750-91 (revised 2009)
Model CB-LE Packaged Boiler Manual
5-13
5.9 — Startup, Operating and Shutdown: All Fuels
FIGURE 5-8. Flange Collar and Damper Settings (Top View)
5.9 — Startup, Operating and Shutdown: All Fuels
Depending upon the fuel being burned, the applicable previous sections in this chapter should be reviewed for pre-
liminary instructions.
1. When firing with oil, be certain that the burner gun is in its most forward position and latched in place. When
firing with gas, the burner gun should be properly withdrawn and latched in place. The fuel selector switch
should be, accordingly, set to either oil or gas.
2. Set the manual-automatic switch to “manual” and turn the manual flame control to “close.”
3. Turn the burner switch to “ON.” The load demand light should glow. The low-water level light should remain
out, indicating a safe water level in the boiler. The programmer is now sequencing. See Chapter 4 for sequence
details.
NOTE: On an initial starting attempt, several efforts might be required to accomplish “bleeding” of fuel lines, main,
or pilot. If ignition does not then occur, do not repeat unsuccessful attempts without rechecking the burner and pilot
adjustment.
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