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TECHNICAL CHARACTERISTICS
smoke outlet pipe Ø
Max. heating volume
Heating input reduced - nominal
Heating output reduced - nominal
Water heating output reduced - nominal
Electrical consumption during nominal heat output*
Electrical connection
Hopper capacity
Hourly consumption
Loading interval
Red. - Nom. Yield
CO at 13% of O
2
Smoke flow
Minimum draft
Smoke temperature
Max working pressure
Maximum adjustable water temperature
Water content
Expansion vessel/
The data shown here is provided as a guideline and is not binding, and may change based on what type and quality of wood is used.
Ravelli reserves the right to make any changes in order to improve product performance.
Characteristics of the fuel
Wood pellet is a fuel made of pressed wood sawdust, often recovered from processing scraps of carpentries. The material used
cannot contain any extraneous substance such as, for example, glue, lacquer or synthetic substances.
The sawdust, once it has been dried and cleaned from impurities, is pressed using a die with holes: as a result of high pressure, the
sawdust heats up by activating the natural wood binders; this way the pellet maintains its shape even without adding artificial
substances.
Wood pellet density varies based on the type of wood and can exceed that of natural wood by 1.5 - 2 times.
The cylinders have a diameter of 6 mm and a variable length between 10 and 40 mm.
Their density is equal to approximately 650 kg/m
The UNI EN ISO 17225-2:2014 standard (that replaces the EN PLUS standard) defines pellet quality by specifying three classes: A1,
A2 and B. Maintain fuels and other flammables at a suitable distance.
Ravelli recommends using wood pellet classified A1 and A2 according to the EN ISO 17225-2:2014 standard, or certified DIN PLUS
(more restrictive than the A1 class) or ONORM M 7135.
Pellet may be light or dark coloured, it is normally bagged into bags that show the name of the producer, the main characteristics
and classification according to standards.
! IMPORTANT
Non-permitted fuels
We recommend not using the following materials as fuel:
•
wood
•
treated wood (painted, lacquered, glued wood etc.);
•
sawdust or chips
•
liquid fuel
•
coal or other fossil fuels
•
plastic and derivatives
•
treated paper and cardboard
•
waste
•
fuels that release toxic or polluting substances
Using these fuels, on top of being forbidden due to the emission of polluting and harmful substances, causes the stove to deteriorate
more rapidly and debris to accumulate in the stove and in the smoke evacuation system, thereby reducing performance and safety.
Use and maintenance manual HRB 150 - HRB 200
. Due to their low water content (< 10%) they have a high energy content.
3
Pellets must be transported and stored in a dry area. Upon contact with humidity they
swell and become unusable: it is therefore necessary to protect them from humidity, both
during transport and during storage.
HRB 150
HRB 200
80
80
430
560
5,8 - 19,5
7,3 - 25,6
5,4 - 18
6,7 - 23,5
4,6 - 15,7
6 - 20,6
1,21 - 4,04
1,5 - 5,3
420
420
50 - 230
50 - 230
30
30
8 - 28
6 - 20
92,4 - 92,5
91,9 - 91,7
0,027- 0,006
0,020- 0,007
7,7 - 11,7
7,7 - 12,6
10- 15
10- 15
0,10- 0,15
0,10- 0,15
80 - 139
91 - 170
2
2
75
75
16,5
18,5
8
8
Rev.1 14/02/18
Page 41
EN
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