Vaillant VRT 220 Manual Del Usario página 10

GB
Choose the operating mode . . . . . . . . . . . . . . . . .64
Activate the holiday program . . . . . . . . . . . . . . . .66
Temporary change of temperature setting . . . .68
Adjust the day/night temperature . . . . . . . . . . . .70
Set the time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Set program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Connect with remote-control switch . . . . . . . . .76
2 Installation
This system MUST be fitted by a qualified and
approved installation engineer, proceeding as
shown on pages 78 to 80. The relevant safety gui-
delines should be followed at all times.
There is a danger of fatal injury from tou-
ching live components. Always shut off the
power supply to the system (and ensure it
cannot be reconnected) BEFORE carrying
out installation or maintenance work.
Note that we will accept no liability whatsoever for
injury or damage resulting from failure to observe
these instructions. This condition applies especially
to incorrect wiring and/or defective mechanical
installation.
10
page
VRT 220