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Problem: Please explain how to read air conditioner refrigeration gauges?

yellow jacket refrigerant gauges

Problem: I would like to check the charge on my air conditioner or heat pump unit. I purchased some air conditioner freon refrigerant gauges, but have no idea what all the numbers pressures and temperatures mean. Please explain how to read the HVAC freon air conditioner gauges?  Please explain what all the numbers and temperatures mean? Please tell me how to read freon gauges?

Answer: We have had this question asked many times. How do I read refrigeration gauges or freon gauges? When I found out how to read refrigeration gauges I was amazed at how easy it is! The gauges are actually a pressure temperature chart for R404A, R410A, and R22 refrigerants held right in your hands. All that you have to be able to do is line up the pressures with the temperatures to analyze and troubleshoot an air conditioning or heat pump system. I found a great YouTube video below that was made by AC Service Tech LLC that describes how to read manifold air conditioner refrigeration gauges when using either R22 or 410A refrigerant. AC Service Tech explains what things affect the pressures on the low and high side gauges. If you have any questions please email us anytime. We would love to try and help you out and Earn Your Business! 

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