en
Installation
Selecting the fuel
When selecting the fuel type, take note of the temperature limits of each particular
fuel.Thelimitvaluesprovidedherearetobetreatedasguidelines.Conrmthe
actual temperature limits from the fuel supplier.
• diesel, summer grade, temperature must not fall below –5 °C.
• diesel, winter grade, temperature must not fall below –24 °C.
• diesel, arctic winter grade, temperature must not fall below –40 °C.
Ifthetemperaturedropslowerthantheminimumlevel,parafnmayforminthe
fuel.Thismayresultinthefuellterandpumpbeingclogged.Theclogwilldissolve
only if the fuel temperature rises clearly over 0 °C.
The less aromatic substances the fuel contains, the less deposits will be formed.
Normal furnace oils contain 35–40 % of aromatic substances. In city diesels and
green furnace oils (green diesel heating oil) the concentration is 20 %.
Conrmtheactualtemperaturelimitsforthefuelyouareusingfrom
the fuel supplier.
Dieselqualitiesanddenitionsvarybycountry.Alwayscheckthe
right fuel from your importer / dealer
D10461
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