8
Operating Manual
for VRC 400 weather compensator
3 Description of the control
3
Description of the
control
The VRC 400 is a weather compensator
with a weekly programme for heating,
hot water and a circulation pump for
connecting to Vaillant boilers with an
eBus.
The VRC 400 enables you to set heating
programmes depending on the outside
temperature. In addition, you can select
special functions such as the party func-
tion, and control the timed operation of
hot water and a separate circulation
pump.
