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Siemens Switzerland Ltd
User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
TSpSi Storage tank safety temperature
TSp Storage tank temperature
TKolUe Collector temperature for overtemperature protection
TSpmax Maximum charging temperature
Tkol Collector temp
On / Off Collector pump
T Temperature
t Time
Medium’s evaporation temperature
Line no. Operating line
3860 Evaporation heat carrier
If there is a risk of the heat-carrying medium evaporating due to high collector
temperatures, the collector pump is deactivated to prevent overtemperatures. This is a
protective pump function.
Speed control
Line no. Operating line
3870 Pump speed min
3871 Pump speed max
The speed range of the solar pump is limited by the minimum and maximum
permissible speed.
Yield measurement
Line no. Operating line
3880 Antifreeze
3881 Antifreeze concentration
3884 Pump capacity
The 24-hour and total solar energy yield (8526 and 8527) is calculated, based on these
data.
Since the mixing ratio of the collector medium has an impact on heat transmission, the
type of antifreeze used and its concentration must be entered in order to be able to
determine the energy yield.
The flow rate in l/h of the pump used must be determined and serves for calculating the
volume delivered.
Pump speed
min / max
ntifreeze
Pump capacity
2358Z14
Tkol
TSp
TKolUe
TSpMax
1°C
1°C
T
t
TSp
TSpSi
On
Off
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