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Siemens Switzerland Ltd
User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
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.
ON
OFF
B4
K
1K
B41
T
OFF
ON
t
TVLw
4722
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 Compressor
Using “Temp diff buffer/HC“, the mixing valve boost resulting from the heating circuit’s
temperature request can be compensated.
Stratification protection
Line no. Operating line
4739 Stratification protection
Aus ¦ Immer
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:
Stratification protection is switched off.
Always:
Stratification protection is active when the heat source
is on.
A common flow sensor B10 must be connected for this
function.
Overtemperature protection
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.
2358A42
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