In this HVAC Training Video, Ty Branaman (@Love2HVAC) and I Discuss Vacuum Procedure Problems, Pressure Testing Issues, Why Operating Pressures Won't Rise and More! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.
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Timestamps:
0:00 Intro
0:23 How do I Determine the Target Subcooling on a Unit That Doesn’t Have the Subcooling Listed on the Rating Plate
2:01 When There is a Liquid Line Restriction, why would you put the TXV Bulb in Bot or Cold water?
9:46 What’s the Purpose of Doing a Nitrogen Pressure Test Before a Vacuum Test? Isn’t a Vacuum Test Sufficient?
14:35 In This Mini-Split's Manual, it Says to run the Vacuum for 25 minutes. Why is This the Case?
16:42 When an HVAC Unit's Manual says to do a Triple Evacuation & Reach 200 Microns, do we Really Need to do a Triple?
20:54 Why Isn't the Pressure & Saturated Temperature Rising When I add More Refrigerant to an Air Conditioner?
28:48 What Does it Mean When I Read a Low Delta T, but the Superheat & Subcooling are Correct on an AC Unit?
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https://youtu.be/rhmqHBi9a-o
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️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided.
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#hvacr #hvacr #hvactrainingvideos #podcast #hvacpodcast #tybranaman #love2hvac #qa #question #technician #pressure #subcooling #vacuum #vacuumpump
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