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