Siemens Desigo RXB Technical Manual page 448

List of equipment
Note
46/52
Siemens
Building Technologies
Ref. Description
N1
Room temperature controller.
R1
Room unit
B1
Return air temperature sensor, room temperature sensor.
B2
Outside air temperature sensor via KNX bus.
D1
Window contact
D2
Presence detector
D3
Changeover signal via KNX bus.
Q1
1 ... 3-speed fan
YH.1, YHC.1
Radiator valve, heating/cooling valve, thermal, 2-point control (PDM)
3)
.
YH.2, YHC.2
Radiator valve, heating/cooling valve, motorized, 3-point control
(PDM)
YH.3, YHC.3
Radiator valve, heating/cooling valve, bus.
2) Type of operation and allocation to inputs D1 and D2 can be selected. Identical devices must not be
connected to both inputs.
3) Do not exceed the max. simultaneous load on outputs Y1 ... Y4: 9.5 VA (see data sheet 3873).
4) Do not connect the fans in parallel (or use cut-off relays).
A current list of compatible devices is available in the DESIGO RX hardware overview
(N3804).
RXB application library (KNX)
FNC18 – Two-pipe fan coil (changeover) and radiator
2)
.
2)
.
4)
.
3)
.
FNC – Fancoil-Applikationen aus FC-10, FC-11, FC-12 CM110672en_03
30.11.2007