Emerson Copeland Instruction Sheet FD113 Oil Pressure Safety Control Compressor Manual, 2007 - Enlarge page 1 of 4
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Instruction Sheet PA-00250 October 2007 FD113 Oil Pressure Safety Control FD113 Oil Pressure Safety Control THE FLEXIBLE CONTROL · The FD113 Oil Pressure Safety Control senses the effective oil pressure differential in compressors with positive displacement oil pumps. If inadequate oil pressure exists, a time delay is energized. If the oil pressure does not recover to safe levels within the time delay setting, the compressor is shut down.
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The time delay allows the compressor adequate time to establish oil pressure on start up and avoids nuisance shutdowns on pressure drop of short duration during the run cycle. · Maximum application flexibility is assured by providing an adjustable differential pressure switch which can be adjusted to the compressor’s minimum required oil pressure needs and an adjustable time delay which allows you to select the length of time the compressor runs below the minimum pressure before shutdown. The minimum pressure setting and time delay values specified …