How to Use a Refrigerant Gauge Set STEP BY STEP to Read Superheat for R-410A. This is how to use a manifold set to check the Refrigerant Charge of a single-speed R-410A air conditioning system if you have a piston or a capillary tube. I show you what a system would read if it is low on refrigerant and also if it is overcharged. I go over tips like evaporator freezing and why an overcharge is dangerous for these systems while also running higher wattages (less efficiently). Supervision is needed by a licensed HVAC Tech before doing this as Experience and Apprenticeship garners Wisdom and Safety.

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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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