SN55, SN55S, SN55V, SN75, SN75S, SN75V User Manual 3: Specifications
02250247-571 R04
Subject to EAR, ECCN EAR99 and related export control restrictions. 40
3.12 Piping & instrumentation, air-cooled—SN55S, SN75S
Key Description Qty
1FILTER,AIR 1
2 INDICATOR,RESTRICTION 1
3 VALVE,INLET 1
4 COMPRESSOR 1
5MOTOR 1
6 FILTER,OIL 1
7COOLER,AIR 1
8 COOLER,OIL 1
9 VALVE,THERMAL 1
10 ORIFICE 5
11 SIGHTGLASS 1
12 STRAINER 2
13 PLUG,SIGHTGLASS 1
14 PROBE,THERMISTER 1
15 VALVE,RELIEF 1
16 TRANSDUCER, PRESSURE 3
17 VALVE, MIN PRESSURE 1
18 SEPARATOR,WATER 1
19 ELEMENT,AIR/OIL SEP 1
20 VALVE,DRAIN 1
21 VALVE,SOLENOID 3WNO 2
22 VALVE,BLOWDOWN 1
23 REGULATOR 1
24 TANK,SEPARATOR 1
25 FILTER,PNEUMATIC 1
26 VALVE,CHECK 2
27 VALVE,BALL/STNR COMBO 1
28 DRAIN,ZERO LOSS 1
29 VALVE,SPRIAL 1
Drawing notes
1
CONTROL/MOISTURE DRAIN LINES ARE 1/4" TUBING EXCEPT AS 
NOTED.
2
OPTIONAL HEAT TRACE IS APPLIED ONLY TO CONTROL AND 
MOISTURE DRAIN LINES AND USED ONLY WITH STAINLESS 
STEEL TUBING. REFER TO FACE OF ORDER FOR HEAT TRACE 
REQUIREMENTS.
Component Description
P1 WET SUMP PRESSURE
P2 PACKAGE OUT
P3 SPIRAL VALVE CONTROL PRESSURE
SOL1 LOAD/UNLOAD SOLENOID VALVE
SOL4 MEC/SEQUENCING/FULL LOAD SOLENOID
SOL5 COMBO DRAIN/JZL DRAIN SOLENOID
T1 DISCHARGE TEMPERATURE
Tubing color Purpose
BLUE TANK PRESSURE
YELLOW REGULATOR PRESSURE
RED UNLOAD PRESS
CLEAR MOISTURE DRAIN
Key Description Qty