13
Adjusting the air flap
The air flap is opened or closed until the soot pattern
displays an oil-free colour, soot “0 - 1” and value 12-14
% for the CO
2
. When making the adjustment, keep in
mind that when there is a lot of excess air, the soot in-
creases again and oil can reappear in the soot pattern.
If, when the air flap is completely open, the flame emits
soot or does not burn evenly, the pressure behind the
swivel disc must be reduced with the adjustment screw.
Adjustment motor function
The adjustment motor has three set positions as well as
an activation contact for the “Magnetic valve level 2”.
Blue cam Level 1
Orange cam Level 2
Black cam magnetic valve Level 2
Opening scale
Opening indicator
Setting “Air quantity level 1”
(adjustment lever blue)
Unplug the 4-pin multi-purpose connection.
Thermostat level 2.
Turn the orange adjustment lever “Air quantity Level 2”
and the black adjustment lever “Magnetic valve 2”
clockwise until both activation cams are initially not
pressed down so that the setting the activation cam for
the “Air quantity 1” is not blocked.
Less air Level 1:
Set the blue adjustment lever counter-clockwise to
the smaller opening angle. When the burner is run-
ning, the adjustment motor automatically adjusts.
More air Level 1:
Set the blue adjustment lever clockwise to the larger
opening angle. When the burner is running, the ad-
justment motor automatically adjusts.
Activation point “Magnetic valve 2”
(adjustment lever black)
The adjustment lever for “Magnetic valve 2” is now ro-
tated back counter-clockwise and the activation point
“Air quantity 2” is placed briefly behind the “Air quantity
1” activation point. This activation point works between
the positions “Air quantity Level 1” and “Air quantity
Level 2”.
Important information
Please make sure that the activation cam from “Magnetic
valve 2” is not pressed before activation cam “Air quan-
tity level 1” because otherwise the “Magnetic valve 2” in
the “Air quantity 1” area opens and the burner would
run with an insufficient quantity of air.
Setting “Air quantity level 2”
(adjustment lever orange)
Turn back the adjustment lever for the “Air quantity level
2” counter-clockwise. Determine the activation point for
the “Air quantity level 2” based on the burner capacity
behind the activation point “Magnetic valve 2”. Plug in
the 4-pin multi-purpose connection of thermostat level 2
again.
Less air Level 2:
Set the orange adjustment lever counter-clockwise
to the smaller opening angle. Switch to the burner
briefly back to Level 1.
After the unit is switched back to Level 2, the adjust-
ment motor’s speed adjusts to the changed quantity
of air.
More air Level 2:
Set the orange adjustment lever clockwise to the
larger opening angle. When operating at Level 2, the
speed of the adjustment motor adjusts automatically.
*
Make sure that there are no mechanical defects on
the adjustment motor or the air flap otherwise the
adjustment motor will be damaged.
Air flap closed
If the burner is not in operation,
the adjustment motor is set to air
flap closed (scale: 0).
This position (rear cam without
adjustment lever) is set at the fac-
tory and may not be changed.
Air quantity “Level 1”
For pre-ventilation, starting and
operation at a “lower” perform-
ance, the adjustment motor ro-
tates to the activation point of the
blue adjustment lever.
This results in a fixed opening an-
gle for the air flap and a constant
quantity of air for the first level.
This adjustment lever can be
used to regulate air quantity
“Level 1” for different air quanti-
ties ; standard value: approx. 30°.
Activation point “Magnetic valve 2“
The black adjustment lever
“Magnetic valve 2” should be
placed a third of the way between
the blue and orange levers.
Air quantity “Level 2”
If the burner is released for the
second level, the adjustment mo-
tor rotates to the activation point
of the orange lever.
While rotating, the black lever
releases the oil quantity for the
second level; standard value:
approx. 50°.
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Air flap closed
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Activation point “Magnetic valve 2
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