Grain Systems PNEG-824 - Manual (Page 3)

3
Series 2000 Downwind Heater
_____ 1. Check all wire connections
_____ 2. Spark plug and flame sensor tightness set plug gap to 1/8"
_____ 3. Check plug in terminal strips on back of circuit board to be sure they are plugged into
proper position.
_____ 4. Software settings correct for type of heater (hi-low, on-off)
_____ 5. Dip switch settings correct for heater model (slave, master)
_____ 6. Most current software version installed
_____ 7. Turn heater toggle switch on. Most current software version should be displayed first, fol-
lowed by temperature. Screen should read "NO AIRFLOW".
_____ 8. Turn fan on. Screen should read "AIRFLOW".
_____ 9. Program hi-limit set point to 140 degrees F.
_____ 10. Program cycle set point to 120 degrees F (only on hi-lo units).
_____ 11. Program differential to 10 degrees F/
_____ 12. Turn gas on to heater unit.
_____ 13. Press start switch on heater. Screen should flash "PURGE".
_____ 14. After 10 second purge heater should light screen, and should read "HI-FLAME".
"FLAME" should appear on lower right hand corner of screen.
_____ 15. Adjust pressure to 10 psi (lp units) 5 psi (ng units).
_____ 16. Check pipe train for leaks with soapy water.
_____ 17. Temperature should rise to 120 degrees. Screen should read "LO-FLAME" and unit
should cycle to lo-flame. (hi-lo units only)
_____ 18. Adjust pressure with ball valve to 2 psi (lp units) 1 psi (ng units). (hi-lo units only)
_____ 19. On standard units temperature will rise to 140 degrees. Screen will read "OFF-CYCLE".
Heater will shut off at this point.
_____ 20. Temperature will drop 10 degrees and unit will cycle back to hi-flame. Screen should read
"HI-FLAME".
_____ 21. Observe unit go through 3 cycles.
_____ 22. Pull wire off of housing hi-limit switch. Screen should read "ERROR 000" and "HOUSING
TEMP HI-LIMIT". Heater should shut down and lock out. Fan should shut off.
_____ 23. Turn heater toggle switch on. Most current software version should be displayed first,
followed by temperature. Screen should read "NO AIRFLOW".
_____ 24. Turn fan on. Screen should read "AIRFLOW".
_____ 25. Press start switch on heater. Screen should flash "PURGE".
_____ 26. After 10 second purge heater should light. Screen should read "HI-FLAME". "FLAME"
should appear on lower right hand corner of screen.
_____ 27. Shut gas off to heater and allow gas to burn out of system.
_____ 28. 2-4 seconds after flame goes out on heater, "FLAME" in lower right hand corner of screen
should go out. Unit should begin to spark.
_____ 29. After 10 seconds fan and heater should shut down and lock out. Screen should read
"ERROR 000" and "FLAME OUT".
_____ 30. Check heater visually to see that all decals are in place and correctly located.
_____ 31. Place owners manual in control box.
Tester Signature___________________________________________
Date____________________________________
CHECKLIST