Siemens RDG2 KN Series Basic Documentation

Technical data
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Operational data
Comfort mode (P011)
21 °C (5…40 °C)
Economy mode (P019-P020)
15 °C/30 °C (OFF, 5…40 °C)
Protection mode (P100-P101)
8 °C/OFF (OFF, 5…40 °C)
Multifunctional inputs X1/X2/U1
Selectable (0…25)
Input X1 default value (P150)
1 (external temperature sensor, room or
return air)
Input X2 default value (P153)
0 (no function)
Input U1 default value (P155)
RDG2..0KN: 3 (window contact)
RDG2..4KN: 0 (no function)
Built-in room temperature sensor
Measuring range
0…49 °C
Accuracy at 25 °C
< ±0.5 K
Temperature calibration range
±3 K
Built-in humidity sensor
Measuring range
10…90 %
Accuracy (after calibration via P007)
< 5 %
Humidity calibration range
±10 %
Built-in CO
2
sensor
Measuring range
0...5000 ppm
Measuring accuracy at 25 °C and
1013 hPa
±( 50 ppm + 4 % of measured value)
Temperature stability in the range of
0..50 °C
3 ppm / °C
Long-time drift
80 ppm over 5 years (typically)
Time constant t
63
< 5 min
Calibration
ASC
For details, see IAQ – CO2 monitoring
and control [➙ 68]
Settings and display resolution
Setpoint
0.5 °C
Present temperature value displayed
0.5 °C
Environmental conditions
Storage
IEC 60721-3-1
Climatic conditions
Class 1K3
Temperature
-25…65 °C
Humidity
< 95 % r.h.
Transport
IEC 60721-3-2
Climatic conditions
Class 2K3
Temperature
-25…65 °C
Humidity
< 95 % r.h.

Siemens RDG2 KN Series Specifications

General

Brand	Siemens
Model	RDG2 KN Series
Category	Thermostat
Language	English