Pump Pressure And Air Output; Pressure Regulation; Burner Start-Up Cycle - Riello RG5DF Instrucciones De Instalación, Montaje Y Funcionamiento

4.5

PUMP PRESSURE AND AIR OUTPUT,

1 st STAGE ADJUSTMENT
ADJUSTMENT OF AIR SHUTTER , (see fig. 15)
Loosen the nut (1), turn the screw (2).
Turn the indicator (3) to the required position.
Tighten the nut (1).
2 nd STAGE ADJUSTMENT
ADJUSTMENT OF AIR SHUTTER, (see fig. 15)
Loosen the nut (4), turn the screw (5) until the
indicator (6) is in the required position.
Tighten the nut (4).

PRESSURE REGULATION

This is set at 12 bar at the factory.
If required, reset the pressure or if it
n e e d s c h a n g i n g , j u s t t u r n t h e
screw (8).
The pressure control pressure gauge
should be mounted in place of the
plug (7), (as in fig. 16).

4.6 BURNER START-UP CYCLE

1 st stage thermostat
2 nd stage thermostat
Motor
Ignition transformer
1 st stage valve
1 st stage flame
2 nd stage valve
2 nd stage flame
Lock-out lamp
B
Lock out is indicated by a lamp on the control box (4, fig. 1, page 1).
2902
8
7
Normal
~
12s 3 – 28s
(see fig. 15 and 16)
Fig. 16
D5407
Lock-out due to failure to light
~
12s
10 GB
Fig. 15
3
S7119
5s
5
6
4
2
1
B
D6040