Glossary
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The terms and definitions included
in this glossary were taken from "ASHRAE Terminology of Heating, Ventilation,
Air Conditioning & Refrigeration".
To access the complete glossary please
visit ASHRAE's Bookstore.
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| oil removal |
removal of oil or oil vapor from a refrigerant
vapor. |
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| oil return |
migration of oil from the evaporator to the
crankcase of the compressor. See compressor oil return |
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| oil separator |
device for separating oil and oil vapor from the
refrigerant, usually installed in the compressor discharge line |
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| oil still |
device to separate oil from refrigerant by a
distillation process |
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| oil trap |
device for separating and collecting oil at a given
point in a refrigerating circuit |
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| oil-distribution system (central) |
system of piping through which oil is supplied
from remote central supply tank(s) to one or more buildings, mobile homes,
recreational vehicles, or other structures |
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| Olympic rink |
ice rink of standardized size (56 m by 26 m)
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| open-loop control system |
control system that controls outputs by inputs
only and the actual system output is not considere |
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| operating life |
expected useful life of a device, usually
expressed in number of operations or years, months, hours of typical operation |
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| operating load |
point actual system operating capacity at the
time of taking an instrument reading |
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