Siemens RDG2 KN Series Basic Documentation

Functions
Control sequences
4
80 | 180
A6V11545892_en--_c
Factory setting P217: 0.0 kW, setting range: 0.0…1.2 kW.
The diagrams below show the control sequence for On/Off control.
Heating mode
(changeover = heating or heating only)
Cooling mode
(changeover = cooling or cooling only)
T[°C] Room temperature
SDH Switching differential "Heating"
(P051)
w Room temperature setpoint
SDC Switching differential "Cooling"
(P053)
YHC Control command "Valve"
Xdz Dead zone (P055)
YE Control command
"Electric heater"
w
D
Setpoint differential (P056)
The diagrams below show the control sequence for modulating control.
Heating mode
(changeover = heating or heating only)
Cooling mode
(changeover = cooling or cooling only)
T[°C] Room temperature
XpH Proportional band "Heating"
(P050)
w Room temperature setpoint
XpC Proportional band "Cooling"
(P052)
YHC Control command "Valve"
Xdz Dead zone (P055)
YE Control command
"Electric heater"
w
D
Setpoint differential (P056)
● The diagrams only show the PI thermostat’s proportional part.
For setting sequence and control outputs, see Application overview [➙ 42],
Sequence overview (setting via P001) [➙ 75] and Control outputs [➙ 99].
Parameter P256 (RDG26..KN) sets the heating flow limitation when using a PICV.
See Additional functions [➙ 47].
On/Off control
Control sequence
On/Off output
Modulating control:
3-position, PWM or
DC 0…10 V
Control sequence
modulating control output
Note
Note

Siemens RDG2 KN Series Specifications

General

Brand	Siemens
Model	RDG2 KN Series
Category	Thermostat
Language	English