Grant EUROFLAME 50/70 User, Installation And Servicing Instructions page 26

Fit the burner
4.4
Kitchen/Utility models are supplied with the
burner fitted. To fit the burner to a Boiler House
model proceed as follows:-
1 Remove and retain the burner fixing nut from the stud
on the burner fixing flange on the front of the boiler,
see Fig. 19. Leave the small nut in position (ensure it
is located up against the mounting flange).
Note: Do not remove the fixing flange from the
boiler.
3
1 Pump
2 Control box
3 Reset button with lock-out lamp
4 Flange with gasket (do not remove from boiler)
4.5 Connect the power supply
Kitchen/Utility and Kitchen/Utility System models only
It is recommended that the boiler should be connected
to a switched mains power supply from an external
timer or control system.
1 Lift off the boiler case top panel if it has not
already been removed.
2 Remove the wiring cover. Fit the grommet supplied
into the hole in the rear panel. Route the supply
cable through the grommet into the control box,
pass it under the cable clamp and connect to the
terminal block (refer to Fig. 27) as follows:-
Brown to Mains Live (terminal 1)
Blue to Mains Neutral (terminal 2)
Green/Yellow to Mains Earth (terminal 3)
26
4 - BOILER INSTALLATION
5
4
Fig. 19 - Riello RDB burner components
Euroflame Oil Boilers
2 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.
3 Balanced flue - Remove the air intake cover from
the burner and fit the air tube spigot supplied. See
Fig. 21. Fit the air tube over the air tube spigot and
secure it in position using the clamp supplied.
1
5 Air damper adjustment screw
6 Air supply tube connection (balanced flue)
7 Pump pressure adjustment screw
8 Pressure gauge connection
Boiler House models only
It is recommended that the boiler should be connected
to a switched mains power supply from an external
timer or control system.
1 Position the thermostat phials of the combined
boiler/overheat thermostat in the thermostat pocket
on the front of the boiler. Push the assembly fully
home onto the pocket, with the cable entries to the
bottom and secure in position by tightening the two
fixing screws.
2 Undo the three screws securing the combined boiler/
overheat thermostat cover and lift off the cover.
6 2
7
8