[Code of Federal Regulations] [Title 46, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR61.30-20] [Page 295] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 61_PERIODIC TESTS AND INSPECTIONS--Table of Contents Subpart 61.30_Tests and Inspections of Fired Thermal Fluid Heaters Sec. 61.30-20 Automatic control and safety tests. Operational tests and checks of all safety and limit controls, combustion controls, programming controls, and safety relief valves must be conducted by the owner, chief engineer, or person in charge at the inspection for certification, periodic inspection, and when directed by the Officer in Charge, Marine Inspection, to determine that the control components and safety devices are functioning properly and are in satisfactory operating condition. These tests and checks must be conducted in the presence of a marine inspector and must include the following: proper prepurge, burner ignition sequence checks, operation of the combustion controls, limit controls, fluid flow controls, fluid level controls, high temperature control, proper postpurge control, and verification of the flame safeguard. [CGD 88-057, 55 FR 24237, June 15, 1990, as amended by USCG-1999-4976, 65 FR 6501, Feb. 9, 2000] Note: Sections 63.05-90 and 63.10-90 of this chapter may be referenced concerning operating tests.