Siemens RDG20 KN Series Basic Documentation page 166

Connection
6
Application examples
Example 2:
Swap and fan in the 2
nd
stage
166 | 180
2-pipe and 2-stage application with radiant heating/cooling panels, the fan only
operates with the fan coil unit:
●
Heating sequence: 1
●
Cooling sequence: 1
Commissioning
●
Fan
and 2 nd stage heating)
●
Valve
●
Valve
unit)
●
Swap
See Technical data [➙ 170] for min. and
max. ratings
st nd
panel and 2 fan coil unit
st fan coil unit and 2 nd panel
P350 = 6 (Cooling
P201 = 5 (panel)
P203 = 5 (fan coil
P254 = 1
Outputs used
●
M1 DC 0...10 V fan
(2 nd stage)
●
V1 DC valve panel
●
V2 DC valve fan coil
unit
RDG26..KN
A6V11545892_en--_c