HDG Euro 30, Руководство по эксплуатации

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3 Mode of operation – Fuel quality requirements
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*Maximum operating temperatures of up to 110 °C can also briefly occur.
3.4 Fuel quality requirements
The HDG Euro 30/40/45/50 boiler is designed for the standard use of
burning untreated wood in the form of logs, wood chips, shavings
and pressed wood briquettes.
L
OG WOOD
Essential criteria are the length, diameter and water content of the
fuel.
L
ENGTH AND DIAMETER
For the log wood boiler HDG Euro 30/40/45/50, firewood with a
length of up to 50 cm (L50) can be used. The maximum diameter of
the firewood is specified as D15 (diameter of maximum 15 cm).
The firewood must be split at least once so as to provide an optimal
surface for gasifying the wood. The major proportion of the firewood
should measure between 8 and 12 cm in diameter.
W
ATER CONTENT
When selecting fuel, note that the calorific value of the wood is
primarily dependent on the water content. The more water
contained in the wood, the smaller the calorific value, since the water
vaporises in the course of the burning process and thereby
consumes heat. This leads to a decreased efficiency and thus to
higher fuel consumption. A higher water content in the fuel also
Water-side resistance at nominal
thermal power
• 10 K
• 20 K
2400 Pa
640 Pa
Other information
Burning duration per filling with
fuel in accordance with fuel
recommendations Beech:
up to 7 h
Spruce:
up to 6 h
Beech:
up to 6 h
Spruce:
up to 5 h
Beech:
up to 5 h
Spruce:
up to 4 h
Sound pressure level < 70 dB(A)
Min. air inlet cross section
150 cm
2
Type of boiler HDG Euro 30 HDG Euro 40 HDG Euro 45 HDG Euro 50
Table 3/1 - HDG Euro 30/40/45/50 technical data
With regard to the quality standards for solid fuel the DIN EN ISO
17225 “Biogenic solid fuel - fuel specifications and classes -
classification of wood chips” applies.
• Part 5 “Classification of log wood”
• Part 4 “Classification of wood chips”
• Part 3 “Classification of wood briquettes”
In accordance with this standard, the properties of fuels that can be
used with the HDG Euro 30/40/45/50 are specified below in more
detail.