Data Sheet for Product

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Siemens Flush-mount room AQR253…, AQR257… CE1N1411en
Smart Infrastructure KNX S-Mode / KNX LTE-Mode / KNX PL-Link 2020-12-31
Comply with the various regulations on separating
various voltage levels, when mounting the
temperature sensor (with extra-low voltage
protection) alongside the recessed conduit boxes
connected to the low-voltage power. In this case, the
mounting frames must be connected to the
protective ground wire with a flat plug connector plug
designed for grounding.
1410J07
Note the permissible ambient climate (see "Technical data").
The front and base module are interconnected via removable snap-on equipment
and anti-theft device (red safety plug). Use a screwdriver to easily unlock the anti-
theft device. The red safety plug is supplied with the front module.
Mounting instructions are enclosed in the device package.
Supplementary information on sensor mounting is also available in the following:
"Symaro guidelines on sensor mounting" Z-F01040501EN.
Remove the front module from the base plate, to exchange either front or base
module, or to use the tool connection plug.
2
1
1411J06
No. 2
1. Use one hand to unlock the anti-theft device
with a screwdriver as needed.
2. Pull out the front module with the other hand.
The device is designed for flush-mounted cabling.
Run the cables from the wall outlet to the sensor base module.
• To cable KNX PL-Link (topology, allowed cables and cable length), read the
Desigo TRA installation instructions, CM111043.
• Use only suitable, certified cables for the KNX bus.
• Do not swap the wires for the KNX cable.
– Red terminal is for CE + (KNX+)
– Gray terminal is for CE - (KNX-)
• Comply with local installation regulations.
• Use a flat plug to connect the ground cable in the plug (same plug in case of
switch or mains plug).
STOP
Caution
• The device is not protected against inadvertent connection to AC 230 V.
Anti-theft device
Mounting instructions
Removal
Installation