Riello Gulliver BG7D Installation, Use And Maintenance Instructions page 73

4.3 AIR DAMPER AND PUMP PRESSURE SETTING
1 st STAGE ADJUSTMENT
ADJUSTMENT OF AIR DAMPER, (fig. 13)
Unloosen the nut (1), turn the screw (2) until the indicator (3) reaches
the position desired.
Then lock the nut (1).
ADJUSTMENT OF PUMP PRESSURE, (fig. 14)
The pump comes with a factory setting of 8.5 bar for burners with code
3739115 and code 3739154.
The pump comes with a factory setting of 9 bar for burners with code
3739215, code 3739254 and code 3739258.
Where necessary, reset pressure by turning screw (7).
The pressure gauge must be mounted in place of cap (8).
2 nd STAGE ADJUSTMENT
ADJUSTMENT OF AIR DAMPER, (fig. 13)
Unloosen the nut (4), turn the screw (5)
until the indicator (3) reaches the position desi-
red.
Then lock the nut (4).
When burner shuts down the air damper
automatically closes till a max. chimney depres-
sure of 0.5 mbar.
ADJUSTMENT OF PUMP PRESSURE, (fig. 14)
The pump comes with a factory setting of 14,5
bar for burners with code 3739115 and code
3739154.
The pump comes with a factory setting of 14 bar
for burners with code 3739215, code 3739254
and code 3739258.
Where necessary, reset pressure by turning
screw (9).
The pressure gauge must be mounted in place
of cap (8).
3066
Fig. 14
7
9
8
10 GB
Fig. 13
3
S7915
5
6
4
2
1