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NFPA 86 Training Requirements

NFPA 86 Training Requirements NFPA 86 (2019 Edition) – Standard for Ovens and Furnaces

7.2.1*Personnel who operate, maintain, or supervise the furnace shall be thoroughly instructed and trained in their respective job functions under the direction of a qualified person(s). 

7.2.2   Personnel who operate, maintain, or supervise the furnace shall be required to demonstrate an understanding of the equipment, its operation, and practice of safe operating procedures in their respective job functions. 

7.2.3   Personnel who operate, maintain, or supervise the furnace shall receive regularly scheduled refresher training and shall demonstrate understanding of the equipment, its operation, and practice of safe operating procedures in their respective job functions. 

7.2.4   The training shall cover startup, shutdown, and lockout procedures in detail. 

7.2.5  The training program shall be kept current with changes in equipment and operating procedures, and training materials shall be available for reference.

7.4.4   All safety interlocks shall be tested for function at least annually.

7.4.5*  The set point of temperature, pressure, or flow devices used as safety interlocks shall be verified at least annually.

7.4.6   Safety device testing shall be documented at least annually.

7.4.9*  Valve seat leakage testing of safety shutoff valves and valve proving systems shall be performed in accordance with the manufacturer’s instructions.  Testing frequency shall be at least annually.

7.4.12*  Lubricated manual shutoff valves shall be lubricated and subsequently leak tested for valve closure at least annually.

7.4.18   An inspection shall be completed at least annually to verify that all designed safety interlocks are present and have not been bypassed or rendered ineffective.

Interlocks and Safety Devices to Be Tested:

The table below is a list of the common interlocks that are referenced throughout NFPA 86 which would fall under the annual testing requirement for a single zone oven or furnace with a single burner.

Table A: Common Standard Interlocks to Test

Gas Train – Burner
1. Low Gas Pressure
2. High Gas Pressure
3. Pilot Low Gas Pressure
4. Pilot High Gas Pressure
5. Tightness Tests
6. Main Gas Shutoff Valve
7. Safety Shutoff Valve
8. Vent Valve
9. Blocking Valve
10. Downstream Manual Valve
11. Pilot Manual Gas Shutoff Valve
12. Pilot Safety Shutoff Valve
13. Pilot Vent Valve
14. Pilot Blocking Valve
15. SSOV Slow Closure
16. BV Slow Closure
17. Proof of Closure–SSOV
18. Proof of Closure – BV
19. 1400° Bypass Interlock
20. Flame Sensing

Motor Starter Contact Relays
21. Ventilating Fan Interlock
22. Combustion Air Fan
23. Exhaust Fan
24. Recirculation Fan

Burner Management Logic
25. Purge Time
26. Pilot Trail for Ignition
27. Main Trail for Ignition
28. Pilot Spark Pick-up
29. Door Switches (Purge/Light-off)
30. Post-Purge Time
31. Burner Stop
32. Emergency Stop

Oven Interlocks
33. Purge Air Proving
34. Minimum Combustion Air
35. Low Fire Proving
36. High Fire Proving
37. Operating Steam Pressure
38. Excess Steam Pressure
39. Instrument Air
40. Low Furnace Pressure
41. High Furnace Pressure
42. Cooling Water Interlock

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