Vaillant VR 81, Supplement Manual

Page: 23 / 28

Electrical installation 9
Start-up 10
10 Start-up
Start-up must be carried out in accordance with the
assignment of the remote control unit to the heating
circuit.
h Note
The VR 81 remote control unit is assigned to the
heating circuit at the installer level in the VR 81
remote control unit.
Section 10.1 describes how you can do this.
10.1 Activating/exiting the installer level
Press the dial for roughly 10 seconds to access the in-
staller level.
The symbol is shown in the display.
Press the dial for five seconds to exit the installer
level, or wait for five minutes until the basic display
reappears automatically.
10.2 Setting the parameters
Setting the address for the heating circuit
A separate address is assigned to each heating circuit.
If the VR 81 remote control unit is used in conjunction
with the VRC 430 controller, only the addresses for
heating circuit 1 = A1 or heating circuit 2 = A2 can be
selected.
The installer level appears in the display.
The address of the remotely controlled heating circuit is
displayed and flashes (standard: A1).
Fig. 10.1 Specifying the address for the heating circuit
Turn the dial to change to the next address.
The basic display reappears after five minutes if no
further input is made. The selected address is used.
19 Installation instructions VR 81 0020044392_00