Page 11
BCS6000C-9
F. PANEL OPERATION
1. Open all manual shutoff valves to supply air and fuel to the pilot and burner systems.
2. Move the panel POWER switch to ON and verify that the FUEL SELECTOR switch is in the
desired position.
a. The temperature instruments, touchscreen display, flame relay and PLC will perform
their self-test procedures.
b. The burner control motors will drive to their low fire position.
c. The RESET indicator will come on.
d. A ‘BURNER STOPPED...’ message will be displayed.
3. Start the exhaust fan, combustion air blower, and all other equipment required for plant
operation. After the exhaust fan limits have closed, the HELD CLOSED indicator of the draft
control will disappear and the exhaust damper will be released to control dryer draft.
4. Select MATERIAL or STACK control and verify the setpoints of both.
5. If all system limits are closed, ‘PRESS RESET TO START PURGE’ will appear in the message
box.
6. Momentarily press the RESET button to initiate the system purge sequence.
a. (For EcoStar and MegaStar burners only) An ‘OPENING AIR VALVE’ message will
appear as the burner air control motor drives open.
b. After the air control motor has opened more than 50%, purge timer 1TR will be
energized and begin timing and a ‘PURGING’. message will appear.
7. After the purge delay has been completed, 1TR timer will actuate and a ‘ LOW FIRE DRIVE’
message will appear as the air control motor drives closed to prepare for pilot ignition.
8. When all motors have reached their low fire start positions and the burner low fire limit
switches have closed, the START pushbutton will flash and a ‘READY TO START’ message will
be displayed.
9. Momentarily press the START pushbutton to begin the burner ignition sequence.
a. The flame relay will be energized and a 10 second pilot trial for ignition time will
begin.
b. The ignition transformer and pilot solenoid valves will be energized and an ‘IGNITING
PILOT’ message will appear.
10. If a satisfactory pilot flame is detected by the UV scanner:
a. The START pushbutton will stop flashing and remain on and a ‘PILOT ON’ message
will be displayed.
b. Flame signal strength (0-5Vdc) will be displayed on the flame meter. Minimum
acceptable signal is 0.5Vdc.
c. Power will be supplied to the main fuel valves.
11. Three seconds after the pilot flame has been detected:
a. The ignition transformer will be de-energized.
b. A ‘MAIN FUEL VALVES ENERGIZED’ message will appear.
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