Evacuating the system
Journal Article
·
· Fueloil and Oil Heat with Air Conditioning
OSTI ID:458985
- Sussex County Vocational Technical School, Sparta, NJ (United States)
The purpose of evacuating the air conditioning system is to reduce system pressure to a point where any moisture contamination will begin to boil or vaporize at normal atmospheric conditions and can be removed from the system with a vacuum pump. In order to accomplish this effectively, the system pressure must be reduced to an extremely deep vacuum. Given the direct relationship between atmospheric pressure and a perfect vacuum, extremely low vacuum readings are read in microns. There are 25,400 microns to one inch of mercury. Figure I illustrates the comparisons of temperature, absolute pressure, inches of mercury and the micron system of measurement.
- OSTI ID:
- 458985
- Journal Information:
- Fueloil and Oil Heat with Air Conditioning, Vol. 56; Other Information: PBD: Feb 1997
- Country of Publication:
- United States
- Language:
- English
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