Siemens Albatros2 AVS37 User Manual Page 140

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Siemens Switzerland Basic units RVS61.843 and RVS41.813 CE1U2355en_02
HVAC Products Contents 3. Juli 2008
The slave pointer used as setpoint with forced charging heating can be limited upwards
and downwards.
The slave pointer collects the maximum values of the temperature requests from the
heating circuit and saves them. Every midnight, the slave pointer setpoint is reduced by
5%.
2392Z09
°C
t
*
4710
*
*
*
*
*
*
*
*
*
*
24:00 24:00
24:00 24:00 24:00 24:00 24:00
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
4709
* = individual temperature requests
4709 Forced charg setp heat min
4710 Forced charg setp heat max
Forced charging is started every day at the point in time set here (00:00 – 24:00). With
“- - -“, forced charging is deactivated.
Forced charging is aborted when the required setpoint has not beeen reached on
completion of the period of time set here.
Forced charging can also be triggered via input Ex using the “Low-tariff” setting.
Automatic locks
Line no. Operating line
4720 Auto generation lock
None
With B4
With B4 and B41 / B42
4722 Temp diff buffer/HC
None
The function is deactivated.
With B4:
Sensor B4 is used releasing and locking the heat source.
With B4 and B41 / B42:
Sensor B4 is used for releasing the heat source. For the generation lock, sensor B42 is
used, and if this is not available, then B41.
If the temperature differential
ΔT between buffer storage tank and temperature request
from the heating circuit is sufficiently large, the heat required by the heating circuit is
drawn from the buffer storage tank. The heat source is locked.
Released
The heat source is released as soon as the temperature at both buffer storage tank
sensors drops by “Temp diff buffer/HC“ plus 1 K below the required flow temperature.
Forced charg setp heat
min / Forced charg setp
heat max
Forced charging time
Forced charg duration
max
Auto generation lock
Temp diff buffer/HC
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