The building official is directed to periodically inspect, or cause to be inspected, all parts of mechanical refrigeration systems employing any refrigerant that is expanded, vaporized, liquefied, or compressed in its refrigeration cycle.
Exception: This section does not apply to any system containing less than four pounds (1.81 kg) of refrigerant.
(Amend Coun. J. 2-19-20, p. 14473, Art. I, § 19)