Siemens RDG20 KN Series User Manual

Connection
Application examples
6
176 | 186
A6V11545892_en--_e
4-pipe heating and cooling fan coil system, power supply 230 V, for PWM valves
and DC fan, CO
2
indication (ppm) on the display, IAQ control via On/Off damper:
Commissioning
Outputs used
● Application 4-pipe
● Fan P351 = 3 (DC fan)
● Valve P201 = 3 (heating)
● Valve P203 = 3 (cooling)
● Control strategy P450 = 2 (default)
● Damper signal P453 = 3 (On/Off NC)
● IAQ setpoint P023 = 1000 (def.)
● IAQ indication P009 = 6 (ppm)
● M1 DC fan
● V1 PWM valve H
● V2 PWM valve C
● D1 On/Off damper
See Technical data [➙ 177] for min. and
max. ratings
RDG204KN
Example 3:
IAQ control with On/Off
damper

Siemens RDG20 KN Series Specifications

General

Brand	Siemens
Model	RDG20 KN Series
Category	Thermostat
Language	English