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El immersion heater
control
Excess heat draw
Excess heat draw
Plant hydraulics
With prim contr/system
pump
With solar integration
Siemens Schweiz AG
HVAC Products
DHW release
The electric immersion heater is switched on and off according to the DHW release.
Example:
Time program 4 / DHW
For the electric immersion heater, time program 4/DHW of the local controller is used.
Example:
External control thermostat
The storage tank is charged with an external control thermostat without setpoint
compensation of the controller.
DHW sensor
The storage tank is charged with an external control thermostat, but with setpoint
compensation of the controller.
Important: To ensure that setpoint compensation works correctly, the external control
thermostat must be set to its minimum setting value.
Line no.
Operating line
5085
Excess heat draw
Off
On
Excess heat draw can be triggered by the following functions:
Input H1, H2 or EX2
−
Storage tank recooling
−
Excess heat draw from the solid fuel boiler
−
If excess heat draw is activated, excess heat can be made available to space heating.
This can be adjusted separately for each heating circuit.
Line no.
Operating line
5092
With prim contr/system pump
5093
With solar integration
@
It must be selected whether the DHW storage tank receives its heat via the primary
controller or with the help of the system pump (depending on the type of plant).
It must be selected whether the DHW storage tank receives its heat from the solar
collectors.
User Manual
The settings in detail
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