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FUEL BUNKER
The fuel bunker should have the following characteristics:
• dry
• dust-proof
• statically suitable
• accessible for the filling process
• free of other installations, especially in existing buildings
• adapted to fuel requirements
The refilling intervals should be kept as long as possible. The HDG
Compact 25 - 80 heating system should be located so that the noise
generated does not exceed the permitted values of DIN 4109
“Soundproofing in building construction”.
P
ROPER DIMENSIONING The size of the fuel bunker depends on the heating system, the deter-
mined thermal load, the resulting annual fuel requirements and exis-
ting building conditions. Practice has shown that filling the fuel
bunker four to six times per heating period is desirable.
P
ASSAGE THROUGH THE WALL The passage through the wall normally has to be made in the wall
between the boiler room and the fuel bunker. Its position depends
on the distance and the position of the HDG Compact heating
system within the room and the customer's installation diagram. Due
to the auger assembly, the passage through the wall should have a
width of 70 cm as well as a height of 70 cm.
V
ENTILATION OF FUEL STORAGE
ROOMS
Wood fuel products with higher moisture can cause relatively high
air humidity in the fuel bunker. Cold surfaces may thereby experi-
ence a drop below the dew point and form condensation. This con-
densation water often occurs on non-insulated lids, doors or cold
walls and can result in a further moistening of the fuel.
It is therefore recommended to provide a suitable ventilation system
that corresponds to the building's features.
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