Mounting And Electrical Installation - Siemens QMX3.P37 Technical Principles

Ambient conditions
Location (sensors,
room operator units)
Mounting instructions
Mounting over a
conduit box
12 / 46
Siemens
Building Technologies
3

Mounting and electrical installation

Comply with the following notes as well as the mounting instructions [2] to mount
the room sensor.
Note the permissible ambient temperature and humidity. See data sheet [1] for
environmental conditions.
• The devices are suitable for wall mounting.
• Recommended height: 1.50 m above floor.
• Do not mount the devices in recesses, shelves, behind curtains or doors, or
above or near heat sources.
• Avoid direct solar radiation and drafts.
• Seal the conduit box or the installation tube, as air currents can affect sensor
readings.
• Adhere to allowed ambient conditions.
• Mounting instructions M1602 are enclosed with the devices.
Service LED (red)
*)
The installing tube must be sealed or cold or warm air may enter the device and
cause faulty temperature readings by the internal sensor.
Wall-mounted sensors and room operator units for KNX/ETS and KNX/ACS
Mounting and electrical installation
Tool plug Programming pin
CM2N1602en_05
2018-09-14