Pump Pressure And Air Output; Flame Detector Adjustment - Riello Burners Gulliver BLU BG7D Manuel D'entretien

4.3 PUMP PRESSURE AND AIR OUTPUT

st
1 STAGE ADJUSTMENT
ADJUSTMENT OF AIR SHUTTER:
Unloosen the nut (1), turn the screw (2) until the indicator (3)
reaches the position desired. Then lock the nut (1), (see fig. 14).
PRESSURE REGULATION:
This is set at 9 bar at the factory.
Should it be necessary to re-set or alter such pressure, this can
be done, by adjusting screw (7).
The pressure gauge must be mounted in place of cap (8),
(see fig. 15).
2 nd
STAGE ADJUSTMENT
ADJUSTMENT OF AIR SHUTTER:
Unloosen the nut (4), turn the screw (5)
until the indicator (3) reaches the
position desired.
Then lock the nut (4), (see fig. 14).
PRESSURE REGULATION:
This is set at 15 bar at the factory.
Should it be necessary to re-set or alter
such pressure, this can be done, by
adjusting screw (9).
The pressure gauge must be mounted in
place of cap (8), (see fig. 15).
When burner shuts down the air damper
automatically closes till a max. chimney
depressure of 0,5 mbar.

4.4 FLAME DETECTOR ADJUSTMENT

(See fig. 16)
The sensitivity of the flame detector can be adjusted with a
potentiometer (3). It is factory-set t in position 4.
Led (1) indicates the sensitivity.
Led (2) indicates the operation.
During pre-ventilation both leds are switched off.
Optimal sensitivity during stable operation is shown when
both leds are switched on.
If led (1) pulsates, turn the potentiometer until it switches on
in a steady manner.
counterclockwise until the led pulsates.
Next, increase the sensitivity by turning the pointer clockwise
one or two notches.
Wait at least 5 minutes, then make sure that the
adjustment done as above allows a correct starting
program of the burner.
2322
Then, first turn the
8
Fig. 15
pointer
S7129
GB
Fig. 14
Fig. 16
S7064
3
2
1