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Emerson
VSG, VSSG
manual
Models:
VSG
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105
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Troubleshooting
Specification
Install
Symbols and Identifications
Pressure Indicator
Warranty
Maintenance
2. Actuator Assembly
Checklist
Pressure Testing
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Image 105
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Contents
VSG/VSSG compressor unit
Installation, operation & maintenance manual
Page
VSG/VSSG Standard Vilter Warranty Statement
Important Message
READ CAREFULLY BEFORE INSTALLING AND STARTING YOUR COMPRESSOR
Vilter Manufacturing LLC
Section 3 Installation
Table of Contents
Section Title
Section 1 General Information
Section 6 Troubleshooting
Section 5 Maintenance/Service
Section Number
Section 4 Operation
List of Tables and Figures
Section 7 Warranty and Parts
Appendices
Table/Figure
Figure 3-12. Installation of Coolers - Next to Buildling
Section 1 General Information How To Use This Manual
Figure 1-1. Gas Compressor Unit Model Designation
Section 1 General Information Gas Compressor Unit Model Designations
Section 1 General Information System Unit Identification
Section 1 General Information
Compressor Unit Component Identification
Figure 1-2. Gas Compressor Unit Components 1 of
Figure 1-2. Gas Compressor Unit Components 2 of
Figure 1-2. Gas Compressor Unit Components 3 of
Section 1 General Information Component Identification Continued
Section 1 General Information Piping & Identification Component Tags
Symbols and Identifications
Position Transmitter
3-Way Thermostatic Valve
High Side Float Valve Steady-Mount Bulb & Capillary
1 - 10 / Blank
Gas Flow
Section 2 Theory of Operation
Oil Life and Oil Flow
Figure 2-1. Gas Compressor Unit P&ID
RTDs and Pressure Transducers
Control System
This is a continuous cycle
Delivery Inspection
Section 3 Installation
Rigging and Lifting of Compressor Unit
Figure 3-1. Rigging and Lifting Points
The following are recommendations regarding long term storage
Long Term Storage Recommendations
Compressor Unit Inspections Prior to Storage or Installation
Recommended Onsite Tools
AIR COOLED OIL COOLERS
Compressor has been placed in operation as of
LONG TERM STORAGE LOG
Foundation Materials
Foundation
Considerations Prior to Starting
Building the Foundation
of both Check the ability of the soil to carry the load
Compressor Unit Installation
recommendations for setting, precautions, mixing, and
Leveling and Grouting
Additional Information Codes and Standards
2 - # CLOSED TIES CENTER LINE 5 - # 6 VERT
Figure 3-6. Housekeeping Pad Dimension Detail - Top View
LEVEL
COMPRESSOR UNIT HOUSEKEEPING PADS
010Ä5*4+0- 214176 4%1//0&& 14 175-2+0 10%46 $#5
Piping
Nozzle Dia. in
Table 3-2. Maximum Allowable Flange Loads
Fz lbf
Fy lbf
ONE FAN DIAMETER
NOT PREFERRED
HOT AIR RECIRCULATION
Figure 3-14. Cooler Placement and Spacing
Figure 3-13. Discharge Elevation of Coolers
PREFERRED
Initial Oil Charging Using Non -Vilter Oils
Pressure Testing
Unit Oil Charging and Priming
Do not hydro test compressur unit. Failure to comply
Normal Operating Level Maximum NON-Operating Level
Minimum Operating Level
Bypass Valve
CLOSE
OIL MIXING
SUCTION INLET
VALVE
OPEN
Initial Oil Charging
Section 3 Installation
Priming Remote Oil Cooler and Piping
REMOTE
SUCTION INLET
OIL FILTER OPEN
MOTOR
Pre Start-Up Checklist
Section 3 Installation Pre Start-Up
15. Verify that all valves are in the open position
Section 3 Installation Start-Up
Operation
Section 4 Operation
Oil Inspection
Dual Oil Filters
Stopping/Restarting
Control System Calibration
Starting, Stopping and Restarting the Compressor Starting
Calibrate Slide Valve Actuators
Figure 4-2. Actuator Assembly
Section 4 Operation
Figure 4-5. Photo-chopper
Figure 4-4. Slide Valve Calibration Screen Compact Logix PLC
Table 4-1. Command Shaft Rotation Specifications
Angle/Slide Travel
Capacity
18. Press the “Set Max” button
Oil Temperature Control Valve Oil Mixing Valve Operation
Fail Position
Purging with Dry Nitrogen
10. Close discharge bleed valve while still purging
Purging with Dry Gas
Pressure Indicator
OIL SEPARATOR
Section 4 Operation
Figure 4-13. Suction Oil Charging Valve
Figure 4-12. Suction Bypass Valve and Equalizing Solenoid Suction Oil
Coalescing Oil Return Line Setup
Oil Circuit
Table 5-1. Maintenance/Service Schedule
Unit
Control
Maintenance/Service
Section 5 Maintenance/Service
Maintaining Proper Operation
Compressor Unit Isolation for
Compressor Unit Leak Check
Use Vilter Oil Analysis Kit VPN 3097A to collect an oil
Oil System Components Oil Sampling
sample for analysis. For an example, see Figure 5-2. Fill
Send samples immediately to the oil analysis lab after
Oil Charging
Single Oil Filter Assembly
Oil Filter Replacement
Dual Oil Filter Assembly
Oil Draining
Vent Valve Drain Valve Inlet Shut-Off Valves
Coalescing Filter Replacement
Coalescing Filter
Centering Strap
View From Back of Oil Pump Strainer
Oil Pump Strainer
Drive Coupling Form-Flex BPU Hub Installation
Table 5-3. Shaft and Hub Distances
Size
17. Install set screw in hub cap to secure key in keyway of shaft
Drive Center Member Installation and Alignment
Table 5-5. Disc Pack Installation Torque Specifications
Table 5-4. Hub Clamp Bolt and Set Screw Torque Specifications
Angular Alignment
Drive Coupling Form-Flex BPU Center Member and Hub Removal
Drive Coupling Type C Sure-Flex Replacement
Table 5-6. Clamping Bolts and Set Screw Torque Specifications
Compressor Replacement
Lock Washer
Figure 5-11. Bearing Axial Float Inspection
Compressor Shaft Bearing Float Inspections
Table 5-7. Maximum Bearing Float
Gate Rotor Float and Gate Rotor Bearing Float Inspection
Figure 5-12. Bearing Radial Float Inspection
Figure 5-13. Gate Rotor Float
Figure 5-14. Gate Rotor Bearing Float
Table 5-8. Gate Rotor Float
Applied Force Rigidly attach dial indicator Use bolt for fulcurm
Gate rotor bearing float being measured
Figure 5-15. Gate Rotor and Support Clearance - Minimum Clearances
Section 5 Maintenance/Service Gate Rotor and Support Clearance
Gate Rotor Support Gate Rotor Gate Rotor Support Gate Rotor
Figure 5-16. Gate Rotor and Support Clearance - Measuring
Gate Rotor Support Gate Rotor
Straight Edge Straight Edge Straight Edge
Gate Rotor Assembly Replacement All VSG & VSSG Compressors Except
VSG 301-701 Compressors
Table 5-9. Gate Rotor Tool Sets
Figure 5-18. Gate Rotor Assembly Removal
Figure 5-17. Gate Rotor Assembly Removal and Tools
Figure 5-20. Gate Rotor and Shelf Clearance
Figure 5-19. Gate Rotor Assembly and Tools
Figure 5-21. Gate Rotor Assembly Breakdown
Gate Rotor Assembly Replacement VSG 301-701 Compressors ONLY
Figure 5-22. Gate Rotor Thrust Bearing
Figure 5-23. Gate Rotor and Shelf Clearance
Gate Rotor Disassembly
Figure 5-25. Gate Rotor Blade Installation
Figure 5-24. Gate Rotor Blade Assembly
Figure 5-26. Gate Rotor Thrust Bearing
Figure 5-27. Thrust Bearing Installation
Figure 5-28. Roller Bearing Assembly
Slide Valve Actuator Assembly Replacement
Command Shaft Assembly Replacement
Command Shaft Seal Replacement
Figure 5-29. Command Shaft Seal
Figure 5-30. Command Shaft Seal Installation
Problem
Section 6 Troubleshooting
Solution
Table 6-1. Slide Valve Actuator Troubleshooting Guide 1 of
Table 6-1. Slide Valve Actuator Troubleshooting Guide 2 of
Flash Pattern
Meaning
Table 6-2. Slide Valve Actuator LED Blink Codes* 1 of
will not move while this error code is displayed. To clear the error
er before the calibration procedure was completed. The actuator
calibrate the actuator. If this error has occurred and the cause was
not the loss of 24V power during calibration, possible causes are
Table 6-3. Troubleshooting Guide - General Problems & Solutions 1 of
Table 6-3. Troubleshooting Guide - General Problems & Solutions 2 of
Table 6-3. Troubleshooting Guide - General Problems & Solutions 3 of
6 - 8 / Blank
Warranty Claim Processing
Section 7 Warranty and Parts
On Site Service Support
Warranty does not cover labor and extraneous expenses
Request a “VSG Single Screw Compressor Rebuild Form”
Remanufactured Gas Bare Shaft Compressor Process
Appendix A Torque Specifications
Torque Specifications ft-lbs
Torque Specifications for 17-4 Stainless Steel Fasteners ft-lbs
Appendix B Motor Compressor - General Storage Instructions
Evaluation
Appendix C Oil Analysis Report
PRODUCT ANALYSIS REPORT
No Action Required
Appendix D Recommended Header Piping
Appendix E Recommended Remote Air Cooled Oil Cooler Piping
OUTLET ON TOP
INLET ON BOTTOM
Blank
