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DANGER / CAUTION
If the pipe is long, it may be necessary to bleed the air out
through the cap; if the pump is not fitted with a cap, remove
the pressure gauge connector cap.
• Connect the return flexible hose to the return pipe and open the
gates fitted on this pipe. Now the burner is ready for lighting up.
IGNITION AND ADJUSTMENT WITH LI-
QUID FUEL
Before starting up, make sure that:
•
The correct type of fuel has been selected.
•
Connections to the supply line, to thermostats or pressure swi-
tches, have been made according to the electrical diagram of
the equipment.
•
Check if there is fuel in the tank and water in the boiler.
• All the gate valves fitted on the fuel oil intake and return pipes
are open, as well as any other shut-off element on the fuel pi-
pes.
•
Make sure that discharge of combustion products takes place
freely (boiler and flue shutter open).
•
Check that combustion head penetrates the combustion cham-
ber by the measure requested by the manufacturer of the boiler.
Check that the air closure device on the combustion head is
in the right position to guarantee a correct combustion, the air
passage between disk and head must be slightly reduced if a
relatively small amount of fuel is supplied. When the fuel supply
is abundant the air passage must be increased, see chapter
"COMBUSTION HEAD ADJUSTMENT”.
• The nozzles fitted on the burner should match the boiler capaci
-
ty but, if necessary, replace them with others. In no case should
the quantity of fuel delivered exceed the maximum amount re-
quired by the boiler and the maximum amount allowed for the
burner.
To start the burner proceed as follows:
DANGER / CAUTION
Prevent operation of the second flame avoiding to connect
the 4-pin connector (2nd stage).
•
Adjust the quantity of air considered necessary for 1st stage
ignition through the relevant air/gas regulation servomotor cam.
•
Turn on the main switch and the one on the control panel.
•
The programmer is activated and it starts carrying out the pre-
defined program activating the burner devices.The equipment
will start operation as described in the Chapter “DESCRIPTION
OF OPERATION”.
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