R134a refrigerant is an ethane-based hydrofluorocarbon used in a wide variety of refrigeration equipment, HVAC units and cars. Used as a primary replacement for R12 refrigerant, R134a refrigerant is considered a safe option because it has non-toxic and non-flammable properties and doesn't corrode. To help service technicians...
When conducting repairs or diagnostics on a commercial cooler or freezer with R404a refrigerant, checking the pressure is key. However, in order to know the proper pressure, you also need to identify the correct corresponding temperature. The chart below helps you know what pressure R404a should run at.
Retrofitting a unit from R12 to R134a refrigerant requires you to adjust the charge accordingly. The volume of r134a refrigerant is lighter than the same amount r12 refrigerant. This not only is important to know for commercial refrigeration units, but it also is vital when making repairs on HVAC equipment and even cars. Fortunately,...
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