R22 Air Conditioner Pressures

I will be sharing a pressure chart that may help you troubleshoot low pressure symptoms high pressure symptoms.

R22 air conditioner pressures.

I will do that now. Refrigerant charge quantity for air conditioners heat pumps. Proper refrigerant charging can be aided by measuring the pressure of the system while filling. This air conditioning repair article series discusses the the diagnosis and correction of abnormal air conditioner refrigerant line pressures as a means for evaluating the condition of the air conditioner compressor motor which in turn is a step in how we evaluate and correct lost or reduced air conditioner cooling capacity.

This allows the unit to pull heat from inside air release it outdoors and cycle the cooled air throughout the house. Most homes with an air conditioning system manufactured before january 1 2010 use r 22 as the refrigerant. The supply duct is blowing out 66 degree air at the closest supply vent to the air handler with the low side at a little over 40 psi. The refrigerant gas used in the ac lines must be maintained at precise levels so the system pumps at the right pressure.

Although many of the principles will carry over to other types of refrigerants and drop ins. R 22 was invented by a partnership with general motors and dupont back in the 1930 s. Along with air conditioning it was also used in chillers ice rinks and many other applications. This article refers to troubleshooting refrigerant charge on 410a and r22 residential air conditioning systems.

In the 1950 s the use of r 22 exploded and for nearly sixty years it was the refrigerant to be used in home office and commercial air conditioning. The ac compressor circulates the refrigerant through the system s pipes metering devices and coils. I haven t measured pressure drop yet on the evaporator.