In this HVAC Video, I show how to tell if you have a liquid line restriction such as a clogged metering device, clogged filter drier, or clogged strainer screen. In this case, the TXV bulb lost some of its refrigerant pressure. I measure saturated temperatures, line temps, superheat, and subcooling to determine the problem. I put the determined that the TXV had lost part of its bulb charge but not all of it so when I put the bulb in warm water, the superheat lowered. Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

Tools Used In The Video

Yellow Jacket Refrigerant Gauge Set http://amzn.to/2aenwTq
Refrigerant hoses with valves http://amzn.to/2aBumVI
Fieldpiece ST4 Dual Temp Meter http://amzn.to/2wc1ME3
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Our Related Videos/Articles

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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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