York YK Style H Operation Manual
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York YK Style H Operation Manual

Centrifugal liquid chillers with optiview control center
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Model YK Style H Centrifugal Liquid
Chillers with OptiView Control Center
With R-134a or R-513A Refrigerant, for Electromechanical
Starter, Solid State Starter, and Variable Speed Drive
Operations Manual
Issue Date: 2021-08-13
Form Number: 160.76-O2 (821)
Supersedes: 160.76-O2 (721)

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Summary of Contents for York YK Style H

  • Page 1 Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center With R-134a or R-513A Refrigerant, for Electromechanical Starter, Solid State Starter, and Variable Speed Drive Operations Manual Form Number: 160.76-O2 (821) Issue Date: 2021-08-13 Supersedes: 160.76-O2 (721)
  • Page 2 Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 3: Table Of Contents

    Variable Geometry Diffuser screen......................67 Variable Geometry Diffuser setpoints screen..................69 Variable Geometry Diffuser calibration screen..................71 Pre-rotation vanes calibration screen......................73 VSD tuning screen............................75 Oil sump screen............................77 Electromechanical starter screen......................80 Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 4 Common slots screen..........................160 Master slot numbers list........................162 Display messages............................165 Status messages..........................165 Run messages............................ 166 Start inhibit messages........................167 Warning messages..........................168 Routine shutdown messages......................172 Cycling shutdown messages......................172 Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 5 Compressor motor variable speed drive: safety shutdown messages........192 Printing................................195 Printing overview..........................195 Acceptable printers........................... 196 Printer setup............................197 Control center setup......................... 198 Downloading system prints to a laptop..................198 Sample printouts..........................201 Unit conversion............................212 Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 6 Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 7: General Safety Guidelines

    Note: Highlights additional information useful to the technician in completing the work being performed properly. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 8: York Chiller Access Manager - System Security Statement

    Chiller Access Manager is a feature that provides secure access to YORK chiller control ® panels. Users download the YORK Chiller Access Manager app, create an account, and use the app to generate dynamic access codes. This feature provides owners control of and visibility of the users who are operating, maintaining, and servicing their chiller, which ensures protection of an asset that is critical to facility operation.

  • Page 9: Changeability Of This Document

    Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 10: Associated Literature

    Controls Branch can propose a customized Planned Service Agreement that leverages real time and historical data, delivering performance reporting, corrective actions required and data enabled guidance for optimal operation and lifecycle assurance. The program will include fault detection Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 11: Nomenclature

    Johnson Controls Connected Equipment Portal. Nomenclature * Refer to YK Engineering Guide (Form 160.76-EG1) for Shell/Motor/Compressor combinations. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 12: Description Of System And Fundamentals Of Operation

    OptiView Control Center is applied with an Electromechanical Starter, YORK Solid State Starter (optional), or Variable Speed Drive (optional). When the compressor motor is driven by a YORK Solid State Starter, one of two different starters could be applied. Later production chillers are equipped with either the Style B Liquid Cooled Solid State Starter (LCSSS) or the Medium Voltage Solid State Starter (MVSSS).

  • Page 13: Capacity Control

    The automatic adjustment of the vane position in effect provides the performance of many different compressors to match various load conditions from full load with vanes wide open to minimum load with vanes completely closed. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 14 Refrigerant flow-through chiller (falling film evaporator) Figure 4: Refrigerant flow-through chiller Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 15: Optiview™ Control Center Introduction

    It controls the leaving chilled liquid temperature via Pre-rotation Vane controls and has the ability to limit motor current via control of the Pre-rotation Vanes. It is compatible with YORK Solid State Starter (optional), Variable Speed Drive (optional), and Electromechanical Starter applications.

  • Page 16: Optiview™ Control Center

    At the base of the display are 5 additional buttons. The area to the right of the keypad is used for data entry with a standard numeric keypad provided for entry of system setpoints and limits. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 17: Safety Stop

    The Safety Stop button must be rotated clockwise to release the stop condition. The safety stop is not intended for normal shutdown of the chiller. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 18: Interface Conventions Overview

    Users logged on under higher access levels may perform any actions permitted by lower access levels. Correct procedure requires that after making necessary setpoint adjustments, the user returns to the Home screen and logs off. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 19 Each successful or failed logon attempt generates an entry in the access log. Each logoff generates an entry in the access log. YORK Chiller Access Manger logon instructions You can access YORK Chiller Access Manager to generate access codes for the control panel in the following ways: •...
  • Page 20 On the chiller asset page, click on the chiller. Figure 8: Chiller asset page Click Access Codes in the lower left area of the page. Figure 9: Access codes Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 21 If your name is not displayed, click Add, search for your name, and click Generate code. Figure 11: Adding a name Select the start date for your code and the access level, if applicable. Click Generate Access Code. Figure 12: Selecting start date Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 22 Log on to the YORK Chiller Access Manager app. Figure 14: YORK Chiller Access Manager app Tap the Add icon in the lower-right corner of the screen. Figure 15: Adding a chiller Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 23 On the Chiller Details screen, tap Generate Access Code. Figure 17: Chiller details Select a start date if not today's date and tap Generate Access Code. Figure 18: Generating access code Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 24 To log on to the OptiView panel, press the Login button on the Home screen. Figure 20: Home screen On the Login screen, press the Login button. Figure 21: Login screen Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 25 Some keys are used to perform manual control functions. These may involve manual control of items such as the Pre-rotation Vanes, variable orifice or oil pump speed. Other keys in this category are used to initiate/terminate processes such as calibrations or reports. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 26: Navigation

    The system will immediately refresh the display with the graphics for that screen. Following is a layout of all the screens and how they are connected. Figure 23: Screen layout Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 27 — — — — and Opposite End) Note: * Saturation temperatures are calculated values. They will display XXX if the pressure used for the calculation is out of range. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 28: Optiview Screens

    Note: For fields requiring access level of Service, Service Technicians must refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 29 This button must always be used to stop the chiller unless an emergency situation exists, in which case the Safety Stop button can be used. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 30: Home Screen With Stop Button

    Units, Scheduling, and Printer Setup. Navigates to the History screen, which provides a snapshot of system data at each of the last 50 History shutdown conditions. It also displays trending operating parameters. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 31: System Screen

    Displays the saturation temperature in the condenser. Displays the temperature of the oil in the sump. (Only displayed when a Variable Oil Sump Temperature Speed Oil Pump is installed.) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 32 Displays the present refrigerant pressure in the evaporator. Evaporator Saturation Displays the present saturation temperature in the evaporator. Programmable None Table 11: Navigation Button Access level Description Home View Returns user to Home screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 33: Evaporator Screen

    Displays whether the liquid flow is present in the evaporator. Closed) Displays the command presently sent by the Control Center to the Chilled Liquid Pump Chilled Liquid Pump (RUN or STOP.) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 34 When an Evaporator Refrigerant Sensor has been installed, it must be Service JCI Service (Enabled/ enabled via this toggle before the system can use the new, enhanced Disabled) resolution input. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 35 Moves to a subscreen where you can program and view the Heat Pump Heat Pump View View Setpoints and parameters. It only appears when Heat Pump is enabled on the Setup Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 36: Condenser Screen

    Appears when the Heat Recovery is enabled. Entering Heating Condenser Liquid Displays the temperature of the liquid as it enters the heating condenser tube bundle. Temperature Appears when the Heat Recovery is enabled. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 37 Disabled) resolution input. Fault This allows clearing of the High Condenser Pressure Fault while Shutdown Service JCI Service Acknowledge (Condenser-High Pressure Stopped). Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 38 Moves to a sub screen allowing programming and viewing of the Heat Heat Pump View View Pump Setpoints and parameters. Only appears when Heat Pump is enabled on the Setup Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 39: Heat Recovery/Head Pressure Control Screen

    Note: Requires a login access level of SERVICE. Service Technicians must refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 40 Inactive is displayed. The feature that controls the valve at any given time and when it is inactive is determined by operating conditions as shown in the flowchart in the Heat Recovery Section in OptiView Control Center – Service Instructions (Form 160.76-M1). Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 41 Sets the Derivative Gain of the Hot Water Control (0.00 to 5.00; default 0.00). Use the Change Hot Water Control – D Setpoints key as described above to select/enter this setpoint. Appears when Hot Water Control is enabled. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 42 Change Setpoints key as described above to select/enter this setpoint. Appears when Head Pressure Control is enabled. Table 20: Navigation Button Description Home Returns the user to Home screen. Condenser Returns the user to Condenser screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 43: Head Pressure Control Screen

    Displays the temperature of the liquid as it leaves the standard condenser tube Temperature bundle. Displays the pressure difference between the condenser and evaporator (condenser Head Pressure minus evaporator). This is also called the Head Pressure. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 44 Change Setpoints key as described above to select/enter this setpoint. Table 23: Navigation Button Description Home Returns the user to Home screen. Condenser Returns the user to Condenser screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 45: Heat Pump Screen

    LEAVING CONDENSER LIQUID – HIGH TEMPERATURE cycling shutdown in Temperature Setpoints – Shutdown Heating mode. See Leaving Condenser Liquid Temperature Cycling Offset – Shutdown Setpoint description below. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 46 Temperature). The high limit for this setpoint is the Leaving Condenser Liquid Temperature Setpoint. The default is (Leaving Condenser Liquid Temperature Setpoint minus 60°F). The Heat Pump restarts when the Leaving Chilled Liquid Temperature exceeds this shutdown temperature by 5°F. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 47 Chiller Access Manager Home View View Returns the user to Home screen. Evaporator View View Returns user to Evaporator screen. Condenser View View Returns user to Condenser screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 48: 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 YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 49 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Condenser View View Returns the user to Condenser screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 50: Compressor Screen

    Displays the temperature of the oil in the sump Displays the temperature of the refrigerant in its gaseous state at discharge of the Discharge Temperature compressor as it travels to the condenser. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 51 Only available if the chiller is stopped. Navigates to the subscreen allowing calibration Proximity Probe Calibrate of the High Speed Thrust Bearing Proximity Probe sensor. Only shown on units with a Proximity Probe. Requires Service Access level. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 52: Capacity Control Screen

    [Evaporator] Entering Liquid Displays the temperature of the chilled liquid as it enters the evaporator. [Evaporator] Leaving Liquid Displays the temperature of the chilled liquid as it leaves the evaporator. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 53 Active Min: Displays the prevailing minimum value to which the control to the device is limited, based upon surge controls or operating limits. • Control State: Displays whether the device is under Automatic or Manual control. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 54 Moves to the Hot Gas Bypass subscreen. This button will only be shown Hot gas Service JCI Service and enabled when the Access Level is Service or greater and the Hot Gas option is enabled. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 55: Capacity Control Setpoints Screen

    Discharge Superheat Limit Offset Adjustable -5.0°F (diff) to 5.0°F (diff), Default: 0.0°F (diff). Carryover Current Limit Offset Adjustable -10.0% to +10.0%, Default 0.0°% Capacity Control Gain Adjustable Low, Medium, High, Default: Medium Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 56 Table 38: Navigation Button Description Home Navigates to the Home Screen Capacity Control Navigates to the Capacity Control Screen Anti-Surge Tuning Navigates to the Anti-Surge Tuning Screen Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 57: Anti-Surge Turning Screen

    Product Technical Support. Table 39: Navigation Button Description Home Navigates to the Home screen. Capacity Control Navigates to the Capacity Control screen. Setpoints Navigates to the Capacity Control Setpoints screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 58: Capacity Control Override Tuning Screen

    Navigates to the Home screen. Capacity Control Navigates to the Capacity Control screen. Setpoints Navigates to the Capacity Control Setpoints screen. More Overrides Toggles the set of overrides displayed. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 59: Proximity Probe Calibration Screen

    Calibration in Progress (LED) Indicates that the calibration sequence is in progress. These are text messages which step the user through the calibration process and Calibration Messages indicate its success or failure. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 60 This option is only displayed if a fault is present. Allows clearing of High Speed Thrust Fault Acknowledge Bearing related shutdowns. Table 43: Navigation Button Description Home Navigates to the HOME screen. Compressor Navigates to the COMPRESSOR screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 61: Hot Gas Bypass Screen

    Only displayed if equipped with a VSD or MV VSD. Illuminates momentarily when a ACC Surge Detected (LED) surge is detected by the ACC function in the Microboard, while the drive is at less than maximum frequency. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 62 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Capacity View View Returns the user to Capacity Control screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 63: Surge Protection Screen

    Count Window minutes. This value is reset when the chiller shuts down. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 64 EXCESS SURGE LIMIT is displayed. See operation under Count Limit. Displays the current state that the Surge Detection routine is in: • Inactive Surge Detection State • Startup Wait • Evaluating Conditions • Surge Detected Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 65 (Surge Window Count) are compared Count Window Operator Standard to the maximum allowed (Count Limit), for the purpose of detecting an Excess Surge situation. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 66 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Compressor View View Returns the user to Compressor screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 67: Variable Geometry Diffuser Screen

    Displays the number of times the Stall Detector Board output voltage goes above the Stall Count High Limit Setpoint. The count can be cleared with in ADMIN access level using the VGD CYCLE COUNT key on the VGD SETPOINTS Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 68 Navigates to the subscreen that allows programming of the Variable Setpoints Service JCI Service Geometry Diffuser setpoints. Navigates to the subscreen that allows calibration of the Variable VGD Calibrate Service JCI Service Geometry Diffuser feedback potentiometer. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 69: Variable Geometry Diffuser Setpoints Screen

    Shows the maximum calculated value that the VGD will be allowed to open for the Maximum VGD Position present condition. (0 to 100%). Opening too far could cause surge. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 70 V09 software with YORK Button Description and earlier Chiller Access Manager Home Service JCI Service Returns user to Home screen. Service JCI Service Returns user to Variable Geometry Diffuser screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 71: Variable Geometry Diffuser Calibration Screen

    This key puts the VGD in manual mode and sends a CLOSE command to the VGD. [VGD] Hold (Manual) This key puts the VGD in manual mode and sends a HOLD command to the VGD. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 72 YORK Button Description and earlier Chiller Access Manager Home Service JCI Service Returns the user to Home Screen. Service JCI Service Returns the user to Variable Geometry Diffuser Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 73: Pre-Rotation Vanes Calibration Screen

    This option only becomes available after calibration has started. Text messages are displayed indicating to step the user through the calibration Calibration Messages process and indicate its success or failure. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 74 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home Screen. Compressor View View Returns the user to Compressor Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 75: Vsd Tuning Screen

    [Pre-rotation Vanes] Open (LED) Illuminates when an OPEN command is being sent to the vanes. [Pre-rotation Vanes] Close (LED) Illuminates when a CLOSE command is being sent to the vanes. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 76 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home Screen. Compressor View View Returns the user to Compressor Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 77: Oil Sump Screen

    Displays the actual speed command being sent to the VSOP. This value could be Frequency (Variable Speed Oil Pump the result of automatic control based on the Oil Pressure Setpoint, or the result of a Only) manual speed command. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 78 During coastdown, the solenoid operation is not changed from standard logic, it remains closed. During startup the operation is not changed from standard logic, it remains closed for 1 minute after System Run. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 79 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home Screen. Compressor View View Returns the user to Compressor Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 80: Electromechanical Starter Screen

    Note: For fields requiring access level of SERVICE. Service Technicians must refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 81 VSD will save compared to a Constant Speed chiller. Moves to the subscreen allowing operator acknowledgment of the Motor Lube View View compressor motor lubrication and viewing of the compressor motor lubrication parameters. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 82: Mod B Solid State Starter Screen

    Note: For fields requiring access level of SERVICE. Service Technicians must refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 83 Navigates to a subscreen that provides information and setpoints Motor Details Service JCI Service pertinent to the Motor Monitoring feature. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 84: Medium Voltage Solid State Starter Screen

    Note: For fields requiring access level of SERVICE. Service Technicians must refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 85 Moves to a subscreen that provides information and setpoints pertinent Motor Details Service JCI Service to the Motor Monitoring feature. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 86: Hyp/Mod D Variable Speed Drive Screen

    Note: For fields requiring access level of SERVICE. Service Technicians must refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 87 Service JCI Service pertinent to the Motor Monitoring feature. Filter Details (Harmonic Navigates to a subscreen that provides more information about the View View Filter installed harmonic filter. only) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 88: Variable Speed Drive Screen

    Note: For fields requiring access level of SERVICE. Service Technicians must refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 89 Moves to the subscreen which provides more information about the VSD Details View View variable speed drive. Moves to a subscreen that provides information and setpoints pertinent Motor Details Service JCI Service to the motor. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 90: Medium Voltage Variable Speed Drive Screen

    Precharge Relay Output (LED) Illuminates when the pre-charge relay is commanded to energize. Output Current (Phase A, B, C) Displays the three phases of output current to the motor. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 91 2000 438 A 312 A 248 A 2250 494 A 345 A 274 A 2500 561 A 391 A 310 A Max. Job/Rated 100% FLA (A) (Programmed Drive Current) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 92 Moves to a subscreen that provides information and setpoints pertinent Motor Details Service JCI Service to the Motor Monitoring feature. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 93: Adaptive Capacity Control Details Screen

    Speed Decrease Inhibit – Surge Map Illuminates when the Microboard ACC function is unable to reduce speed due to a Point (LED) mapped surge point. Otherwise, it is extinguished. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 94 Returns the user to Home Screen. Capacity View View Navigates to the Capacity Control Screen. Control Surge Map Service JCI Service Causes a jump to the subscreen that displays the surge map. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 95: Surge Map Screen - Table View

    Note: Requires a login access level of SERVICE. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 96 Returns the user to Home Screen. Capacity Service JCI Service Returns the user to the Capacity Control Screen. Control ACC Details Service JCI Service Returns the user to ACC Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 97: Surge Map Screen - List View

    This key scrolls the contents of the view window to the next list of parameters. If the Page Down window cannot be scrolled down, this key is not displayed. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 98 Table 94: Navigation Button Description Home Returns user to HOME Screen. Capacity Control Returns user to Capacity Control Screen. ACC Details Returns user to ACC DETAILS Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 99: Harmonic Filter Details Screen

    Displays the 3-phase peak voltages as measured by the Harmonic Filter (Neutral to Voltage Peak (N-L1, N-L2, N-L3) Line). RMS Voltage (L1-L2, L2-L3, L3-L1) Displays the 3-phase RMS Voltages across each line. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 100 V10 and later V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. View View Returns the user to VSD screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 101: Motor Lubrication Screen

    This lubrication notification and shutdown feature can be enabled or disabled based on the customer’s preference using the Auto Lube and Shutdown keys. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 102 Service JCI Service Type See Motor Nameplate message if the specified lubricant is other than one of the four common ones listed. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 103 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Motor View View Returns the user to Motor screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 104: Motor Details Screen

    VSD is operating the motor. This value is returned from the VSD Logic Board. Displays the present pre-rotation vanes position as a value between 0% (closed) and PRV Position 100% (full open). Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 105 Motor Cooling Coil Leak Detected Coil Leak Protection) indicates a leak. The LED and text description do not appear (LED) when the Motor Cooling Coil Leak Protection Setpoint is set to Disabled. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 106 Note: For fields requiring access level of SERVICE. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 107 RTDs, via the motor monitoring board serial communications. • VSD transmitter: Enables and displays the 2 motor bearing temperatures, as reported by the bearing transmitters via the VSD logic board serial communications. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 108 Vibration Baseline values (0.1 - 5; default 2). The vibration values are not in any particular units of measure. They are relative values. The larger the number, the greater the magnitude of vibration represented. A special password is required. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 109 Returns the user to Home screen. Motor View View Returns the user to Motor screen. Moves to a subscreen allowing programming of additional motor Setpoints Service JCI Service monitoring setpoints. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 110: Motor Setpoints Screen

    Protection Setpoint on the Motor Details screen is set to Disabled. Displays the Winding Hotspot Allowance temperature. Not shown when Winding Winding Hotspot Allowance Temperature Protection Setpoint on the Motor Details screen is set to Disabled. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 111 Note: For fields requiring access level of SERVICE. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 112 When the Motor Vibration Protection Setpoint is set to Disabled, no baseline vibration values are displayed and the heading, text and data boxes do not appear. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 113 Button Description and earlier Chiller Access Manager Home Service JCI Service Returns the user to Home screen. Motor Details Service JCI Service Returns the user to Motor Details screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 114: Setpoints Screen

    Note: For fields requiring access level of SERVICE. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 115 Setup View View Navigates to the subscreen allowing setup of general system parameters. Navigates to the subscreen allowing setup of the Remote Control BAS Remote Control Operator Standard interface. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 116: Remote Control

    Displays the Active Cooling Setpoint as well as the Local, Remote Analog and Remote Cooling Setpoint Control PWM signals. The selected Cooling Control Source is also displayed along with the Remote Setpoint Minimum and Maximum values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 117 Chiller Access Manager Home View View Returns the user to Home screen. Setpoints View View Navigates to the Setpoints Screen. Operations View View Navigates to the Operations Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 118: Setup Screen

    Note: For fields requiring access level of SERVICE. Service Technicians must refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 119 Chilled Allows a Service Technician to select Chilled Liquid Pump control contacts Liquid Pump Service JCI Service (I/O Board TB2-44/45) operation as either standard or enhanced. Operation Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 120 Moves to the subscreen displaying operating parameters of the chiller Operations View View system. Navigates to the subscreen allowing limited diagnostic capability while Diagnostics Service JCI Service operating. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 121: Diagnostics Screen

    Navigates to the Analog I/O screen to allow the Service Technician to view all of the Analog I/O analog signal values. Navigates to the Digital I/O screen to allow the Service Technician to view all of the Digital I/O digital inputs and outputs status. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 122 I/O Board expansion i/o board analog and digital status and also the Modbus communication error statistics. Diag Setpoints Navigates to the Diag Setpoints screen. Maintenance Navigates to the Maintenance screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 123: Maintenance Screen

    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 YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 124 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 YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 125: Serial/Sd Screen

    Pressing this button stops logging data to the SD card to allow a safe removal. Failure Eject SD Card to press this button before removing the card can corrupt the data log files. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 126 Jumps to the System Backup screen to save the chiller system files. System Restore Jumps to the System Restore screen to write the save system files to the microboard. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 127: Quick Start Screen

    SERVICE access level. Service Technicians refer to OptiView Control Center – Service Instructions (Form 160.76-M1) for complete explanation of this feature. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 128 If the Quick Pulldown Setpoint Offset is not reached in the Pulldown Override Time, PRV and ACC speed control will revert back to normal automatic control. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 129 The Motor Drive Type is changed to something other than VSD or MVVSD, or the Motor Communications Protocol is changed to YORK, or the Heat Pump Duty (if enabled) Operational Setpoint is set to Heating mode.
  • Page 130 YORK Button Description and earlier Chiller Access Manager Home Service JCI Service Returns the user to Home screen. Setpoints Service JCI Service Returns the user to Setpoints screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 131: Schedule Screen

    Note: For fields requiring access level of SERVICE. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 132 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Setup View View Returns to the previous Setup screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 133: User Screen

    Note: For fields requiring access level of SERVICE. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 134 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Setup View View Returns to the previous Setup screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 135: Comms Screen

    Defines the number of data bits with which the panel communicates to Operator Standard Bits the printer. Printer Parity Defines the number of parity bits with which the panel communicates to Operator Standard Bits the printer. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 136 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Setup View View Returns to the previous Setup screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 137: Printer Screen

    When a surge point is mapped, a short report of system Print (Enabled / Service JCI Service parameters is printed. When this function is active, all other printing Disabled) capability is disabled. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 138 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Setup View View Returns to the previous Setup screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 139: Sales Order Screen

    Note: For fields requiring access level of SERVICE. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 140 Home View View Returns the user to Home screen. Setup View View Returns to the previous Setup screen. More Data View View Displays another screen of unit specific data. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 141: Operations Screen

    Microboard replacement), but should not be done so arbitrarily. Level Control Service JCI Service Allows selection of type of control needed for refrigerant valve actuator. (Digital/Analog) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 142 View View Returns the user to Home screen. Setup View View Returns to the previous Setup screen. Remote Control Operator Standard Navigates the user to the Remote Control Screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 143: History Screen

    Note: For fields requiring access level of SERVICE. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 144 Page Up View View Scrolls up the displayed faults to show the previous 10 faults. Page Down View View Scrolls down the displayed faults to show the next 10 faults. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 145: History Details Screen

    Scrolls down in the displayed data, if applicable. This generates a report listing the status of the chiller parameters at the Print History View View time of the selected shutdown. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 146 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. History View View Returns to the previous History screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 147: Security Log Screen

    Displays the category of the setpoint (motor, evaporator, condenser, and similar Category setpoints). Setpoint Displays the setpoint that was changed. New Value Displays the value that was entered at the time of the setpoint change. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 148 JCI Service Returns to the previous History screen. Navigates to a subscreen containing the details of the setpoint change View Details Service JCI Service selected with the Log Entry key. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 149: Security Log Details Screen

    Button Description and earlier Chiller Access Manager Home Service JCI Service Returns the user to Home screen. Security Log Service JCI Service Returns to the previous Security Log screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 150: Custom View Screen

    Returns the user to Home screen. History View View Returns the user to History screen. Navigates to the subscreen that allows selection of the parameters to be Setup Operator Standard displayed. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 151: Custom View Setup Screen

    Use the Select key and numeric keypad keys as described above and enter the Slot Custom Slot (1-10) Number from Slot Numbers list. Setting the Slot Number to zero clears the display of this Slot Number. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 152 YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Custom View Service JCI Service Returns to the Custom View screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 153: Trend Screen

    Data collection will stop at the completion of one screen of data as with the one screen. If stop is selected, data collection will not stop until the triggers have been satisfied and any selected trigger delay has elapsed. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 154 History View View Returns the user to History screen. Only displayed if the trending is stopped. Navigates to a subscreen for Trend Setup View View configuring the trending display. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 155: Trend Setup Screen

    Note: For fields requiring access level of Service. Service Technicians refer to the OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation of all programmable setpoints and displayed values. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 156 ▼ navigation keys to place the box around the value of Data Points 1 through 6 to be changed. With the desired value selected, press the X key. A dialog box is displayed permitting data entry. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 157 The desired parameters to be plotted are selected from this screen. Causes a jump to the Advanced Trend Setup Screen, where the start/stop Triggers can Triggers be setup. Only displayed if triggered has been selected as Chart Type. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 158: Advanced Trend Setup Screen

    After the desired triggers are set, the START key on the TREND Screen must be manually pressed before the triggers will be evaluated. While waiting for the triggers to start or stop data collection, a Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 159 V09 software with YORK Button Description and earlier Chiller Access Manager Home Operator Standard Returns the user to Home screen. Trend Setup Operator Standard Returns to the Trend Setup screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 160: Common Slots Screen

    Scrolls down in the displayed data. Page Up Operator Standard Scrolls up in the displayed data. Print Operator Standard Generates a list of the Slot Numbers of the available parameters. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 161 V09 software with YORK Button Description and earlier Chiller Access Manager Home View View Returns the user to Home screen. Trend Setup View View Returns to the Trend Setup screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 162: Master Slot Numbers List

    Oil Heater: Is Control Enabled 2848 ACC: Manual Surge Command 1542 Oil Heater: Is Heater On 2849 ACC: Surge Map Count 1543 Oil Return Solenoid: Is Solenoid On 2850 ACC: Surge Type Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 163 Vent Line Solenoid: Is Solenoid Installed 8196 Oil Seal Lube: Time Left 2063 Vent Line Solenoid: Is Solenoid On 8197 VSOP: Speed Command 2304 Motor: Starter Type 8198 VSOP: Control Mode Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 164 Stall Detector Board output voltage 2570 LCSSS: Input Power 8281 VGD open 2571 LCSSS: Kilowatt Hours 8282 VGD close 2572 LCSSS: Phase A Current 8317 Stall DC Pressure Voltage Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 165: Display Messages

    The chiller is running with Heat Pump Duty enabled and the Heat Pump Duty Operational mode setpoint set to Cooling mode. In this mode, the Heat Pump is controlling the Leaving Chilled Liquid Temperature to the Leaving Chilled Liquid Temperature Setpoint. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 166: Run Messages

    The Heat Pump is running, controlling the Leaving Condenser Liquid Temperature to the Leaving Condenser Liquid Temperature Setpoint. In this mode, Heat Pump Duty is enabled and the Heat Pump Duty Operational mode setpoint is set to Heating mode. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 167: Start Inhibit Messages

    This start inhibit is instantaneously set whenever the chiller is not running and a motor current of greater than 15% FLA is detected. The oil pump is started as soon as this fault is detected. The Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 168: Warning Messages

    The Evaporator Pressure has decreased to the Warning threshold. This threshold is fixed in Water cooling applications. In Brine cooling applications, the threshold is a fixed amount above the Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 169 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. This message automatically clears and the Vanes are permitted to open when the Evaporator Pressure increases to the reset value.
  • Page 170 VGD ring from possible damage from an extreme stall condition. This message can be cleared after the Stall Detector Voltage returns to less than two times the High Limit Setpoint and the WARNING RESET key is pressed in SERVICE access level. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 171 The value programmed for this threshold is displayed as High Bearing Temperature Warning on the MOTOR SETPOINTS Screen. It is programmed with the Bearing Setup Setpoint on that screen. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 172: Routine Shutdown Messages

    Reasons preventing startup: • The chiller has been shut down for less than or equal to 30 minutes and the oil temperature minus the condenser saturation temperature is less than 30°F. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 173 125°F for the next 10 minutes. After 10 minutes have elapsed, the shutdown threshold becomes the programmed setpoint value. The Heat Pump will automatically restart when the temperature decreases to the programmed Leaving Condenser Liquid Temperature Cycling offset – Restart Setpoint. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 174 +19.0 VDC. This is below the minimum level required for reliable operation. The chiller will automatically restart when the voltage increases to greater than or equal to 19.7 VDC. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 175: Mod B Solid State Starter Cycling Shutdown Messages

    This check is inhibited during the first 4 seconds of System Run and until the motor current is greater than 25% of the Job FLA. The chiller will automatically restart upon completion of System Coastdown. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 176 AC Power Line Voltage, in any phase, exceeded the high line voltage threshold continuously for 20 seconds. The chiller will automatically restart when the voltage in all phases returns to the restart level. The thresholds are as follows: Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 177: Compressor Motor Variable Speed Drive: Cycling Shutdown Messages

    Serial Link within 20 seconds, it is assumed it is not forthcoming and that message is replaced with VSD – STOP CONTACTS OPEN message. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 178 The VSD would require service under these conditions. If this cycling shutdown occurs 3 times in 90 minutes, the third shutdown becomes a safety shutdown. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 179 This center point should be approximately ½ of the total DC Link Voltage. Most Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 180 In most cases, the problem will be an open transmitter or broken wiring to the transmitter. The normal transmitter resistance is 10K ohms at 77°F. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 181 Upon receipt of either of the two Run Commands by the VSD, a 5 second timer shall commence timing. If both Run Commands are not received by the VSD Logic Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 182 During pre-charge, the Filter’s DC link must be equal to or greater than 50 VDC (41 VDC for 50 Hz) within 1/10 second after the pre-charge relay is energized. If this condition is not met, a shutdown is performed and this message is generated. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 183 16 position ribbon cable, a 1/10 second timer is started. If a redundant run command does not occur on the serial data link from the VSD Logic Board before the timer expires, a shutdown is performed and this message is generated. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 184: Safety Shutdown Messages

    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 following instructions in OptiView Control Center – Service Instructions (Form 160.76-M1). The chiller can be started after the Evaporator Pressure increases to the restart threshold and the Clear Fault key is pressed on the display.
  • Page 185 More than 180.0 PSIG (R-134a) The chiller can be started after the pressure decreases to: • Less than 120.0 PSIG (R-134a) and the Clear Fault is pressed on the display. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 186 The differential oil pressure increased to greater than 120.0 PSID while the oil pump was running. The differential oil pressure is the difference between the output of the Sump Oil Pressure Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 187 The Control Center is configured for auto-restart or manual restart after power failure by a qualified Service Technician following instructions in OptiView Control Center – Service Instructions (Form 160.76-M1). Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 188 17 mils. 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. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 189 Lubrication to zero. The date this warning occurs is stored as the Date Of Last Motor Lubrication Warning Or Fault. This message will only be displayed if the Auto Lube Setpoint is disabled. With Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 190 Motor Cooling Coil Leak Protection Setpoint is set to Disabled. The chiller can be started after the leak sensor no longer indicates a leak and the Clear Fault key is pressed on the display. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 191: Mod B Solid State Starter Safety Shutdown Messages

    LCSSS - OPEN SCR above. However, when the Solid State Starter is equipped with Eprom version C.SSS.01.03 (and later) the phase in which the open SCR occurred is identified. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 192: Compressor Motor Variable Speed Drive: Safety Shutdown Messages

    VSD – High Phase C Inverter Heatsink Temperature (Style D VSD) See VSD – High Phase A Inverter Heatsink Temperature message above. VSD – High Converter Heatsink Temperature (Style D VSD) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 193 Filter Logic Board is pressed and the Clear Fault key is pressed on the display. Harmonic Filter – High Baseplate Temperature (Applicable to VSD with part number 371-02767-xxx (60 Hz) and 371-03700-xxx (50 Hz)) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 194 (15 or 30 min demand). In the filter option supplied by YORK, the displayed TDD is the total RMS value of all the harmonic current supplied by the main power to the VSD divided by the chiller Full Load Amps, in percent.

  • Page 195: Printing

    The following figures are examples of the different print reports. Solid State Starter application print reports shown. Electromechanical Starter and Variable Speed Drive reports are similar but print parameters applicable to those devices. • Status, see Figure 86 Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 196: Acceptable Printers

    Paper: Thermal 57 mm (2.25 in.) • Type: Dot Matrix • Purchase: 800-637-0529 (North America) +44 (0) 845-246-6717 (Europe and ME) • P/N AWT 05-505788 (printer, cable, 1 roll of paper) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 197: Printer Setup

    Printers: Okidata - 25 pin plug DB-25P or equivalent; Shell DB-C2-J9 or equivalent. Printer setup The selected printer must be configured as follows. Refer to manual provided by printer manufacturer with respective printer. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 198: Control Center Setup

    Downloading system histories to a file is another useful method to capture system operating conditions. The following instructions are used to establish communication between the OptiView Control Panel and a laptop computer. Connect the laptop computer to the OptiView as described below. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 199 Protective Ground Pin 2 Transmit Data Pin 3 Received Data Pin 4 Request To Send Pin 5 Clear To Send Pin 6 Data Set Ready Pin 7 Signal Ground Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 200 Clear To Send Pin 9 Ring Indicator The connector on the PC has male pins; therefore, the mating cable needs to terminate DB9/F (female pin) connector. Figure 85: Communications block diagram Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 201: Sample Printouts

    Sample printouts Figure 86: Sample printout (status) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 202 Figure 87: Sample printout (status) cont. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 203 Figure 88: Sample printout (setpoints) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 204 Figure 89: Sample printout (setpoints) cont. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 205 Figure 90: Sample printout (schedule) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 206 Figure 91: Sample printout (sales order) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 207 Figure 92: Sample printout (sales order) cont. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 208 Figure 93: Sample printout (history) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 209 Figure 94: Sample printout (history) cont. Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 210 Figure 95: Sample printout (security log report) Figure 96: Sample printout (trend data new or existing points) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...
  • Page 211 Figure 97: Sample printout (custom screen report) Figure 98: Sample printout (adaptive capacity control new map point report) Figure 99: Sample printout (adaptive capacity control existing map points report) Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center...

  • Page 212: 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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