Emerson VILTER VSS Installation, Operation And Service Manual
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Emerson VILTER VSS Installation, Operation And Service Manual

Single screw bare shaft compressor
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VSS/VSR/VSM/VSH/VSSH
Single Screw Bare Shaft Compressor
Installation, Operation and Service Manual

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Summary of Contents for Emerson VILTER VSS

  • Page 1 VSS/VSR/VSM/VSH/VSSH Single Screw Bare Shaft Compressor Installation, Operation and Service Manual...

  • Page 3: Important Message

    E-mail: info.vilter@emerson.com; Web: Emerson.com/Vilter Equipment Identification Numbers: Vilter Order Number: _______________________Compressor Serial Number: _________________ Vilter Order Number: _______________________Compressor Serial Number: _________________ Vilter Order Number: _______________________Compressor Serial Number: _________________ VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 4: Standard Vilter™ Warranty Statement

    Further, Seller shall not be liable under the above warranties should Buyer be in default of its payment obligations to Seller under this Agreement or any credit agreement. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 5: Standard Vilter™ 5/15 Warranty Statement

    Genuine Vilter parts for validation of a warranty claim, if requested. Note: The 5/15 warranty applies to NEW compressors only, and does NOT include used or remanufactured compressors. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 6: Ec Declaration Of Incorporation

    Signed for and on behalf of Vilter Manufacturing, LLC.: Last update: May 2019 Vilter Manufacturing, LLC. 5555 South Packard Avenue P.O. Box 8904 Cudahy, Wisconsin 53110-8904 001-414- 744-0111 FAX: 001-414-744-3483 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 7: Table Of Contents

    Temperature ..........................3-12 Miscellaneous..........................3-13 Testing Refrigeration System For Leaks ....................3-13 Ammonia Systems ........................3-13 Halocarbon Refrigerant Systems ....................3-13 CO2 Systems ..........................3-14 TOC − 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 8 Additional Inspections ........................5-20 Post Inspection..........................5-20 Gaterotor Assembly Replacement (All Compressors Except VSM 301-701 and VSM 97-127 Compressors) ............ 5-20 Removal ............................5-20 Installation ........................... 5-21 TOC − 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 9 Section 6 • Troubleshooting Slide Valve Actuator Troubleshooting Guide ....................6-1 Slide Valve Actuator LED Blink Codes ......................6-4 Troubleshooting Guide - General Problems & Solutions ................6-6 TOC − 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 10 Appendix D Liquid Injection Valve Setup Instructions and ICM/ICAD Motorized Valve Quick Start Guide ...D-1 Appendix E Liquid Injection Valve Station ICF 20-40 Installation Guide ............E-1 Appendix F Hand-Held Slide Valve Calibration Tool ..................F-1 TOC − 4 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 11 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 TOC - 5 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 12: Table Of Contents

    Figure 5-48. Actuator Installation Using Anti-Rotation Bolts ..............5-42 Figure 5-49. Command Shaft Assembly Replacement ................5-43 Figure 5-50. Danfoss ICF 20-40 Valve Station (Liquid Injection Control) ............ 5-44 TOC - 6 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 13: Section 1 • General Information

    WARNING - Warning statements are shown when there are hazardous situations, if not avoided, will result in se- rious injury and/or death. 1 – 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 14: System Unit Identification

    A compressor unit typically a single screw compressor unit, is not mounted on a structural steel base. Package Unit A package unit is a complete system mounted on a structural steel base with interconnecting piping. 1 – 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 15: Bare Shaft Refrigeration And Heat Pump Compressor Model Designations

    LT- 205mm LITE Compressor Example: 26376A then slide designation: A. B- Balanced Main Rotor PPS- Slide with Ryton Clamps N- 900# Flange PPC- Carbon Slide Clamp 1 – 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 16 1 – 4 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 17: Section 2 • Theory Of Operation

    100% down to as low as 10% of the full rated capacity. rotor tooth in the groove, and to lubricate the moving parts. 2 – 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 18: Refrigerant And Oil System

    Furthermore, to collect oil from the coalescing side of the oil separator (1), an oil return line (8) is installed between the oil separator and the compressor (9). By opening the 2 – 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 19: Figure 2-1. Refrigeration Compressor Unit P&Id (Thermosyphon Oil Cooling With Single Oil Filter Shown)

    R717 LIQUID INLET D100 D103 MOTOR C100 VOLUME D102 BLEED COMPRESSOR CAPACITY Figure 2-1. Refrigeration Compressor Unit P&ID (Thermosyphon Oil Cooling with Single Oil Filter Shown) 2 – 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 20: Control System

    2 – 4 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 21: Alarm And Shutdown Readings

    RTD located at the oil injection line. each installation. 2 – 5 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 22: Single Screw Package Requirements

    The relief valve must be set to open at a pressure lower than the Maximum Allowable Working Pressure (MAWP) of the separator. Figure 2-2. Basic Single Screw Compressor System 2 – 6 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 23: Section 3 • Installation

    5/8-11 UNC -2B 5/8-11 UNC -2B 3/8-16 UNC -2B 2401-3001 5/8-11 UNC -2B 5/8-11 UNC -2B 5/8-11 UNC -2B 3/4-10 UNC -2B 5/8-11 UNC -2B 3 – 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 24: Figure 3-1. Bareshaft Compressor Lifting Points And Component Weights

    Lifting Point A Center of 1/2-13 UNC Gravity ROLLER BEARING HOUSING GATEROTOR BALL BEARING SUPPORT Figure 3-2. Bareshaft Compressor Assembly Center of Gravity (Models 97-127) 3 – 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 25: Bareshaft Compressor Center Of Gravity (Models 291-2101)

    Main Compressor Discharge Assembly Manifold Center of Gravity Range Figure 3-4. Bareshaft Compressor Center of Gravity - Discharge Manifold and Main Compressor Assembly (Models 291-2101) 3 – 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 26: Bareshaft Compressor Center Of Gravity (Models 2401-3001)

    Lifting Eyes Center of Gravity Discharge Main Compressor Manifold Assembly Figure 3-6. Bareshaft Compressor Center of Gravity - Discharge Manifold and Main Compressor Assembly (Models 2401-3001) 3 – 4 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 27: Compressor Inspections Prior To Installation

    • Infrared Heat Gun • Torque Wrenches (with ranges from 0 to 600 ft-lbs) • Sockets and wrenches up to 2-1/2” (63.5 mm) • Voltmeter 3 – 5 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 28: Long Term Storage Recommendations

    If not already installed, it is required that a gauge is to be added to help moni- tor the nitrogen holding charge pressure. If a drop in 3 – 6 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 29: Long Term Storage Log

    Valves (Stop valves are in closed position so the compressor unit is isolated. All other valves, except those venting and draining to atmo- sphere are to be open) Space Heater & Panel Components (Ensure space heater is energized and panel components are rust-free) 3 – 7 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 30: Stop/Check Valve Installation

    Verify the location of the Spring and note the Vilter name. Figure 3-7. Stop/Check Valve Orientation For VSM-97, VSM-113 and VSM-127 this is just a Stop Valve 3 – 8 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 31: Piping

    90° Ells in three been shut down in cold weather. These precautions directions. 3 – 9 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 32: Flange Loads

    CHECK LINE CUSTOMER VALVE SUPPORT CUSTOMER SUPPORTS WHEN CHECK VALVE CHECK IS MOUNTED HERE VALVE CUSTOMER CUSTOMER SUPPORT SUPPORT Figure 3-8. Maximum Allowable Flange Loads 3 – 10 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 33: Slide Valve Actuator Installations Instructions

    & rotational 100% position of the slide valve travel. more details. NOTE Because there is an optical sensor on this motor, do not attempt calibration in direct sunlight. 3 – 11 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 34: Instrumentation Requirements

    DRAIN OPTIONAL DUAL OIL FILTERS VENT OIL COOLER DRAIN DRAIN STANDARD WATER COOLED OIL COOLER OPTIONAL REMOTE AIR COOLED OIL COOLER Figure 3-9. Additional Instruments 3 – 12 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 35: Miscellaneous

    All bypass arrange- ments must also be opened. Because of differences in Do not simply add more solder to the leaking joint. After 3 – 13 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 36 (such as D-TEK CO ), and ultrasonic leak detectors of several brands Information taken from Commercial CO2 Refrigeration Systems Guide for Subcritical and Transcritical CO2 Applications, by Emerson. 3 – 14 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 37: Section 4 • Operation

    If the auto start on power failure option is selected, the compressor unit will start up after a waiting period. With both options, 4 – 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 38: Emergency Shutdown

    Optical Actuators CAN NOT be manually rotated. (The VSM 501-701 models will have motor locations opposite of figure #4-1) Figure 4-1. Slide Valve Motor Location 4 – 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 39: Slide Valve Actuator Operation

    4 – 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 40: Calibrate Slide Valve Actuators (For Units Using Vission20/20™)

    Assembly Actuator Red LED Plastic Cover Blue Calibrate Button Figure 4-2. Actuator Assembly Does not apply to compressors that operate without slides (VSM-97, VSM-113, VSM-127). 4 – 4 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 41: Figure 4-3. Slide Valve Calibration Screen (Vission 20/20)

    LED on the top of assembly. Calibration Buttons Figure 4-3. Slide Valve Calibration Screen (Vission 20/20) 4 – 5 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 42: Figure 4-4. Menu Screen And Slide Calibration Button (Vission 20/20)

    Figure 4-4. tors of power cable and position transmitter cable to new actuator. Figure 4-4. Menu Screen and Slide Calibration Button (Vission 20/20) 4 – 6 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 43: Figure 4-5. Wire Connections For Capacity And Volume Actuators

    The red LED will begin flashing rapidly. Capacity Actuator Wire connections (13, 14) Volume Actuator Wire connections (15, 16) Figure 4-5. Wire Connections for Capacity and Volume Actuators 4 – 7 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 44: Table 4-1. Command Shaft Rotation Specifications

    The brake can be disengaged by pushing on the motor shaft on the cone end. The shaft should be centered in its travel. Do not use excessive force manually operating the motor or damage may result. 4 – 8 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 45: Figure 4-6. Photo-Chopper

    Figure 4-6. Photo-chopper Press down on Photo-chopper to release tension from mo- tor mount. 4 – 9 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 46: Calibrate Slide Valve Actuators (For Units Using Compact Logix Plc)

    - an attempt to recalibrate should be made. View Rotate 180° Actuator Assembly Actuator Red LED Plastic Cover Blue Calibrate Button Figure 4-7. Actuator Assembly 4 – 10 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 47 Now the capacity or volume chan- nel of the PLC can be calibrated. 4 – 11 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 48: Figure 4-8. Overview, Main Menu And Instrument Calibration Screens (Compact Logix Plc)

    Section 4 • Operation Figure 4-8. Overview, Main Menu and Instrument Calibration Screens (Compact Logix PLC) 4 – 12 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 49: Figure 4-9. Slide Calibration Screen (Compact Logix Plc)

    Figure 4-9. Slide Calibration Screen (Compact Logix PLC) Screen colors inverted for ease of reading. Figure 4-10. Photo-chopper Press down on Photo-chopper to release tension from mo- tor shaft. 4 – 13 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 50 “Slide Calibration” screen. The con- troller will automatically energize the actuator and drive it back to its minimum position (below 5%) for pre-start-up. 4 – 14 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 51: Compressor Control With Vission20/20™ Micro-Controller (No Slide Operation)

    Figure 4-11. Vission 20/20 Configuration Screen - I/O Configuration (Page 8) FIgure 4-12. Compressor and Model Setup with Vission 20/20 4 – 15 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 52: Suction Equalizing Line Setup - For Vss/Vsm Compressors

    Suction Equalizing Valve Suction Equalizing Line Figure 4-13. Suction Equalizing Line and Valve NOTE For VSH/VSSH compressors, suction equalizing is automatically controlled. 4 – 16 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 53: Stop/Check Valve Operation

    In the manually ” Open Position”, with the valve stem fully back seated, the valve disc is lifted slightly, allowing flow in either direction. Doesn´t apply to: VSM-97, VSM-113, VSM-127 4 – 17 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 54 4 – 18 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 55: Section 5 • Maintenance/Service

    Section 5 • Maintenance/Service Maintenance and Service Schedule - For VSS/VSM Unit Only Follow this table for maintaining and servicing the compressor unit at hourly intervals. 5 – 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 56: Maintenance And Service Schedule - For Vsh/Vssh Unit Only

    Section 5 • Maintenance/Service Maintenance and Service Schedule - For VSH/VSSH Unit Only Follow this table for maintaining and servicing the heat pump at hourly intervals. 5 – 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 57 Section 5 • Maintenance/Service 5 – 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 58: Preventive Maintenance, Checks And Services

    12. Check oil cooler for any evidence of corrosion, scal- 30. Check setup of soft starts and VFDs. ing or other fouling. 31. Check oil heater operation. 5 – 4 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 59: Compressor Unit Isolation For Maintenance/Service (Compressors With Slide Valves)

    The compressor unit must be isolated and depressurized to atmosphere prior to servicing. Suction Equalizing Valve Suction Equalizing Line Discharge Bleed Valve Figure 5-1. Discharge Bleed Valve, Suction Equalizing Line and Valve 5 – 5 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 60: Recommendations When Servicing (Compressors Without Slide Valves)

    Avoid skin contact with any condensate or oil. Wear rubber gloves and a face shield when working with condensate or oil. Failure to comply may result in serious injury or death. 5 – 6 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 61: Compressor Unit Leak Check After Servicing

    Seek the proper training before proceeding. 5 – 7 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 62: Installation Of The Oil Sampler Valve

    24 hours. Figure 5-3. Oil Sampler Valve (VPN #3708A) Figure 5-2. Oil Analysis Kit (VPN 3097A) For Gas Compression Applications 5 – 8 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 63 Figure 5-4. Oil Sampling Valve (VPN #3709A) For Ammonia and Refrigerant Compressors Button released, valve Button being pressed, closed valve open Figure 5-5. Operating the Oil Sampling Valve 5 – 9 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 64: Oil Sample Analysis Report

    Figure 5-6. Stages of the Oil Sample Taking Process 5 – 10 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 65: Compressor Replacement

    C-flange to compressor. Lock Washer Flat Washer Spherical Frame Shim Washer Assembly Stud Flat Washer Lock Washer Figure 5-7. Compressor Replacement and Hardware Assembly (VSS 2401-3001 Shown) 5 – 11 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 66: Installation

    +/- 0.002”. actuator. 25. Tighten nuts to secure compressor to frame, refer 36. Perform leak check, see Compressor Unit Leak to Appendix A. Check procedure. 5 – 12 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 67: Compressor Inspection

    As a quick reference, Table 5-3 shows maximum applied or fulcrum forces for 36” lever with 6” pivot for all compressor Applied Force models. Figure 5-8. Bearing Axial Clearance Inspection 5 – 13 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 68: Main Rotor Bearing Radial Clearance Inspection

    791, 891, 0.006 1051, 1201, (0.152) (1335) (267) 1301 1501, 1551, 0.007 1801, 1851, (0.178) (1780) (356) 2101 0.006 2401, 2601, 2801, 3001 (0.152) (2670) (534) 5 – 14 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 69: Gaterotor Bearing Inspection

    100 lbs. Force to be determined Rigidly at tach by length of lever arm. dial indicator. Use bolt for fulcrum. Figure 5-10. Gaterotor Bearing Clearance 5 – 15 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 70: Gaterotor Inspection

    Feeler Gauge Stays Must Be Pulled Between Gaterotor Out In This Direc- And Shelf While tion Rotating Figure 5-12. Gaterotor and Shelf Clearance Measurement Steps 5 – 16 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 71: B) Gaterotor Float Measurement

    If clearance measurements are out of tolerance, and Bushing contact Vilter Service Department for further assistance. Gaterotor Support Main Rotor Figure 5-14. Gaterotor Float Dial Location 5 – 17 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 72: C) Gaterotor Backlash Inspection

    See Figure 5-17 for location. Figure 5-16. Alignment of Gaterotor Location for Dial Indicator Magnetic Base Gaterotor Support Gaterotor Shelf Figure 5-17. Location of Dial Indicator Magnetic Base 5 – 18 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 73: Table 5-6. Backlash Range

    Contact Vilter Service Department if the measurement is above the ranges shown on Table 5-6. Fingers Positioning to Move the Gaterotor Back and Forth Displacement Range Figure 5-19. Measuring Backlash 5 – 19 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 74: Important Notes

    VSS 451 thru 601. For the VSS 751 thru 901 and VSS 1051 thru 1301 compressors, use the side rails and assemble to the gaterotor stabilizer as Figure 5-20. Chipped Edge of Gaterotor 5 – 20 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 75: Installation

    Tools removal and installation tool with the pusher shoe must be used. Turn the jacking screw clockwise. 5 – 21 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 76 Replacement blades are precisely the same dimensionally as blades installed originally at factory: Therefore, the same amount of shims will be required for replacement blades. Figure 5-22. Gaterotor Assembly Removal 5 – 22 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 77 Check for 0.003-0.004” (0.076- 0.102 mm) clearance between gaterotor blade and partition. Figure 5-23. Gaterotor Assembly and Tools Figure 5-24. Gaterotor and Shelf Clearance 5 – 23 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 78: Gaterotor Assembly Replacement (Vsm 301-701 Compressors Only)

    On dual gate versions, repeat the procedure for the remaining gaterotor support assembly. Figure 5-25. Gaterotor Assembly Breakdown 5 – 24 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 79 Check for 0.003-0.004” (0.076- 0.102 mm) clearance between gaterotor blade and partition. Figure 5-27. Gaterotor and Shelf Clearance Figure 5-26. Gaterotor Thrust Bearing 5 – 25 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 80: Gaterotor Assembly Replacement (Vsm 97-127 Compressors Only)

    Therefore, the same amount of shims will be required for replacement blades. Figure 5-28. Gaterotor Assembly Removal Check the clearance between the entire gaterotor 5 – 26 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 81 Section 5 • Maintenance/Service Figure 5-29. Gaterotor Assembly (VSM 97-127 Compressors ONLY) 5 – 27 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 82: Gaterotor Disassembly (All Compressors Except Vsm 97-127 Compressors)

    12. Check damper pin and bushing for excessive wear. between gaterotor blade and partition. Replace if required. Figure 5-31. Gaterotor Blade Assembly Figure 5-30. Gaterotor and Shelf Clearance 5 – 28 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 83: Gaterotor Blade Installation

    20. Remove bearings from support. Figure 5-33. Gaterotor Thrust Bearing 21. Remove bearing retainer from inner race. Figure 5-34. Thrust Bearing Installation Figure 5-32. Gaterotor Blade Installation 5 – 29 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 84: Gaterotor Roller Bearing Removal

    Install the snap ring retainer in the housing. The bevel on the snap ring must face away from the roller bearing. 5 – 30 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 85: Gaterotor Disassembly (Vsm 97-127 Compressors Only)

    Check damper pin and bushing for excessive wear. Replace if required. GATEROTOR DAMPER SUPPORT PIN Figure 5-36. Gaterotor Support (VSM 97-127) Figure 5-37. Gaterotor Blade Installation 5 – 31 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 86: Gaterotor Thrust Bearing Removal

    The bevel on the snap ring must face away from the roller bearing. Install Retainer Ring With Beveled Facing Away From Gaterotor Figure 5-38. Gaterotor Thrust Bearing (VSM 97-127) 5 – 32 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 87: Compressor Shaft Seal Replacement

    • Be sure to always keep seal faces face-up, rather than face-down, see image on the right. Figure 5-40. Handling Seal Face with Care 5 – 33 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 88: Compressor Shaft Seal Replacement - For Vss/Vsm Units

    (219B) the Anti-rotation Carbon Component pin in the housing must be removed. See Figure 5-42. Figure 5-41. Compressor Shaft Seal Assembly 5 – 34 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 89 (219C) with drive pin on compressor Shoulder on Compressor Shaft shaft. Shoulder on Compressor Shaft Figure 5-42. Compressor Shaft Seal Installation: Tapered and Straight Shafts 5 – 35 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 90: Compressor Shaft Seal Replacement - For Vsh/Vssh Units

    (219.4), and O-ring (219.2) out of the seal housing using brass drift and hammer. 8. Remove O-ring (260). Figure 5-43. Shaft Seal Breakdown (28985Y & 28985YA) 5 – 36 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 91 (305) out of the shaft seal housing (218). 219B 219C 301A 301B 301C Shaft Stationary Rotating Face Face Figure 5-44. Shaft Seal Breakdown ( 28985W and 28985WA Only 5 – 37 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 92: Prior To Shaft Seal Installation

    3. Clean compressor shaft and shaft seal cavity in compressor housing. 4. Apply clean compressor lubricating oil to the compressor shaft in mating ring seating area, see Figure 5-47. 5 – 38 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 93: Shaft Seal Installation - For Part# 25985Y And 25985Y

    Be sure to align slot in spring holder (219.8) can then be evacuated and leak checked. with drive pin on compressor shaft, see Figure 5-47. Figure 5-43. Shaft Seal Breakdown (28985Y & 28985YA) 5 – 39 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 94: Shaft Seal Installation - For Part# 28985W And 28985Wa

    4. Apply clean compressor lubricating oil to seal 219B 219C 301A 301B 301C Shaft Stationary Rotating Face Face Figure 5-44. Shaft Seal Breakdown ( 28985W and 28985WA Only 5 – 40 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 95: Slide Valve Actuator Assembly Replacement

    Retainers, next loosen and remove Grooved Bolts and Washes that securing actuator assembly to ac- tuator mount. See Figure 5-48 for parts details. Remove actuator assembly from actuator mount. 5 – 41 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 96: Actuator Installation Using Anti-Rotation Bolts

    Groove Bolt Locking Retainer Washer (b) Locking Retainer (a) Groove bolt and washer Complete Assembly E- clip (C) E-clip Figure 5-48. Actuator Installation Using Anti-Rotation Bolts 5 – 42 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 97: Slide Valve Command Shaft Assembly Replacement

    Align the tongue of the command shaft with the groove in the cross shaft Command Shaft Assembly Replacement Figure 5-49. 5 – 43 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 98: Liquid Injection Control Valve Station (Danfoss Icf 20-40 Valve Station)

    Sight Glass (Shown with Covers) Strainer (ICFF) Drain Valve Solenoid Shut-off Valve Manual Stem (ICFS) (ICFO) Figure 5-50. Danfoss ICF 20-40 Valve Station (Liquid Injection Control) 5 – 44 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 99: Table 5-10. Coils For Solenoid Valves (Icfe)

    MAGNETIC TOOL FOR ICM VALVE MANUAL OPERATION 40, 50, AND 65 3389FB ICM 20 SERVICE KIT (VALVE SEAT) 3389FE ICM 25 SERVICE KIT (VALVE SEAT) 3389FF ICM 32 SERVICE KIT (VALVE SEAT) 5 – 45 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 100: Main Rotor Assembly

    * The proof strength of Grade 2 bolts is less for sizes 7/8 and above and therefore the torque values are less than smaller sizes of the same grade. 5 – 46 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 101: Using A Torque Wrench Correctly

    C. Once the lock washer set is tightened down, it takes more force to loosen the bolt that it did to tighten it. This is caused by the washers riding up the opposing ramps. 5 – 47 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 102 5 – 48 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 103: Section 6 • Troubleshooting

    ¾ second go. Each ¾ second the button is held when going through the cali- down counts as another press. bration procedure. 6 – 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 104 Turck Clean an tighten cable. The position sensor has failed. Replace the actuator. There is a broken motor lead Replace the actuator. or winding 6 – 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 105 Stripped gears inside the The motor runs but output shaft will not gear rotor, or the armature Replace the actuator. turn. has come unpressed from the armature shaft. 6 – 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 106: Table 6-2. Slide Valve Actuator Led Blink Codes (1 Of 2)

    Shade the actuator when the cover is off for service and calibration. Do not operate the actuator with the cover off. 6 – 4 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 107 Note 2: The TS1 wire pads are where the motor thermal switch leads solder into the circuit board. They are clearly marked on the board silkscreen legend and are oriented at a 45 degree angle. 6 – 5 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 108: Troubleshooting Guide - General Problems & Solutions

    Check cable connections at device, terminal strips, and PLC input card ture readings for correct wiring and shielding (RF noise). • Check calibration of RTDs and transducers. 6 – 6 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 109 Symptoms: • Slide valve rack or rack shaft damaged • Check balance piston movement • Reference Slide Valve Actuator Troubleshooting Guide • Check I/O fusing 6 – 7 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 110 Check condition of compressor and motor (i.e. alignments) • If there is more than normal motor backspin at shutdown, check suc- Excessive Motor Backspin tion check valve for proper operation. 6 – 8 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 111: Section 7 • Warranty And Parts

    OEM to determine the part/product’s VILTER MANUFACTURING CORPORATION warranty status. 5555 South Packard Avenue Cudahy, WI 53110-8904 7 – 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 113: On-Site Service Support

    • Does not include hand wheels or slide valve motors. stated on the Rebuild Form (i.e. no oil in the compres- sor). Charges may apply if conditions are not met. 7 – 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 114 7 – 4 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 115: Section 8 • Spare Parts List

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 1...
  • Page 116 8 − 2 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 117 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 3...

  • Page 118: Gaterotor

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 4 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 119 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 5...
  • Page 120 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 6 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 121 ** For serial numbers after 5580 Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 7...
  • Page 122 Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. * For serial numbers before 5580 ** For serial numbers after 5580 8 − 8 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 123 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 9...
  • Page 124 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 10 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 125: Shaft Seal

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 11...

  • Page 126: Main Rotor

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 12 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 127 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 13...

  • Page 128: Slide Valve Cross Shafts And End Plate

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 14 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 129 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 15...

  • Page 130: End Plate (Vss 2401 - Vss 3001 Only)

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 16 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 131 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 17...

  • Page 132: Slide Valve Carriage Assembly

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 18 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 133 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 19...
  • Page 134 MANENTLY TIGHT RETAINING RING (2.875 X 0.093) 2867AQ INT BEVELED RETAINING RING (3.500) EXTER- 2866AC NAL BASIC 26114E VOLUME PISTON SLEEVE 26115C PISTON SHAFT GUIDE WASHER 8 − 20 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 135 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 21...

  • Page 136: Miscellaneous Frame Components

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 22 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 137 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 23...
  • Page 138 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 24 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 139: Miscellaneous Frame Components Tubing And Fittings

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 25...
  • Page 140 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 26 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 141 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 27...

  • Page 142: Replacement Tools

    Gaterotor TOOLS A25205B A25205C A25205C A25205E A25205F Gaterotor STABILIZER SET (901A, 901A A25698A A25698A A25698A 901B, 901C) Gaterotor STABILIZER SET (901A, 901B A25699A 901B, 901C, 901D) 8 − 28 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 143: Replacement Parts

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 29...
  • Page 144 8 − 30 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 145 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 31...

  • Page 146: Gaterotor Assembly

    Section 8 • Spare Parts List Gaterotor Assembly 8 − 32 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 147 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 33...

  • Page 148: Shaft Seal

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 34 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 149: Main Rotor

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 35...

  • Page 150: Slide Valve Cross Shafts And End Plate

    Section 8 • Spare Parts List Slide Valve Cross Shafts & End Plate Models VSM 301-401 Counter Clockwise ONLY Models VSM 501-701 Clockwise ONLY 8 − 36 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 151 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 37...

  • Page 152: Slide Valve Carriage Assembly

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 38 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 153 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 39...
  • Page 154 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 40 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 155: Miscellaneous Frame Components

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 41...
  • Page 156 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 42 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 157: Housing Accessories

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 43...

  • Page 158: Replacement Tools

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 44 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 159 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 45...
  • Page 160 Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. 8 − 46 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 161: Kits

    Vilter parts get renewed from time to time, so be sure to ask if the part listed in your manual is still the best for your compressor. Parts that appear on diagrams might be shown separately for reference, but are sold as an assembly or kit only. VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S 8 − 47...
  • Page 162 8 − 48 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 163: Appendix A Torque Specifications

    NOTE: Continue use of red loctite #271 (VPN 2205E) on currently applied locations. Use blue loctite #243 (VPN 2205F or 2205G) on all remaining locations. A − 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 164 A − 2 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 165: Appendix B Vilter Oil

    Accuracy of recommendations is dependent on representative oil samples and complete correct data on both unit and oil * Property values should not be construed as specifications B − 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 166 Fire Point - °F Pour Point - °F -38.2 Pending Floc Point - °F Refrigerant Type R-717 R-717 R-22 R-22 R-134a R-290 R-22 R-507 R-1270 R-404A R-407C R-410A B − 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 167 Hydrocarbon/natural gas 3643B XG 105-100 55 gallon drum Hydrocarbon/natural gas 3653A POE-100 5 gallon pail Air Compressor Lubricant 3653B POE-100 55 gallon drum Air Compressor Lubricant B − 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 168 B − 4 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 169: Appendix C Vibration Measurements - Single Screw Compressor

    Figure C-1. Compressor Bearing Vibration Measurement Location C − 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 170 C − 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 171 • Zone A: The vibration of newly commissioned ma- chines would normally fall within this zone. Figure C-3. Gaterotor Cross-Section VSS/VSR/VSMC Compressors C − 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 172 TRIP values. In general, the TRIP value It is recommended that the ALARM value should not will be within zone C or D, but it is recommended that C − 4 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 173 It is not unusual to have three or four skip frequen- cies within the normal operating ranges of a compressor utilizing a VFD. C − 5 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 174 C − 6 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 175: Appendix D Liquid Injection Valve Setup Instructions And Icm/Icad Motorized Valve Quick Start Guide

    Appendix D • Liquid Injection Valve Setup Instructions and Quick Start Guide Appendix D Liquid Injection Valve Setup Instructions and ICM/ICAD Motorized Valve Quick Start Guide D − 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 176 4: ICM40 with ICAD 900 5: ICM50 with ICAD 900 6: ICM65 with ICAD 900 15. Press the “Circle” button. The valve is now ready to be used. D − 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 178 ICM/ICAD Motorized Valve Installation, Programming, and Troubleshooting Contents Page Installation ....................3 Wiring the ICAD .

  • Page 180: Installation

    ICM/ICAD Motorized Valve Installation, Programming, and Troubleshooting Care should be taken to protect the ICM function module while it is removed from the valve body. 3. Weld the valve body in line making sure the arrow on the valve body is pointing in the direction of flow.

  • Page 181: Wiring The Icad

    ICM/ICAD Motorized Valve Installation, Programming, and Troubleshooting Wiring the ICAD Note: The ICAD is powered by a 24 Volt DC power source. There are two cables pre-mounted and connected to the ICAD motor actuator. Never try to open the ICAD motor because the special moisture seal will be damaged. The power cable consists of 3 wires: •...

  • Page 185: Icad Programming

    ICM/ICAD Motorized Valve Installation, Programming, and Troubleshooting Programming the ICAD When the ICAD motor is first powered, the ICAD display will flash an A1 alarm. This means that the ICM valve size that is being used with the ICAD motor needs to be selected in parameter .

  • Page 186: Troubleshooting

    ICM/ICAD Motorized Valve Installation, Programming, and Troubleshooting Troubleshooting The manual tool should always be ordered with any ICM/ICAD assembly. This tool gives the user the ability to remove the ICAD actuator and manually rotate the valve in the open or close direction depending on need and application.

  • Page 187: Alarms

    ICM/ICAD Motorized Valve Installation, Programming, and Troubleshooting Alarms There are a number of alarms which are excellent indicators of improper installation or set-up: Description Comments alarm text At start-up A1 and CA will be displayed No valve type selected Controller fault Internal fault inside electronics Input error Not applicable if ¡01 =  or ¡02 = ...

  • Page 188: Common Questions

    ICM/ICAD Motorized Valve Installation, Programming, and Troubleshooting What happens in the event of a power failure? Common Questions The ICAD will remain in the position it is in when power is lost. There are two ways to address this condition: •...

  • Page 189: Appendix E Liquid Injection Valve Station Icf 20-40 Installation Guide

    Appendix E • Liquid Injection Valve Station ICF 20-40 Installation Guide Appendix E Liquid Injection Valve Station ICF 20-40 Installation Guide E − 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 190 Installation Guide Valve Station ICF 20-40 Direction and position ICF xx-4 ICF xx-6 ICF xx-4 / ICF xx-6 with ICM Fig. 1a Fig. 1b Fig. 1c Welding Other welding methods TIG/MIG/SMAW welding Inlet and outlet stop valves must be closed all the time before Remove all parts before welding.
  • Page 191 Service and maintenance For both ICF 20 and ICF 25-40 with ICM and ICFE 25-40 Please Note: When used in CO , the o-rings (see fig. 4) on the ICM and ICFE 25-40 modules can swell (grow). At service it is recommend that new o-rings o-rings are installed, before the ICM and ICFE 25-40 function modules are...
  • Page 192 ICF 20 ICFO - manual opening module ICFS - stop valve module ICFR - manual regulating valve module ICFN - stop/check valve module Before remounting the cap on the modules ICFS (stop valve module), ICFR (manual regulating valve module) or ICFN (stop/check valve module) please ensure that the gasket is present in the cap.
  • Page 193 Operating the manual opener on ICFE 25 solenoid module To force open the solenoid by the manual stem turn it counter clockwise full way up. (Manual mode) To operate the solenoid in automatic mode, turn the manual stem clockwise until the locking ring stops. Do not force the spindle further.
  • Page 194 Module location ICF 20-4 In order to supply the ICF valve station best suited for liquid lines and hot gas lines certain function modules are dedicated to specific module ports. Function ICFS 20 - Stop valve module ICFR 20A - Manual regulating valve module ICFF 20 - Filter module ICFE 20 - Solenoid valve module ICFE 20H - Solenoid valve module...
  • Page 195 Module location ICF 25-4 → 40-4 In order to supply the ICF valve station best suited for liquid lines and hot gas lines certain function modules are dedicated to specific module ports. Function ICFS 25-40 - Stop valve module ICFR 25-40 A or B - Manual regulating valve module ICFF 25-40 - Filter module ICFE 25-40 - Solenoid valve module ICFC 25-40 - Check valve module...
  • Page 196 The function modules - ICF 20 ICFS 20 stop valve module ICFR 20 manual regulating valve module 1. Spindle 2. Thread part 1. Spindle 3. AL-gasket 2. Thread part 4. Bonnet 3. AL-gasket 5. Hex-head bolt 4. Bonnet 6. Flange 5.
  • Page 197 The function modules - ICF 20 ICFB 20 blank top cover module ICFN 20 stop/check valve module 1. Hex-head bolt 2. Flange 3. Gasket 1. Spindle 2. Thread part 3. AL-gasket 4. Bonnet 5. Hex-head bolt 6. Flange 7. Gasket ICFF 20E extended filter module ICFA 10 Electronic expansion valve 1.
  • Page 198 The function modules - ICF 25-40 ICFF 25-40 filter module ICFC 25-40 check valve module 1. Al gasket 2. Bonnet 3. Hex-head bolt 4. Flange 1. Bonnet 5. Gasket 2. Hex-head bolt 6. Filter element 3. Flange 7. Plug 1/4” RG or ”...
  • Page 199 The ICF valves are delivered with closed - On ICM 20 motor valve modules check ENGLISH stop valves. that the PEEK seat has not been During Gas welding the modules must be damaged or scratched. If damaged or Installation removed. scratched;...
  • Page 200 E − 12 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...

  • Page 201: Appendix F Hand-Held Slide Valve Calibration Tool

    Appendix F • Hand-Held Slide Valve Calibration Tool Appendix F Hand-Held Slide Valve Calibration Tool F − 1 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 202 Calibrate chanical stop and there is no tension on the motor Button shaft. F − 2 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 203 3001 VSS / VSG United States Phone: 414-744-0111 Parts Fax: 414-744-3483 Parts.Vilter@Emerson.com Web: www.Vilter.com For more product informa- tion and to order online visit: VPI.Emerson.com F − 3 VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 204 F − 4 / Blank VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S...
  • Page 206 Vilter Manufacturing LLC reserves the right to make changes in design and specifications without notice. 35391S Rev. 09A (05/21) Emerson and Vilter are trademarks of Emerson Electric Co. or one of its affiliated companies. ©2021 Emerson Climate Technologies, Inc. All rights reserved.

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