Adjusting Plate Assembly; Initial Head Position; Prepare The Fuel Unit For Air Venting; Set Appliance Limit Controls - Beckett CF 2300A Instruction Manual

Instruction Manual – Model CF2300A Oil Burner
Prepare the burner for start-up
Z dimension
• Should be set per these instructions (see page 7). The top
acorn nut ( , item
Figure 11
once the Z dimension is initially set.

Adjusting plate assembly

• Make sure spline nut (item
c ) are loose.

Initial head position

• The indicator plate assembly (item
to head position settings.
• Slide the secondary adjusting plate (item
of the burner until the number on the indicator plate corre-
sponds to the initial head setting given in
desired firing rate (high-fire).
• shows a typical example, with a head setting of
Figure 11
.
5
• When the head position has been set, tighten the bottom
acorn nut (item c ) and the spline nut (item
Initial air settings
• Loosen the screw holding the air adjusting plate (item
Set the air to the desired low-fire rate. (The numbers on this
plate correspond to the approximate firing rate settings
given in Table 5 .)
• Rotate the air adjusting plate until the lower edge of the
pointer is opposite the number from
to the desired low-fire rate.
• This initial setting should be adequate for starting the
burner at low fire. Once the burner is in operation, the air
setting will be adjusted for best performance as discussed
later in this manual.
• The damper moves to high-fire position as the damper rod
(item ) rotates the damper linkage arm (item
d
adjust the setting of the damper linkage arm when setting
the high-fire air as discussed on page 14 in
.
burner
• Follow the procedures given later in this manual for fine
tuning the air settings.

Set appliance limit controls

• Set the appliance limit controls in accordance with the
appliance manufacturer's recommendations.
• Move the low-fire hold switch (not shown) to the "
position. This will hold the burner in low fire during initial
start-up.
12
) should never be loosened
d
(Figure 11)
b ) and bottom acorn nut (item
(Figure 11)
e ) markings correspond
) toward the rear
f
Table 4 for the
b ).
(Figure 12)
m
Table 5 corresponding
). You will
f
Start the
IN
Figure 11 – Adjusting plate initial setting, typical
d e f
9 8 7 6 5
Legend
b Spline nut for securing nozzle line
c Bottom acorn nut (for head adjust-
ments
d Top acorn nut (for setting dim. Z only
— do not loosen after setting Z)
e Indicator adjusting plate

Prepare the fuel unit for air venting

• To vent air from one-pipe oil systems, attach a clear hose to
the vent plug on the fuel unit. Provide a container to catch
the oil. Loosen the vent plug.
• Vent the air as described under
).
Table 4 – Initial indicator adjustment plate
settings (head position)
Approximate
head settings
0
1
2
3
4
5
6
7
8
"
9
- continued
h b c
f Secondary adjusting
plate
g Primary adjusting
plate
h Copper oil line from
oil valve to nozzle line
Start the burner
Firing rate, gph
Tube "KG" Tube "KS"
11.00 12.50
12.00 13.00
13.00 14.00
14.00 15.00
15.00 16.00
16.00 17.00
17.00 18.00
18.00 18.50
19.00 19.00
20.00 20.00
Form 6104 BCF-23-R0399
g
2307
, page 14.