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Les langues disponibles
COMBUSTION HEAD ADJUSTMENT
Loosen the two screws (1), move the elbow (2) so that the rear part (3) coincides to the desired set-point (4). Tighten
the screws (1).
N.B.
Carried out the adjustment, it is advise to trace a reference point on the sleeve or plate (4); it can be useful in main-
tenance case.
ADJUSTMENT OF THE AIR DAMPER MOTOR
STOP - Blue lever
The blue lever leaves the factory vertically positioned and corre-
sponds to the complete closing of the air damper.
A partial opening of the air damper might be obtained by moving
leftwards this lever ( + on the label).
The new position of the air damper is detectable when the burner
is off. Do not overcome the postion of the orange lever for the 1st
stage.
FIRST STAGE - Orange lever
The orange lever controls the air damper position for the first
flame; it is adjustable both for opening and closing.
SECOND STAGE - Red and black lever
The red lever controls the air damper position for the second
flame; it is adjustable both for opening and closing.
The black lever controls the opening of the second oil valve and it must always, for a bit, the red lever, but never the
orange one.
set-point 4)
D1973
Black lever
Red lever
Orange lever
Blue lever
23
Opening
Closing
D1953
D1952
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