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Start-up, calibration and operation of the burner
6.10.5 Intermediate outputs
Adjustment of gas delivery
After adjusting the maximum and minimum output of the burner,
carry out air adjustment on higher intermediate positions of the
servomotor. The passage from one position to the next one is ob-
tained by pressing the button 2) on the symbol (+) or (-) (Fig. 30
on page 30). Lightly push the button 2)(Fig. 30 on page 30) “In-
creasing the output” so that the servomotor turns by about 20°.
Screw or unscrew the screw 2) of the mechanical cam (Fig. 32 on
page 32) to increase or decrease the gas output so as to adjust
it to the corresponding air output, to obtain optimal combustion.
Proceed in the same way with the other screws.
Switch off the burner using the switch 1)(Fig. 30), OFF position,
release the mechanical cam I) and II)(Fig. 32)(Fig. 34) to sepa-
rate the gears of the servomotor, pressing and shifting down-
wards the button 3)(Fig. 35 D) and by manually turning several
times the mechanical cam I)(Fig. 32) backwards and forwards
check that the movement is smooth and without any hindrance.
As far as is possible, try not to move those screws at the ends of
the mechanical cam that were previously adjusted for the open-
ing of the gas butterfly valve to MAX and MIN output.
WARNING
Take care that the cam profile variation is progres-
sive.
WARNING
We recommend binding the mechanical cams I)
and II) again (Fig. 32)(Fig. 34) to the servomotor
by shifting upwards the button 3)(Fig. 35 C).
Содержание RLS 310/M MX
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