Opening The Boiler Door; Cleaning The Heating Surface - Viessmann Vitoladens 300-T Service Instructions For Contractors

Commissioning, inspection, maintenance

Opening the boiler door

Fig. 2
For room sealed operation: Remove the ventilation air
pipe before opening the door.

Cleaning the heating surface

A
Fig. 3
Cleaning brush
A
Note
Carry out standard cleaning from the front of the boiler
(through the combustion chamber).
In the case of severe contamination (e.g. through
incorrect burner adjustment), remove the heat
exchanger from the boiler for cleaning.
1. Remove contamination from the connector using a
vacuum cleaner.
2. Thoroughly flush the heating surface with water.
10
42.8/53.7 kW
41
!
Please note
Prevent components of the stainless steel heat
exchanger that come into contact with hot gases
from being scratched or otherwise damaged.
Prevent stainless steel components that come
into contact with hot gas from contact with pure
iron, as corrosion damage can result.
Never use a wire brush or sharp objects. Use
plastic brushes if required.