4755604 GB 3/2018
Please keep safe.
Maintenance Checklist
for contractors
Vitodens 100-W
Type B1HC, B1KC
VIESMANN
Safety instructions
Please follow these safety instructions closely to prevent accidents and material losses.
Installation, commissioning, inspection, maintenance
and repairs must only be carried out by a competent
person (heating engineer/installation contractor).
For heat pumps: work on the refrigerant circuit may
only be carried out by authorised refrigeration engi-
neers.
Before working on the appliance/heating system, iso-
late it from the power supply (e.g. by removing a sepa-
rate mains fuse or by means of a mains isolator) and
safeguard against unauthorised reconnection.
When using gas as fuel, also close the main gas shut-
off valve and safeguard against unauthorised reopen-
ing.
Check for gas tightness after installation.
Maintenance work on parts that fulfil a safety function
is not permitted. For replacements, use only original
spare parts supplied or approved by Viessmann.
Install the components with new gaskets.
Finding wearing parts
The wearing parts that have to be serviced can be identified and ordered via the Viessmann spare part app.
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