Riello RS 70/E MZ Manual de instrucciones descargar pdf (Pagina 22)

Start-up, calibration and operation of the burner

Maximum gas pressure switch

Adjust the maximum gas pressure switch after having per-

formed all other burner adjustments with the maximum gas

pressure switch set to the end of the scale (Fig. 30).

With the burner operating at maximum output, reduce adjust-

ment pressure by slowly turning the relative knob anticlockwise

until the burner locks out.

Turn the knob clockwise by 2 mbar and repeat the start-up of

the burner.

If the burner locks out again, turn the knob clockwise again by

1 mbar.

Minimum gas pressure switch

Adjust the minimum gas pressure switch after having per-

formed all other burner adjustments with the pressure switch

set to the start of the scale (Fig. 31).

With the burner operating at maximum output, increase adjust-

ment pressure by slowly turning the relative knob clockwise

until the burner locks out.

Then turn the knob anticlockwise by 2 mbar and repeat the

burner start-up to ensure it is regular.

If the burner locks out again, turn the knob anticlockwise again

by 1 mbar.

Fig. 30

D3856

Fig. 31

D3855

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Riello RS 70/E MZ Manual de instrucciones Pagina 22