Items Tagged with 'evacuation'

ARTICLES

Deep Evacuation on a Grocery Store Rack - The ACHR News

How to Properly Evacuate Refrigerant

Don’t Suck When Pulling a Vacuum
Bryan Orr
February 25, 2019
One Comment
Evacuation is often called “vacuum” or “pulling a vacuum,” and it’s one of the most important parts of the HVACR installation and repair process where the refrigerant circuit is involved. Our goal should be to keep the closed refrigeration circuit clean, dry, and tight — just like I was taught since the very first week of HVAC school.
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AccuTools Pro Kit

AccuTools: Evacuation Kit

July 30, 2018
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TruBlu is resistant to abrasion and crushing and can be knocked back to round if accidently flattened. Additionally, the UV compounding has excellent weather resistance to provide years of reliable service.


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filter drier position

Inside Filter Driers

These valuable components keep systems clean but can become restricted themselves
Headshot-Tomczyk-John.jpg
John Tomczyk
February 6, 2017
One Comment
Filter driers are designed to remove foreign materials, such as moisture, dirt, sandpaper grit, soldering flux, small solder beads, and acid from a refrigeration or air conditioning system. However, filter driers are notorious for becoming restricted from moisture, sludge, dirt, or oil that has entered the system from a poor service practice or extreme operating conditions.
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Joe Marchese

Ice Breaker: Do It Right — Clean, Dry, and Tight

Those three words will keep your refrigeration systems humming a happy tune
Joe Marchese
August 8, 2016
One Comment

Keeping a system clean, dry, and tight really comes down to service technicians and how they handle installing or servicing a system. Here are some basic installation and service procedures that will ensure we always leave a system clean, dry, and tight.


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Tips for High Speed Refrigerant Recovery

Dave Boyd
June 20, 2011
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The increased use of high pressure refrigerants has created new challenges for technicians, yet it is still possible to perform high speed recovery of high pressure refrigerants. The tips and practices in this article will help keep your refrigerant recovery speeding toward the finish.
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Making Service Profitable With the Right Tools, Part 2

Jim Bergmann
January 31, 2011
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Part 1 of this series discussed methods to significantly reduce recovery times and brazing techniques to significantly reduce the time required for evacuation. This article covers system commissioning, including tools and techniques that reduce the time required for pressure testing, evacuation, setting airflow, charging, and performance testing.
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