Air Damper Adjustment - Riello Burners 40 G5 Manuel D'entretien

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  • FRANÇAIS, page 11
Combustion head settings indicated in the schedule are valid for most cases.
The setting of the fan output according to the installation should normally be done only through the air
damper. Should one subsequently want to retouch also the setting of the combustion head, with the
burner running, operate on the rod (1) with a 6 mm spanner (2) as follows:
Turn to the right: (sign
ume of air entering the combustion chamber and thus
diminishing its pressure.
There is a reduction of CO
flame to the air diffuser disc improves.
(Setting advisable for ignitions at low temperatures).
Turn to the left: (sign
ume of air entering the combustion chamber and thus
increasing its pressure. The CO
adhesion of the flame to the diffuser tends to reduce.
(This setting is not advisable for ignitions at low temper-
atures).
In any case do not bring the combustion head setting
more than one point away from that indicated in the
schedule. One set-point corresponds to 3 turns of the
rod; a hole (3) at its end facilitates counting the number
of turns.
4
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AIR DAMPER ADJUSTMENT :

The mobile air damper (A) operated by the jack (B)
assures the complete opening of the air intake.
The regulation of the air-rate is made by adjusting the
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fixed air damper (C), after loosing the screws (D).
When the optimal regulation is reached, screw tight
the screws (D) to assure a free movement of the mo-
bile air damper (A).
The settings indicated in the schedule refer to the
burner with its metal cover fitted and the combustion
chamber with "zero" depression.
These regulations are purely indicative.
Each installation however, has its own unpredictable
working conditions: actual nozzle output; positive or
negative pressure in the combustion-chamber, the
need of excess air, etc.
All these conditions may require a different air-
damper setting.
It is important to take account of the fact that the air output of the fan differs according to
whether the burner has its metal cover fitted or not.
Therefore we recommended to proceed as follows:
– adjust the air damper as indicated in the schedule (4, page 6);
– mount the cover, simply by means of the upper screw;
– check smoke number;
– should it become necessary to modify the air output, remove the cover by loosening the screw,
adjust the air damper, remount the cover and finally recheck the smoke number.
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+
), in order to increase the vol-
and the adhesion of the
2
– ), in order to reduce the vol-
improves and the
2
A
D
7
GB
2
3
1
6
D8068
D5555
B
C
D

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