1506.3.3.2 Flame Detection System

Automated powder coating application equipment shall be protected by an approved, supervised flame detection device capable of detecting the presence of flame within ¹/₂ second, that shall, upon activation, automatically initiate the following actions:

1. Shut down electrical power and compressed air supply to the powder coating operation, including the conveyor, ventilation, application, transfer and powder collection systems.
2. Close segregation dampers in associated ductwork to interrupt airflows from application equipment to powder collectors.
3. Activate a local alarm audible within the powder coating room or booth and surrounding area.