13
Figure 3-6:
Riello RDB burner components
Main Burner Components
It may be necessary to remove the
burner from Kitchen/Utility boilers to
access connections in the fuel pump.
On System models, carefully lift up and
remove the expansion vessel from the
front of the boiler. Place the vessel on
the floor taking care not to strain the
flexible hose.
Disconnect the flexible air tube from the
burner.
Remove the single nut at the top of the
burner (using a 13 mm spanner) and
withdraw the burner from the boiler.
7
8
1
2
3
5
4
6
Kitchen/Utility models are supplied
with the burner fitted. Fit the burner to
a Boiler House model as follows:
Remove and retain the fixing nut from
the stud on the burner flange on the front
of the boiler, see Figure 3-6. Leave the
small nut in position (ensure it is located
up against the mounting flange).
do not remove the mounting flange
from the boiler.
Check that the 'O' ring is in position
(around the collar of the burner
combustion head). Position the burner
on the boiler by sliding the combustion
head into the mounting flange on the
boiler. With the burner level and correctly
located over the fixing stud, secure
it in position using the nut previously
removed.
Balanced flue -
Fit the air tube over the
air tube spigot and secure in position
using the clamp supplied.
Oil Storage & Supply
System
description
Oil pump
Control box
Reset button with lock-out lamp
Flange with gasket (do not remove from boiler)
Air damper adjustment screw
Air supply tube connection (balanced flue)
Pump pressure adjustment screw
Pressure gauge connection
Item
1
2
3
4
5
6
7
8
Burner Connection
If a two pipe system is to be used refer
to Section 3.2.
Remove and discard the blanking plug
from the inlet (suction) port of the pump.
Refer to Figure 3-5.
Connect the elbow of the flexible fuel
pipe supplied with the boiler to the inlet
port.
Connect the other end of the flexible
fuel pipe to the rigid supply line using
the adaptor supplied. For Kitchen/Utility
models the supply enters through one of
the holes in the casing plinth.
