Opening The Control Unit Enclosure - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Installation sequence
Mounting the boiler and making the connections
■ Apertures for ensuring sufficient com-
bustion air supply are open and cannot
be closed off.
■ Applicable regulations on installing
and commissioning flue systems have
been followed.

Opening the control unit enclosure

3.
20
2.
4x
(cont.)
Danger
Leaking or blocked flue systems
or an insufficient supply of com-
bustion air cause life threatening
poisoning due to carbon monox-
ide in the flue gas.
Ensure the flue system functions
correctly. Apertures for combus-
tion air supply must not be able to
be closed off.
1.
2x