17/52
Siemens
RXB application library (KNX)
FNC – Fancoil-Applikationen aus FC-10, FC-11, FC-12 CM110672en_0
3
Building Technologies
FNC04 – Four-pipe fan coil
30.11.2007
2
1
4
3
QAX...
R1
1038
5A03
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
17 18
M
D1
GND
D2
Y1
G
Y2
CP
–
CP
+
B1
25 26 27
RXB21.1
Q1
3
Q1
4
Y3
G
Y4
Q2
4
Q3
4
28
19
21
N
L
N
21
L
CE
–
CE
+
19
KNX
Y1
G
Y2
YH.2
3)
M
M
B
B1
T
Y1
G
Y2
YC.2
3)
M
D1
2)
D2
2)
YC.1
3)
YH.1
3)
1
2
3
Q1
N
L
AC 230 V
N1
4)
CE
–
CE
+
N.
C.
Ref.
Description
N1
Room controller.
R1
Room unit
B1
Return air temperature sensor, room temperature sensor.
D1
Window contact
2)
.
D2
Presence detector
2)
.
Q1
1- or 3-speed fan
4)
.
YH.1
Heating valve actuator, thermal, 2-position (PDM) control
3)
.
YH.2
Heating valve actuator, motorized, 3-position control
3)
.
YC.1
Cooling valve actuator, thermal, 2-position (PDM) control
3)
.
YC.2
Cooling valve actuator, motorized, 3-position control
3)
.
2)
Type of operation (N/O or N/C) can be selected.
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).
Connection diagram
List of equipment
Note
