Opening The Combustion Chamber; Cleaning The Combustion Chamber And Heating Surfaces - Viessmann Vitocrossal CRU 800 Service Instructions For Contractors

Commissioning, inspection, maintenance

Opening the combustion chamber

8. 3.
5.
1.
2.
Fig. 11
Danger
Serious injuries can result from the burner door
falling shut.
Secure the burner door against unintentional
closure.

Cleaning the combustion chamber and heating surfaces

!
Please note
Scratches inside the combustion chamber or on
components that come into contact with flue gas
can lead to corrosion damage.
■ Only clean with synthetic brushes, never use
wire brushes or sharp objects.
■ Never place tools or other objects inside the
combustion chamber.
20
4. 6x
!
Please note
Scratches inside the combustion chamber can
lead to corrosion damage.
Never place tools or other objects inside the
combustion chamber.
To clean, thoroughly flush the heating surfaces with a
jet of water.