Riello F10 Instructions Pour Installation, Utilisation Et Entretien page 14

PUMP PURGE
NOTE: to protect the pump gears, it is advisable to lubricate the pump prior to purging a lift system. Apply oil through the
VACUUM PORT (C).
A) SINGLE LINE (GRAVITY FEED SYSTEM)
A) Loosen the bleeder valve (A) until oil flows out. Tighten the bleeder valve securely and start burner.
B) When bleeding the pump by pressure.
1) Loosen the bleeder valve (A).
2) Disconnect nozzle oil supply line at the pump nozzle port (B).
3) Attach a flexible plastic tube to the pump nozzle port, directing
the oil flow into a bucket.
4) Loosen the screws securing the air tube cover, allowing it to be
removed freely.
5) Holding the air tube cover in its proper location start the burner.
6) When the solenoid valve is engaged, approximately 10 seconds
after starting, remove the air tube cover and shine a light source
on the flame sensor, allowing it to see false light.
7) Run the burner until the fuel pump has been purged of air, then
tighten the bleeder valve and immediately shut down the
burner.
8) Reinstall the air tube cover and nozzle line.
9) The burner can now be started normally.
WARNING: Omitting steps 2 and 3 will result in a collection of un-
burned oil in the combustion chamber creating a hazardous situa-
tion upon burner startup.
B) TWO LINE (LIFT SYSTEM)
Turn off the main power source to the burner and remove the air
tube cover. Shine a light source on the flame sensor (now visible
where the air tube cover was removed), return power to the burner
and activate the burner. When the pump is sufficiently purged, the
hydraulic air shutter will open. With the light source in place, the
burner will operate in prepurge only. Once the burner is purged, turn off the power source and replace the air tube cover.
Return power to the burner. The burner is now ready to operate.
ATTENTION: It is important that the fuel line be completely sealed and free from air leaks or any internal blockages.
IMPORTANT! WHEN THE BY-PASS PLUG IS INSTALLED, A TWO PIPE SYSTEM MUST BE USED OR FAILURE
OF THE PUMP SHAFT SEAL WILL OCCUR.
HYDRAULIC JACK OPERATION
It is strongly recommended a periodic check of the pump pressure operation (annually or better every six
months, if the burner operation is continuous).
If the value is lower than 1 bar, compared to that one of the initial setting, please check the cleaning of the
DANGER
pump and line filters.
In case the pressure setting was not restorable, please replace the pump, in order to guarantee that the
pump pressure during the pre-purge time is at least 3.7 bar.
2902451
B
D6177
10
GB
C
A