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Siemens Switzerland Ltd
User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
Example:
Time program 4 / DHW
For the electric immersion heater, time program 4 / DHW of the local controller is taken
into account.
Example:
Actual release takes place only if the electric immersion heater can operate according
to setting “El imm heater optg mode“ (5060).
External thermostat
The storage tank is charged with an external thermostat without setpoint compensation
by the controller.
DHW sensor
The storage tank is charged with an electric immersion heater, with setpoint
compensation by the controller.
To ensure that setpoint compensation operates as required, the external thermostat
must be set to the minimum storage temperature.
Excess heat draw
Line no. Operating line
5085 Excess heat draw
Off ¦ On
Excess heat draw can be triggered from some other device via bus or through storage
tank recooling.
When dissipation of excess heat is activated, it can be drawn by space heating. This
can be adjusted separately for each heating circuit.
Plant hydraulics
Line no. Operating line
5090 With buffer
No ¦ Yes
5092
With prim contr/system pump
No ¦ Yes
5093
With solar integration
No ¦ Yes
If there is a buffer storage tank, enter whether the DHW storage tank can draw heat
from it.
When using alternative heat sources, the buffer storage tank temperature is used as a
control criterion for the release of additional heat sources.
El immersion heater
control
Excess heat draw
With buffer
0 6121824
h
2358Z26
0 612 24
h
2358Z25
17
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