Mechanical A2L Refrigerant Ruling
2024 Supplement to the 8th Edition (2023) Florida Building Code (Supplement 5)
Approved by the Commission – December 10, 2024 - 8th Edition (2023) Florida Building Code – Mechanical
CHAPTER 11 REFRIGERATION
SECTION 1101 GENERAL
Revise section 1101.5 to read as follows:
Section 1101.6 General.
Refrigeration systems shall comply with the requirements of this code and, except as modified by this code, ASHRAE 15. Ammonia-refrigerating systems shall comply with this code and, except as modified by this code, ASHRAE 15 and IIAR 2.
Exception: Refrigeration systems that use A2L refrigerant shall be designed and installed in accordance with ASHRAE 15.
CHAPTER 15 REFERENCED STANDARDS
Revise as follows:
ASHRAE 15-20192022 Safety Standard for Refrigeration Systems including all addenda Published until July 31, 2024 ……………………….1101.6, 1105.8, 1108.1