Operating Instructions; Appliance Features 1; Safety 2 - Vaillant VR 81 Supplement Manual

Operating instructions

h Note
Have your expert technician explain the operati-
on of the VR 81 remote control unit once the in-
stallation is complete. This will prevent involun-
tary changes to the settings.
Note
Also read the operating manual for the VRC 430
controller. This describes how important
parameters of your heating system
can be adjusted (e.g. time window). An
explanation of technical terms and important
functions is provided in alphabetical order at the
end of this document.
1 Appliance features
The VR 81 remote control unit is a wired remote control
unit for a heating circuit and is used in combination with
the VRC 430 controller. Communication with the boiler is
achieved via a 2-lead bus line (eBUS).
Operating manual VR 81 0020044392_00 VR 81 0020044392_00
You can adjust or modify the main functions via the VR 81
remote control unit (operating mode, target room
temperature).
Only one VR 81 remote control unit can be used.
Product specifications
– eBUS interface
– Symbol display
– Operation using a single dial based on the "Turn and
Click" principle
- The remote control unit can be mounted separately on
the wall
2 Safety
The VRT 81 remote control unit must be installed by a
recognised expert technician who is also responsible for
ensuring that existing standards and regulations are
observed.
We accept no liability for any damage caused by failure to
observe these instructions.

Appliance features 1

Safety 2

5