
RWH ROTARY SCREW COMPRESSOR UNITS
MAINTENANCE
070.620-IOM (DEC 12)
Page 44
LEGEND (Covers all P & I diagrams in this manual)
C
COMPRESSOR
CV
CHECK VALVE
DP
DISCHARGE PRESSURE
FG
FLOW GLASS
HV
HAND VALVE
HTR
HEATER
LG
LEVEL GLASS
LSLL
SEPARATOR LOW OIL LEVEL SHUTDOWN
M
MOTOR
NV
NEEDLE VALVE
OF
OIL FILTER
OP
OIL PRESSURE
P
DEMAND PUMP
PAH
HIGH DISCHARGE PRESSURE ALARM
PAHH
HIGH DISCHARGE PRESSURE SHUTDOWN
PAL
LOW PRESSURE ALARM
PALL
LOW PRESSURE SHUTDOWN
PDAH
HIGH PRESSURE DIFFERENTIAL ALARM
PDCV
PRESSURE DIFFERENTIAL CONTROL VALVE
PDI
PRESSURE DIFFERENTIAL INDICATOR
PDIT
PRESSURE DIFFERENTIAL INDICATING TRANSMITTER
PDSLL
COMPRESSOR LOW DIFFERENTIAL PRESSURE CUTOUT
PE
PRESSURE TRANSDUCERS
PI
PRESSURE INDICATOR
PIC
PRESSURE INDICATION CONTROLLER
PM
PUMP MOTOR
PS
PRESSURE SWITCH CONTROL
PSV
HIGH PRESSURE SAFETY VALVE
SP
SUCTION PRESSURE
STR
STRAINER
TAH
HIGH TEMPERATURE ALARM
TAHH
HIGH TEMPERATURE SHUTDOWN
TAL
LOW OIL TEMPERATURE ALARM
TALL
LOW OIL TEMPERATURE SHUTDOWN
TC
TEMPERATURE CONTROLLER
TCV
THERMAL CONTROL VALVE
TE
TEMPERATURE ELEMENT
TI
TEMPERATURE INDICATOR
TS
TEMPERATURE SWITCH
TSH
TEMPERATURE SWITCH HIGH ALARM
TW
THERMOWELL
VI
VI CONTROL
SB-2
INLET BEARING & BALANCE PISTON
SB-3
DISCHARGE BEARINGS & SEAL
SC-1
SLIDE VALVE - UNLOAD
SC-2
SLIDE VALVE - LOAD
SC-3
MOVEABLE SLIDE STOP
SC-4
CYLINDER DRAIN
SC-5
SUCTION PRESSURE
SC-6
DISCHARGE PRESSURE
SC-7
OIL PRESSURE IN (SB-2)
SC-8
SEAL WEEPAGE
SC-9
CLOSED THREAD PRESSURE
SC-10
SLIDE VALVE TOOL/DISCHARGE PRESSURE
SC-11
DRAIN/DISCHARGE PRESSURE
SC-12
DRAIN/SUCTION PRESSURE
SC-13
CYLINDER OIL PRESSURE
SC-14
CYLINDER VENT
SD-1
COALESCER BLEED/SUCTION PRESSURE
SL-1
LIQUID INJECTION LOW VI
SL-2
LIQUID INJECTION HIGH VI
SM-1
MAIN OIL INJECTION
SP-1
SUCTION ACCELEROMETER
SP-2
DISCHARGE ACCELEROMETER
SV-1
VAPOR INJECTION (4018 & 4021 COMPRESSOR)
ST-1
SUCTION TEMPERATURE
ST-2
DISCHARGE TEMPERATURE
PRESSURE TRANSDUCERS INDICATE:
PE-1A OIL PRESSURE (MANIFOLD)
PE-1B OIL PRESSURE (MANIFOLD)
PE-2
OIL PRESSURE BEFORE FILTER
PE-3
DISCHARGE PRESSURE
PE-4
SUCTION PRESSURE
TEMPERATURE PROBES INDICATE:
TE-1
SUCTION GAS TEMPERATURE
TE-2
DISCHARGE GAS TEMPERATURE
TE-3
LUBE OIL TEMPERATURE
TE-4
SEPARATOR OIL TEMPERATURE
SOLENOID VALVE FUNCTION:
YY-1
ENERGIZE UNLOAD SLIDE VALVE
YY-2
ENERGIZE LOAD SLIDE VALVE
YY-3
ENERGIZE INCREASE VOLUME RATIO
YY-4
ENERGIZE DECREASE VOLUME RATIO
YY-5
MAIN OIL INJECTION AIR DUMP SOLENOID
YY-6
PRELUBE SOLENOID
YY-7 SEPARATOR EQUALIZING AIR DUMP SOLENOID
YY-9
DUAL-PORT LIQUID INJECTION SOLENOID
PY-1
DISCHARGE PRESSURE CONTROL VALVE AIR DUMP
SOLENOID
PY-2
ECONOMIZER VAPOR PRESSURE CONTROL VALVE
AIR DUMP SOLENOID
PY-3
SUCTION PRESSURE CONTROL VALVE AIR DUMP
SOLENOID
CUSTOMER SUPPLIED
FRICK SUPPLIED
Содержание Frick 1179
Страница 36: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 36 Figure 37 OIL LEVEL TRANSMITTER ...
Страница 41: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 41 COMPRESSOR PORT LOCATIONS 408 MM ...
Страница 51: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 51 OPERATING LOG SHEET ...
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