A third (3rd) public review of draft standard BSR/IIAR 5-201x, Startup of Closed-Circuit Ammonia Refrigeration Systems is now
open. The International Institute of Ammonia Refrigeration (IIAR) invites
you to make comments on the draft standard. Substantive changes resulting
from this public review will also be provided for comment in a future
public review if necessary.
BSR/IIAR 5-201x, defines the minimum requirements for startup of
closed-circuit ammonia refrigeration systems. It presupposes that the
persons who use the document have a working knowledge of the functionality
of an ammonia refrigeration system(s) and basic ammonia refrigeration
practices and principles. This standard is intended for those who startup
closed-circuit ammonia refrigeration systems. This standard shall apply
only to stationary closed-circuit refrigeration systems utilizing ammonia
as the refrigerant. It supplements existing general refrigeration standards
issued by IIAR and other organizations such as ASHRAE, ASME, and ANSI. It
is not intended to supplant existing safety codes (e.g., model mechanical
or fire codes).
IIAR has designated the draft standard as BSR/IIAR 5-201x. Upon approval by
the ANSI Board of Standards Review, the standard will receive a different
name that reflects this approval date.
We invite you to participate in the third (3rd) public review of BSR/IIAR
5-201x. IIAR will use the American National Standards Institute (ANSI)
procedures to develop evidence of consensus among affected parties. ANSI's
role in the revision process is to establish and enforce standards of
openness, balance, due process, and harmonization with other American and
International Standards. IIAR is the ANSI-accredited standards developer
for BSR/IIAR 5-201x, and is responsible for the technical content of the
This site includes links to the following attachments:
The 30-day public review period will be from July 5th, 2019 through August 4th, 2019. Your comments are due
no later than 5:00 pm Eastern Standard Time (EST) on August 4th,
Thank you for your interest in the public review of BSR/IIAR 5-201x, Startup of Closed-Circuit Ammonia Refrigeration Systems.