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B - PUMP
Set by the factory at 25 bar.
C - MOTOR OVER LOAD RELAY
Set by the factory for the three-phase electric supply 400V. Should the electric supply be three-phase 230V the set-
ting has to be modified as indicated at page 6.
When the burner is going to be put in operation, the installer has to carried out the following settings.
All the installation, maintenance and disassembly operations must be carried out with the electricity supply
disconnected.
DANGER
The installation of the burner must be carried out by qualified personnel, as indicated in this manual and in
compliance with the standards and regulations of the laws in force.
WARNING
A - Maximum fuel delivery
B - Pressure controller
C - Combustion head
D - Air damper
A - ADJUSTMENT OF THE MAXIMUM FUEL DELIVERY
This adjustment is carried out by choosing the proper nozzle from the table here below.
Nozzle
type
N1 - 50°
200
180
160
145
130
115
100
If you desire a max. output intermediate between two values indicated in the table, it is useful to choose the nozzle
with higher delivery.
The output decrease could be obtained later, by acting on the pressure controller, see item B.
5481
ADJUSTMENTS NECESSARY TO THE BURNER
Maximum
delivery
kg/h
200
180
160
145
130
115
100
Fuel pressure in the
delivery line
manometer (2) fig.3
bar
25
25
25
25
25
25
25
8
GB
Fuel max. pressure in the re-
turn line
manometer (3) fig.3
bar
18
18
18
18
18
18
18
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