23
INITIAL BURNER START UP PROCEDURE
READ THE APPLICATICABLE SEQUENCE OF BURNER/PRIMARY GAS
CONTROL OPERATION IN SECTION V SERVICE AND TROUBLESHOOTING BEFORE
PROCEEDING.
1. Depress the combination gas valve manual control knob and turn to “OFF” position. (For location of
the manual control knob, refer to Figure 17). Remove the 1/8” NPT pressure tap plug from the gas
valve and install a hose barb fitting. Connect a manometer to the hose barb fitting.
2. Adjust the primary air and off-cycle damper to the start-up settings shown in Figure18.
Figure 18: Air Settings for Initial Start Up
Figure 19: Primary Air and Off Cycle Damper Locations
Off Cycle Damper Location
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