Emerson Vilter Vission 20/20 Operation And Service Manual
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Emerson Vilter Vission 20/20 Operation And Service Manual

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Vission 20/20 micro-controller
Operation and service manual • Version 1.9
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Summary of Contents for Emerson Vilter Vission 20/20

  • Page 1 Vission 20/20 micro-controller Operation and service manual • Version 1.9...

  • Page 3: Table Of Contents

    Analog Input Jumper Tables ........................3-12 Table 3-4. Analog Input Jumper Tables ....................3-12 Analog Output Boards ........................... 3-14 Figure 3-7. Analog Output Board Layout ....................3-14 TOC - 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 4 Figure 7-2. Alarms and Trips Screen - Page 2 ................... 7-3 Figure 7-2. Alarms and Trips Screen - Page 3 ..................7-4 Compressor Inhibits ..........................7-5 Safety Failure Messages ......................... 7-5 TOC - 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 5 Figure 13-3. Instruments Calibration Screen - Analog Inputs (Page 3) ............. 13-3 Remote Capacity ........................... 13-4 Figure 13-4. Instruments Calibration Screen - Analog Inputs (Page 4) ............. 13-4 Analog Inputs ............................13-4 TOC - 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 6 Control ..............................18-4 Figure 18-4. Auxiliary I/O Screen - Analog Inputs (Page 4) ..............18-5 Figure 18-5. Auxiliary I/O Screen - Analog Inputs (Page 5) ..............18-5 TOC - 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 7 Figure 21-3. Maintenance Screen - Chart ....................21-3 Section 22 • User Access Overview ............................... 22-1 Apply ..............................22-1 Figure 22-1. User Access Screen - Login ....................22-1 TOC - 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 8 VFD Settings ............................26-2 Figure 26-2. Remote Oil Cooler VFD Screen (Page 2) ................26-3 Appendix A • Vission 20/20 Troubleshooting Guide Vission 20/20 Troubleshooting Guide ..................... A-1 TOC - 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 9 Figure 10-2. Compressor Sequencing Screen - Page 2 ................10-2 Figure 10-3. Compressor Sequencing Screen - Page 3 ................10-3 Figure 11-1. Condenser Control Screen - Page 1 ..................11-1 TOC - 7 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 10 Figure 25-2. Compressor Control Screen - Cool Compression Control (Page 4) ........25-2 Figure 26-1. Remote Oil Cooler Screen (Page 1) ..................26-1 Figure 26-2. Remote Oil Cooler VFD Screen (Page 2) ................26-3 END OF TOC TOC - 8 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 11: How To Use This Manual

    Vission 20/20 system parts. Figures and tables are included to illustrate key concepts. Safety precautions are shown throughout the manual. They are defi ned as the following: TOC - 9 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 12: 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. TOC - 10 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 13: Section 1 • Operational Flow Charts

    Amps < FLA x Cutout (OFF) FLA (OFF) 1.0625 1.0625 Setpt? Setpt? Normal Loading and Normal Loading and Unloading Unloading Figure 1-1. Operational Flow Charts (1 of 2) 1 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 14: Suction Pressure Override Load Limit During Temperature Control

    Suct Press Cap Press > Suction Press Cap Decrease ON setpoint. Dec ON Setpt? Normal Loading and Unloading Figure 1-1. Operational Flow Charts (2 of 2) 1 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 15: Section 2 • Installation Recommendations

    Figure 2-2. EMI and Vission 20/20. Voltage Source • Transformers block large percentage Figure 2-1. Vission 20/20 with Individual Transformer Figure 2-2. EMI and Vission 20/20 2 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 16: Grounding

    AC from DC, see Figure 2-4. Mixed Voltage dividers must be installed between the different Wiring. voltages. Figure 2-3. Ground Wiring Figure 2-4. Mixed Voltage Wiring 2 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 17: Wiring Methods

    Figure 2-5. Correct Transformer Wiring Method and Figure 2-6. Incorrect Transformer Wiring Method. Figure 2-5. Correct Transformer Wiring Method Figure 2-6. Incorrect Transformer Wiring Method 2 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 18: Best Practices

    • Don’t run conduit into the top of an enclosure. • Don’t run refrigerant tubing inside the enclosure. • Don’t drill metal enclosures without taking proper precautions to protect circuit boards from damage. 2 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 19: Section 3 • Hardware Architecture

    • 8-wire touch screen operator interface. • Flexible and expandable I/O. • NEMA-4 enclosure (NEMA-4X optional). • Industrial temperature range design. Figure 3-1. Hardware Architecture Overview 3 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 20: Digital Input/Output (I/O)

    Liquid Injection #2 Output: • Not Defi ned 3 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 21: Table 3-1. Digital I/O

    Condenser / Remote Oil Cooler Step #3 OUTPUT Condenser / Remote Oil Cooler Step #4 OUTPUT Auxiliary Input #1 INPUT Auxiliary Input #2 INPUT Auxiliary Input #3 INPUT Auxiliary Input #4 INPUT 3 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 22: Analog Inputs

    Operational only when the com- pressor is running. Energizing this input will increase Suction Pressure: the slide valve position. • Default signal is 4-20mA. Suction pressure transducer 3 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 23: Table 3-2. Analog Inputs

    0-5V, 1-5 V, 0-10V, 4-20 mA, RTD, ICTD Auxiliary #10 0-5V, 1-5 V, 0-10V, 4-20 mA, RTD, ICTD Auxiliary #11 0-5V, 1-5 V, 0-10V, 4-20 mA, RTD, ICTD 3 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 24: Analog Outputs

    Chiller Inlet Temperature calibration and range are set in the calibration screen. Condenser Pressure: • Default signal is 4-20mA. Condenser pressure trans- ducer range and calibration is set in the calibration 3 – 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 25: Digital & Analog I/O Boards Layout

    Instrument Calibration screen. The following illustrations show the Vilter default con- fi gurations for the Vission 20/20. Figure 3-2. Digital I/O Board Layout 3 – 7 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 26: Digital Outpout Boards

    The addresses are binary and therefore the address of a digital output board will either be address as 1 (0001) or 2 (0010). Figure 3-3. Digital Output Board Layout 3 – 8 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 27: Digital Input Boards

    The addresses are binary and therefore the address of a digital input board can only be addressed as 3 (0011). Figure 3-4. Digital Input Board Layout 3 – 9 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 28: Digital In-Out Boards

    4 120Vac output is being produced or a 120Vac signal (0100) or 5 (0101). is detected. Figure 3-5. Digital Input-Output Board Layout 3 – 10 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 29: Analog Input Boards

    Table 3-4. (0110), 7 (0111), 8 (1000) or 9 (1001). Analog Input Jumper Tables. Figure 3-6. Analog Input Board Layout 3 – 11 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 30: Analog Input Jumper Tables

    1-5 VOLT 0-10 VOLT 4-20 mA ICTD CHANNEL 4 SIGNAL JP-10 JP-11 JP-12 JP-30 Analog Input 4 0-5 VOLT 1-5 VOLT 0-10 VOLT 4-20 mA ICTD 3 – 12 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 31 4-20 mA ICTD ACTUATOR POTENTIOMETER CHANNEL 8 SIGNAL JP-22 JP-23 JP-24 JP-34 JP-26 Analog Input 8 0-5 VOLT 1-5 VOLT 0-10 VOLT 4-20 mA ICTD ACTUATOR POTENTIOMETER 3 – 13 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 32: Analog Output Boards

    10 indicate the correct voltage of both the 5Vdc and (1010). 24Vdc power sources. Figure 3-7. Analog Output Board Layout 3 – 14 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 33: Section 4 • Main Screen Overview

    All navigation to any other vided into four sections. Three of the sections are static; screens will be performed through the Main Screen. Figure 4-1. Main Screen 4 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 34: Top Status Bar

    • Informs the operator that the compressor motor is tion bar. Compressor trips are designed to protect currently running. the equipment and any personnel operating the equipment. Figure 4-2. Top Status Bar 4 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 35: Parameter Bar

    If available, the buttons work to increase and decrease the volume slide position in the same manner as the capacity slide. Figure 4-3. Parameter Bar Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9 4 – 3...

  • Page 36: Figure 4-4. Unit Start Pop-Up Window

    Screen. In the case that the Run mode is in re- mote capacity control, this box will show the desired capacity position. Figure 4-4. Unit Start Pop-Up Window 4 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 37: Bottom Status Bar

    (if any are logged in), the date and time, and the total run hours of the compressor. Figure 4-5. Bottom Status Bar 4 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 38: Splash Screen

    • Displays the position of the capacity slide from 0% to Menu Button: 100%. • When pressed, navigates the operator to the menu screen. Figure 4-6. Splash Screen 4 – 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 39: Section 5 • Menu Screen Overview

    • Navigates to the timer screen where the operator can outputs for maintenance and diagnostics purposes. set the various time related parameters. Figure 5-1. Menu Screen 5 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 40: Figure 5-2. Menu Screen With Remote Oil Cooler Enabled

    5-2. Menu Screen with Remote Oil Cooler Enabled. the time of the last compressor fault event. Figure 5-2. Menu Screen with Remote Oil Cooler Enabled 5 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 41: Section 6 • Compressor Control

    The duration of the pulse is limited by the Pulse Time Setpoint. By default Figure 6-1. Compressor Control Screen - Suction Pressure Control 6 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 42: Auto-Cycle

    OFF value below the Low Suction and the dead band is set to 10% of 4 Psig. Making the Figure 6-2. Compressor Control Screen - Process Temperature Control 6 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 43: Figure 6-3. Proportional Band & Setpoint

    Minimum Slide Position: Enable: • The minimum capacity slide position that the com- pressor is allowed to run at. Figure 6-3. Proportional Band & Setpoint 6 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 44: Variable Frequency Drive (Vfd)

    The two-step control method works much like the one- Capacity Slide Position: step method but divides the control into four sections, Figure 6-4. Compressor Control Screen - VFD Settings Control 6 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 45: Figure 6-5. Vfd One-Step Control Method

    A standard PID loop variable, it is not used for our applications. Figure 6-5. VFD One-Step Control Method Figure 6-6. VFD Two-Step Control Method 6 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 46: Pumpdown Control

    Figure 6-7. Compressor Control Screen - Pumpdown/Pulldown Control 6 – 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 47: Pulldown Control

    • Note: First step is applied immediately. So fi rst step checkboxes will be automatically deselected as nor- starts at (85 – 5 = 80) psig mally this is one time use feature. 6 – 7 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 48: Control Mode

    • When this value is reached, the capacity slide will not sure control or process temperature control. The Figure 6-8. Compressor Control Screen - Misc. 1 (Control Mode) 6 – 8 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 49: Capacity Slide Triggered Outputs

    • Defi nes the state of the digital output when the slide Figure 6-9. Compressor Control Screen - Misc. 2 (Economizer & Hot Gas Bypass Control) 6 – 9 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 50: Volume Slide Position Offset

    The purpose of the load anticipating algorithm is to re- duce the amount of overshoot of the capacity slide posi- tion while the compressor attempts to meet the control 6 – 10 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 51: Oil Control

    Figure 6-10. Compressor Control Screen - Oil Control & Liquid Injection Control 6 – 11 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 52 PID is in liquid motorized value control. Liquid Inj. Setpoint 2: • Not yet available 6 – 12 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 53: Section 7 • Alarms And Trips Overview

    The freeze screens are available as left is active in both temperature and pressure control Figure 7-1. Alarms and Trips Screen - Page 1 7 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 54: Figure 7-2. Alarms And Trips Screen - Page 1 As Level 2 User

    Low Oil Separator Run Temperature (Alarm & Trip): • This is the running low oil separator temperature Figure 7-2. Alarms and Trips Screen - Page 1 as Level 2 User 7 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 55: Figure 7-2. Alarms And Trips Screen - Page 2

    This safety is active when superheat heat monitor is enabled in the confi guration screen. Figure 7-2. Alarms and Trips Screen - Page 2 7 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 56: Figure 7-2. Alarms And Trips Screen - Page 3

    Figure 7-2. Alarms and Trips Screen - Page 3 7 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 57: Compressor Inhibits

    All inhibits will be logged in the event list. will also appear when the Running Oil Pressure falls below the Low Oil Pressure trip setpoint after the Low 7 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 58: Compressor Warnings

    Oil Separator Safety Trip Delay” timer. Digital Aux in 1-16 Warning • This message will appear when the Digital Aux in 1-8 is Active High / Low. 7 – 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 59: Section 8 • Timers Overview

    Delays: • Delays require the condition to occur for the specifi ed Figure 8-1. Timers Screen - Page 1 8 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 60 fl oat switch (the oil level switch is standard on the Accumulative Anti-Recycle Timer. Unlike the on all liquid injection units and optional on all others). True Anti-Recycle Timer, if the compressor has run 8 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 61: Figure 8-2. Timers Screen - Page 2

    Figure 8-2. Timers Screen - Page 2 8 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 62 8 – 4 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 63: Section 9 • Compressor Scheduling

    Feature, only if Time Intervals are in order of Event 1 Time set in an event is achieved, then control mode will not get switched. Hence Control Mode can be set Figure 9-1. Compressor Scheduling Screen 9 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 64 9 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 65: Section 10 • Compressor Sequencing

    Unload Rate 1 timer. set to monitor compressor load. If Suction pressure / process temperature surpasses Load Rate 1 offset Figure 10-1. Compressor Sequencing Screen - Page 1 10 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 66: Capacity Load/Unload Timers

    Load Rate 1 setpoint offset then Load Rate 1 timer is used to make periodic sequencing decisions. Figure 10-2. Compressor Sequencing Screen - Page 2 10 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 67: Compressor Sequencing Table

    Compressors can be included/excluded by toggling ON/OFF. Figure 10-3. Compressor Sequencing Screen - Page 3 10 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 68: Table 10-1. Status Symbols

    Slave Compressor running at maximum capacity without any error. Slave Compressor under active control of Master Compressor Slave Compressor running into its stop timer, will be stopped. 10 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 69: Section 11 • Condenser Control

    Figure 11-1. Condenser Control Screen - Page 1 11 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 70: Step Control

    Run mode is Auto and as “ON” timer while loading and acts as “OFF” timer Summer/Winter Auto Switch is enabled. while unloading for the same step. 11 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 71: Vfd Settings

    • Used to adjust the capacity control action, account- ing for how fast the error is changing, positively or negatively. Maximum Speed: • This setpoint defi nes the maximum speed in 11 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 72: Figure 11-2. Condenser Control Screen - Page 2

    Section 11 • Condenser Control Figure 11-2. Condenser Control Screen - Page 2 11 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 73: Section 12 • Service Options

    The output is connected to terminal 14 and is the 4th LED down on card 1. Figure 12-1. Service Options Screen - Digital Outputs (Page 1) 12 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 74: Figure 12-2. Service Options Screen - Digital Outputs (Page 2)

    • Activates the output typically assigned to the econo- mizer solenoid. The output is connected to terminal Figure 12-2. Service Options Screen - Digital Outputs (Page 2) 12 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 75: Figure 12-3. Service Options Screen - Digital Outputs (Page 3)

    The card 4. output is connected to terminal 28 and is the 8th LED Figure 12-3. Service Options Screen - Digital Outputs (Page 3) 12 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 76: Figure 12-4. Service Options Screen - Digital Outputs For Remote Oil Cooler (Page 3)

    44 and is the 4th LED down on card 4. Figure 12-4. Service Options Screen - Digital Outputs for Remote Oil Cooler (Page 3) 12 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 77: Analog Outputs

    • Sets the analog output assigned to the Condenser / Remote Oil Cooler VFD. The output is connected to AO #2 on card 10. Figure 12-5. Service Options Screen - Analog Outputs (Page 4) 12 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 78 12 – 6 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 79: Section 13 • Instruments Calibration

    Figure 13-1. Instruments Calibration Screen - Analog Inputs (Page 1) 13 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 80: Motor Current

    After entering the measured value, the Figure 13-2. Instruments Calibration Screen - Analog Inputs (Page 2) 13 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 81: Figure 13-3. Instruments Calibration Screen - Analog Inputs (Page 3)

    “Enter Desired Value” setpoint • Not editable by the operator. Displays the Figure 13-3. Instruments Calibration Screen - Analog Inputs (Page 3) 13 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 82: Remote Capacity

    Offset: • Once the two-point calibration is completed, it is not Figure 13-4. Instruments Calibration Screen - Analog Inputs (Page 4) 13 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 83: Figure 13-5. Instruments Calibration Screen - Analog Inputs (Page 5)

    The operator can choose from several predefi ned ranges in the drop- down box or enter a value. Figure 13-5. Instruments Calibration Screen - Analog Inputs (Page 5) 13 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 84: Analog Outputs

    Test Limits: • By pressing either the Test Min or Test Max buttons, Figure 13-6. Instruments Calibration Screen - Analog Outputs (Page 6) 13 – 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 85: Section 14 • Slide Calibration

    • The Vission 20/20 uses the “Min Limit” and plied to the other capacity position displays. In addition, “Max Limit” setpoint to defi ne an area within the Figure 14-1. Slide Calibration Screen 14 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 86: Volume Slide Valve Potentiometer

    The slide valve actuator is a gear-motor with a position 3. Log In on the Vission 20/20. sensor. The motor is powered in the forward and reverse 14 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 87: Figure 14-2. Photochopper

    This will be apparent by a slowing of the motor rotation motor. and a winding sound from the actuator motor. When you hear the motor wind-up, release the “+” button. 14 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 88: Command Shaft Rotation

    0.45 1.767” VSM 401 0.80 3.141” 0.45 1.767” VSM 501 0.91 3.568” 0.52 2.045” VSM 601 0.91 3.568” 0.52 2.045” VSM 701 0.91 3.568” 0.52 2.045” 14 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 89: Slide Valve Troubleshooting Guide

    There is a rapid clicking noise when the motor is operating. The motor brake is not working Get the motor brake to where it op- properly. erates freely and then recalibrate. 14 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 90 Stripped gears inside the gear rotor, The motor runs but output shaft will or the armature has come unpressed Replace the actuator. not turn. from the armature shaft. 14 – 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 91: Slide Valve Actuator Troubleshooting Guide Blink Code

    Note 1: TP1 and TP2 are plated-thru holes located close to the slotted optocouplers on the board. They are clearly marked on the board silkscreen legend. 14 – 7 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 92 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° angle. 14 – 8 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 93: Section 15 • Trend Chart

    Zoom In/Out: • These buttons allow the operator to adjust the num- ber of data points plotted on the screen. At maximum Figure 15-1. Trend Chart Screen 15 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 94: Trend Data Storage

    Setup: • This button allows operator to open the Trend Setup screen. This button is inactive when the trend feature is running. 15 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 95: Setup

    If the operator changes Press/Temp units from the con- fi guration screen when running the trending feature, then the background trending will stop. Figure 15-2. Trend Setup Screen 15 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 96 15 – 4 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 97: Section 16 • Event List

    • Displays the informational string that describes the event. Event list Columns Date: • Displays the date of the event in MM-DD-YYYY format. Figure 16-1. Event List Screen 16 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 98 16 – 2 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 99: Section 17 • Input / Output

    fi ve Freeze events occur. These Freeze events can be downloaded to a USB drive though the Data Backup screen, see Section 20. Figure 17-1. Input/Output Screen - Page 1 17 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 100: Figure 17-2. Input/Output Screen - Page 2

    Section 17 • Input / Output Figure 17-2. Input/Output Screen - Page 2 Figure 17-3. Input/Output Screen - Page 3 17 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 101: Figure 17-4. Input/Output Screen - Page 4

    Section 17 • Input / Output Figure 17-4. Input/Output Screen - Page 4 Figure 17-5. Input/Output Screen - Page 4 (Remote Oil Cooler Enabled) 17 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 102: Figure 17-6. Input/Output Screen - Freeze Data Page

    Section 17 • Input / Output Figure 17-6. Input/Output Screen - Freeze Data Page 17 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 103: Section 18 • Auxiliary Input / Output

    Figure 18-1. Auxiliary I/O Screen - Digital Inputs (Page 1). The digital input can be confi gured to produce an Figure 18-1. Auxiliary I/O Screen - Digital Inputs (Page 1) 18 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 104: Digital Outputs

    101, the output will be triggered. If when exceeded will generate a trip. the value decreases to 99, then the output will be toggled in the opposite direction. • High Trip: 18 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 105: Figure 18-2. Auxiliary I/O Screen - Digital Outputs (Page 2)

    Section 18 • Auxiliary Input / Output Figure 18-2. Auxiliary I/O Screen - Digital Outputs (Page 2) Figure 18-3. Auxiliary I/O Screen - Analog Inputs (Page 3) 18 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 106: Analog Outputs

    Increasing the proportional setting increases the control system’s sensitivity to small process fl uctuations and the ten- dency to hunt. 18 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 107: Figure 18-4. Auxiliary I/O Screen - Analog Inputs (Page 4)

    Section 18 • Auxiliary Input / Output Figure 18-4. Auxiliary I/O Screen - Analog Inputs (Page 4) Figure 18-5. Auxiliary I/O Screen - Analog Inputs (Page 5) 18 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 108 Section 18 • Auxiliary Input / Output Figure 18-6. Auxiliary I/O Screen - Analog Outputs (Page 6) Figure 18-7. Auxiliary I/O Screen - Analog Outputs (Page 7) 18 – 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 109: Section 19 • Configuration

    • Drop-down box to select the temperature units from Fahrenheit and Celsius. Once selected, all screen temperatures will be displayed in the chosen units. Figure 19-1. Confi guration Screen - Initial Setup (Page 1) 19 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 110: Time & Date

    Direct I/O options touchscreen and then the accept button. Serial (Modbus RTU): • Enables the Serial Modbus RTU protocol. Once 19 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 111: Anti-Recycle

    Select this option when under direct I/O control and the system controller is to gain control of the Vission 20/20 without human interference. 19 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 112: Compressor Sequencing

    • Identifi es the panel as a slave while in sequencing • Dropdown box to select the compressor type. This control. Figure 19-2. Confi guration Screen - Compressor Sequencing (Page 2) 19 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 113: Optional Function Selection

    • Enables the superheat safety algorithms. fl ow analog output will be 4 mA which corresponds 19 – 5 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 114: Oil Cooling

    • This defi nes the input used for motor current when a current transformer is used. 4-20ma Transformer: • This defi nes the input used for motor current. 19 – 6 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 115: Digital Inputs

    • Enables the selected digital input. Set Name: • Allows the operator to assign a name to the input. Figure 19-3. Confi guration Screen - Digital Auxiliaries (Page 3) 19 – 7 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 116: Analog Inputs

    • Enables the selected analog input. Set Name: • Allows the operator to assign a name to the input. Figure 19-4. Confi guration Screen - Analog Auxiliaries (Page 4) 19 – 8 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 117: Analog Outputs

    • Allows the operator to assign a name to the output. • Allows the operator to assign a name to the output Figure 19-5. Confi guration Screen - Analog and Digital Outputs (Page 5) 19 – 9 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 118: I/O Configuration

    • Not editable by the operator. Identifi es that the • Enables the optional Analog Output card. Digital Input card 1 is enabled. Figure 19-6. Confi guration Screen - I/O Confi guration (Page 6) 19 – 10 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 119: Section 20 • Data Backup

    The log fi les are all saved as simple ASCII text and the databases can be examined with SQLite. Figure 20-1. Data Backup Screen - Save/Load 20 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 120 Vission 20/20 according to checkbox selections. Save / Load Button: • This button initiates the save or load process. 20 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 121: Migrate

    • This button initiates the process to revert the Vission Migrate: 20/20 back to the factory default settings. • This button initiates the migrate function. Figure 20-2. Data Backup Screen - Migrate and Factory Reset 20 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 122 20 – 4 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 123: Section 21 • Maintenance

    “Update” button at the bottom of the page will perform the sign-off operation and list the maintenance performed in the maintenance log. Figure 21-1. Maintenance Screen - Checklist 21 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 124: Notes

    This chart is the original maintenance chart that is pro- vided with the compressor, see Figure 21-3. Maintenance Screen - Chart. Figure 21-2. Maintenance Screen - Log 21 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 125: Figure 21-3. Maintenance Screen - Chart

    Section 21 • Maintenance Figure 21-3. Maintenance Screen - Chart 21 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 126 21 – 4 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 127: Section 22 • User Access

    Figure 22-1. User Access Screen - Login 22 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 128: Login

    The operator can • This entry box is for the operator’s password. The Figure 22-2. User Access Screen - Manage Accounts 22 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 129: Vnc Account

    • The operator will add the password by touching the entry box and typing the password via the pop-up keyboard. Figure 22-3. User Access Screen - VNC Accounts 22 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 130: Screen Security Levels

    Level 2* Level 3 required for pages 3 - 6 Slide Calibration Level 2 Timers Level 2* Level 3 required for constraints VNC Account Level 3 22 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 131: Section 23 • Help Screen

    20/20 from a USB drive, see Figure 23-2. Help Screen - USB. If there are any PDF type documents on a Figure 23-1. Help Screen - Manual 23 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 132: Figure 23-2. Help Screen - Usb

    • Enter the page number the operator wishes to be dis- 23-3. Version Pop-Up Screen. played in the display window. Figure 23-2. Help Screen - USB Figure 23-3. Version Pop-Up Screen 23 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 133: Section 24 • Twin Screw Control

    “Type” drop-down box. Figure 24-1. Confi guration Screen - Twin Screw Option 24 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 134: Operation

    150mV from either end point. in millivolts in the “input Value” display box, see Figure Figure 24-2. Slide Calibration - Twin Screw Control 24 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 135: Figure 24-3. Slide Calibration - Twin Screw Bump Pop-Up Window

    • Position signals can be 0-5 VDC or 4-20mA to indi- cate current slide valve position. Figure 24-3. Slide Calibration - Twin Screw Bump Pop-Up Window 24 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 136 24 – 4 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 137: Section 25 • Cool Compression Control

    Oil Pump and Oil Cooling sections and “Cool oil and liquid ammonia mixture through the suction oil Compression” gets selected automatically. It will also Figure 25-1. Cool Compression Control Screen 25 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 138: Control Functions

    Auto Load operation will be engaged. After • Danfoss Positioning Valve Settings the timer expires, Auto Load will be disengaged. Figure 25-2. Compressor Control Screen - Cool Compression Control (Page 4) 25 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 139: Operational Differences From Single Screw

    Once the Cool Compression is confi gured, most setup options available for a single screw are also available for Cool Compression. However, there are signifi cant 25 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 140 4°F, the solenoid is turned off. An additional solenoid (referenced as SV4 – as called the High Press Ratio solenoid) provides supplemental oil cooling based on pressure ratio. When the pressure ratio rises above 25 – 4 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 141: Section 26 • Remote Oil Cooler

    Remote Oil Cooler Temperature the compressor is off. pressure that matches the setpoint. Figure 26-1. Remote Oil Cooler Screen (Page 1) 26 – 1 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 142: Step Control

    Similarly in a VFD step, a step can only be negatively. removed once VFD has reached its minimum speed 26 – 2 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 143: Figure 26-2. Remote Oil Cooler Vfd Screen (Page 2)

    20mA in its normal range of reaches 4mA in its normal range of 4-20 mA 4-20 mA Figure 26-2. Remote Oil Cooler VFD Screen (Page 2) 26 – 3 Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 144 26 – 4 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...

  • Page 145: Appendix A • Vission 20/20 Troubleshooting Guide

    Appendix A • Vission 20/20 Troubleshooting Guide Vission 20/20 Troubleshooting Guide In the event of a problem with the Vilter Vission 20/20, the help screen, along with your electrical drawings will help determine the cause. NOTICE Before applying power to the Vission 20/20 control panel, all wiring to the panel should be per the National Electrical Code (NEC).
  • Page 146 A - 2 / Blank Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9...
  • Page 148 35391SC 1.9 (1/13) Emerson and Vilter are trademarks of Emerson Electric Co. or one of its affi liated companies. © 2012 Emerson Climate Technologies, Inc. All rights reserved. Printed in the USA.

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