Refrigerant piping design and installation for systems containing a refrigerant other than ammonia shall comply with requirements of this article and ASHRAE 15. Ammonia refrigeration systems shall comply with this chapter and IIAR 2, IIAR 3, IIAR 4 and IIAR 5.
(Amend Coun. J. 9-14-21, p. 35949, Art. XI, § 2)