Minimum Gas Pressure Switch; Pvp Pressure Switch Kit - Riello 1146T1 Installation, Use And Maintenance Instructions

6.5.3

Minimum gas pressure switch

Adjust the minimum gas pressure switch (Fig. 33) after perform-
ing all the other burner adjustments with the pressure switch set
to the start of the scale.
With the burner operating at maximum output, increase adjust-
ment pressure by slowly turning the relative knob clockwise until
the burner stops.
Now turn the knob anticlockwise by 2 mbar and repeat burner
start-up to ensure it is uniform.
If the burner locks out again, turn the knob anticlockwise again by
1 mbar.
6.5.4

PVP pressure switch kit

Adjust the pressure switch for the leak detection control (PVP
kit)(Fig. 34) according to the instructions supplied with the kit.
20068184
Start-up, calibration and operation of the burner
36 GB
D3855
Fig. 33
Fig. 34
D3855