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chamber during shipping and helps to maintain insertion depth. DO NOT remove
this retainer when installing burner. (Refer to Fig.3).
BURNER MOUNTING
PLATE GASKET
BURNER MOUNTING PLATE
NUT & WASHER
(4) PLACES
OVERFIRE DRAFT
ACCESS COVER
OVERFIRE DRAFT
ACCESS PORT
Fig. 3: Burner Mounting Plate for Counterflow and Horizontal Installations
When mounting the burner, (Fig 4) do not allow the burner tube or end cone to
physically touch or protrude into the chamber, as excess heat transfer could
result in destruction of the tube, end cone or both. The burner tube/end cone is
properly positioned, when the end is ¼ inch back from the inside surface of the
combustion chamber wall. A fiber insulating sleeve is provided with the Riello
BF3 Burner.
Fig. 4: Burner Insertion Illustration (Top view)
The oil burner provided with this furnace requires initial inspection, set-up, and
proper adjustment. Refer to this manual and the oil burner manufacturer's
operating instructions for detailed information on the following items.
Initial firing of burner
Adjusting the burner combustion air
Adjusting the fuel pump pressure
Setting the draft control
CHAMBER RETAINER
COUNTERFLOW
BURNER MOUNTING
PLATE GASKET
BURNER MOUNTING PLATE
NUT & WASHER
(4) PLACES
OVERFIRE DRAFT
ACCESS COVER
COMBUSTION CHAMBER
OVERFIRE DRAFT
ACCESS PORT
CHAMBER RETAINER
FRONT FLUE MODELS SHOWN
15
COMBUSTION CHAMBER
CHAMBER RETAINER
SHOWN WITH WARM AIR
OUTLET ON LEFT END
HORIZONTAL
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