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Construction and function "Regtronic RD-W"
3.2 Control of "Regudis" dwelling stations
The Oventrop system controller "Regtronic
RD-W" (1) serves the control engineered
integration of dwelling stations "Regudis W"
into the heat supply.
The controller provides for a heating water
temperature according to requirements
in the buffer storage cylinder (6) and the
supply pipe of the riser supplying the
connected "Regudis" dwelling stations.
The stations require a permanent differential
pressure of at least 300 mbar and a
minimum temperature in the supply pipe.
The controller activates the heat generator
(7) and the loading pump (8) in such a
way that the buffer storage cylinder (6) is
loaded with as constant a temperature as
possible. Depending on the heating water
temperature in the buffer storage cylinder,
loading is started or interrupted.
The differential pressure (5) and the ow
and return temperatures (4) are detected
by sensors in the heating circuit riser. Based
on the detected values, the riser pump (3,
differential pressure) and the mixing valve
(2, ow temperature) are activated by the
controller (1).
1 System controller "Regtronic RD-W"
2 Actuator/mixing valve
3 Riser pump1
4
Flow/return (PT1000)
5 Differential pressure sensor1
6 Buffer storage cylinder
6a Buffer storage cylinder sensors (PT1000)
7 Heat generator
8 Loading pump
9 Sensor ow temperature control
(PT1000)
10 Outside temperature sensor (PT1000)
Graphical overview controller controlled heating installation:
Illustr. 2
This system illustration shows all possible control tasks. Control engineered subtasks may,
however, also be carried out by the system controller (1). Loading of the buffer storage
cylinder can, for instance, also be carried out by a control integrated in the heat generator.
In- and outputs at the system controller (1) which are not in use remain free!
1 If differential pressure control is carried
out by the riser pump (3), a differential
pressure sensor (5) is not required.
Regudis
W
Regudis
W
1
2
3
4
5
6a
6
7
89
10
Regudis
W
...
6a
Supply Return
Regumat
