Dear Valued Customer, The International Institute of All-Natural Refrigeration (IIAR) has a suite of standards that help establish both code for central ammonia refrigeration systems, but also generally accepted industry practices. Up until recently, this suite of standards largely focused on new systems or modifications to systems as well as maintenance and operations of […]
Letter to Customer/IIAR Read More »
The ANSI/IIAR Standard for Minimum System Safety Requirements for Closed-Circuit Ammonia Refrigeration Systems does a fantastic job setting the baseline requirements for existing ammonia refrigeration systems. One possible shortcoming of the standard was the absence of a formal evaluation that could help any prospective ammonia operator or service technician evaluate the system with relative ease.
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Author: Jarod Hansen Source Article: Condenser by IIAR, Lowell Randell (IIAR Government Relations Director) https://iiarcondenser.org/epa-issues-final-rule-with-risk-management-program-changes/ EPA Issues Final Rule with Risk Management Program Changes On March 11th, the Environmental Protection Agency (EPA) published the Safer Communities by Chemical Accident Prevention Final Rule that makes changes to the agency’s Risk Management Program (RMP). The move is
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Ammonia safety relief valves come in many different shapes and sizes. Similarly, there are also many different manufacturers of them as well. Most of these manufacturers disclose a “shelf life” but none of them disclose a “service life”. This is because it really isn’t within the manufacturers purview to direct on this but rather it
Safety Relief Valve Replacement Frequency Read More »
Doors vs No Doors – Refrigerated Supermarket Retail Cases If you are reading this, you are probably no stranger to the fact that refrigerated retail case manufacturers sell cases both with and without doors. So you might be wondering which you should choose in your store? Well, like many choices in life, the answer always
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Digital Compressor Upgrade: Addressing Multiple Retrofit Challenges Best Practices, Cost Saving, Efficiency, Performance / By Zach Moorse Source Article: https://www.copeland.com/documents/may-2018-digital-compressor-update-addresses-multiple-retrofit-challenges-fr-ca-6735912.pdf At Carlson & Stewart Refrigeration, Inc., we continuously strive to offer our clients advanced and efficient refrigeration solutions. One of the most significant advancements in recent years is the digital compressor upgrade, which addresses multiple
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Importance of Refrigerant Line Sizing At Carlson & Stewart Refrigeration, Inc. we strive to design and install superior commercial and industrial refrigeration systems. One of the key components to delivering on this is correctly sizing the refrigerant lines for each refrigeration system. Improperly designed line sets can cause the refrigeration system to struggle to keep
Importance of Refrigerant Line Sizing by Nick Fisher Read More »
In the past few decades, the world around us has undergone a lot of changes. The world of Direct Expansion (DX) ammonia refrigeration, however, hasn’t changed a whole lot. Enhanced tubes or fins have brought some improvements to the tried-and-true evaporators we are all familiar with. Controls technology has advanced to allow us to utilize
Ejectors in NH3 DX Evaporators Read More »
Author: Jarod Hansen Source Article: Condenser by IIAR 06_Condenser_NOV23_LOW_updated_compressed.pdf (iiarcondenser.org) Filling Levels of Pressure Vessels by Volume for Refrigerants In the ammonia refrigeration industry, maintaining the proper filling levels of pressure vessels is essential for safety, efficiency, and regulatory compliance. Appropriately filled vessels ensure that ammonia refrigeration systems operate optimally, reducing energy consumption and preventing
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Source Article: https://hillphoenixindustrial.com/how-does-the-finalized-aim-act-rule-impact-your-operation/ How Does the Finalized AIM Act Rule Impact Your Operation? Earlier this month, the EPA announced its final ruling on Technology Transition Rule portion of the AIM Act, which will phase down hydrofluorocarbons (HFCs) in several industries. According to the act, the primary goals are to reduce emissions of climate damaging HFCs
How Does the Finalized AIM Act Rule Impact Your Operation? Read More »