Technical data

On/Off control
The diagrams below show the control sequence for 2-position.
Heating mode
(automatic changeover = heating or heating only)
Cooling mode
(man. / auto. changeover = cooling or cooling only)
Y
½ SDH
1
0
½ SDH
w
3191D06
T[°C]
YHC
½ SDH ½ SDH
YE
w
D
Y
½ SDC
1
0
½ SDC
w
3191D05
T[°C]
YHC
½ SDH ½ SDH
YE
x
dz
Heating mode with manual changeover (P01 = 2) (manual changeover = heating)
½ SDH
1
0
½ SDH
w
Y
3076D07
T[°C]
YE
T[°C] Room temperature
W Room temperature setpoint
YHC Control command "Valve"
YE Control command "Electric heater"
SDH Switching differential "Heating" (P30)
SDC Switching differential "Cooling" (P31)
X
dz
Dead zone (P33)
w
D
Setpoint differential (P34)
Modulating control: 3-position, PWM or DC 0…10V
The diagrams below show the control sequence for modulating control.
Heating mode
(automatic changeover = heating or heating only)
Cooling mode
(man. /auto. changeover = cooling or cooling only)
Y [%]
100
0
w
3191D09
T[°C]
YHC
XpH
YE
w
D
XpH
Y [%]
100
0
w
3191D08
T[°C]
YHC
XpH
YE
x
dz
XpC
Heating mode with manual changeover (P01 = 2)
(manual changeover = heating)
XpH
100
0
w
Y [%]
3076D10
T[°C]
YE
T[°C] Room temperature
W Room temperature setpoint
YHC Control command "Valve"
YE Control command "Electric heater"
XpH Proportional band "Heating" (P30)
XpC Proportional band "Cooling" (P31)
X
dz
Dead zone (P33)
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".
Control sequence
On/Off output
Control sequence
modulating output
Note:
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Siemens RDG100KN, RDG160KN Basic documentation CE1P3191en
Building Technologies Functions 2014-05-23