SN55, SN55S, SN55V, SN75, SN75S, SN75V User Manual 3: Specifications
02250247-571 R04
Subject to EAR, ECCN EAR99 and related export control restrictions. 42
3.13 Piping & instrumentation, water-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
7 COOLER,OIL/WATER 1
8 COOLER, AIR/WATER 1
9ORIFICE 5
10 SIGHTGLASS 1
11 STRAINER 2
12 PLUG, SIGHT GLASS 1
13 PROBE, THERMISTER 1
14 VALVE, RELIEF 1
15 TRANSDUCER, PRESSURE 3
16 VALVE, MINIMUM PRESSURE 1
17 VALVE, BLOWDOWN 1
18 SEPERATOR, WATER 1
19 ELEMENT, SEPARATOR 1
20 VALVE, DRAIN 1
21 VALVE, SOLINOID 3WNO 2
22 VALVE, PRESSURE REGULATOR 1
23 TANK, SEPARATOR 1
24 FILTER, PNEUMATIC 1
25 VALVE, CHECK 2
26 VALVE, THERMAL 1
27 SWITCH, PRESS 1
28 VALVE, WATER REGULATOR 1
29 VALVE, SOLINOID 2WNC 1
30 VALVE, BALL/STRAINER COMBO 1
31 DRAIN, ZERO LOSS 1
32 SPIRAL VALVE 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 LINE PRESSURE
P3 SPIRAL VALVE CONTROL PRESSURE
SOL1 LOAD/UNLOAD SOLENOID VALVE
SOL4 MEC/SEQUENCING/FULL LOAD SOLENOID VALVE
SOL5 COMBO DRAIN/ZL DRAIN SOLENOID VALVE
SOL6 WATER SOLENOID VALVE
T1 WET DISCHARGE TEMPERATURE
Tubing color Purpose
BLUE TANK PRESSURE 
YELLOW REGULATOR PRESSURE
RED UNLOAD PRESS
CLEAR MOISTURE DRAIN
Key Description Qty