Section 2
DESCRIPTION
7
Figure 2 ---2 Encapsulated Compressor System
AIR
AIR/FLUID
FLUID
COMPRESSOR
UNIT
FLUID FILL
PLUG
FLUID FILTER
FLUID LEVEL
SIGHT GLASS
AIR/FLUID
SEPARATOR
PRESSURE RELIEF
VALVE
DISCHARGE
AIR
AFTERCOOLER AND
FLUID COOLER
BLOWDOWN
VALVE
2.6 CONTROL SYSTEM, FUNCTIONAL DESCRIP-
TION
The purpose of the compressor control system is to
maintain compressor capacity to meet the system
demand.
It consists of an inlet valve, blowdown valve,and
control lines.
2.7 I NSTRUMENTATION, FUNCTIONAL DESCRIP-
TION
Due to the simplicity of the ES---6 Series compres-
sor, the only instrumentation necessary is a line
pressure gauge which is located on the left side of
the electrical control center a n d a discharge tem-
perature gauge which is located on the right s ide of
the electrical control center. The line pressure
gauge reads plant air system pressure only.
NOTE
At compressor shutdown, the sump pressure is
released to atmosphere through the solenoid
valve. The line pressure gauge will continue to
read system pressure.
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