Nozzle Placement; Insertion/Removal Of Drawer Assembly - Riello Burners BF3 Installation Manual

A) Determine the proper firing rate for the boiler
or furnace unit,
application and use the Burner Set-Up charts
on page 14 to select the proper nozzle and
pump pressure to obtain the required input
from the burner.
B) Remove the NOZZLE ADAPTER (2) from
the DRAWER ASSEMBLY by loosening the
SCREW (1).
C) Insert the proper NOZZLE into the NOZZLE
ADAPTER and tighten securely (DO NOT
over tighten).
D) Replace adapter, with nozzle installed, into
drawer assembly and secure with screw (1).

INSERTION/REMOVAL OF DRAWER ASSEMBLY

A) To remove drawer assembly, loosen SCREW (3), and then unplug CONTROL BOX (1) by
carefully pulling it back and then up.
B) Remove the AIR TUBE COVER PLATE (5) by loosening the retaining SCREW (4) (Two
SCREWS – Model BF5).
C) Loosen SCREW (2), and then slide the complete drawer assembly out of the combustion head as
shown.
D) To insert drawer assembly, reverse the procedure in items A to C above, and then attach fuel line to
the pump.

NOZZLE PLACEMENT

considering the specific
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