Installing The Product - Vaillant VR 920 Manual Del Usuario

6 Installation of the separate version by the competent person
6.3

Installing the product

Danger!
Risk of death from live connections
(230 V)!
Risk of death from electric shock when work-
ing on live connections (230 V).
▶
Disconnect the power supply to the
product before commencing any work on
it.
▶
Secure the power supply against being
switched on again.
▶
Check that there is no voltage in the con-
nections.
Caution.
Incorrect installation
Incorrect installation may cause material
damage.
▶
Only carry out the installation if you are
a certified expert partner and you take
responsibility for the installation and initial
start-up.
1. Use the screws from the bag of small parts to mount the
retainer on a suitable wall.
94
2. Position the product on the retainer.
3. Disconnect the boiler from the power grid and protect it
against being switched back on.
Operating and installation instructions 0020266269_00