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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
2903360
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