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Jun 2022
Leading Off: Updates, Regional Events and Stetsons
Hello from warm and sunny Virginia. I hope everybody in the HVACR community is safe/healthy and doing well. As it looks to be an extremely hot summer coming up, be sure to stay safe and well hydrated. The digital edition you are reading this month covers some of the more practical skills you will need to have at your disposal as the days begin to heat up. The articles contained within are the best of the preventive maintenance issues, and they will serve to remind you of the importance of proper procedure while Headquarters is in the process of relaunching its magazine!
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Jun 2022
Principles of Proper Refrigeration Evacuation
Evacuation, often referred to as “pulling a vacuum,” is arguably one of the most important things we, as technicians, can do well after a refrigerant system has been open to the atmosphere.
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Jun 2022
Springtime Coil Cleaning
HVACR coil cleaning has never been an exact science. Service contractors many times rely on intuition and experience to determine what type of coil cleaner, applicator and dosage to use.
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Jun 2022
The Fundamentals of Leak Testing
As regulations around the phasedown of HFC refrigerants and the push for lower-GWP alternatives continue to drive the HVAC/R industry issues like system installation, maintenance and service practices are also changing accordingly. Many of the new low-GWP refrigerants are classified as flammable (A3) or mildly flammable (A2L) and there are special tools and procedures to follow in order to service these systems safely and effectively.
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Jun 2022
Proper Procedures for Brazing Pipe and Tubing
Brazing is an integral part of installing and repairing HVACR systems. This metal joining process utilizes a filler metal that melts above 840°F/450°C and below the melting point of the base metals. The filler metal is drawn into the joint by capillary attraction producing a sound, leak-proof connection.
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Jun 2022
Heating Up: Hello from Headquarters
Happy summer to all of you, albeit one laced with multiple days of +100°F temps. According to NBC Chicago, the last time one of our local airports (Midway) saw triple-digit readings in June on consecutive days was in 1934. That being said, and to echo our International President’s sentiments on the former page, do your best to take care of yourself while working in the field.
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Jun 2022
RSES News: June 2022 Summer
RSES SWRA Annual Conference Convenes in Austin
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Dec 2021
RSES Announces an Adaptive Pause for RSES Journal
RSES will be placing RSES Journal on an “Adaptive Pause” while the organization continues to restructure and implement new products/services for 2022. This pause provides a reprieve in the production process while the organization sorts out system and personnel changes.
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Dec 2021
Evaporator Coil Drain Pan Safety Recall
This morning, the Goodman Manufacturing Company issued a recall on certain molded plastic evaporator coil drain pans that were sold from approximately January 2019 through November 2021.
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Dec 2021
Troubleshooting: The New Package Unit Will Not Start
The troubleshooting problem for this month involves a renovation project at a typical gymnasium that is used for basketball, volleyball, and occasionally is used for special events.
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Results: 2366 Articles Found
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