Separating The Neutralising System From The Boiler And Connecting The Drain Hose; Cleaning The Combustion Chamber And Heating Surfaces - Viessmann VITOCROSSAL 300 Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
Separating the neutralising system from the boiler and connect-
ing the drain hose
C
D
E
1. Separate hose A to the neutralising
system from siphon B.
2. Undo siphon B from condensate
drain C.
3. Clean condensate drain C on the
inside using a plastic brush.

Cleaning the combustion chamber and heating surfaces

!
Please note
Contact with unalloyed iron and
scratches on parts in contact with
flue gases can lead to corrosion.
Only use plastic brushes, NOT
wire brushes or sharp objects.
12
B
4. Connect drain hose D to conden-
1. Clean the combustion chamber and
(cont.)
A
sate drain C and route it to drainage
system E.
heating surfaces.
■ For normal cleaning, flush the heat-
ing surfaces thoroughly with a
water jet.
■ However, you may use cleaning
agents if you notice stubborn resi-
dues, surface discolouration or
soot deposits.