In this HVAC Video, I Show How to Quickly Measure if a System is Very Low on Refrigerant (Undercharged). You don't need to melt the ice on the evaporator to measure if the system has lost most of its charge. We can use subcooling regardless of the metering device when subcooling is low. If the unit is off, you don't need to turn it on to tell if it has lost 7/8 of its full refrigerant charge! We can use the surrounding air temp and compare it to the refrigerant's saturated temperature! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.
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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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