Recent Blog Posts

Permissible Locations of Ammonia Refrigeration Equipment

May 12th, 2020

ANSI/IIAR 2-2014 Addendum A Chapter 4 Location of Ammonia Refrigeration Machinery, prescribes the acceptable locations for installing ammonia refrigeration equipment. In general, it is expected that equipment will be installed inside a machinery room, but four alternatives are permitted. Exception 1 – Listed Equipment 4.2.1 allows listed equipment containing not more than 6.6 lbs of ammonia […]

Ammonia Refrigeration Machinery Room Classification

July 12th, 2016

I was recently asked to consult regarding the several Fire and Building Code issues related to Occupancy Classification for an ammonia refrigeration machinery room. Local authorities were under the impression that the machinery room should be classified as a High-Hazard Group H location, but upon further research into the building and mechanical codes, here is […]