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Riello F15 Instructions Pour Installation, Utilisation Et Entretien page 13

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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 unburned oil in the combustion chamber creating a haz-
ardous situation 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. With the light
source in place, the burner will operate in prepurge only. When the pump is sufficiently purged, hte hydraulic air shutter
will open. 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.
2902452
All manuals and user guides at all-guides.com
9
B
GB
C
A
D6185

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