Emerson VILTER MicroVission Operation And Service Manual

Emerson VILTER MicroVission Operation And Service Manual

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MicroVission Controller
Operation and Service Manual • Version 1.3

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Summary of Contents for Emerson VILTER MicroVission

  • Page 1 MicroVission Controller Operation and Service Manual • Version 1.3...
  • Page 3: Standard Vilter™ Warranty Statement

    Buyer’s and its customers’ plants and operations. If the Products are for a gas compression application, this warranty does not apply if the Products are operated in conjunction with a gas with an H S level above 100 PPM. MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 4 Seller will be passed on to those persons who use the Products. Seller’s Products are to be used in their recommended applications and all warning labels adhered to the Products by Seller are to be left intact. MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 5: Important Message

    E-mail: info.vilter@emerson.com Equipment Identification Numbers: Vilter Order Number: _______________________Software Version: _________________ Vilter Order Number: _______________________Software Version: _________________ Vilter Order Number: _______________________Software Version: _________________ Vilter Order Number: _______________________Software Version: _________________ MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 6 4 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 7: Table Of Contents

    Process Temperature Control ......................... 5-3 Discharge Pressure Control ........................5-4 Auto Cycle .............................. 5-5 Active Control Mode ..........................5-10 Load Limiting ............................5-10 Oil Control ............................. 5-12 TOC − 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 8 Analog Aux In 3 ..........................6-17 Analog Aux In 4 ..........................6-18 Analog Aux In 5 ..........................6-18 Analog Aux In 6 ..........................6-19 Analog Aux In 7 ..........................6-19 TOC − 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 9 Compressor VFD ............................ 12-3 Restart on Power Failure ........................12-3 Compressor Identification ........................12-4 Date and Time ............................12-4 Language ............................... 12-5 Alarms and Trips ............................ 12-5 TOC − 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 10 Chart Operation ............................. 17-1 Trend Data Storage ..........................17-2 Trend Setup ............................17-3 Section 18 • Help Screen Overview .............................. 18-1 Screen Features ............................. 18-1 TOC − 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 11 MicroVission - Main Enclosure Electrical Components ................22-2 MicroVission - SBC Assembly ........................22-4 Section 23 • Warranty Claim Processing Warranty Claim Processing ........................23-1 General Warranty Claim Tag ........................23-2 TOC − 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 12 Table B-10. Commands Block .....................B-8 Table B-11. Compressor Control Setpoints Block ................ B-9 Table B-12. Auto Cycle Block ......................B-10 Table B-13. Stop Load & Force Unload Block ................B-11 TOC − 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 13 Walk-Through of Sequencing Loading and Unloading ................D-6 Figure D-4. Compressor(s) Started in Sequencing ............... D-6 Figure D-5. Compressor(s) Load Cycle in Sequencing ..............D-7 TOC − 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 14 Figure D-15. Compressors in Ready to Run State ................ D-18 Appendix E • Abbreviations Used on the MicroVission Panel Screen Abbreviations Used on the MicroVission Panel Screen ................E-1 Table E. Abbreviations Used .........................E-1 TOC − 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 15 Figure 5-2. Compressor Control Screen - Process Temperature Control ..........5-3 Figure 5-3. Compressor Control Screen - Discharge Pressure Control ........... 5-4 Figure 5-4. Compressor Control Screen - Auto Cycle (Suction Pressure) ..........5-5 TOC − 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 16 Figure 10-7. Input/Output States Screen - Freeze Data .................10-4 Figure 10-8. Input/Output States Screen – Freeze Data (Trip Condition) ..........10-5 Figure 11-1. User Access Screen - Login ....................11-1 TOC − 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 17 Figure 19-10. Configuration Screen (Page 3) – Compressor Sequencing Setup ........19-11 Figure 19-11. Compressor Start Dialog – Auto Seq and Seq Stand-By ........... 19-12 TOC − 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 18 Figure 21-1. Condenser Control Setpoints ....................21-1 Figure 21-2. Condenser Step Control ....................21-3 Figure 22-1. MicroVission - Main Enclosure Electrical Components ............22-2 Figure 22-2. MicroVission - SBC Assembly ....................22-4 TOC − 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 19: How To Use This Manual

    Appendix A: Unloaders Appendix B: Communication Tables Appendix C: Remote Control and Monitoring Appendix D: Compressor Sequencing Setup Appendix E: Abbreviations Used on the MicroVission Panel Screen TOC − 13 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 20 14 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 21: Section 1 • Installation Recommendations

    See Figure 1-2: EMI and MicroVission. Figure 1-1. MicroVission with Individual Transformer Figure 1-2. EMI and MicroVission 1 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 22: Grounding

    Figure 1-3. Ground Wiring • If your installation site has wireways or conduit trays, you must install dividers between the different voltages. Figure 1-4. Mixed Voltage Wiring 1 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 23: Wiring Methods

    Figure 1-5: Correct Transformer Wiring method and Figure 1-6: Incorrect Transformer Wiring Method. Figure 1-5. Correct Transformer Wiring Method Figure 1-6. Incorrect Transformer Wiring Method 1 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 24: Best Practices

    4. Each small pilot relay = 25 watts (estimate– read the nameplate for exact load rating). 5. Add load values for panel heaters if used, and heat trace tape if used. 1 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 25: Section 2 • Hardware Architecture Overview

    4 are digital, in that there are only two states available about the board layout see Figure 2-2. either ON or OFF. See board layout, Figure 2-2. 2 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 26: Multi-Io Board Digital I/O

    Compressor Type set in Configuration screen. See Appendix A, Unloaders section for more details. 2 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 27: Table 2-1. Multi-Io Board (Digital I/O)

    Remote Start/ Stop INPUT X4 – 2 Low Oil Level INPUT X4 – 3 High Level Shutdown INPUT X4 – 4 Compressor Motor Auxiliary INPUT 2 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 28: Multi-Io Board Analog I/O

    Auxiliary Output screen. can be used to control Condenser VFD Fan. Filter In Pressure • Default signal is 4-20mA. Filter In pressure transducer 2 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 29: Multi-Io Board Analog Input Jumper Tables

    JP - 33 JP - 34 JP - 35 JP - 36 0-5 VDC 0-5 VDC 4-20 mA 4-20 mA Analog Analog ICTD ICTD Input 10 Input 9 0-10 VOLT 0-10 VOLT 2 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 30: Digital In-Out Board

    Orange color. These LEDs indicate the correct voltage of both the 5V DC and 24V DC pow- er sources. Figure 2-3. Digital Input-Output Board Layout 2 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 31: Digital In-Out Board I/O

    Auxiliary Input #1 INPUT X2 – 2 Auxiliary Input #2 INPUT X2 – 3 Auxiliary Input #3 INPUT X2 – 4 Auxiliary Input #4 INPUT 2 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 32: Analog Input Board

    Orange color. These LEDs indicate the correct voltage of both the 5V DC and 24V DC pow- er sources. Figure 2-4. Analog Input Board Layout 2 – 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 33: Analog Input Board I/O

    Auxiliary Input #7 INPUT 0-5 V, 0-10 V, 4-20 mA, RTD, ICTD X4 – 5 Auxiliary Input #8 INPUT 0-5 V, 0-10 V, 4-20 mA, RTD, ICTD 2 – 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 34: Analog Input Board Jumper Tables

    JP - 13 JP - 14 JP - 15 JP - 31 0-5 VOLT 0-5 VOLT 1-5 VOLT 1-5 VOLT 0-10 VOLT 0-10 VOLT Analog Analog Input 4 Input 5 4-20 mA 4-20 mA ICTD ICTD 2 – 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 35 4-20 mA Analog (regulated) to “supply” Input 8 ICTD terminal (25mA limit) • Position 3 = sends +5VDC (regulated) to “supply” ACTUATOR terminal POTENTIOMETER OUT 2 – 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 36: Advisory For First Generation Microvission Panels

    All newer programs will require this jumper as well, and it will be factory installed in the newer versions of the panel. Figure 2-5. Jumper J4 on the Processor Board 2 – 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 37: Section 3 • Main Screen Overview

    It also for Maintenance displays the Run Hours and Activities and Active the currently logged In user Safety Messages. Figure 3-1. Main Screen 3 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 38: Top Status Bar

    The user will see the status bar and then one or more information bars in a repetitive sequence. Figure 3-2. Top Status Bar 3 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 39: Parameters Bar

    “Start” button and then the “Re- When pressed, stops the compressor in all cases. mote” button when the start dialog box appears. Figure 3-3. Parameters Bar 3 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 40: Control Parameters Box

    This is calculated as Oil Manifold Pressure minus Suction Displays the current motor current. Pressure. Press Ratio Displays ratio of Absolute Discharge Pressure to Abso- lute Suction Pressure. Figure 3-4. Start Dialog Box 3 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 41: Bottom Status Bar

    • Compressor Run Hours read and access to the program information is also pro- • Current Date vided. • Current Time Figure 3-5. Bottom Status Bar 3 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 42: Splash Screen

    “+” or “-“ button respectively only after 5 See Figure 3-7. seconds. Figure 3-7. Splash Screen Figure 3-8. Manual Run Mode Buttons and Progress Bar 3 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 43: Progress Bar

    VFD output is at 4 mA, and VFD Load Percentage is 100 when the VFD output is at 20 mA. Figure 3-9. Pumpdown Operation Running Icon 3 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 44: Figure 3-10. Pulldown Operation Running Icon

    Section 3 • Main Screen Figure 3-10. Pulldown Operation Running Icon Figure 3-11. Compressor Sequencing Icon 3 – 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 45: Figure 3-12. Condenser Control Operation Running Icon

    Section 3 • Main Screen Figure 3-12. Condenser Control Operation Running Icon 3 – 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 46 3 − 10 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 47: Section 4 • Menu Screen Overview

    Figure 4-1. Menu Screen 4 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 48 This option will be only avail- Main able when Compressor Sequencing option is enabled from Configuration Screen Page 3. Navigates back to the Main screen. 4 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 49: Section 5 • Compressor Control Overview

    These values are categorized as Setpoint 1 and Setpoint 2. Active Control Mode decides which set of values will be used to control the compressors. 5 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 50: Suction Pressure Control

    Once the load interval time is lapsed, the control algorithm will again Figure 5-1. Compressor Control Screen - Suction Pressure Control 5 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 51: Process Temperature Control

    Once the load interval time is lapsed, the control algorithm Figure 5-2. Compressor Control Screen - Process Temperature Control 5 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 52: Discharge Pressure Control

    Once the load interval time is lapsed, the control algorithm will Figure 5-3. Compressor Control Screen - Discharge Pressure Control 5 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 53: Auto Cycle

    • Start Pressure: When the suction pressure is equal to or greater than this setpoint, the compressor will start. Figure 5-4. Compressor Control Screen - Auto Cycle (Suction Pressure) 5 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 54 Setpoint 1 Stop Pressure to stop the compressor pressor on Auto Cycle. on Auto Cycle. Figure 5-5. Compressor Control Screen - Auto Cycle (Suction Pressure) with Pulldown Running 5 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 55 “Stop Temperature”. Figure 5-6. Compressor Control Screen – Auto Cycle (Process Temperature) 5 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 56 Setpoint 1 Stop Temperature to stop the com- compressor on Auto Cycle. pressor on Auto Cycle. Figure 5-7. Compressor Control Screen – Auto Cycle (Process Temperature) with Pulldown Running 5 – 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 57 “Stop Pressure”. Figure 5-8. Compressor Control Screen - Auto Cycle (Discharge Pressure) 5 – 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 58: Active Control Mode

    Figure 5-9. Compressor Control Screen – Active Control Mode - I/O Based Setpoint Control 5 – 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 59 Figure 5-10. Compressor Control Screen - Load Limiting 5 – 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 60: Oil Control

    100 °F, the oil heater will turn ON at 98 °F and turn OFF at 102 °F. Figure 5-11. Compressor Control Screen - Oil Control 5 – 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 61: Compressor Variable Frequency Drive(Vfd) Control

    Please consult your VFD manual. Total Capacity Figure 5-12. Compressor Control Screen - VFD Settings Control 5 – 13 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 62: Pumpdown Control

    Auto-cycle Stop setpoint by automatically ignoring the Auto- cycle feature. Figure 5-13. Compressor Control Screen – Pumpdown Control 5 – 14 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 63 Pumpdown Stop Pressure Setpoint. Also, If the Control Mode is changed while Pumpdown is running, the Pumpdown Operation will stop running. 5 – 15 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 64: Pulldown Control

    Pulldown Stop Temperature Setpoint during Compressor Start, Pulldown Operation will not start. Figure 5-14. Compressor Control Screen – Pulldown Control (Active Control Mode – Suction Pressure SP1) 5 – 16 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 65 Pulldown Operation is running. Figure 5-15. Compressor Control Screen – Pulldown Control (Active Control Mode – Process Control SP1) 5 – 17 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 66 Pulldown feature. This is done to keep the Pulldown and Pumpdown features mutually exclusive. 5 – 18 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 67: Section 6 • Alarms And Trips Screen

    All Inhibits, Alarm and Trip conditions are logged in the Event List so the operator can get the complete opera- tional history. The operator can access the Event List from the Menu screen. 6 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 68: Alarms & Trips Setpoints

    This screen provides three different pages to configure Alarm and Trip setpoints along with corresponding delay tabs for configuration of delay time. Figure 6-1. Alarms and Trips Setpoints (Page 1) 6 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 69 Section 6 • Alarms and Trips Figure 6-2. Alarms and Trips Setpoints (Page 2) Figure 6-3. Alarms and Trips Setpoints (Page 3) 6 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 70: Microvission Safety Messages

    Temperature Alarm Temperature Alarm Temperature Trip Setpoint 1 / Setpoint 2 Setpoint 1 / Setpoint 2 Setpoint 1 / Setpoint 2 Setpoint 1 / Setpoint 2 6 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 71: High Process Temperature

    Discharge Temperature >= High >= High Discharge >= High Discharge >= High Discharge Discharge Temperature Alarm Temperature Alarm Temperature Alarm Temperature Trip Setpoint Setpoint Setpoint Setpoint 6 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 72: Low Crankcase Oil Temperature - Start

    Oil Temperature >= High High Crankcase Oil High Crankcase Oil High Crankcase Oil Crankcase Oil Temperature Temperature Alarm Temperature Alarm Temperature Trip Alarm Setpoint Setpoint Setpoint Setpoint 6 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 73: Low Oil Pressure Diff

    High Filter Diff. Pressure Filter Diff. Pressure – Start Alarm High Filter Diff. Pressure Pressure – Start Alarm – Start Alarm Setpoint Setpoint – Start Trip Setpoint Setpoint 6 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 74: High Filter Diff. Pressure - Run

    Discharge Pressure Alarm Alarm Setpoint 1 / Pressure Alarm Trip Setpoint 1 / Setpoint Setpoint 1 / Setpoint 2 Setpoint 2 Setpoint 1 / Setpoint 2 6 – 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 75: High Discharge #2 Temperature

    When Motor Auxiliary Contact Opens when Compressor is Running. Compressor Interlock Compressor Interlock Inhibit Trip Motor Auxiliary Contact Fails Motor Auxiliary Contact to Close when Compressor is Opens when Compressor Starting is Running 6 – 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 76: High Level Shutdown

    Measured Motor Current Value is greater than Maximum Load Rating in Amperes. False Start Motor Auxiliary Contact is Closed Motor Amperage > 20 % Maximum Amps 6 – 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 77: Io Comm

    Low Discharge Temperature Low Discharge Temperature Warning Inhibit Temperature Trip Discharge Temperature Discharge Temperature <= -100 Discharge Temperature <= -100 °F °F <= -100 °F 6 – 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 78: Low Oil Filter In Pressure

    Low Discharge 2 Temperature Inhibit Temperature Warning Temperature Trip Discharge 2 Temperature Discharge 2 Temperature <= Discharge 2 Temperature <= -100 °F -100 °F <= -100 °F 6 – 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 79: Auxiliary Safety Messages

    Auxiliary safety parameters. The names of safeties depend on the Auxiliary name config- ured in Configuration screen. Figure 6-4. Digital Inputs (Auxiliary I/O Screen) 6 – 13 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 80: Digital Aux In 1

    “Alarm if OFF” and “Trip if OFF” and Digital Digital Aux In 2 is LOW Digital Aux In 2 is LOW Aux In 2 is LOW 6 – 14 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 81: Digital Aux In 3

    “Alarm if OFF” and “Trip if OFF” and Digital Digital Aux In 4 is LOW Digital Aux In 4 is LOW Aux In 4 is LOW 6 – 15 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 82: Analog Aux In 1

    <= Low Alarm <= Low Trip Alarm Alarm “Both” and Analog Aux In 1 “Both” and Analog Aux In 1 >= High Alarm >= High Trip 6 – 16 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 83: Analog Aux In 2

    <= Low Alarm <= Low Trip Alarm Alarm “Both” and Analog Aux In 3 “Both” and Analog Aux In 3 >= High Alarm >= High Trip 6 – 17 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 84: Analog Aux In 4

    <= Low Alarm <= Low Trip Alarm Alarm “Both” and Analog Aux In 5 “Both” and Analog Aux In 5 >= High Alarm >= High Trip 6 – 18 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 85 <= Low Alarm <= Low Trip Alarm Alarm “Both” and Analog Aux In 7 “Both” and Analog Aux In 7 >= High Alarm >= High Trip 6 – 19 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 86: Analog Aux In 8

    <= Low Alarm <= Low Trip Alarm Alarm “Both” and Analog Aux In 8 “Both” and Analog Aux In 8 >= High Alarm >= High Trip 6 – 20 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 87: Result Variable Safety Messages

    OFF” and Digital Variable “Start if OFF” and Digital “Alarm if OFF” and Digital if OFF” and Digital Variable is is LOW Variable is LOW Variable is LOW 6 – 21 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 88: Analog Result Variable

    Analog Variable >= High Variable <= Low Alarm <= Low Trip Alarm Alarm “Both” and Analog “Both” and Analog Variable Variable >= High Alarm >= High Trip 6 – 22 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 89: Section 7 • Timers Overview

    Timers will get monitored. A general timer requiring the time to be expire before the listed event can occur. Figure 7-1. Timers Screen (Page 1) 7 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 90 Pressure – Run” safety setpoints will become active. “Timed” is configured in Restart on Power Failure in con- figuration screen. Figure 7-2. Timers Screen (Page 2) 7 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 91 The operator will be able to modify Hot Starts per Hour setpoint only if “Hot Starts” option is set for Anti-Recycle setting in the Configuration screen. 7 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 92 7 − 4 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 93: Section 8 • Instruments Calibration Overview

    Here the operator defines the signal type and range transmitted by the Instrument. The op- erator can select from several predefined ranges in the drop-down list or enter a value. 8 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 94: Analog Inputs - Pressure

    Filter Out Figure 8-1. Instrument Calibration Screen Page 1 – Analog Inputs (Suction Pressure) Figure 8-2. Instrument Calibration Screen Page 1 – Analog Inputs (Discharge Pressure) 8 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 95 Figure 8-3. Instrument Calibration Screen Page 1 – Analog Inputs (Oil Pressure) Figure 8-4. Instrument Calibration Screen Page 1 – Analog Inputs (Filter In Pressure) 8 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 96 On the Instrument Calibration Screen Page 2, the opera- • Oil Temperature tor can calibrate following temperature sensors. Figure 8-6. Instrument Calibration Screen Page 2 – Analog Inputs (Suction Temperature) 8 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 97 Section 8 • Instruments Calibration Figure 8-7. Instrument Calibration Screen Page 2 – Analog Inputs (Discharge Temperature) Figure 8-8. Instrument Calibration Screen Page 2 – Analog Inputs (Oil Temperature) 8 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 98: Analog Inputs

    In this case re-enter the desired value and the displayed value should get progressively closer. Figure 8-9. Instrument Calibration Screen Page 3 – Analog Inputs (Motor Current) 8 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 99: Process Temperature Or Pressure

    Custom Device as well as Offset and Range Calibration features as described for the standard Pressure and Temperature Inputs. Figure 8-10. Instrument Calibration Screen Page 3 – Analog Inputs (Process Temperature) 8 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 100: Auxiliary Inputs

    “Units” dropdown box then set the minimum and maximum value for the scale. Figure 8-11. Instrument Calibration Screen Page 4 – Auxiliary Inputs 8 – 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 101 Section 8 • Instruments Calibration Figure 8-12. Instrument Calibration Screen Page 5 – Auxiliary Inputs 8 – 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 102: Analog Outputs

    Offset (mA) to adjust the output. Figure 8-13. Instrument Calibration Screen Page 6 – Auxiliary Outputs 8 – 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 103 Section 8 • Instruments Calibration Figure 8-14. Instrument Calibration Screen Page 6 – Auxiliary Outputs Disabled 8 – 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 104 8 − 12 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 105: Section 9 • Event List Overview

    Figure 9-1. Event List Screen 9 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 106 9 − 2 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 107: Section 10 • Input / Output States Screen Overview

    Freeze pages can be saved. The oldest Freeze page will be removed when more than five Freeze events occur. Figure 10-1. Input/Output States Screen Page 1 - Live I/O Data 10 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 108 Section 10 • Input / Output States Screen Figure 10-2. Input/Output States Screen Page 2 - Live I/O Data Figure 10-3. Input/Output States Screen Page 3 – Live I/O Data 10 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 109 Section 10 • Input / Output States Screen Figure 10-4. Input/Output States Screen Page 4 – Live I/O Data Figure 10-5. Input/Output States Screen Page 5 – Live I/O Data 10 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 110 Section 10 • Input / Output States Screen Figure 10-6. Input/Output States Screen Page 6 – Live I/O Data Figure 10-7. Input/Output States Screen - Freeze Data 10 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 111 Section 10 • Input / Output States Screen Figure 10-8. Input/Output States Screen – Freeze Data (Trip Condition) 10 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 112 10 − 6 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 113: Section 11 • User Access Overview

    Therefore, this access is restricted to those only with the highest level of competence. Figure 11-1. User Access Screen - Login 11 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 114: Login

    This entry box is for operator’s password. The password can be entered by touching the password entry box and entering the password via pop-up keyboard. Figure 11-2. User Access Screen - Manage Accounts 11 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 115: Screen Security Levels

    Level 3 or Level 4 required for constraints VNC Account Level 3 Compressor Sequencing Level 2 Auxiliary I/O Level 2 Condenser Control Level 1 Level 3 required for constraints 11 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 116 11 − 4 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 117: Section 12 • Configuration Screen Overview

    Cylinders”. For more information about Unloaders, micro controller on an existing compressor with a see Appendix: Unloaders. new MicroVission. Figure 12-1. Configuration Screen (Page 1) 12 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 118: Compressor Control

    Oil Filter Differential Pressure will not get calculated. Safeties related to “High Filter Differential Pressure” will not be active. 12 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 119: Anti Recycle

    Auto mode. logged. Never: When selected, prevents any automatic action once the panel powers back up after a power failure. 12 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 120: Compressor Identification

    Digital Output #1 to #4. The selected 12 hours clock. output will be renamed to Condenser Out 1 to 4. Figure 12-2. Configuration Screen (Page 2) 12 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 121: Language

    Auxiliary Digital Output availability for regulating Condenser fan / Digital Output #4 pump #4 Auxiliary Analog Output availability for regulating Condenser VFD Analog VFD Output Speed 12 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 122: Direct I/O

    “Remote” option in pop-up window. Table 12-3. Direct I/O Setup Direct I/O Cap Hold Control Auxiliary Analog Input Board Enabled Auxiliary Analog Input availability for reading Remote Capacity % 12 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 123: Serial (Modbus Rtu)

    Data Bits: Fixed at 8 Data bits. • Stop Bits: Identifies the end of character for re-synchronizing. • Parity: Identifies the type of error detection. Figure 12-3. Configuration Screen - Communication 12 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 124: Compressor Sequencing

    If value set in second dropdown box is “None”, that row will be displayed blank on Main screen. Figure 12-4. Configuration Screen – Configurable Main Screen Settings 12 – 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 125 Section 12 • Configuration Screen Figure 12-5. Configurable Parameters on Main Screen 12 – 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 126: Digital Inputs

    Allows the operator to assign a name to the input. Allows the operator to assign a name to the output. Figure 12-6. Configuration Screen – Aux Analog and Aux Digital Inputs Configuration 12 – 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 127 Section 12 • Configuration Screen Figure 12-7. Configuration Screen – Aux Analog and Aux Digital Outputs Configuration 12 – 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 128: Virtual Digital Inputs

    Allows the operator to assign a name to the input. Allows the operator to assign a name to the virtual input. Figure 12-8. Configuration Screen – Virtual Analog and Virtual Digital Inputs Configuration 12 – 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 129: I/O Configuration

    Analog Input 1: Enables the optional Analog Input card 1. • Digital Input/Output 1: Enables the optional Digital Input/Output card 1. Figure 12-9. Configuration Screen - I/O Configuration 12 – 13 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 130 12 − 14 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 131: Section 13 • Data Backup Overview

    • The Refresh button is used to initiate a scan of the USB ports and list any devices found in the “Available Devices” window. Figure 13-1. Data Backup Screen - Save/Load 13 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 132: Available Devices

    Once a zip file is selected, the name will be shown in MicroVission according to the selection of options. the “Filename” window. Figure 13-2. Data Backup Screen - Migrate and Factory Reset 13 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 133: Factory Reset

    Generate: • This button initiates the process to generate set- points report files. Figure 13-3. Data Backup Screen - Setpoints Report 13 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 134: Database Backup Procedure

    • SanDisk micro cruzer 2.0 GB • Imation 2.0GB • Kingston DataTraveler 512 MB • SanDisk mini cruzer 128 MB 13 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 135 “Restore” function – then re-enter your commu- Temperature, Discharge Temperature, Oil nication settings. Temperature & Process Temperature. 10. Instrument Calibration – Motor Current Settings. 11. Compressor Runtime. 13 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 136 Insure that the Suction Pressure transducer range is properly selected (typically 0-200psia 4-20mA) – but double check proper setting. Figure 13-4. SD Card Replacement 13 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 137: Section 14 • Maintenance Screen Overview

    Inspection/Maintenance This column lists down all the maintenance Items. Figure 14-1. Maintenance Screen - Chart 14 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 138 Figure 14-3. Figure 14-2. Maintenance Screen – Information Icon Figure 14-3. Maintenance Screen – Information Dialog Box 14 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 139 Figure 14-5. Figure 14-4. Maintenance Screen – Maintenance Due Soon Figure 14-5. Maintenance Screen – Maintenance Overdue 14 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 140 Refer to Figures 14-7 & 14-10. Figure 14-7. Maintenance Screen – Maintenance Screen – Maintenance Sign-Off 14 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 141 “OK” to save it and add it to the Maintenance Log. Figure 14-8. Maintenance Screen – Custom Maintenance Task Pop-up 14 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 142: Notes Tab

    “Edit Line” button to modify mainte- nance notes. Figure 14-9. Maintenance Screen – Notes 14 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 143: Log Tab

    Lists the time the maintenance task was performed. User Lists the name of the operator who performed the main- tenance task. Figure 14-10. Maintenance Screen – Log 14 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 144 14 − 8 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 145: Section 15 • Compressor Scheduling Overview

    Figure 15-1. Compressor Scheduling Screen 15 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 146 15 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 147: Section 16 • Service Options Overview

    Heater. The output is connected to terminal X2-3 and is the 7th LED on the Multi-IO Board. Figure 16-1. Service Options Screen Page 1 – Digital Outputs 16 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 148 Output 2. The output is connected to terminal X1-2 and LED on Digital Auxiliary-IO Board. Figure 16-2. Service Options Screen Page 1 – Occupied Digital Outputs Disabled 16 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 149: Analog Outputs

    Sets the analog output assigned to the Analog Auxiliary Output 3. The output is connected to X13-1 on Multi-IO Board. Figure 16-3. Service Options Screen Page 2 – Analog Outputs 16 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 150 Section 16 • Service Options Figure 16-4. Service Options Screen Page 2 – Occupied Analog Outputs Disabled 16 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 151: Section 17 • Trend Chart Overview

    120 hours of trend data will be available on the screen and the Zoom Out button will be inactive. Figure 17-1. Trend Chart Screen 17 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 152: Trend Data Storage

    Setup This button allows the operator to open the Trend Setup screen. This button is inactive when the trend feature is running. 17 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 153: Trend Setup

    The default option is saving on the Hard-Disk, but a USB drive will appear as an option as long as it has already been mounted on the panel. Figure 17-2. Trend Setup Screen 17 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 154 17 − 4 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 155: Section 18 • Help Screen Overview

    The operator can scroll the list of manuals vertically by swiping a finger up and down on list area to scroll down and scroll up, respectively. Figure 18-1. Help Screen 18 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 156 Next: • This button allows the operator to go to the next page of the selected manual. Figure 18-2. Help Screen in Full Screen Mode 18 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 157 When the List of Manuals is hidden, pressing this but- ton allows the operator to show the list of manuals. See Figure 18-3. Figure 18-3. Help Screen with List of Manuals Hidden 18 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 158 See Figure 18-4. • This button allows the operator to close the help screen. Figure 18-4. Version Pop-up Screen in Help Screen 18 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 159: Section 19 • Compressor Sequencing Overview

    The same Equipment name might be configured with the different IP Address in the sequencing table. Figure 19-1. Compressor Sequencing Screen – Sequencing Setup Screen 19 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 160: Status Symbols

    Compressor running into its stop timer, will be stopped. Compressor running into its start timer, will be started. Compressor is next in sequence for unloading. 19 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 161: Suction Pressure Control Setpoint

    If suction pressure surpass- Sequencing mode. es stop offset setpoint and compressor capacity has Figure 19-2. Compressor Sequencing Screen – Setpoints Configuration 19 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 162 (i.e should not stop and keep running with min load). Figure 19-3. Compressor Sequencing Screen – Control Mode Change 19 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 163: Sequencing Control Mode

    • Displays the IP Address of the other Compressor. into compressor sequencing event log. Figure 19-4. Compressor Sequencing Screen - Devices List 19 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 164: View Detected Devices

    • This button allows the addition of Detected • Displays the Name of the Detected Device. MicroVission devices as other Compressors. Figure 19-5. Compressor Sequencing Screen – Detected Devices 19 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 165: Delete Device

    Sequencing Network. deleted compressor will be reset to its own compressor entry in the device list. Figure 19-6. Compressor Sequencing Screen – Confirm Delete Device 19 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 166 Section 19 • Compressor Sequencing Figure 19-7. Compressor Sequencing Screen – Select Delete Device 19 – 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 167: Test Connection

    By Clicking the Test Connection button, the connection result is displayed as shown in Figure 19-8. Figure 19-8. Compressor Sequencing Screen – Test Connection 19 – 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 168: Compressor Sequencing Events Log

    Events List Columns Date: Displays the date of the event in MM-DD-YYYY format. Figure 19-9. Compressor Sequencing Screen – Compressor Sequencing Events Log 19 – 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 169: Configuration Overview

    5. Set up the Gateway address (MUST DO!). 6. Assign a unique Ethernet IP address. 6. Assign a Name for each compressor. Figure 19-10. Configuration Screen (Page 3) – Compressor Sequencing Setup 19 – 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 170 Auto Seq or Seq Stand-by option, see Figure 19-11. Figure 19-11. Compressor Start Dialog – Auto Seq and Seq Stand-By 19 – 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 171 Section 19 • Compressor Sequencing Figure 19-12. Main Window – Auto Seq Stand-By Figure 19-13. Main Window – Auto Seq (Full Load) 19 – 13 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 172 19 − 14 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 173: Section 20 • Auxiliary I/O Overview

    The input will simply be available to view at the panel or by communications. Figure 20-1. Auxiliary I/O Screen - Digital Inputs (Page 1) 20 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 174: Digital Outputs

    Enable Timer Expired Timer Selecting this checkbox enables the function that con- trols the digital output when activated based on the ON Time and OFF Time. 20 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 175 Section 20 • Auxiliary I/O Figure 20-2. Auxiliary I/O Screen - Digital Outputs (Page 2) Figure 20-3. Auxiliary I/O Screen - Digital Outputs Latching Enabled with Timer (Page 2) 20 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 176 Section 20 • Auxiliary I/O Figure 20-4. Auxiliary I/O Screen - Digital Outputs Latching Enabled with Digital Input (Page 2) 20 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 177: Analog Inputs

    • Inhibit: Selecting this checkbox will prevent a start if the input value exceeds the alarm limit values. Figure 20-5. Auxiliary I/O Screen – Analog Inputs (Page 3) 20 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 178: Analog Outputs

    I + (Reset) = 1 Interval = 1 sec I – (Reset) = 1 Negative Error = Disabled D = 1 Inverse (20 – 4 mA) = Disabled 20 – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 179 10 second time interval. I – (Reset) = 1 Negative Error = Disabled D = 1 Inverse (20 – 4 mA) = Enabled 20 – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 180 Input range for a configured active input. Figure 20-6. Auxiliary I/O Screen – Analog Outputs PID Control (Page 4) Figure 20-7. Auxiliary I/O Screen – Analog Outputs Scalable Control (Page 4) 20 – 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 181: Auxiliary Io Result Variables

    Figure 20.13 shows the properties of Digital Safety Block the properties of Analog Variable Block. box. Figure 20-8. Auxiliary I/O Screen – Result Variables – Start Properties (Page 5) 20 – 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 182 Figure 20-9. Auxiliary I/O Screen – Result Variables – Analog Variable Block Properties (Page 5) Figure 20-10. Auxiliary I/O Screen – Result Variables – Decision Block Properties (Page 5) 20 – 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 183 Figure 20-11. Auxiliary I/O Screen – Result Variables – Digital Variable Block Properties (Page 5) Figure 20-12. Auxiliary I/O Screen – Result Variables – Analog Safety Block Properties (Page 5) 20 – 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 184 Section 20 • Auxiliary I/O Figure 20-13. Auxiliary I/O Screen – Result Variables – Digital Safety Block Properties (Page 5) 20 – 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 185: Section 21 • Condenser Control Overview

    VFD between the fan and pump steps, while maintaining a condenser pressure that matches the set point. Figure 21-1. Condenser Control Setpoints 21 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 186: Condenser Control Set Points

    Similarly when ambient tempera- ed) reaches 4mA in its normal range of 4-20 mA. ture is above the ambient temperature setpoint, sum- mer profile is used. 21 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 187 This selection is inactive when Summer/Winter Auto Switch is enabled. Figure 21-2. Condenser Step Control 21 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 188: Step Control

    Low Speed Fan delay is satisfied. Note that, if the out- put selected as Low Speed Fan was already on then High to Low Speed Fan delay will not get considered. 21 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 189: Section 22 • Parts

    Oil Filter Cover Gasket. Also note that the Oil Filter Cover Gasket can be ordered separately. Vilter Aftermarket Parts Contact Information Phone 1-800-862-2677 1-800-862-7788 E-mail Parts.Vilter@Emerson.com Website http://www.emersonclimate.com/en-us/services/aftermarket/vilter_aftermarket_ parts/pages/vilter_aftermarket_parts.aspx 22 – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 190 +DC4 LIVE LOAD +24DC +DC3 LIVE LOAD +24DC +DC2 LIVE LOAD +24DC +DC1 LIVE LOAD 1, 2 Figure 22-1. MicroVission - Main Enclosure Electrical Components 22 – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 191: Microvission - Main Enclosure Electrical Components

    240V - SOCKET RELAY 2 POLE 240VAC 3669ZS-240V TERMINAL BLOCK CDU 2.5 DECA DIN 3485TB EMI FILTER 3485EMF FERRITE BEAD CORE 3485FBC EMERGENCY STOP SWITCH 3485H 22 – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 192 RIGHT VIEW ENCLOSURE DOOR CONTROLLER COVER PLATE TOUCH SCREEN DISPLAY CONTROLLER CIRCUIT BOARD CONTROLLER MOUNTING PLATE INSIDE DOOR VIEW Figure 22-2. MicroVission - SBC Assembly 22 – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 193: Microvission - Sbc Assembly

    CPU BOARD, BASEBOARD, MOUNTING PLATE, AND 10” DISPLAY 3669MLA (INCLUDES VPN 3669MCA + 3669MDA) .CPU AND BASEBOARD 3669MCA .DISPLAY ASSEMBLY (LESS CPU BOARD),10” INDOOR/OUTDOOR, AND MOUNTING 3669MDA PLATE RESISTIVE TOUCHSCREEN 10” 3669J 22 – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 194 22 − 6 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 195: Section 23 • Warranty Claim Processing

    If you wish to have the part(s) returned, you will need to contact Vilter™ and the part(s) will be returned freight collect. 23 - 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 196 Section 23 • Warranty Claim Processing 23 - 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 197 TYPE19 3 cylinders with 33%, 66% unloading. Single cylinder on Unloader Output #1 and Output #2 TYPE20 7 cylinders with 14%, 29%, 43%, 57% unloading. Single cylinder on Unloader Output #1 A – 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 198 Unloading Percentage: 25%, 50% * % Load Compressor Start Output Unloader Output #1 Unloader Output #2 % Unload 0 (OFF) * 0 = output OFF 1 = output ON A – 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 199 Unloader Output #3 % Load Compressor Start Output % Unload (single cylinder) (double cylinder) (double cylinder) 0 (OFF) * 0 = output OFF 1 = output ON A – 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 200 Unloading Percentage: 33% * Unloader Output #1 % Load Compressor Start Output % Unload (single cylinder) 0 (OFF) * 0 = output OFF 1 = output ON A – 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 201 Output #1 Output #2 % Unload (double (double (single cylinder) (single cylinder) cylinder) cylinder) 0 (OFF) * 0 = output OFF 1 = output ON A – 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 202 Unloader Output #2 % Load Compressor Start Output % Unload (single cylinder) (double cylinder) 0 (OFF) * 0 = output OFF 1 = output ON A – 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 203 Unloader Output #3 % Load Compressor Start Output % Unload (single cylinder) (double cylinder) (double cylinder) 0 (OFF) * 0 = output OFF 1 = output ON A – 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 204 A − 8 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 205 0 = OFF, 1 = ON Read N51:11 40041 Auxiliary Output#3 0 = OFF, 1 = ON Read N51:12 40042 Auxiliary Output#4 0 = OFF, 1 = ON Read B − 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 206 Read N53:3 40103 Standard Analog Output #3 F-INT Read N53:4 40104 Standard Analog Output #4 F-INT Read N53:5 40105 Standard Analog Output #5 F-INT Read B − 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 207 Bit 5 = Run Permissive N55:12 40152 Remote Lock Mode 0 = OFF, 1 = ON Read N55:13 40153 Runtime Hours (x1000) Read N55:14 40154 Runtime Hours (1-999) Read B − 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 208 Bit 13 = Unused Bit 14 = High Filter Differential Pressure Alarm Bit 14 = Unused Bit 15 = High Motor Current Alarm Bit 15 = Unused B − 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 209 Bit 13 = Unused Bit 14 = Low Discharge Pressure Warning Bit 14 = Unused Bit 15 = Low Discharge Temperature Warning Bit 15 = Unused B − 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 210 Bit 13 = Unused Bit 14 = High Level Shutdown Inhibit Bit 14 = Unused Bit 15 = Low Discharge Pressure Inhibit Bit 15 = Unused B − 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 211 Bit 13 = Unused Bit 14 = High Level Shutdown Trip Bit 14 = Unused Bit 15 = High Motor Amps Trip Bit 15 = Unused B − 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 212 1 = Enable Write NOTE Commands: Start Command – starts the compressor in the currently active control mode. If anti-recycle time exists, this command will fail. B − 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 213 40209 Press, Process Control, Discharge (1, 1, 1) Write 600, 5) Press) 0 = Disable N57:10 40210 IO Based Setpoint Control Read 1 = Enable B − 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 214 (1, 1, 1) 3600, Write 3600) Minimum Load Shutdown Timer Enable/ 0 = Disable N58:9 40229 Disable (Suction Press, Process Control, Read 1 = Enable Discharge Press) B − 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 215 40282 Stop Pressure Setpoint #2 F-INT Read-Write -15.0 200.0 Stop Delay Time Setpoint #2 N62:3 40283 Read-Write (seconds) 0 = Stop, N62:4 40284 Pumpdown Operation Read-Write 1 = Run B − 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 216 High Discharge Pressure Alarm Setpoint #2 F-INT Read N65:10 40410 High Discharge Pressure Trip Setpoint #2 F-INT Read Read- N65:11 40411 Low Process Temperature Alarm Setpoint #2 F-INT -100 Write B − 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 217 Read- N65:20 40420 High Process Pressure Alarm Setpoint #2 F-INT Unused) Write (Currently Read- N65:21 40421 High Process Pressure Trip Setpoint #2 F-INT Unused) Write B − 13 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 218 N68:4 40504 High Discharge Temperature Bypass (seconds) Read N68:5 40505 High Filter Diff. Pressure Changeover (seconds) Read N68:6 40506 High Motor Amps Bypass (seconds) Read B − 14 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 219 (SS) Read-Write N70:3 40603 Date – Year (YYYY) Read-Write 1970 2037 N70:4 40604 Date – Month (1-12) Read-Write N70:5 40605 Date – Day (1-31) Read-Write B − 15 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 220 0 = No, 1 = Yes Read able Process Control # of N71:5 40615 Read Setpoints 0 = Temperature N71:6 40616 Process Control Type ENUM Read 1 = Pressure B − 16 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 221 0 = Disabled N72:4 40654 Oil Pressure Enabled Read 1 = Enabled 0 = Disabled N72:5 40655 Filter In Pressure Enabled Read 1 = Enabled B − 17 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 222 0 = Disabled N72:26 40676 Virtual Input #1 Enabled Read 1 = Enabled 0 = Disabled N72:27 40677 Virtual Input #2 Enabled Read 1 = Enabled B − 18 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 223 0 = Disabled N72:36 40686 RV Input #6 Enabled Read 1 = Enabled 0 = Disabled N72:37 40687 RV Input #7 Enabled Read 1 = Enabled B − 19 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 224 Tuesday Event #4 Minute Read-Write N73:36 40836 Wednesday Event #1 Control Mode ENUM Read-Write N73:37 40837 Wednesday Event #1 Hour Read-Write N73:38 40838 Wednesday Event #1 Minutes Read-Write B − 20 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 225 Saturday Event #1 Minutes Read-Write N73:75 40875 Saturday Event #2 Control Mode ENUM Read-Write N73:76 40876 Saturday Event #2 Hour Read-Write N73:77 40877 Saturday Event #2 Minute Read-Write B − 21 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 226 Disch. Press) N74:2 40902 Start Offset F-INT Read N74:3 40903 Stop Offset F-INT Read N74:4 40904 Start Timer F-INT Read N74:5 40905 Stop Timer F-INT Read B − 22 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 227 0 = OFF N75:21 40971 Read-Write (Summer, Winter) 1 = ON Step #5 Manual On/Off 0 = OFF N75:22 40972 Read-Write (Summer, Winter) 1 = ON B − 23 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 228 41021 Result Variable Analog Input #5 F-INT Read N76:22 41022 Result Variable Analog Input #6 F-INT Read N76:23 41023 Result Variable Analog Input #7 F-INT B − 24 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 229 Compressor Scheduling Hour INT – This value can be changed only when the schedule is disabled Compressor Scheduling Minute INT – This value can be changed only when the schedule is disabled B − 25 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 230 B − 26 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 231: Appendix C • Remote Control And Monitoring

    • Manhattan P/N M3477 (individually shielded with overall shield) • Manhattan P/N M39251 (individually shielded with overall shield) Figure C-1. Configuration Screen (Page 3) C - 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 232: Common Register Setup To Control The Microvission (Compressor Control) Via Communications

    1 = Direct I/O (hardwired control - via digital inputs. Refer to wiring diagram) • 2 = Serial (serial communications via RS485 Modbus RTU) • 3 = Ethernet (Modbus TCP or Ethernet IP communications) C - 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 233 Main Screen should display capacity at which the pacity and progress bar should be loaded at 50%. compressor is currently operating. The rules of capacity hold algorithm are: C - 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 234 Speed would be set at 50% (VFD Output at 12 mA) and progress bar should be loaded at 75% ((100 + 50) / 2). VFD Speed would be at maximum (VFD Output C - 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 235: Compressor Start And Stop Commands

    Local Auto mode, a yellow banner will be Figure C- 4. Remote Cap Hold without Compressor VFD Figure C-5. Remote Cap Hold with Compressor VFD C - 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 236: Remote Control Via Direct I/O (Hard-Wired

    Load or Unload For instance, 4mA = 0%, 12mA = 50%, and 20mA = 100%. respectively only after 5 seconds. C - 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 237 75% ((100 + 50) / 2). VFD Speed would be at maximum (VFD Output at 20 mA) when Remote Capacity % value is set at 100%. C - 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 238 Appendix C • Remote Control and Monitoring Figure C-6. Direct IO Cap Hold without Compressor VFD Figure C-7. Direct IO Cap Hold with Compressor VFD C - 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 239: Control Scenario

    (via Ethernet IP or Modbus TCP/ 40170 through 40182. IP) or the serial port (via RS485 Modbus RTU). For com- munication register information, refer to Appendix B: Communication Table. C - 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 240 C − 10 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 241: Appendix D • Compressor Sequencing Setup

    The following discussion assumes that the physi- cal Ethernet Network has been installed between all MicroVission control panels. Figure D-1. Setup of Compressor for Loading and Unloading Compressors D − 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 242 Pressure / Process Temperature at this value. sure/ process temperature drops below (setpoint – stop offset). Figure D-2. Compressor Sequencing Control Setpoints D − 2 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 243 Example: Comp1 192.168.1.95 Compressor Sequencing Setpoints: Pressure control setpoints for setpoint 22 psig, Comp2 192.168.1.96 Figure D-3. Compressor Control Menu Setup (Load & Unload Setpoints) D − 3 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 244: Compressor Sequencing Equipment List

    The compressor can be put back into auto sequence mode for sequencing by pressing Start- >Auto Seq again on the compressor. D − 4 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 245 Compressor running into its stop timer, will be stopped. Compressor is next in sequence for unloading. Compressor running into its start timer, will be started. Table D-1. Status Symbols D − 5 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 246: Configuring Sequencing Table On Compressor

    Stop Offset = 6 psig ing “Auto Seq” button in Comp1. Refer Figure D-4. Figure D-4. Compressor(s) Started in Sequencing D − 6 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 247 Refer Figure D-5 for load cycle status details. Figure D-5. Compressor(s) Load Cycle in Sequencing D − 7 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 248: Overview Of Compressor Unloading

    Once symbol. Comp3 is unloaded to its minimum step and suction Figure D-6. Compressor(s) Unload Cycle in Sequencing D − 8 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 249: Compressor Experiencing A Failure

    Compressor will be placed in local auto if it is compressor has lost communication to the other running in auto seq. Figure D-7. Compressor Sequencing Log D − 9 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 250: Microvission Compressor Sequencing Setup And Configuration Overview

    The order of which compressors are started, stopped, loaded and unloaded is determined by “compressor priority” which is defined in the MicroVission panel – the Compressor Sequencing Menu. D − 10 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 251: Configuration Overview

    • Once above steps have been completed, then press Apply button and do not exit the Configuration screen. Next configure compressor sequencing parameters. Figure D-8. Configuration Screen - Compressor Sequencing Setup D − 11 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 252: Setting Up The Microvission Compressor Sequencing Parameters

    3 of the sequencing screen and you’ll see compres- sors listed in the Device List as shown in Figure D-10. Figure D-9. Adding Compressors to Devices List D − 12 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 253 Appendix D • Compressor Sequencing Setup Figure D-10. Devices List in Compressor Sequencing Screen D − 13 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 254: Testing The Microvission Panel Connections

    Continue to select the compressors listed in the Devices List and test the connection of all compressors. Figure D-11. Testing Connection in Compressor Sequencing Screen D − 14 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 255: Deleting Microvission Panels From The Devices List

    “Confirm Delete Device?” On pressing OK button, it will delete the device from list. Figure D-12. Deleting Device from Devices List in Compressor Sequencing Screen D − 15 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 256: Setting Up The Compressor Sequencing Table

    Status column will show a question mark as shown in Figure D-13. Figure D-13. Setting up Compressors for Sequencing D − 16 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 257: Final Steps For Setting Up Compressor Sequencing

    By button. This will place Comp2 and Comp3 into seq standby mode to allow the MicroVission panel to start in sequencing. Figure D-14. Placing Compressors in Auto Seq or Seq Stand-By D − 17 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 258 Appendix D • Compressor Sequencing Setup Figure D-15. Compressors in Ready to Run State D − 18 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 259: Appendix E • Abbreviations Used On The Microvission Panel Screen

    Administrator Press Pressure Temp Temperature Diff Differential Disch. Discharge Auto Automatic Sequence Setpoint Variable Frequency Drive Sync Synchronize Input/Output Virtual Network Computing Resistance Temperature Detector E − 1 MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 260 E − 2 / Blank MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3...
  • Page 262 Vilter Manufacturing LLC reserves the right to make changes in design and specifications without notice. 35391MV 1.3 (10/21) 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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