3055
20
Start-up, calibration and operation of the burner
8.4 Pump pressure
The pump leaves the factory set for kerosene working.
10 bar: maximum pressure for kerosene.
8.5 Air damper adjustment
The air damper is set in factory. This regulation is purely indica-
tive.
Each installation however, has its own unpredictable working
conditions: actual nozzle output; positive or negative pressure in
the combustion-chamber, the need of excess air, etc.
All these conditions may require a different air damper setting.
8.6 Electrodes setting
Before removing or assembling the nozzle, loosen the screw (A,
Fig. 20) 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 to
page 8)
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. 20
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
~
12s
D5229
~
12s
~
5s
Lock-out due to failure to lightNormal
Fig. 21
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