York YD Mod D Operation Manual
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York YD Mod D Operation Manual

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Model YD Mod D with OptiView Control
Center
Centrifugal Liquid Chillers
Operations Manual
Issue Date: 2021-09-16
Form Number: 160.79-O3 (921)
Supersedes: 160.79-O3 (1020)

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Summary of Contents for York YD Mod D

  • Page 1 Model YD Mod D with OptiView Control Center Centrifugal Liquid Chillers Operations Manual Form Number: 160.79-O3 (921) Issue Date: 2021-09-16 Supersedes: 160.79-O3 (1020)
  • Page 2 Model YD Mod D with OptiView Control Center...

  • Page 3: Table Of Contents

    Oil pump 1 and 2 screen........................... 74 Motor starter screen..........................76 Low voltage variable speed drive screen....................78 Medium voltage variable speed drive screen..................80 Motor lubrication screen...........................82 Variable speed drive (VSD) details screen....................84 Model YD Mod D with OptiView Control Center...
  • Page 4 Warning messages..........................132 Routine shutdown messages......................... 135 Cycling shutdown messages........................136 Safety shutdown messages........................140 Printers................................147 Printing overview..........................147 Control center setup......................... 147 Downloading system prints to a laptop..................148 Unit conversion............................160 Model YD Mod D with OptiView Control Center...

  • Page 5: General Safety Guidelines

    Identifies a hazard which could lead to damage to the machine, damage to other equipment and/or environmental pollution if proper care is not taken or instructions and are not followed. Note: Highlights additional information useful to the technician in completing the work being performed properly. Model YD Mod D with OptiView Control Center...

  • Page 6: Changeability Of This Document

    Start-Up Checklist YD Chillers 160.79-CL2 Maintenance Requirements 160.79-MR1 Field Reassembly Instructions for Form 2, 3 and 7 Shipment - YD Mod D 160.79-N1 Wiring Diagram - Field Connections YD - Mod D with OptiView Control and 160.79-PW1 Water Pump Starter Wiring Diagram - Field Control Modification for YD - Mod D with OptiView 160.79-PW2...

  • Page 7: Conditioned Based Maintenance

    Wiring Diagram - Field Connections YD - Mod D with Remote Mounted 160.79-PW10 Medium Voltage VSD Wiring Diagram - YD Mod D Chiller with OptiView Control Center and Motor 160.79-PW11 Monitoring Wiring Diagram - YD Mod D Chillers with OptiView Control Center and 160.79-PW12...

  • Page 8: Nomenclature

    Nomenclature Model YD Mod D with OptiView Control Center...

  • Page 9: Description Of System And Fundamentals Of Operation

    A calibration procedure ensures displayed position accuracy. The vanes can be manually controlled. Each compressor also has a discharge temperature thermistor and high-pressure safety device. There are two Liquid Line Solenoid Valves and two Oil Return Solenoid Valves, one for each compressor. Model YD Mod D with OptiView Control Center...

  • Page 10: Compressor Starting

    SW1-3) and the lead compressor discharge valve is opened. All normal prelube functions are performed. If the lead compressor discharge valve does not fully open, as indicated by the discharge valve limit switch, within 40 seconds, a Safety shutdown is performed and the message Model YD Mod D with OptiView Control Center...
  • Page 11 Lag compressor start with high head was performed, the lead pre-rotation vanes can now open and are controlled according to the Leaving Chilled Liquid Temperature setpoint. Two minutes after the lag compressor discharge valve Model YD Mod D with OptiView Control Center...
  • Page 12 On the Refrigerant Level Control screen, the Refrigerant Level Override Mode displays Valve Preset during the pre-positioning of the refrigerant level control valve while bringing on the lead compressor. It displays Lag Start when performing the Refrigerant Level Control Lag Start mode Model YD Mod D with OptiView Control Center...
  • Page 13 • Motor Controller [#1/#2] – Contacts Open • Oil Pump [#1/#2] – Drive Contacts Open Model YD Mod D with OptiView Control Center...

  • Page 14: Compressor Shutdown

    "Remote Stop” • “Leaving Chilled Liquid temperature – Low Temperature” • "Discharge Valve X – Valve Not Closed” • “Multiunit – Contacts Open” • “System Cycling (1 & 2) – Contacts Open” Model YD Mod D with OptiView Control Center...
  • Page 15 Fault Shutdown is performed on all running compressors. Simultaneously, the run signal to the compressor motor starter(s) is de-energized, the compressor(s) enters Coastdown, and the pre-rotation vanes and discharge valve(s) are driven closed. Model YD Mod D with OptiView Control Center...
  • Page 16 Chiller operation flow chart Figure 2: Chiller operation flow chart Model YD Mod D with OptiView Control Center...
  • Page 17 Figure 2: Chiller operation flow chart Model YD Mod D with OptiView Control Center...
  • Page 18 Figure 2: Chiller operation flow chart Model YD Mod D with OptiView Control Center...
  • Page 19 Figure 2: Chiller operation flow chart Model YD Mod D with OptiView Control Center...
  • Page 20 Figure 2: Chiller operation flow chart Model YD Mod D with OptiView Control Center...
  • Page 21 Figure 2: Chiller operation flow chart Model YD Mod D with OptiView Control Center...
  • Page 22 Figure 2: Chiller operation flow chart Model YD Mod D with OptiView Control Center...

  • Page 23: Optiview Control Center

    The control center expands the capabilities of remote control and communications. By providing a common networking protocol through the BAS, YORK Chillers not only work well individually, but also as a team. This new protocol allows increased remote control of the chiller and 24-hour performance monitoring through a remote site.

  • Page 24: Optiview Control Center In Detail

    Cancel symbol. Use the cursor Arrow keys to navigate on screens that contain a large amount of entry data. In addition, use these keys to scroll through history and event logs. Model YD Mod D with OptiView Control Center...

  • Page 25: Overview Of Interface

    However, the user will not be allowed to change any values. To change any values, the user must return to the Home Screen (shown by default when power is applied to the system), and use the Model YD Mod D with OptiView Control Center...
  • Page 26 “highlight” the desired setpoint field. At this point, the ‘3’ key is pressed to bring up a dialog prompting the user to enter a new setpoint value. The ‘X’ key cancels cursor mode. Model YD Mod D with OptiView Control Center...
  • Page 27 Languages The Screens can be displayed in various languages. Language selection is done on the USER Screen. The desired language is selected from those available. Not all languages are available. English is Model YD Mod D with OptiView Control Center...

  • Page 28: Analog Input Ranges

    100.0 100.0 Drop leg refrigerant 121.7 °F -17.7 49.8 °C Note: * Saturation temperatures are calculated values. They will display XXX if the pressure used for the calculation is out of range. Model YD Mod D with OptiView Control Center...

  • Page 29: Optiview Screens

    Displays kW being utilized by compressor #2 motor. The input power display is not Motor 2: Input power available on units equipped with EM starters. Motor 2: Operating hours Displays the total operating hours of compressor #2. Model YD Mod D with OptiView Control Center...
  • Page 30 Soft shutdown, the Start button on the Home screen must be pressed if in local or, if in remote, the BAS must command a restart after the Start button is pressed. Model YD Mod D with OptiView Control Center...
  • Page 31 Date/Time, Display Units, Scheduling, Printer Setup, etc. History Provides access to a snapshot of system data at each of the last 50 shutdown conditions. Model YD Mod D with OptiView Control Center...

  • Page 32: System Screen

    SC-EQ communications interface in ISN (BAS) mode, or from a locally programmed value. Evaporator pressure Displays the present refrigerant pressure in the evaporator Evaporator saturation temperature Displays the present saturation temperature in the evaporator. Model YD Mod D with OptiView Control Center...
  • Page 33 Lead Compressor Pulldown Time setpoint has elapsed and for the remainder of system run. Programmable None Table 6: Navigation Button Description Home Returns to the Home screen. Model YD Mod D with OptiView Control Center...

  • Page 34: Evaporator Screen

    Displays the Leaving Chilled Liquid Temperature at which the chiller will restart after Restart it has shutdown due to over-cooling temperature. By default, the chiller will restart at the Leaving Chilled Liquid Temperature Setpoint, but is adjustable. Model YD Mod D with OptiView Control Center...
  • Page 35 When an Evaporator Refrigerant Sensor has been installed it must be enabled via this (enabled/ Service toggle before the system will utilize the sensor. disabled) Table 9: Navigation Button Description Home Returns to the Home screen. Model YD Mod D with OptiView Control Center...

  • Page 36: Condenser Screen

    Displays the present position of the refrigerant level. Active level setpoint Displays the setpoint to which the refrigerant level is being controlled. Level control valve command Displays the current Refrigerant Valve command. Model YD Mod D with OptiView Control Center...
  • Page 37 Table 12: Navigation Button Access level Description Home View Returns to the Home screen. Refrigerant level Service Moves to the subscreen allowing programming of the refrigerant liquid level control control setpoints. Model YD Mod D with OptiView Control Center...

  • Page 38: Refrigerant Level Control Screen

    PID control. Indicates the valve command as a percentage of full open. It is only displayed when Level control valve command the valve control method is analog. Model YD Mod D with OptiView Control Center...
  • Page 39 Sets the Derivative value of the PID control loop. Adjustable 0.0 to 200; default 0.0 Table 15: Navigation Button Access level Description Home Service Returns to the Home screen. Condenser Service Return to the Condenser screen. Model YD Mod D with OptiView Control Center...

  • Page 40: Main Compressor Screen

    The offset value is taken as 0 PSI in this instance. If compressor #2 is already running when bringing compressor #1 online, the offset calculation used will be that which was calculated during compressor #2 pre-lube. Model YD Mod D with OptiView Control Center...
  • Page 41 Displays a subscreen that allows viewing and programming of the Surge Protection feature. Oil sump View Displays a subscreen that allows viewing of the Oil Pumps parameters and access to the individual pump screens. Model YD Mod D with OptiView Control Center...

  • Page 42: Compressor 1 Or 2 Screen

    Indicates the Hot Gas Bypass Command 0% (Closed to 100% (Open). Only displayed if HGBP command Hot Gas option is installed and enabled on the Operations screen. Model YD Mod D with OptiView Control Center...
  • Page 43 PRV calibrate Only available if the chiller is stopped. Displays the subscreen that allows calibration and manual control of the Pre-rotation Vanes for the compressor. Capacity control Displays the Capacity Control screen. Model YD Mod D with OptiView Control Center...

  • Page 44: Proximity Probe Calibration Screen

    The key is pressed to accept the calibration. This key option only becomes available Accept calibration Service after the calibration sequence is complete. Fault This option is only displayed if a fault is present. Allows clearing of High Speed Thrust Service acknowledge Bearing related shutdowns. Model YD Mod D with OptiView Control Center...
  • Page 45 Table 23: Navigation Button Access level Description Home View Returns to the Home screen. Compressor View Returns to the Compressor screen. Model YD Mod D with OptiView Control Center...

  • Page 46: Pre-Rotation Vanes Calibration Screen

    Cancel calibration Service This option only becomes available after calibration has started. Table 26: Navigation Button Access level Description Home Service Returns to the Home screen. Compressor Service Returns to the Compressor screen. Model YD Mod D with OptiView Control Center...

  • Page 47: Variable Geometry Diffuser (Vgd) Screen

    Lights momentarily when a surge is detected by the Surge Protection feature. If Surge detected (LED) equipped with a VSD or MV VSD, these are the surges detected while the drive runs at maximum frequency. Model YD Mod D with OptiView Control Center...
  • Page 48 Service Displays the subscreen that allows programming of the Variable Geometry Diffuser setpoints. Calibration Service Only available if compressor 1 is stopped. Displays the subscreen that allows calibration of compressor 1 VGD. Model YD Mod D with OptiView Control Center...

  • Page 49: Variable Geometry Diffuser (Vgd) Setpoints Screen

    Variable Geometry Diffuser 2: VGD Lights when an open signal is being applied to the VGD. opening (LED) Variable Geometry Diffuser 2: VGD Lights when a close signal is being applied to the VGD. closing (LED) Model YD Mod D with OptiView Control Center...
  • Page 50 If a Low Limit setpoint is entered which is less than 0.1 VDC below the High Limit setpoint, the High Limit setpoint is adjusted so that it is 0.1 VDC above the newly entered Low Limit value. Model YD Mod D with OptiView Control Center...
  • Page 51 Access level Description Home Service Returns to the Home screen. VGD 1 Service Returns to the Variable Geometry Diffuser 1 Screen. VGD 2 Service Returns to the Variable Geometry Diffuser 2 Screen. Model YD Mod D with OptiView Control Center...

  • Page 52: Variable Geometry Diffuser (Vgd) Calibration Screen

    VGD 1 Service Displays the VGD 1 subscreen that allows viewing of the associated VGD parameters. VGD 2 Service Displays the VGD 2 subscreen that allows viewing of the associated VGD parameters. Model YD Mod D with OptiView Control Center...

  • Page 53: Hot Gas Bypass Screen

    Displays the position of the Lead Compressor VGD over the range of 0% (closed) to Lead VGD position 100% (fully open). Displayed at XXX until calibration procedure is performed by service technician. Surge detected (LED) Lights for 5 seconds each time a surge is detected. Model YD Mod D with OptiView Control Center...
  • Page 54 Minimum load Enables or disables the Minimum Load function. Table 38: Navigation Button Access level Description Home Service Returns to the Home screen. Capacity control Service Returns to the Capacity Control screen. Model YD Mod D with OptiView Control Center...

  • Page 55: Surge Protection Screen

    Lights for 5 seconds each time a single-compressor surge event is detected. Displays the parameter that represents the system differential or “Head Pressure”. It Delta P/P is calculated as (condenser pressure – evaporator pressure) / evaporator pressure. Model YD Mod D with OptiView Control Center...
  • Page 56 Displays a subscreen that allows viewing and programming of the surge protection compressor setup applied when only one compressor is running. Dual compressor View Displays a subscreen that allows viewing and programming of the surge protection setup applied when both compressors are running. Model YD Mod D with OptiView Control Center...

  • Page 57: Surge Protection Screen (Single-Compressor Operation)

    Displays the time remaining in the 10-minute “EXTENDED RUN” period. During this Extended run time remaining period, the Pre-rotation vanes are driven closed and “Warning – Surge Protection – Excess Surge Limit” is displayed. Refer to operation under Count limit. Model YD Mod D with OptiView Control Center...
  • Page 58 Surge sensitivity Service 0.3 to 1.3; default 0.3. The smaller the number, the greater the sensitivity. Clear surge count Admin Allows user to set the Single Compressor Total Surge Count to zero. Model YD Mod D with OptiView Control Center...
  • Page 59 Table 44: Navigation Button Access level Description Home View Returns to the Home screen. Surge View Returns to the Main Surge screen. Model YD Mod D with OptiView Control Center...

  • Page 60: Surge Protection Screen (Dual-Compressor Operation)

    Displays the motor current of the lead compressor as a percentage of the Full Load Lead % Full Load Amps Amps of that compressor motor. Lead PRV position Displays the position of the lead compressor pre-rotation vanes position. Model YD Mod D with OptiView Control Center...
  • Page 61 Lag compressor is starting. This avoids surging during high head conditions. Table 47: Navigation Button Access level Description Home View Returns to the Home screen. Surge View Returns to the Main Surge screen. Model YD Mod D with OptiView Control Center...

  • Page 62: Capacity Control Screen

    Setpoint Ramp Rate. When the chiller is running, performing capacity control, any change to the programmed LCHLT setpoint results in a ramp from the old Active Setpoint value to the new LCHLT setpoint value at the programmed LCHLT Setpoint Ramp Rate. Model YD Mod D with OptiView Control Center...
  • Page 63 Allows the service technician to set the selected PRV or HGBP to a desired position between 05 and 100% for testing. Auto Returns the manually controlled PRV or HGBP back to Automatic program control. Model YD Mod D with OptiView Control Center...
  • Page 64 Returns to the Capacity Cycling screen where the Operator can set the Compressor staging and lockout. Compressor Displays the Compressor screen. Setpoints Displays the Capacity Control Setpoints screen. Hot gas Displays the Hot Gas screen if that option is installed. Model YD Mod D with OptiView Control Center...

  • Page 65: Capacity Control Setpoints Screen

    The desired start position of the Lead compressor PRV. (Adjustable 0% to 100%, Service position Default 0%). Gear ratio Allows the technician to add a buffer above the operating surge plane by adjusting Service override this parameter. (Adjustable 0.0000 to 7.0000, Default 0.0000). Model YD Mod D with OptiView Control Center...
  • Page 66 Table 52: Navigation Button Access level Description Home Service Returns to the Home screen. Capacity control Service Returns to the Capacity Control screen. Anti-surge tuning Service Navigates to the Anti-Surge Tuning screen. Model YD Mod D with OptiView Control Center...

  • Page 67: Anti-Surge Tuning Screen

    Table 53: Navigation Button Access level Description Home Service Returns to the Home screen. Capacity control Service Returns to the Capacity Control screen. Anti-surge tuning Service Returns to the Anti-Surge Tuning screen. Model YD Mod D with OptiView Control Center...

  • Page 68: Capacity Compressor Cycling Screen

    Illuminates when a High Head Lag Start condition exists. Illuminates when the lag compressor is to start if the lead compressor VSD is running Reduced speed lag start (LED) at less than maximum speed. Model YD Mod D with OptiView Control Center...
  • Page 69 Waiting for pulldown delay a 3 minute bypass when the chiller first enters the run state followed by a 5 minute evaluation period to establish the first 5-point rolling average of the Delta T Rate. Model YD Mod D with OptiView Control Center...
  • Page 70 Displayed while the pre-rotation vanes are closing during a Soft Shutdown of the lag Unloading before shutdown compressor. If the decision is made to shutdown the lag compressor while continuing to run the lead compressor, a Soft Shutdown is performed on the lag compressor. Model YD Mod D with OptiView Control Center...
  • Page 71 MVVSD. Both of the compressors are started and stopped together and act as one compressor. Table 57: Navigation Button Access level Description Home View Returns to the Home screen. Capacity control View Returns to the Capacity Control screen. Model YD Mod D with OptiView Control Center...

  • Page 72: Oil Sump Screen

    Displays the time remaining until the user programmed Setpoint Oil Pressure is used. Oil pump 1: Pulldown time While this clock is decrementing, the Target Oil Pressure Setpoint (fixed at 45.0 psid) is remaining in effect. Model YD Mod D with OptiView Control Center...
  • Page 73 Displays a subscreen that allows manual control and programming of the setpoints for compressor #1 Variable Speed Oil Pump. Oil pump 2 View Displays a subscreen that allows manual control and programming of the setpoints for compressor #2 Variable Speed Oil Pump. Model YD Mod D with OptiView Control Center...

  • Page 74: Oil Pump 1 And 2 Screen

    While this clock is decrementing, the Target Oil Pressure Setpoint (fixed at 45.0 psid) is in effect. Manual oil pump operation time left Displays the time remaining in the 10-minute manual oil pump operation. Model YD Mod D with OptiView Control Center...
  • Page 75 Oil Pressure Setpoint. control: Auto Table 63: Navigation Button Access level Description Home View Returns to the Home screen. Oil sump View Returns to the Oil sump screen. Model YD Mod D with OptiView Control Center...

  • Page 76: Motor Starter Screen

    Lead compressor Sets the amount of time that the lead compressor pulldown demand limit setpoint will Operator pulldown time be in effect. Adjustable between 0 and 255 minutes, Default = 0 minutes. Model YD Mod D with OptiView Control Center...
  • Page 77 Returns to the Home screen. VSD 1 View Displays the subscreen which provides more information about Variable Speed Drive VSD 2 View Displays the subscreen which provides more information about Variable Speed Drive Model YD Mod D with OptiView Control Center...

  • Page 78: Low Voltage Variable Speed Drive Screen

    Supply kVa Displays the supply kVa measured by the optional filter. Displays the relationship between the Input Power and the Supply kVA when the Total power factor optional filter is installed. Model YD Mod D with OptiView Control Center...
  • Page 79 Filter details View Displays the subscreen, which provides more information about the Harmonic Filter. (harmonic filter installed only) Motor details View Displays the subscreen that provides information pertinent to the Motor Monitoring feature. Model YD Mod D with OptiView Control Center...

  • Page 80: Medium Voltage Variable Speed Drive Screen

    Displays the voltage rating of the MVVSD as received from the MVVSD. Displayed as Motor voltage rating 2300 V, 3300 V, or 4160 V. If an invalid value is received, INVALID is displayed and the chiller will not run. Model YD Mod D with OptiView Control Center...
  • Page 81 Returns to the Home screen. Motor View Displays the subscreen that provides more information about the motor. Motor details View Displays the subscreen that provides information and setpoints pertinent to the Motor Monitoring feature. Model YD Mod D with OptiView Control Center...

  • Page 82: Motor Lubrication Screen

    The value is reset to zero whenever the Operating Hours (on the Operations Screen) is reset to motor lubrication zero or whenever the Operator enters his/her initials, name or user ID using the Motor Lube Acknowledge key. Model YD Mod D with OptiView Control Center...
  • Page 83 1400 hours. If disabled, a warning will be displayed but the safety shutdown will not occur. Table 73: Navigation Button Access level Description Home View Returns to the Home screen. Motor View Returns to the Motor screen. Model YD Mod D with OptiView Control Center...

  • Page 84: Variable Speed Drive (Vsd) Details Screen

    Displays the heatsink temperature of the converter as reported by the VSD. Displays the baseplate temperatures of the 3 phases of the VSD inverter as reported Heatsink temperature by the VSD. Programmable None Model YD Mod D with OptiView Control Center...
  • Page 85 Table 75: Navigation Button Access level Description Home View Returns to the Home screen. View Returns to the VSD screen. Model YD Mod D with OptiView Control Center...

  • Page 86: Harmonic Filter Details Screen

    Displays the 3-phase RMS currents for each line. Supply contractor (LED) Indicates whether the output to the supply contractor is energized. Precharge contractor (LED) Indicates whether the output to the precharge contractor is energized. Model YD Mod D with OptiView Control Center...
  • Page 87 Programmable None Table 77: Navigation Button Access level Description Home View Returns to the Home screen. View Returns to the VSD screen. Model YD Mod D with OptiView Control Center...

  • Page 88: Motor Details Screen

    When Thermistors are used, there are a maximum of three temperatures used to calculate the average. The text description and data box do not appear when the Winding Temperature Protection option is not installed. Model YD Mod D with OptiView Control Center...
  • Page 89 Displays the Shaft End and Opposite End vibration values established during the initial Motor bearings: Vibration baseline startup of the chiller. Programmable None Table 79: Navigation Button Access level Description Home View Returns to the Home screen. Motor View Returns to the Motor screen. Model YD Mod D with OptiView Control Center...

  • Page 90: Electro-Mechanical Starter Screen

    Lights when compressor #1 motor is being commanded to run. Otherwise, off. Displays the motor current of compressor #1 motor as a percentage of the Full Load Motor 1 and 2: % Full Load Amps Amps of that motor. Model YD Mod D with OptiView Control Center...
  • Page 91 Lead Compressor Pulldown Demand Limit setpoint (30-100% FLA). After the Lead Compressor Pulldown Time setpoint has elapsed, the chiller current limit will be limited to the value programmed for the Current Limit setpoint. Model YD Mod D with OptiView Control Center...
  • Page 92 Displays the motor temperatures and vibration readings if the optional Motor Monitoring system is installed on Motor 2. Motor lubrication View Moves to the subscreen allowing operator acknowledgment of the compressor motor lubrication and viewing of the compressor motor lubrication parameters. Model YD Mod D with OptiView Control Center...

  • Page 93: Setpoints Screen

    “System Run” until the Leaving Chilled Liquid Temperature is within 2ºF of the Leaving Chilled Liquid Temperature setpoint. During this period, the Chiller Pulldown Demand Limit setpoint is in effect. The Chiller Current Limit setpoint is in effect for the remainder of “System Run”. Model YD Mod D with OptiView Control Center...
  • Page 94 0-10 VDC or 0-20 mA, this setpoint must be programmed for 0-10 VDC. input range If the remote signal is 2-10 VDC or 4-20 mA, this setpoint must be programmed for 2-10 VDC. Print View Prints the Setpoints report. Model YD Mod D with OptiView Control Center...
  • Page 95 Table 85: Navigation Button Access level Description Home View Returns to the Home screen. Setup View Displays the subscreen allowing setup of general system parameters. Model YD Mod D with OptiView Control Center...

  • Page 96: Setup Screen

    Is set to Enabled if optional Motor Heaters are installed or Disabled if they are not Motor heaters Service installed. Displays Enabled, indicating that the Safety Stop switch is installed on the control Safety stop Service panel. Model YD Mod D with OptiView Control Center...
  • Page 97 Displays the subscreen displaying the Sales Order information for the chiller system. Operations View Displays the subscreen displaying operating parameters of the chiller system. Diagnostics Service Displays the subscreen displaying operating parameters of the chiller system. Model YD Mod D with OptiView Control Center...

  • Page 98: Schedule Screen

    As each week goes by, the new stop times schedule will be created for the present week using the Exception specification in combination with the Standard week definition, as described above. Model YD Mod D with OptiView Control Center...
  • Page 99 Repeat Sunday Operator weekdays. Print View Generates a Schedule print report. Table 89: Navigation Button Access level Description Home View Returns to the Home screen. Setup View Returns to the previous setup screen. Model YD Mod D with OptiView Control Center...

  • Page 100: User Screen

    USER Screen to another Screen. Available languages are English, Traditional Chinese, Simplified Chinese, French, Portuguese, Spanish, Italian, German, Hungarian, and Turkish. English / metric Operator Define the unit system (English or Metric) of the display. units Model YD Mod D with OptiView Control Center...
  • Page 101 Table 91: Navigation Button Access level Description Home View Returns to the Home screen. Setup View Returns to the Setup screen. Model YD Mod D with OptiView Control Center...

  • Page 102: Comms Screen

    Define the number of stop bits with which the panel shall communicate to the printer. Table 94: Navigation Button Access level Description Home View Returns to the Home screen. Setup View Returns to the Setup screen. Model YD Mod D with OptiView Control Center...

  • Page 103: Printer Screen

    Generates a file that can be read into a PC running Excel to view the VSD waveforms. waveforms Table 97: Navigation Button Access level Description Home View Returns to the Home screen. Setup View Returns to the Setup screen. Model YD Mod D with OptiView Control Center...

  • Page 104: Sales Order Screen

    Sales order screen Figure 41: Sales order screen This screen displays the sales order parameters. The commissioning date is entered by the YORK service technician at the time of chiller commissioning. The remainder of the values are entered at the YORK factory during the manufacturing of the chiller.

  • Page 105: Operations Screen

    Chiller style/ Service to change requirements of the entered chiller and compressor. The selection determines the compressor minimum (default) allowable coastdown duration programmable with the Coastdown Time Setpoint on the SETUP Screen. Model YD Mod D with OptiView Control Center...
  • Page 106 Otherwise, it should be disabled. Table 103: Navigation Button Access level Description Home View Returns to the Home screen. Setup View Returns to the Setup screen. Model YD Mod D with OptiView Control Center...

  • Page 107: Diagnostics Screen

    Default unit setpoints button on the Capacity Control screen. That button does not need to be pressed because the Default Unit Setpoints button on the Diagnostic screen will set all of the parameters. Model YD Mod D with OptiView Control Center...
  • Page 108 Motor Monitoring Board Navigates to the Motor Monitoring Board screen. I/O Board Navigates to the I/O Board screen. Diag Setpoints Navigates to the Diag Setpoints screen. Maintenance Navigates to the Maintenance screen. Model YD Mod D with OptiView Control Center...

  • Page 109: Maintenance Screen

    Yearly Service appears as yellow in the System Details line when the quarterly service is due. The Test Op Warning warning clears when you press the Maintenance Acknowledge button and enter code 0726. Model YD Mod D with OptiView Control Center...
  • Page 110 Table 109: Navigation Button Description Maintenance Acknowledge Acknowledges maintenance using the Maintainance Acknowledge password. Home Returns to the Home screen. Setup Returns to the Setup screen. Diagnostics Returns to the Diagnostics screen. Model YD Mod D with OptiView Control Center...

  • Page 111: History Screen

    This generates a report listing the status of the chiller parameters at the time of the Print history View selected shutdown. This generates a report listing the status of the chiller parameters at the time of each Print all histories View of the stored shutdowns. Model YD Mod D with OptiView Control Center...
  • Page 112 Displays a subscreen allowing the user to view the Custom Setup Screen. Security log Service Causes a move to a subscreen allowing the user to view a record of the last 75 setpoint changes. Model YD Mod D with OptiView Control Center...

  • Page 113: History Details Screen

    This generates a report listing the status of chiller parameters at the time of selected Print history View shutdown. Table 115: Navigation Button Access level Description Home View Returns to the Home screen. History View Returns to the History screen. Model YD Mod D with OptiView Control Center...

  • Page 114: Security Log Screen

    Service Returns to the Home screen. History Service Returns to the History screen. View details Service Displays a subscreen containing the details of the setpoint change selected with the Log Entry key. Model YD Mod D with OptiView Control Center...

  • Page 115: Security Log Details Screen

    Table 120: Programmable Button Access level Description Print Service Generates a report of change parameters displayed. Table 121: Navigation Button Access level Description Security log Service Returns to the Security Log screen. Model YD Mod D with OptiView Control Center...

  • Page 116: Custom View Screen

    Button Access level Description Home View Returns to the Home screen. History View Returns to the History screen. Setup Service Displays the subscreen that allows selection of the parameters to be displayed. Model YD Mod D with OptiView Control Center...

  • Page 117: Custom View Setup

    Pressing this key clears all selected parameters from the Custom View screen. Table 126: Navigation Button Access level Description Home View Returns to the Home screen. Custom view Service Returns to the Custom View screen. Model YD Mod D with OptiView Control Center...

  • Page 118: Trend Screen

    If a power failure occurs while the trending is running, the trending is stopped. Upon restoration of power, the last screen of data that was collected will be displayed on the trending screen. The START key must be pressed to initiate a new trend screen. Model YD Mod D with OptiView Control Center...
  • Page 119 Access level Description Home View Returns to the Home screen. History View Returns to the History screen. Trend setup Displayed if the trending is stopped. Displays a subscreen for configuring the trending display. Model YD Mod D with OptiView Control Center...

  • Page 120: Trend Setup Screen

    Data Collection Interval is programmed for 900 seconds, the parameter would be sampled every 900 seconds, with the last 112.5 hours (4.7 days) of data viewable on the screen. Therefore, the selected interval is a compromise between resolution and full screen time display. Model YD Mod D with OptiView Control Center...
  • Page 121 The desired parameters to be plotted are selected from this screen. Triggers View Displays the Advanced Trend Setup Screen, where the start/stop Triggers can be setup. Only displayed if TRIGGERED has been selected as Chart Type. Model YD Mod D with OptiView Control Center...

  • Page 122: Advanced Trend Setup Screen

    While waiting for the triggers to start or stop data collection, a status message is displayed in the upper right corner of the Trend screen describing the pending action. Model YD Mod D with OptiView Control Center...
  • Page 123 Secondary Trigger minimum to the Secondary Trigger maximum. Table 132: Navigation Button Access level Description Home View Returns to the Home screen. Trend setup View Returns to the Trend Setup screen. Model YD Mod D with OptiView Control Center...

  • Page 124: Common Slots Screen

    Operator Lists the slot numbers of the available parameters. Table 135: Navigation Button Access level Description Home View Returns to the Home screen. Trend setup View Returns to the Trend Setup screen. Model YD Mod D with OptiView Control Center...

  • Page 125: Slot Numbers

    Discharge Valve 18464 Discharge Valve Close Command 18463 Discharge Valve Open Command 18443 Vane Motor Switch 18444 PRV Position 18445 PRV Opening 18446 PRV Closing 18437 High Speed Thrust Bearing Proximity Differential Model YD Mod D with OptiView Control Center...
  • Page 126 Operating Hours Since Last Motor Lubrication 2818 VSD 1 Input Power 2822 VSD 1 Output Frequency 2823 VSD 1 Output Voltage 2824 VSD 1 Phase A Output Current (RMS) 2825 VSD 1 Phase B Output Current (RMS) Model YD Mod D with OptiView Control Center...
  • Page 127 HGBP Control Mode 17685 Head Pressure 18288 Speed of Sound 18289 Isentropic Head 18290 Omega 18242 Lead Surge Mach 18243 Lag Surge Mach 18305 Lead Anti-Surge Transient Offset 17778 Lag Anti-Surge Transient Offset Model YD Mod D with OptiView Control Center...
  • Page 128 Lead Surge Frequency 18241 Lag Surge Frequency 17681 Active Anti-Surge Minimum Frequency 17682 Lead Active Minimum PRV Position 17777 Evaporator Pressure Override Threshold 17776 Condenser Pressure Override Threshold 18251 Lead Motor Current Override Threshold Model YD Mod D with OptiView Control Center...

  • Page 129: Display Messages

    The Prelube duration is either 50 seconds or 180 seconds, as configured with a Microboard Program Switch. The Pre-lube duration must never be changed by anyone other than a qualified Service Technician. The standard Prelube duration is 50 seconds. Model YD Mod D with OptiView Control Center...

  • Page 130: Run Messages

    Compressor #2 is inhibited from starting because its 30 minute anti-recycle period is in Motor #2 Start Inhibit – Anti-recycle effect, but compressor #1 is able to run. This message clears when the 30 minute timer expires. Model YD Mod D with OptiView Control Center...

  • Page 131: Start Inhibit Messages

    #2 are not fully closed (Vane motor switch is open) and compressor #1 is unable to run. This inhibit is released when the Vanes have fully closed (Vane motor switch has closed). Model YD Mod D with OptiView Control Center...

  • Page 132: Warning Messages

    While the VGD is in manual control mode • While the VGD is fully closed with position at 0% - VGD limit switch closed • While the pre-rotation vanes position is greater than the PRV VGD inhibit setpoint Model YD Mod D with OptiView Control Center...
  • Page 133 Count Limit setpoint during single compressor operation. This message can be cleared with the Warning Reset key in operator access level (or higher) after the Surge Window Count is less than the Count Limit. Model YD Mod D with OptiView Control Center...
  • Page 134 In brine cooling applications, the threshold is a fixed amount above the programmable safety shutdown threshold. The safety threshold in brine applications is determined by the brine solution and is determined by the YORK factory. While this condition is in effect, the pre-rotation vanes are inhibited from further opening.

  • Page 135: Routine Shutdown Messages

    In Run Position operator is requested to place the compressor switch in the run position. The control center will not accept a remote start/stop command unless the switch is in the run position. Model YD Mod D with OptiView Control Center...

  • Page 136: Cycling Shutdown Messages

    The motor current value is provided by CM-2 board 1 to the Microboard. The chiller will automatically restart at the completion of coastdown. Model YD Mod D with OptiView Control Center...
  • Page 137 Board TB3-70. The drive initiates a shutdown anytime its internal protection circuits will not permit the Drive to run. The contacts remain open until its internal protection circuits are satisfied and any applicable manual resets are performed. Refer to YORK Variable Speed Oil Pump Drive Service Manual 160.52-M2.
  • Page 138 O Board TB3-71. The drive initiates a shutdown anytime its internal protection circuits will not permit the drive to run. The contacts remain open until its internal protection circuits are satisfied and any applicable manual resets are performed. Refer to YORK Variable Speed Oil Pump Drive Service Manual 160.52-M2.
  • Page 139 The condenser water flow switch has remained open for 30 continuous seconds while the Condenser – Flow Switch Open chiller was running. This check is bypassed for the first 30 seconds of system run. The chiller will automatically restart when the flow switch closes. Model YD Mod D with OptiView Control Center...

  • Page 140: Safety Shutdown Messages

    For brine cooling applications, the safety shutdown threshold varies according to the concentration of the brine solution. The brine shutdown threshold is programmed at the YORK factory. It should not be changed by anyone other than a qualified service technician.
  • Page 141 If it is not, the warning condition will revert back to a shutdown as soon as the lockout is removed and will cause the chiller to trip. Model YD Mod D with OptiView Control Center...
  • Page 142 PSID. This fault is only checked if both the compressor #2 Pump transducer and the Sump transducer are in range. The chiller can be started after the differential is <90.0 PSID and the Operator presses the Clear Faults button. Model YD Mod D with OptiView Control Center...
  • Page 143 After the first 30 seconds of compressor #1 run, the differential oil pressure was < the Setpoint/Target oil pressure with the oil pump drive speed command at 60 Hz for 5 continuous seconds. The chiller can be started after the Operator presses the Clear Faults button. Model YD Mod D with OptiView Control Center...
  • Page 144 The clearance is only checked during the last 20 seconds of “System Prelube”, during “System Run” and during “Coastdown”. Therefore, the fault is only detected during those periods. Also, the +10 mil threshold must be exceeded for 2 continuous seconds. Model YD Mod D with OptiView Control Center...
  • Page 145 The clearance is only checked during the last 20 seconds of “System Prelube”, during “System Run” and during “Coastdown”. Therefore, the fault is only detected during those periods. Also, the +10 mil threshold must be exceeded for 2 continuous seconds (instantaneous with previous software). Model YD Mod D with OptiView Control Center...
  • Page 146 (as indicated by the PRV end-switch) while compressor 1 was running. The FULLY CLOSED chiller can be started after the PRV end switch has closed and the Operator presses the Clear Faults button. Model YD Mod D with OptiView Control Center...

  • Page 147: Printers

    Automatic Printer Logging - Enables and disables automatic data logging. • Log Start Time - Enter the time the first print is desired. • Output Interval - Enter the desired interval between prints. Model YD Mod D with OptiView Control Center...

  • Page 148: Downloading System Prints To A Laptop

    Pin 5 Clear To Send Pin 6 Data Set Ready Pin 8 Received line Signal Detector (Data Carrier Pin 7 Signal Ground Detect) Pin 20 Data Terminal Ready Pin 22 Ring Indicator Model YD Mod D with OptiView Control Center...
  • Page 149 A serial cable to go from the OptiView Control Panel to the serial port is available from the parts center (P/N 075-90490-230). Figure 56: OptiView panel to PC serial cable Table 148: Wiring positions Signal Color Position 2 Black Position 3 Position 4 White Position 5 Green Model YD Mod D with OptiView Control Center...
  • Page 150 Figure 57: Sample printout (status) Model YD Mod D with OptiView Control Center...
  • Page 151 Figure 57: Sample printout (status) Model YD Mod D with OptiView Control Center...
  • Page 152 Figure 58: Sample printout (setpoints) Model YD Mod D with OptiView Control Center...
  • Page 153 Figure 58: Sample printout (setpoints) Model YD Mod D with OptiView Control Center...
  • Page 154 Figure 59: Sample printout (schedule) Model YD Mod D with OptiView Control Center...
  • Page 155 Figure 60: Sample printout (sales order) Model YD Mod D with OptiView Control Center...
  • Page 156 Figure 61: Sample printout (history) Model YD Mod D with OptiView Control Center...
  • Page 157 Figure 61: Sample printout (history) Model YD Mod D with OptiView Control Center...
  • Page 158 Figure 62: Sample printout (security log report) Figure 63: Sample printout (trend data new or existing points) Model YD Mod D with OptiView Control Center...
  • Page 159 Figure 64: Sample printout (custom screen report) Model YD Mod D with OptiView Control Center...

  • Page 160: Unit Conversion

    To convert a temperature range (i.e., a range of 10°F) from Fahrenheit to Celsius, multiply by 5/9 or 0.5556. Example: 10.0°F range x 0.5556 = 5.6°C range. © 2021 Johnson Controls. 5000 Renaissance Drive, New Freedom, York, PA 17349, USA. Subject to change without notice. All rights reserved.

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