Technical data

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Siemens RDG400KN Basic documentation CE1P3192en
Building Technologies Functions 20 Jul 2010
Without a valid bus signal for changeover air, the air volume is only increased for
cooling:
2-position radiator / floor heating Modulating radiator / floor heating
Y
YR
TR [°C]
dz
max
min
Y
0%
100%
TR [°C]
XpC
YV
C
Vmin
Vmax
ON
OFF
W
SDH
Y
0%
100%
YR
TR [°C]
XpH
W
dz
max
min
Y
0%
100%
TR [°C]
XpC
YV
C
Vmin
Vmax
Y Output signal
TR Room temperature
W Effective setpoint Comfort
H Heating sequence
C Cooling sequence
YV Volume flow rate
YR Radiator / floor heating
XpH Proportional band heating
XpC Proportional band cooling
Vmin Minimum volume output
Vmax Maximum volume output
Note: The diagrams show the PI controller's proportional part only.
Setting the sequence and the control outputs
Refer to sections 3.4 "Applications", 3.6.1 "Sequences", and 3.7 "Outputs".