Siemens Albatros2 RVA78.690 User Manual page 40

El immersion heater
control
Automatic push
With solar integration
Transfer strategy
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Siemens
Building Technologies
Actual release takes place only if the electric immersion heater can operate
according to setting "El imm heater optg mode" (5060).
External thermostat
The DHW storage tank is charged with an external thermostat without setpoint
compensation by the controller.
DHW sensor
The DHW 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.
6.9.7 DHW push
Line no. Operating line
5070 Automatic push
Off
On.
The DHW push can be automatically triggered.
With the DHW push, the DHW is heated up once until the nominal setpoint is
reached.
Off
DHW push is switched off.
On
If the DHW temperature falls by more than 2 switching differentials (5024) below
the reduced setpoint (1612), one-time charging to the nominal DHW setpoint
(1610) will take place again.
The solid fuel boiler or collectors conduct the automatic push if they supply
sufficient energy. Otherwise, the electric immersion heater or an external generator
(via heat request K27) can be used.
6.9.8 Plant hydraulics
Line no. Operating line
5093 With solar integration
Set whether the DHW storage tank receives its heat from the solar collectors.
6.9.9 Transfer
Line no. Operating line
5130 Transfer strategy
Always ¦ DHW release
Transfer is permitted either always or at the release times set (1620).
Solar compact controller
The settings in detail
CE1U2396en
18.08.2010