Charging R22 air Conditioner

Never mix refrigerants. Some valve covers twist off by hand, and some require an adjustable wrench.Screw an R-22 manifold gauge's left-hand hose onto the valve on the large refrigerant pipe. What causes the suction line of a compressor to become very hot and increase the temperature of the compressor? I will be sharing a pressure chart that may help you troubleshoot low pressure symptoms, high pressure symptoms. How often should I have my home air conditioner recharged? Add coolant to decrease superheat, or remove coolant to increase superheat.Sub-cooling is heat removed from the refrigerant, causing the temperature of the refrigerant to go below its saturation temperature. Only charge an AC system with gauges designed for R-22, as stated on the left-hand gauge.Screw an R-22 manifold gauge's right-hand hose onto the valve on the small refrigerant pipe.Purge the air from the manifold's hoses. The right-hand gauge should never read above 300 psi.Most homes with an air conditioning system manufactured before January 1, 2010 use R-22 as the refrigerant. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. One of the most expensive items on your electric utility bill in areas with hot summers is the cost of operating a central air conditioner. A Universal certified tech can work on any AC system except automotive systems, with is covered under EPA 609. Then check a pressure temperature chart to see if you're off at all. Then disconnect all of the hoses, and replace the service valve caps.Based out of Central Florida, Robert Sylvus has been writing how-to and outdoor sports articles for various online publications since 2008. Know what it is legal for an unlicensed homeowner to do to their own equipment. Understand the Laws Regarding Working on an Air Conditioner{"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/64\/Charge-a-Home-Air-Conditioner-Step-1-Version-2.jpg\/v4-460px-Charge-a-Home-Air-Conditioner-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/6\/64\/Charge-a-Home-Air-Conditioner-Step-1-Version-2.jpg\/aid1180011-v4-728px-Charge-a-Home-Air-Conditioner-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"