88DU
Installation
GB
490070GB
Selecting the fuel
When selecting the fuel type, take note of the temperature limits of each particular
fuel. The limit values provided here are to be treated as guidelines. Con
fi
rm the
actual temperature limits from the fuel supplier.
- light furnace oil / diesel, summer grade, temperature must not fall below –5 °C.
- light furnace oil / diesel, winter grade, temperature must not fall below –24 °C.
- light furnace oil / diesel, arctic winter grade, temperature must not fall below –40
°C.
If the temperature drops lower than the minimum level, paraf
fi
n may form in the
fuel. This may result in the fuel
fi
lter and pump being clogged. The clog will dissolve
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 the concentration is 20 %.
Con
fi
rm the actual temperature limits for the fuel you are using from
the fuel supplier.
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