected.
6.8 DHW
For the RVS46.530, DHW settings are only displayed when using a BMU (Boiler
Management Unit) with the appropriate functionality.
Setpoints
Line no.
Operating line
1610
Nominal setpoint
1612
Reduced setpoint
The DHW can be heated up according to different setpoints. These setpoints are
activated depending on the selected operating mode, thus leading to different
temperature levels in the DHW storage tank.
TWWR
DHW reduced setpoint
TWWN
DHW nominal setpoint
TWWmax DHW nominal setpoint maximum
With buffer storage tank
With primary controller /
system pump
0 10 20 30 40 50 60 70 80 90 100 °C
2
3
5
8
Z
1
1
TWWR
TWWN
TWWmax
