9
Notes on mounting and commissioning
KNX eTR 205/206 Light push button
• Version: 16.12.2020 • Technical changes and errors excepted.
Installation directly on the wall
The wires are pushed into the connection openings.
Installation on a socket
To avoid falsifying the temperature value, use a wind-proof socket and also seal the in-
let pipes against draughts.
Finish mounting
Snap the front panel into place on the mounting (see Fig. 5): Place it slightly above the
centre position, hook it in and slide it downwards.
3.
Notes on mounting and commissioning
Never expose the device to water (e.g. rain) or dust. This can damage the electronics.
You must not exceed a relative humidity of 95%. Avoid condensation.
After the bus voltage has been applied, the device will enter an initialisation phase
lasting a few seconds. During this phase no information can be received or sent via the
bus.
4.
Addressing the device
The device is delivered ex works with the bus address 15.15.255. You program a differ-
ent address in the ETS by overwriting the address 15.15.255 or teach the device using
the programming button.
The programming button is located at the bottom outer side of the front panel of the
device and is recessed. Use a thin object to reach the button, e. g. a 1.5 mm² wire.
When the button is pressed, the temperature display on the front flashes.
Remove the red-black KNX bus terminal, it is not
required.
Connect the bus +/- connecting wires to the spring-
loaded terminals on the front panel.
Fig. 6 Spring-loaded terminals
To pull it out, press the spring down, e.g. with a
screwdriver.
If there is a cavity behind the device, e.g. when
using a socket, you can use the red/black KNX bus
terminal for connection.
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