Burner Start-Up Cycle; Maintenance Position - Riello 40 Series Installation, Use And Maintenance Instructions

BURNER START-UP CYCLE

Normal
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
ATTENTION
Every 2000 working hours, verify the wear of the brushes and the motor manifold.

MAINTENANCE POSITION

Access to the combustion head, diffuser disc / elec-
trodes unit and nozzle, (see fig. 6).
Remove the burner out of the boiler, after loosing

the fixing nut to the flange.
Hook the burner to the flange 1), by removing the

combustion head 2) after loosing the fixing
screws 3).
Remove the diffuser disc-holder assembly 4)

from the nozzle-holder 5) after loosing its fixing
screw.
Screw the nozzle 6).

~
6s
Lock-out, due to light-failure
~
6s
2
3
4
6
5
D8057
9 GB
~
5s
D8056
D5229
1
Fig. 6
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