Siemens RDG20 KN Series - Swap Function And;Or Fan in the 2 Nd Stage

Connection
Application examples
6
172 | 186
A6V11545892_en--_e
6.4.3 Swap function and/or fan in the 2nd stage
2-pipe fan coil application for floor heating/cooling (2-stage heating/cooling), fan
runs only in the 2
nd
stage:
Commissioning
Outputs used
● Fan P350 = 4 (2
nd
stage)
● Valve P201 = 5 (floor)
● Valve P203 = 5 (fan coil unit)
● M1 DC 0...10 V fan
● V1 DC valve floor
● V2 DC valve fan coil
units
See Technical data [➙ 177] for min. and
max. ratings
RDG26..KN
Example 1:
Fan in the 2
nd
stage