Fitting The Boiler Door - Viessmann VITORONDENS 200-T Service Instructions Manual

Commissioning, inspection, maintenance
Cleaning the heating surfaces
For stubborn residues, surface stains or soot deposits,
cleaning agents can be used.
Checking the gaskets and thermal insulation sections
1. Check gaskets and packing cords in the boiler door
for damage.
2. Check the thermal insulation sections of the com-
bustion chamber and the boiler door for damage.

Fitting the boiler door

Fig. 8
For room sealed operation: Refit the ventilation air pipe
after closing the boiler door.
Manufacturer: Hebro Chemie GmbH, Rostocker Strasse 40, D-41199 Mönchengladbach
*1
14
(cont.)
For this, observe the following:
■ Only use solvent-free cleaning agents.
■ Remove soot deposits with alkaline agents contain-
ing surfactant additives (e.g. Fauch 400/410
Combustion residues may create thin, yellow-brown
■
surface stains as well as hard deposits. These may
only become visible after the soot deposits have
been removed. Discolouration on the surface of the
stainless steel heat exchanger is a normal sign of
use. It has no bearing on the function and service life
of the heat exchanger. To remove hard deposits, use
slightly acidic, chloride-free cleaning agents based
on phosphoric acid (e.g. Antox 75 E
■ Remove loosened deposits from the heat exchanger
and rinse the heating surface thoroughly with water.
3. Replace any damaged components.
41
).
*1
*1 ).