Technical data

Modulating control: 3-position, PWM or DC 0...10 V
The diagrams below show the control sequence of modulating PI control.
Heating mode (P01 = 0)
Cooling mode P01 = 1)
w
XpH
Y
YHC1
TR [°C]
XpH
YHC2
0%
100%
318 1D18
w
D
Y
0%
100%
TR [°C]
XpC
YHC2
XpC
YHC1
3 181D1 9
w
w
D
Changeover (P01 = 2 or P01 = 3)
XpH
Y
TR [°C]
XpH
XpC
XpC
Changeover
0%
100%
YHC1YHC2 YHC1 YHC2
3
18
1D
2
0
w
w
D
w
D
T[°C]
Room temperature
w
Room temperature setpoint
YHC1
Control command "Stage 1"
YHC2
Control command "Stage 2"
XpH
Proportional band "Heating" (P30)
XpC
Proportional band "Cooling" (P31)
w
D
Setpoint differential (P34)
The diagrams only show the PI thermostat’s proportional part.
Setting the sequence and the control outputs
Refer to sections 3.4 "Applications", 3.6.1 "Sequences", and 3.7 "Outputs".
Note:
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Siemens RDG100KN, RDG160KN Basic documentation CE1P3191en
Building Technologies Functions 2014-05-23