These refrigerants have higher boiling points than say R12 or R22. Thus when a machine using them operates the low side will run in a vacuum. So any low side leak points will suck in air rather than leak refrigerant out. A purge unit constantly samples the condenser gas and removes the air and water vapor which has been pulled in at these leaking points and periodically releases them to atmosphere while it condenses any refrigerant vapor picked up in the sample mix to a liquid and returns it to the machine.
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It more or less means to clean out.
The Great Purge was a campaign of political repression in the Soviet Union orchestrated by Joseph Stalin from 1934 to 1939. It did not take place on a specific day.
Not in English, it isn't, not in the original languages. Check concordances for several different English translations. It does appear, but that does not mean that the original word translated into 'purge' in one version will always be translated the same way in other versions. There may be some English versions that don't even use the word at all.
i only know 8 examples... they are 1.Papya 2.watermelon 3.musk melon 4.Castor bean 5.Tapioca 6.Gopher Purge 7.Tung oil 8.Maize
Once you purge all of the air out of the lines that size pump would handle the job well. But if you don't get all of the air out you'll need a much larger pump.