Pump Pressure And Air Output; St Stage Adjustment (With Selector On Position 1); Nd Stage Adjustment (With Selector On Position 2) - Riello 40 G3RD MC Installation, Use And Maintenance Instructions

8.3

Pump pressure and air output

The burner is provided with an hydraulic device controlled by the
economizer which reduces to approx. 70% the maximum output
of light oil and air.
2
3
10
9
st
8.3.1 1 stage adjustment (with selector on
Position 1)
Adjustment of air shutter:
Unloosen the nut (9) turn the screw (10) until the air shutter (1)
reaches the position desired.
Then lock the nut (9).
Pressure regulation:
this is set at 10 bar at the factory.
Should such pressure be reset or changed, just turn the screw
(4).
The pressure gauge must be mounted in place of cap (5).
nd
8.3.2 2 stage adjustment (with selector on
Position 2)
Adjustment of air shutter:
Unloosen the nut (2) turn the screw (3) until the air shutter (1)
reaches the position desired.
Then lock the nut (2).
Start-up, calibration and operation of the burner
1
20047236
4 5
19 GB
Fig. 18
20163551