Riello RDB2.2 15-21 - Maintenance; Maintenance Safety and Frequency; Component Checks and Cleaning; Hoses, Fuel Tank, and Boiler Maintenance

2903104
22
GB
Start-up, calibration and operation of the burner
8.6 Electrodes setting
Before removing or assembling the nozzle, loosen the screw (A,
Fig. 19) and move the electrodes ahead.
8.7 Burner start-up cycle
Lock out is indicated by a lamp on the control box (3, Fig. 1 on
page 9)
WARNING
The position of the electrodes cannot be regulat-
ed. In case of failure, check that the measure-
ments as shown on the figure are respected.
4 ± 0.3 mm
D5230
A
2 - 2.5 mm
Fig. 19
~ 12s
D5229
~ 12s
~ 5s
Lock-out due to failure to lightNormal
Fig. 20
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp