Meaning Of The Leds; Background Information; Technical Data - Vaillant sensoNET VR 921 Notice D'installation

4.2 Observing the installation
steps
▶
Observe the installation steps in the
illustrated instructions at the end of this
document.
4.3 Replacing the
electrical connection to the
heat generator, if required
1. Remove the power supply unit and
the eBUS connection cable.
2. Install the connection cable (article
number: 0020284732) for the direction
connection to the heat generator.

4.4 Meaning of the LEDs

LED Status
Yel- Flashing
low/green
Yel- Lights up
low/green
Blue Flickering
Blue Lights up
Blue Flashing
Red Lights up

4.5 Background information

For further information on the product and
the system (EEBus, system information,
etc.), you can call up the following website:
– www.vaillant.com/homecomfort
0020285487_03 Installation instructions
Meaning
The product starts.
The start process
ends; ready for
coupling
The coupling mode
(WLAN) is active
LAN/WLAN is avail-
able. The product is
ready for operation.
Product software is
updating
Internet connection
was disconnected;
when connecting
via LAN: No Internet
connection available
5 Repair
5.1 Replacing the power supply
unit
▶
If you replace the power supply unit,
only use the original power supply unit
from the manufacturer (article number
0020116923 or 0020259111).

6 Technical data

6.1 Technical data –
Communication unit
Note
* Not applicable for article number
0020260964 and not applicable for
Russia/Ukraine.
** Applies for use with the connec-
tion cable for the direct connection
to the heat generator.
Rated voltage
Requirement for the
power supply **
Radio frequency bands
*
WLAN radio frequency
band
Radio frequency output
at 868.0 – 868.6 MHz
(max. e.r.p.)*
Radio frequency output
at 869.4 – 869.65 MHz
(max. e.r.p.)*
WLAN radio frequency
output (max. e.r.p.)
WLAN channels
Power consumption
(average)
Maximum envirno-
mental temperature
Low-voltage wire (bus
line) – cross-section
Ethernet cable (LAN)
Height
5 to 24 V
ES1 or PS1 in
accordance with
IEC 62368-1
868.0–868.6 MHz,
869.4–869.65 MHz
2.4 GHz
6.6 dBm
6.9 dBm
17.5 dBm
1 – 13
3.0 W
50 ℃
≥ 0.75 mm²
min. Cat 5
96 mm
31