Vaillant VR 920 Safety & Instruction Manual page 7

4.2 Observing the installation
steps
Observe the installation steps in the
▶
illustrated instructions at the end of this
document.
4.3 Meaning of the LEDs
LED Status
Yellow Flashing
Yellow Lights up
Blue Flickering
Blue Lights up
Blue Flashing
Red Lights up
4.4 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
5 Repair
5.1 Replacing the power supply
unit
If you replace the power supply unit,
▶
only use an original power supply unit
from the manufacturer.
0020253127_02 Safety 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
6 Technical data
6.1 Technical data –
Communication unit
Note
* Not applicable for article number
0020252924 and not applicable for
Russia/Ukraine.
Measuring voltage
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
Width
Depth
Level of protection
Protection class
Permitted degree of
environmental pollution
Repair 5
5 ... 24 V d.c.
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
122 mm
36 mm
IP 20
III
2
5