Stratification Protection; Overtemperature Protection - Siemens RVS41.813 User Manual

Stratification protection

Overtemperature protection

Siemens Switzerland Ltd
HVAC Products
Locked
The heat source is locked as soon as the temperature at both buffer storage tank
sensors drops by less than "Temp diff buffer/HC" below the required flow temperature.
T
4722
B41
1K
ON
K
OFF
4722 Temp diff buffer/HC
B4 Upper buffer or combi storage tank sensor
B41 Lower buffer or combi storage tank sensor
TVLw Flow temperature setpoint
K Compressors
Using "Temp diff buffer/HC", the mixing valve boost resulting from the heating circuit's
temperature request can be compensated.
Line no. Operating line
4739 Stratification protection
Off ¦ Always
The buffer storage tank's stratification protection function provides for hydraulic
balancing between the consumers and the heat source without the need for additional
shutoff valves for the buffer storage tank.
When the function is active, the volume of water on the consumer side is adjusted so
that, where possible, the addition of colder water from the buffer storage tank is
avoided.
Off :
Operation lock is deactivated.
Always :
Stratification protection is active when the heat
source is on.
For the function, a common flow sensor B10 must be
connected.
Line no. Operating line
4750 Charging temp max
Solar energy charges the buffer storage tank until the set maximum charging
temperature is reached.
The protective collector overtemperature function can reactivate the collector pump
until the maximum storage tank temperature is reached.
User manual RVS61.843, RVS41.813
6 The settings in detail
TVLw
B4
OFF
ON
t
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CE1U2355en_02
28. September 2009