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SAFETY
2.
Safety
2.1
General safety instructions
Filling the pellet storage room
Switch off the heating system as instructed 15 min. before
filling the pellet storage room (press the blocking switch,
chapter 4.1 on page 13, no. 2).
Supply air openings
Air inlets and outlets must not be closed. It is important to
ensure that the combustion air required for correct opera-
tion of the boiler can flow unhindered and protect operat
-
ing personnel from an oxygen-depleted atmosphere.
Entering the pellet storage room, storage tank
Under unfavourable circumstances, an increased con-
centration of harmful gases (such as carbon monoxide)
may occur in pellet storage rooms, possibly posing a risk
when accumulating over a longer period of time. Despite
the fact that under normal circumstances, there is no risk
at all, the possibility of such a scenario cannot be ruled
out.
•
If work is being carried out in filled pellet storage rooms,
a second person must always be present outside the
room for security reasons.
• Before entering pellet storage rooms, they must always
be thoroughly aerated.
The storage room must be ventilated for at least 15
minutes. In the case of pellet storage rooms with a vol-
ume of more than 10 t, the duration of ventilation must
be extended or mechanical ventilation provided.
• No-one should enter the pellet storage room in the 4
weeks following filling. If it is necessary for persons to
enter the pellet storage room, the room must be venti-
lated for at least 2 hours before entering.
• It must be ensured that the storage room door remains
open while there are persons inside the pellet storage
room.
• Entering pellet storage rooms that have not been aer-
ated (particularly underground tanks) must be avoided,
and only trained personnel is permitted to do so. Be-
fore entering the pellet storage rooms or pellet storage
tanks, the concentration of CO must be measured (the
concentration must be less than 30 ppm). If necessary,
thoroughly aerate the storage room or tank before en-
tering it.
•
If the storage is difficult to access or if it is accessible
only from above (such as underground tanks), the per-
son entering the tank must be additionally secured.
• Keep away children from the pellet storage room!
• If there are moving parts (screw conveyors) in the pellet
storage room, turn off the mains switch of the heating
system before entering the storage room, as otherwise
there is a risk of injury.
•
Smoking, naked flames and other possible sources of
ignition are prohibited inside the pellet storage room.
Keep the doors and pellet hopper closed
Do not operate the boiler with the doors or pellet hopper
open. There is a danger of burn-back, and any sparks
emitted could cause a fire.
Leaks at doors and the pellet hopper
The doors and pellet hopper must be checked for leaks
on an annual basis. Smoke leaks should be avoided in
order to prevent any toxic low-temperature gases from
escaping into the boiler room.
Overpressure safety valve, burn-back protection and
thermal discharge safety device
Periodically, a heating engineer must check the proper
functioning of the safety equipment (overpressure safety
valve, burn-back protection on the burner, thermal dis-
charge safety device).
Keep children away
Parents must keep their children away from the boiler
room; the heating system is not a toy!
Use suitable fuel
Only suitable fuel is allowed to be used. Use of unsuitable
fuels will invalidate all warranty claims.
The BioLyt (8-43) wood pellet boiler has been designed
for optimum combustion of wood pellets. The pellets must
meet the requirements of at least one of the standards
listed below
• ÖNORM M 7135
• DIN 51731 / HP5 (DINplus)
• SN 166000
• EN 14961-2 / A1 (ENplus/A1)
• EN ISO 17225-2
Hoval recommends ENplus (Class A1):
Pellet delivery
•
Do not fill the pellet storage room until after initial com
-
missioning of the boiler.
• Switch off the heating system as instructed 15 min. be-
fore
filling the pellet storage room.
• The total pellet consumption of your plant can be seen
at any time on the control module. For further informa-
tion, see chapter 5.14 on page 76.
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