Some sealed-tube test kits like TOTALTEST® can measure the acid/moisture content in refrigerant vapor without the need for an oil sample. The TOTALTEST® procedure is…
Air entering a system contains moisture. Moisture in the refrigerant can create oil sludge, which reduces the lubrication properties of the oil and plugs oil…
Purpose — Refrigeration systems are intended to contain only refrigerant and oil. Anything else in the closed system is considered a contaminant. Contaminants such as…
Most refrigerants such as HCFC-22 are made from a single pure chemical compound. Others are made by mixing (blending) two or more different refrigerants. Refrigerant…