Regulation Of Combustion Air; After Use & Maintaining Perfect Burn - Olsberg Virgo Installation Instructions Manual

Cylindrical stove
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3.0 OPERATING INSTRUCTIONS
Air controller
Primary air controller: CLOSED
3.6 - After Use & Maintaining Perfect Burn
After using the stove, remove the ash from the combustion chamber before lighting another fire. Always
empty the ash drawer before each use, while the unit and the ashes are cold. Please note leftover ash can
obstruct the air supply and damage the grate. Continue the lighting procedure according to the section
"Lighting the fire for the first time".
Load more fuel only if the current fuel is glowing and flames are not visible any more. When loading more
fuel, open the door of the combustion chamber slowly so that the smoke gases cannot flow out through the
door. Place the amount of fuel necessary for the desired heating capacity on the embers, leaving an inch
of space between each piece, levelling the glowing embers. Set the air regulators according to the nominal
capacity as desired after it has burned down to embers. Always maintain optimal burning!
Repeat the procedure after the fuel has burned down. Never put more fuel in the stove at one time than is
specified, which is shown in the technical data sheet. Only one portion of fuel can be burned at the same
time. Load more fuel, only the fuel in the unit already, has burned down. Always check that there are not too
Secondary air controller: OPEN
many glowing embers piling up in the combustion chamber. Do not restrain the fire, load less fuel instead
and never close the primary air regulator completely.
Your stove is equipped with an automatically closing door. It can be operated only with a closed door. Open
the door only if you want to load more fuel and only if the previous amount has burned down to embers.
The condition of proper operation of the stove is the appropriate chimney draught (feed pressure). This is
considerably dependant on the temperature of the outer environment. In cases of higher outer temperature
(above 15oc) feed pressure can considerably fall and it can disturb proper operation. Do not use the appliance
in such cases.

Regulation of combustion air

Primary air controller: CLOSED
Primary air controller
OPEN ....Ignition adjustment and max. heating output
OPEN ....Nominal heat output with lignite briquettes
CLOSED .... Nominal heat output with billet wood
CLOSED .... glow
Secondary air controller
OPEN ....Ignition adjustment and max. heating output
1/5 OPEN .. Nominal heat output with lignite briquettes
OPEN ....Nominal heat output with billet wood
CLOSED .... glow
● As the secondary air also contributes to the cleanli-
ness of the glass pane, the secondary air controller
must always be moved in the direction of the open
position while the stove is lit.
● When not operating all controllers should be closed,
to reduce the cooling down of the room.
OPEN
Secondary air controller: OPEN
As the performance of your stove is very much depend-
ent on the chimney draught, the primary air controller
has to be adjusted according to your own experience.
Please note that you should not use your stove if there
is not an adequate air supply (slide valve setting too
low), as this causes the emissions to increase.
CLOSED
PAGE 15
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CLOSED

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