Pump Purge; Single Line (Gravity Feed System); Two Line (Lift System) - Riello F10 Installation, Use And Maintenance Instructions

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 re-
moved freely.
5) Holding the air tube cover in its proper location start the burner.
6) When the solenoid valve is engaged, approximately 10 seconds af-
ter 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 hazardous
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.
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.
WARNING!
WHEN THE BYPASS PLUG IS INSTALLED, A TWO PIPE SYSTEM MUST BE USED OR FAILURE OF THE
PUMP SHAFT SEAL WILL OCCUR.
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B
10
GB
C
A
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