Cleaver-Brooks Packaged Boiler FLX-800

Set the 'MANUAL-AUTO' switch to the 'MANUAL' position

Position the manual flame control potentiometer in the 'CLOSED' (low-fire) position

Turn the fuel selector switch to the 'OIL' position

Turn the burner switch to the 'ON' position

Proceed with startup and adjustments for oil burners

After adjustment, place the burner switch to 'OFF' and position the fuel selector switch to 'GAS'

Proceed with startup and adjustments for gas burners without altering air settings set for oil

Correct the O2 levels by adjusting the butterfly valve

Inspect all controls, connecting piping, wiring, and fastenings

Measure carbon dioxide (CO2) levels

Measure carbon monoxide (CO) levels

Is the air-fuel ratio optimal based on flue gas analysis?

Verify factory settings of the firing rate control

Make visual inspection of the igniter

Make audible and visual check of the following

Check valve position indicators and fuel meters for

Close the gas pilot shutoff cock

Is the pilot ignition circuit energized at the end of the pre-purge period?

Is there an ignition spark but no flame?

Did the program relay signal the condition due to no flame detection?

Did the ignition circuit de-energize?

Record the current fan pressure

Manually adjust the fan pressure until the switch opens

High and Low Gas Pressure Interlocks

Record the current gas pressure

Refer to instructions for adjusting gas pressure interlocks

Manually adjust the gas pressure until the switch opens

Scanner and Diffuser Maintenance

Check the scanner and diffuser for soot buildup