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NFPA 85 Annex C, use of Manual System

NFPA 85 Annex C, use of Manual System

NFPA 85 Annex C, use of Manual System

(OP)
NFPA 85, the Boiler and Combustion Systems Hazards Code, includes an Annex C which discribes fundamental principles of a manual system for multiple burner boilers.  Has anyone had circumstance use the manual system were it was not possible to comply with the code?

Per Annex C:  "The manual system is not recommended; however, it is recognized that, in some boiler applications and unusual process requirements, there could be a greater safety hazard from boiler tripping."

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