Recent Blog Posts

Oil Storage and Machinery Rooms

October 3rd, 2017

Every closed-circuit ammonia refrigeration system utilizes oil for compressor lubrication. Facilities typically maintain new oil onsite in 55-gallon drums. We have observed that it is common practice for many facilities to store reserve oil inside the machinery room. ANSI/IIAR 2-2014 §6.4 addresses the storage of combustible materials inside the machinery room. This section requires that: […]

Machinery Room Ventilation Requirements

August 9th, 2016

In this week’s blog post we will summarize the machinery room ventilation requirements contained within ANSI/IIAR 2-2014. We have broken down the ventilation requirements into three (3) categories: Design and Installation Control Testing Some of the requirements overlap and are listed in more than one of the categories. Design and Installation When occupied, the machinery […]

Machinery Room Doors

August 31st, 2015

When evaluating the safety of a refrigeration machinery room, it is important to take a close look at the machinery room doors. Door location, hardware, and accessibility are all important factors in determining proper room design. The following is a brief summary of the relevant codes and standards on the topic of machinery room doors: Note: Both […]