Siemens Desigo RXB Technical Manual page 233

Connection diagram
List of equipment
Connection variants for
valve actuators
Note
Siemens
Building Technologies
D3 2) YH.2
2) 2) YH.1
B2 D1 D2
T
1 2 3 4 5 6 7
19 19 21 21
AC 230 V
N
L
Ref. Description
N1
Room controller.
R1
Room unit
B1
Outside air temperature sensor via KNX bus.
B2
Room temperature sensor.
D1
Window contact
D2
Presence detector
D3
Dewpoint sensor
YH.1 / YC.1
Heating/cooling valve: Thermal actuator, 2-position (PDM) control
YH.2 / YC.2
Heating/cooling valve: Motorized actuator, 3-position control
Radiator (YH) – Chilled ceiling (YC)
Thermal / thermal
Motorized / motorized
Thermal / motorized
Motorized / thermal
Motorized/bus
Bus/motorized
Thermal/bus
Bus/thermal
Bus/bus
2) Type of operation and allocation to inputs D1 and D2 can be selected.
Identical devices must not be connected to both inputs.
A current list of compatible devices is available in the DESIGO RX hardware overview
(N3804).
RXB application library (KNX)
CLC & RAD – chilled ceiling and radiator applications from CC-02
CLC02 – Chilled ceiling and radiator
3) YC.2 3) YH.3
M M M
YC.1
QAX...
8 9 10 11 12 13 14 15 16
2)
.
2)
.
2)
.
YC.3
M
KNX
R1
T
B1
N1
17 18
RXB24.1
3)
.
Y1 Y2 Y3
YH -- YC
YH YH YC
YH -- YC
YH YH YC
YH YH --
-- -- YC
YH -- --
-- -- YC
-- -- --
CM110671en_02
14.03.2008
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3)
.
Y4
--
YC
YC
--
--
YC
--
--
--
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