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VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S
Table of Contents
Table / Figure Page Number
List of Tables and Figures
Tables
Table 3-1. Bareshaft Compressor Component Weights ............................................................................... 3-1
Table 3-2. Bareshaft Compressor Component Lifting Hole Sizes ................................................................. 3-1
Table 3-3. Maximum Allowable Flange Loads ........................................................................................... 3-10
Table 4-1. Command Shaft Rotation Specifications .................................................................................... 4-8
Table 4-2. Stop/Check Valve Open Positions ............................................................................................. 4-17
Table 5-1. Maintenance/Service Schedule - For VSS/VSM Unit Only ............................................................. 5-1
Table 5-2a. Maintenance/Service Schedule (For VSH/VSSH Unit Only) ........................................................ 5-2
Table 5-2b. Maintenance/Service Schedule (For VSH/VSSH Compressor Only) ............................................ 5-3
Table 5-3. Maximum Main Rotor Bearing Clearance .................................................................................. 5-14
Table 5-4. Maximum Gaterotor Bearing Clearance .................................................................................... 5-15
Table 5-5. Gaterotor Float ........................................................................................................................ 5-17
Table 5-6. Backlash Range ........................................................................................................................ 5-19
Table 5-7. Gaterotor Tool Kits ................................................................................................................... 5-20
Table 5-8. Shaft Seal Tool Kits ................................................................................................................... 5-34
Table 5-9. VSH/VSSH Shaft Seals .............................................................................................................. 5-36
Table 5-10. Coils For Solenoid Valves (ICFE) .............................................................................................. 5-45
Table 5-11. Parts For Motorized Valve Station (ICF) ................................................................................... 5-45
Table 5-12. Torque Specifications (ft-lbs) .................................................................................................. 5-46
Table 6-1. Slide Valve Actuator Troubleshooting Guide (1 of 3) ................................................................... 6-1
Table 6-2. Slide Valve Actuator LED Blink Codes (1 of 2) .............................................................................. 6-3
Table 6-3. Troubleshooting Guide - General Problems & Solutions (1 of 3) .................................................. 6-5
Figures
Figure 2-1. Refrigeration Compressor Unit P&ID (Thermosyphon Oil Cooling with Single Oil Filter Shown) . 2-3
Figure 2-2. Basic Single Screw Compressor System..................................................................................... 2-6
Figure 3-1. Bareshaft Compressor Lifting Points and Component Weights ................................................. 3-3
Figure 3-2. Bareshaft Compressor Assembly Center of Gravity (Models 97-127) ........................................ 3-2
Figure 3-3. Bareshaft Compressor Assembly Center of Gravity (Models 291-2101) .................................... 3-3
Figure 3-4. Bareshaft Compressor Center of Gravity - Discharge Manifold and Main Compressor Assembly
(Models 291-2101) .................................................................................................................................... 3-3
Figure 3-5. Bareshaft Compressor Assembly Center of Gravity (Models 2401-3001) ................................... 3-4
Figure 3-6. Bareshaft Compressor Center of Gravity - Discharge Manifold and Main Compressor Assembly
(Models 2401-3001) .................................................................................................................................. 3-4
Figure 3-7. Stop/Check Valve Orientation ................................................................................................... 3-8
Figure 3-8. Maximum Allowable Flange Loads .......................................................................................... 3-10
Figure 3-9. Additional Instruments ........................................................................................................... 3-12
Figure 4-1. Slide Valve Motor Location ....................................................................................................... 4-2
Figure 4-2. Actuator Assembly ................................................................................................................... 4-4
Figure 4-3. Slide Valve Calibration Screen (Vission 20/20) .......................................................................... 4-5
Figure 4-4. Menu Screen and Slide Calibration Button (Vission 20/20) ........................................................ 4-6
Figure 4-5. Wire Connections For Capacity and Volume Actuators ............................................................. 4-7
Figure 4-6. Photo-Chopper ........................................................................................................................ 4-9
Figure 4-7. Actuator Assembly ................................................................................................................. 4-10
Figure 4-8. Overview, Main Menu and Instrument Calibration Screens (Compact Logix PLC) ..................... 4-12
Figure 4-9. Slide Calibration Screen (Compact Logix PLC) ......................................................................... 4-13
Figure 4-10. Photo-chopper ..................................................................................................................... 4-13
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