Operating And Installation Instructions; Observing Other Applicable Documents; Design Of The Product; Product Functions - Vaillant VR 920 Betriebs Und Installationsanleitung

1 Notes on the documentation
Operating and installation instruc-
tions
1 Notes on the documentation
1.1

Observing other applicable documents

▶
You must observe all the operating and installation in-
structions included with the system components.
1.2 Validity of the instructions
These instructions apply only to:
Product article number
VR 920
2 System overview
LAN/
eBUS WLAN
1 2 3
1 Heat generator (eBUS-
compatible)
2 multiMATIC VRC700
(all generations)
3 VR920 communication
unit
The VR920 communication unit is the central Vaillant gate-
way to the Internet and enables
The multiMATIC app is only compatible with the
multiMATIC VRC700 system control and supports Apple
iOS and Android smartphones.
Note
Using the VR920 produces data traffic. We re-
commend using an Internet flat rate tariff.
80
0020252922, 0020252923,
0020252924, 0020252926
6
4 5 7
4 DSL router
5 Vaillant Group server
6 multiMATIC app
7 profiDIALOG remote
service and diagnosis
platform
Connectivity Services.
3 Product description
3.1

Design of the product

1 2
1 BUS (eBUS connection
to the heat generator)
2 Power supply unit con-
nection
3 Network cable connec-
tion
3.2

Product functions

The communication unit can be connected to the Internet
via WLAN or LAN. The communication unit has a wireless
interface for using the ambiSENSE single-room temperature
control.
Conditions: Built-in version
If you want to use the WLAN and ambiSENSE wireless in-
terfaces, you must remove the communication unit from the
boiler and position it on the boiler.
If you want to use the LAN interface, the communication unit
can remain in the boiler.
3.3 WLAN password
To start up the product, you require a password-protected
network.
A possible MAC address filter must be taken into account
in the router. You can find the required information on the
enclosed ID card.
3.4 Meaning of the LED on the product
LED Condition
Flashing
Lights up
Flickering
Lights up
Flashing
Lights up

Operating and installation instructions 0020266269_00

3 4 5 6
4 Status LED
5 Fault clearance button
6 Radio link start-up
button
Meaning
The product starts up
The start process ends; ready for
coupling
The coupling mode (WLAN) is
active
LAN/WLAN is available. The
product is ready for operation.
VR 920 is being updated
Internet connection was discon-
nected; when connecting via
LAN: No Internet connection
available