E
F
A - Bleed & pressure gauge port
B - Pressure adjustment
C - Vacuum gauge port
D - Retaining screws - cover
BURNER LOCKOUT
1
C
B
A
D
RIELLO
RDB OIL PUMP
E
BURNER LOCKOUT RESET BUTTON (E)
ALTERNATIVE BURNER LOCKOUT RESET BUTTON (E)
STARTING THE APPLIANCE
IMPORTANT: Never run the appliance when
the appliance/system is unpressurised or
empty.
1
4
Check the oil supply is correctly fitted and
in good working order before turning on
the oil supply valves to the boiler.
4
Turn on the main oil supply valve at the tank
and draw off at least 2
1
/
2
litres of oil until a
steady flow of clear uncontaminated oil can
be seen as follows:
•
The oil supply to the boiler should be
primed before the burner is operated to
avoid unnecessary pump wear.
•
The use of an oil suction pump will prime
and flush through any oil supply set up
simply and easily, alternatively the
following procedures can be used.
4
Single pipe gravity feed systems:
4
Disconnect the flexible oil hose and open
the isolating valve to discharge the oil into a
suitable container.
NOTE:
Replace flexible hose at annual
service to prevent possible oil leakage.
4
If a top entry tank has been used the
pipework will need to be primed before the
oil will discharge under gravity.
4
When completed, close the isolating valve,
reconnect the flexible oil hose.
4
Double pipe sub-gravity feed systems
and single pipe suction lift with de-aerator:
4
To prime a de-aerator, disconnect the
flexible oil inlet hose (G) from the isolation valve
and place in a container of kerosene (H).
Connect a spare flexible oil hose ( I ), to
discharge into container (H). Open the
isolating valve, turn on the power to the boiler
and set the programmer to ON. Prime the
de-aerator until there is a steady flow of oil into
container (H). Turn off the boiler then
reconnect the flexible oil inlet hose (G).
4
Turn on the boiler, the oil level in the
de-aerator will drop as the oil is used until
the oil is drawn from the tank. If the
de-aerator empties and the burner locks out
before the oil is drawn from the tank, prime
the de-aerator again.
When the oil reaches the pump, bleed
the air from the pump as followes:
4
Open the isolating valve and the oil pump
bleed port (A) to discharge into a suitable
container once the boiler is started up.
4
Switch on the electricity supply to the boiler.
4
Set the programmer to ON for CH and DHW.
4
Turn on the boiler CH control thermostat.
4
Allow the burner to run through to lockout
indicated by the illumination of the lockout
indicator (F).
If no oil comes out of the port valve A,
then re-prime the oil line as detailed
above.
4
Wait 2 minutes then press the lockout reset
button (E).
4
Repeat the procedure until a steady stream
of oil without air, runs from the bleed port,
then relock bleed port (A).
4
Switch off the boiler.
4
Remove the oil pump filter, clean with
kerosene and refit.
The internal filter is accessed by removing
the oil pump cover.
4
Safely dispose of the container/discharge.
G
I
H
Return
Flow
TANK
STARTING THE APPLIANCE
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE 12/18-18/25-25/32
6 720 802 432 issue A 04/2012
34
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