1 Notes on the documentation
2 Description of the appliance
Caution
Potentially dangerous situations for
the product and environment.
Note
Useful information and instructions.
• Symbol for a necessary task
Note
Please see the terms of use available
on the internet at
http://www.vrnetdialog.vaillant.de
4
2
Description of the appliance
2.1
Intended use
The vrnetDIALOG communication unit is an
electronic accessory for remote configuration
and diagnosis, and for alarms from a boiler
and a simple controller such as a room tem-
perature or outdoor temperature controller,
using a modem connection and the internet.
2.2
CE labelling
The vrnetDIALOG communication unit com-
plies with the applicable guidelines and stand-
ards when the installation instructions and
manufacturer's instructions are followed.
2.3
Application
Two different models are available:
- vrnetDIALOG 820 - for use with an ana-
logue telephone connection.
- vrnetDIALOG 830 - for use with a mobile
radio network (GSM/GPRS).
The only difference between the two models
is the type of telephone network connection.
Connections to the heaters are the same for
Installation Manual for vrnetDIALOG