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Siemens
RXB21.1, RXB22.1 Room controllers
CM2N3873en_06
Building Technologies
02 Apr 2010
Mounting instructions
The room controllers can be mounted in any orientation, and fixed as follows:
38
7
3
J0
6
38
73
J07
Rail mounting
The housing base is designed for snap-
mounting on DIN rails, type EN50022-35 x 7.5
(can be released with a screwdriver).
Surface mounting
There are two drill holes for screw-mounting (see “Dimensions” for
drilling template). The housing base is fitted with raised supports.
Screws: Max. diameter 3.5 mm, min. length 38 mm
STOP
Note!
Tightening torque for fixing screws max. 1.5 Nm
When mounting note the following:
The controller should not be freely accessible after mounting. It must be mounted in
a cabinet or behind a cover that can only be opened / removed with a key or a tool.
Ensure adequate air circulation to dissipate
heat generated during operation.
Easy access is required for service personnel
Local installation regulations must be observed.
Mounting instructions and a drilling template are printed on the controller packaging.
Commissioning
The RXB2... room controllers are commissioned with either the ETS3 Professional or
the Synco ACS tool
via the RS232-KNX / EIB interface, or
via the USB-KNX / EIB interface (OCI700),
or with the HandyTool" via PPS2
The definitive application and the controller's location are handwritten in the labeling
fields "Appl." and "Loc" in the commissioning stage.
A special test mode (ETS3 Professional or "HandyTool") is available for operation of
the outputs. Further, if the digital inputs have been activated, they can be interrogated.
Labeling
Function test