Installation Instructions; Safety Instructions - Viessmann Flue gas system Installation Instructions Manual

Installation instructions

for contractors
Flue gas system
for Vitocrossal (type CU3), Vitodens and Vitoladens

Safety instructions

Please follow these safety instructions closely to prevent accidents and
material losses
Safety instructions explained
!
Please note
This symbol warns against
the risk of material losses and
environmental pollution.
Note
Details identified by the word "Note"
contain additional information
installation, initial start-up, inspection,
maintenance and repairs must only be
carried out by a competent person (heating
engineer/installation contractor).
Before working on the equipment/heating
system, isolate the power supply (e.g.
by removing a separate mains fuse or by
means of a mains isolator) and safeguard
against unauthorised reconnection.
When using gas as a fuel, also close the
main shut-off valve and safeguard against
unauthorised reopening.
Repairing components which fulfill a safety
function can compromise the safe operation
of your heating system.
For replacements, use only original spare
parts supplied or approved by Viessmann.
Dispose after installation
1