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5481
8
GB
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.
ADJUSTMENTS NECESSARY TO THE BURNER
When the burner is going to be put in operation, the installer has to carried out the following settings.
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.
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.
All the installation, maintenance and disassembly operations must be carried out with the electricity supply
disconnected.
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.
Nozzle
type
N1 - 50°
Maximum
delivery
kg/h
Fuel pressure in the
delivery line
manometer (2) fig.3
bar
Fuel max. pressure in the re-
turn line
manometer (3) fig.3
bar
200
200
25
18
180
180
25
18
160
160
25
18
145
145
25
18
130
130
25
18
115
115
25
18
100
100
25
18
DANGER
WARNING