Viessmann Vitopend 100-W Installation And Service Instructions Manual page 10

Warning notices
Notes on siting, installation and operation
■ Installation, maintenance and service
must be carried out by an authorised
contractor.
■ The boiler installation must meet the
following local requirements:
– Safety conditions for the gas sup-
ply
– Guidelines for water supply and
waste water disposal
– Construction guidelines
■ The surface temperatures of the
boiler and flue system do not neces-
sitate any safety clearances for fire
protection.
10
■ After installation, the heating contrac-
tor should mark the position of the
flue system and instruct the system
user about operation and the safety
regulations.
■ The appliance power cable and leads
may only be replaced by an author-
ised contractor or a specialist author-
ised by the contractor.
■ To ensure trouble-free and efficient
operation, the heating system should
be checked and serviced once a year
by an authorised contractor.