070.610-IOM (JUL 21)
Page 61
RWF II Rotary Screw Compressor Units
Maintenance
Figure 61: Piping and instrumentation diagram
Piping and instrumentation diagrams
SEE HYDRAULIC
SCHEMATIC
(Fig. 19)
DIRECTION CONTROL VALVE
COMPRESSOR END VIEW
PURGE/VENT
DISCHARGE
STOP/CHECK
VALVE
ASSEMBLY
SUCTION VALVE
REDUCER AND
SHIPPED LOOSE
REMOVE EVAC/CHARGE KIT
BEFORE PIPING
(OPTIONAL)
ECONOMIZER KIT
IS SHIPPED LOOSE.
THE ISOLATION
AND CHECK VALVES
AND STRAINER
SHOULD BE LOCATED
AS CLOSE AS POSSIBLE
TO THE COMPRESSOR,
PREFERABLY WITHIN
A FEW FEET.
S S
C
B
A
CUSTOMER IS RESPONSIBLE FOR PROVIDING AND INSTALLING
RELIEF PROTECTION IF COOLER IS ISOLATED
OF-1
3
TAHH
3
TAH
3
TI
3
TE
SC-13
SC-13
C-1
SC-6
SL-2
SL-1
SM-1
SB-3
SD-1
1111
PALLPAL PI PE
PV-1
4
PE
PI
4 4
PICPAL
4
PALL
4
CV-4
1
TE
1
TAHH
1
TAH
TI
1
TO THE COMPR
SUCTION GAS
SC-14 SC-5
SE-1
SUCTION GAS
TO THE COMPR
SV-1
FROM UNIT
DISCHARGE GAS
TAHH
22
TAH
2
TI
2
TE
NV-1
1
LG
LG
2
1
LSLL
1
LS
M-1
TALL TI
4
TAL
44
TE
4
HTR-1
LG
3
HTR-2
1
ZT
ZI
1
2
ZT
ZI
2
STR-1
NV-2
HTR-3
1
TCV
F
C
F
C
PDAH
2
PDI PE
2 2
PSV
1
CV-3
STR-5
7
PE
7
PIPIC
7
SAMPLING
VALVE
8
PUMPOUT
INLET
OUTLET
PI
1
HAND
EXPANSION
VALVE
OIL COOLER
DRAIN
POWERMIZER
(OPTIONAL)
TE-2 DISCHARGE GAS TEMPERATURE
PE-2 OIL PRESSURE BEFORE FILTER 0-500 PSIA
TE-4 SEPARATOR OIL TEMPERATURE
TE-1 SUCTION GAS TEMPERATURE
PE-1 OIL PRESSURE (MANIFOLD) 0-500 PSIA
TEMPERATURE PROBES INDICATE:
TE-3 LUBE OIL TEMPERATURE
PE-4 SUCTION PRESSURE 0-200 PSIA
PE-7 ECONOMIZER PRESSURE 0-500 PSIA
PE-3 DISCHARGE PRESSURE 0-500 PSIA
2.
PRESSURE TRANSDUCERS INDICATE:
MICROPROCESSOR NOTES:
1.
RWF II 399 PACKAGE SHOWN FOR REFERENCE
3/8 - 18 NPTF
3/8 - 18 NPTF
1 1/4 SQ. FLG.
1 5/16-12UN-2B
3/8 - 18 NPTF
3/8 - 18 NPTF
1 1/16-12UN-2B
9/16-18UNF-2B
1/8 - 27 NPTF
9/16-18UNF-2B
1 5/16-12UN-2B
2 1/2 SQ. FLG.
9/16-18UNF-2B
1 5/16-12UN-2B
1/2 - 14 NPTF
1 5/16-12UN-2B
SC-5
SE-1
SD-1
SL-2
SC-9
SM-1
SV-1
SC-13
SC-7
SC-8
SC-6
CONNECTION
DESIGNATION
SB-3
SL-1
SIZE
INLET PRESSURE, STR THD O-RING
ELECTRICAL CONNECTOR
COALESCER BLEED STR THD O-RING PORT
HIGH VI LIQUID INJECTION
DISCHARGE PRESSURE, STR THD O-RING
CLOSED THREAD DRAIN, STR THD O-RING
INLET HOUSING OIL DRAIN, STR THD O-RING
OIL DRAIN CYLINDER, STR THD O-RING
MAIN OIL INJECTION, STR THD O-RING
VAPOR INJECTION TONGUE & GROOVE
SEAL WEEPAGE
COMPRESSOR OIL SUPPLY
SLIDE VALVE - UNLOAD
SLIDE VALVE - LOAD
MOVEABLE SLIDE STOP
MOVEABLE SLIDE STOP
LOW VI LIQUID INJECTION
DESCRIPTION
SC-14 9/16-18UNF-2B LIQUID INJECTION BLEED
TE-1
SUCTION GAS TEMPERATURE ELEMENT
3/4-14 NPTF
9/16-18UNF-2B
SC-3
5/16
SC-4
5/16
P
SC-1
SC-2
T
CONNECTION
DESIGNATION
SAE #6
5/16
5/16
SAE #6
SIZE
SCREW IN FLOW REGULATING NEEDLE VALVE
SCREW IN FLOW REGULATING NEEDLE VALVE
SCREW IN FLOW REGULATING NEEDLE VALVE
SCREW IN FLOW REGULATING NEEDLE VALVE
DESCRIPTION
PRESSURE SUPPLY
RELIEF TO TANK
PORT CONNECTIONS FOR DIRECTION CONTROL VALVES
1 PSIG
TEST PORT
3
PAHH
3 33
PI PA H
3
PAH
3
3
PE
CV
EZ-CAL VALVE ASSEMBLY
(OPTIONAL)
See Legend next page.
EZ-CAL
™
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