Sullair TS32 Series, Руководство оператора и список запасных частей

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Section 6
COMPRESSOR OPERATION
32
6.2 PURPOSE OF CONTROLS
CONTROL OR INDICATOR PURPOSE
FLUID LEVEL SIGHT GLASS Monitors fluid level in the sump. Proper level should fill
1/2 of the sight glass when the compressor is shut
down. Check the level when the compressor is shut
down. DO NOT OVERFILL .
SEPARATOR RETURN LINE SIGHT GLASS Used to indicate fluid flow in the return line. When the
compressor is running at full load, fluid flow should be
visible in this sight glass. There may be little or no flow
when the compressor is running unloaded, but a slug-
gish flow at full load indicates a need to clean the return
line strainers.
FLUID STOP VALVE Cuts off flow of fluid to compressor unit at compressor
shutdown and allows flow of fluid to the unit on start---
up.
DISCHARGE CHECK VALVE Cuts off the reverse flow of air/fluid mixture through
compressor discharge system at compressor shut-
down.
THERMAL VALVE Regulates flow of fluid to and around the cooler. De-
signed to maintain a minimum operating temperature
of 170
_
F (77
_
C); used for fast warm---up on start---up.
MINIMUM PRESSURE/CHECK VALVE Maintains minimum of 50 PSIG (3.4 bar) in the com---
(200---300HP/ 150---225KW) pressor sump. Valve piston restricts receiver air dis---
charge from receiver/sump when pressure is below 40
PSIG (2.8 bar). Prevents line pressure backflow in sump
during unload conditions and after shutdown.
COMPRESSOR DISCHARGE The Supervisor will shut the compressor down when
TEMPERATURE PROBE (T1) the discharge temperature reaches 235
_
F (113
_
C).
The message displays “HIGH TEMP T1”.
SUMP PRESSURE TRANSDUCER (P1) The Supervisor will shut the compressor down if the
sump pressure becomes too high. This transducer is
factory set per the designed operating range of the
compressor; normally 135 PSIG (9.3 bar). P1 status in
conjunction with the status of the “compressor run”
output contact determines if compressor is running. If
the run contact is closed, the compressor is ON
LOAD, and P1 is below 14.5 PSIG (1 bar), the Supervi-
sor will initiate a shutdown and display a “Pressure
Loss” message.
INJECTION OIL PRESSURE The Supervisor will initiate a protective shutdown
TRANSDUCER (P3) and display a ”Low Pressure P3” message if the
fluid pressure goes below a factory set minimum
value; approximately 10 PSIG (0.7 bar).
FLUID FILTER TRANSDUCER (P4) Used in conjunction with P3 to calculate fluid filter dif-
ferential pressure and warn of need for filter replace-
ment.
WATER PRESSURE SWITCH Prevents compressor operation if water pressure is
(water---cooled compressors only) too low. Standard setting is 10 PSIG (0.7 bar). The
message “FAN OL/LO WATER” will be
displayed if pressure is too low.