The oil used in the vacuum pump can become contaminated. It should be changed after every 10 hours o f operation or immediately after evacuating…
The triple evacuation method is a multiple evacuation procedure based on diluting the non-condensibles and water in the system with dry nitrogen. The nitrogen is…
The deep vacuum method of dehydration relies on evacuation alone to remove moisture from the system. A deep vacuum is any vacuum o f 500…
Purpose — Evacuation removes air and moisture trapped in a refrigeration system by the use o f a vacuum pump. Air occupies space in the…
As part o f the no-venting regulations, the EPA requires that all refrigerant be recovered from a system before the system can be opened for…
Reclaiming refrigerant is a distillation process that returns recovered refrigerant to the purity of factory-fresh refrigerant. In order for refrigerant to be classified as “reclaimed,”…
Recycling means to process refrigerant recovered from a system through a cleaning and decontamination process so that it is suitable for reuse. This does not…