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QB-180/300 Oil Burners Series 2 — Burner Manual
Burner settings
4. Reinstall gun assembly:
a. Insert gun assembly into burner – do not force
it. The gun assembly must be lifted and guided
into air cone at end of air tube.
b. Turn adjustment cam so that the larger end of
the slot drops over the captive screw.
c. Position gun assembly by rotating adjustment
cam (
) to correct setting. See
Figure 3
page 6, for correct adjustment cam setting.
Tighten captive screw to lock adjustment cam
in place.
d. Connect oil line to solenoid valve.
e. Connect ignition wires to ignitor.
f. Swing cover plate closed and push forward to
engage locking pins.
g. Tighten screw holding housing cover plate in
place.
5. Mount burner to boiler with gasket supplied.
6. Verify attenuating air band setting. See
page 6, and
.
Figure 4
Starting settings in
only. Final adjustments must be made
with combustion test equipment and
should provide zero smoke with
proper CO
. See
2
page 11.
Adjust the air band setting first. If
adjustments of the air band do not
result in clean combustion, then adjust
the cam setting. Increase the setting to
increase air. Decrease the setting to
reduce air. Cam adjustments should be
minor only.
Part number 644-500-065/0200
Figure 3
,
Table 1
Table 1
,
Figure 4
are for setup
Table 1
on
Final adjustments
Adjustment cam setting
QB-300
cam
Attenuating air band setting
Screw
indicates
setting
QB-180
cam shown
06503
06504
7
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