Pump Pressure And Air Output; St Stage Adjustment (With Selector On Pos. 1); Nd Stage Adjustment (With Selector On Pos. 2) - Riello G3D 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 max. output of
light oil and air.
2
3
10
9
st
8.3.1 1 STAGE ADJUSTMENT (with selector on
Pos. 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
Pos. 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. 17
20028407