Fuel Oil Quality; Fuel Oil Additives; Combustion Improvers - Viessmann VITODENS Operating Instructions Manual

Fuel oil quality

Vitoladens appliances are approved for
the combustion of low sulphur fuel oil to
DIN 51603-EL-1 (max. sulphur content
50 ppm).

Fuel oil additives

Fuel oil additives are substances that
can be used providing they have the fol-
lowing properties:
■ Improvement of stability during fuel
storage.
■ Increase in the thermal stability of the
fuel.
■ Reduction of odour development dur-
ing filling.

Combustion improvers

Combustion improvers are additives for
optimising fuel oil combustion.
Viessmann oil burners do not require
combustion improvers, as these burners
operate with clean and efficient combus-
tion.
Biofuels
Biofuels are made from vegetable oil,
e.g. sunflower or rapeseed oil.
A condensate neutralising system is not
required (according to Code of Practice
ATV-DVWK-A 251 [Germany]) when
using this low sulphur fuel.
!
Please note
Fuel oil additives can create res-
idues and impair the safe opera-
tion of your heating system.
The use of fuel oil additives that
leave residues is not permissible.
!
Please note
Combustion improvers can cre-
ate residues and impair the safe
operation of your heating sys-
tem.
The use of combustion improvers
that leave residues is not permis-
sible.
!
Please note
Biofuels can cause damage to
Viessmann oil burners.
Ordering fuel oil
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