Viessmann VB2 Series - Page 9

Start-up and Service
9
3. Clean chimney, flue pipe and heat exchanger
1. Check flue pipe condition, chimney
connection, and chimney itself, both
inside and outside, for rust,
deterioration, blockage, or leakage.
Repair or replace as necessary.
2. Ensure combustion and ventilation air
openings of boiler room are open and
unobstructed.
3. Remove combustion chamber insert
and clean.
4. Clean heat exchanger surfaces with
the cleaning brush
and using a
vacuum cleaner.
4. Check all gaskets and insulation
1. Check all gaskets and the sealant
rope of the combustion chamber door
for wear or damage.
2. Check the combustion chamber door
refractory and burner refractory for
wear or damage.
3. Replace worn or damaged parts.
Service (continued)
5167 405 v2.2