Worthington calls for rethink on disposable cylinder ban
USA: Refrigerant cylinder manufacturer Worthington Industries has called on the US EPA to rescind the forthcoming ban on disposable, non-refillable cylinders.The Ohio-based company has filed a petition for partial administrative reconsideration, asking the agency to rescind the ban on non-refillable cylinders which was included as part of the EPA’s final rule to implement the American …
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Liquid Line Filter/Drier Diagnosis
Filter driers are designed to remove foreign materials from refrigeration or air conditioning systems. They are notorious for becoming restricted due to moisture, sludge, dirt, or oil that has entered the system from a poor service practice or extreme operating conditions. Of all these issues, it is excessive moisture that causes most filter driers to become restricted. …
Installing Refrigeration Evaporator Coils
Installation Tips: Evaporators April 1, 2008There are many different thoughts on installation procedures of evaporators. Coming from a contractor background, I will briefly share some of my successes. Note: always inspect your evaporator for damage, and check to make sure it’s the correct unit for this job before you proceed. By Robert Thornton There are …
Nashville TN HVACR News
https://www.linkedin.com/posts/jaysongoff_hvacr-trainingprogram-activity-6862780318705872896-9lwd
Emerson joins the VFD market
USA: Emerson has announced the introduction of a family of Copeland variable frequency drives for commercial and industrial refrigeration applications. READ MORE HERE
Chilled Water Coil Factoids
1. A water coil is a water coil. There is really no difference between hot water coils and a chilled water coils in construction. Hot water coils are usually 1 or 2 rows and chilled water coils are usually 3 to 12 rows deep. 2. The vast majority of chilled water coils are constructed from either 1/2″ OD tubes or 5/8″ …
DiversiTech Acquires Fresh-Aire UV
DiversiTech Corp., an aftermarket manufacturer and supplier of highly-engineered components for residential and light commercial heating, ventilating, air conditioning and refrigeration (HVACR), announced it has acquired with Fresh-Aire UV, a manufacturer in the Indoor Air Quality (IAQ) industry. READ MORE
R466A confirmed as inert by the Japanese refrigeration society
USA: The Japan Society of Refrigerating and Air Conditioning Engineers (JSRAE) has recognised R466A, Honeywell’s lower GWP, non-flammable alternative to R410A, as a “new inert refrigerant.” The recognition confirms ASHRAE’s previous classification of R466A as an A1 (no flame propagation, lower toxicity) refrigerant. READ MORE