York YST Manuals

Manuals and User Guides for York YST. We have 3 York YST manuals available for free PDF download: Operation Manual, Operation & Maintenance Manual, Wiring Diagrams

York YST Operation Manual (164 pages)

Steam Turbine Drive Centrifugal Liquid Chiller With Optiview Control Center Design Level F and G

Brand: York | Category: Chiller | Size: 5.63 MB

Table of Contents
5
Figure 1 - Model YST Chiller

9
Refrigerant Flow Diagram
10
Section 1- Description of System and Fundamentals of Operation

9
Figure 4 - Steam and Condensate Flow

13
Section 2 - Optiview Control Center Introduction

15
- Figure 5 - Optiview Control Center
  
  16
  - Figure 6 - Home Screen
    
    21
    
    Figure 7 - Refrigeration System Screen
    24
    
    Evaporator Screen
    26
    
    Figure 8 - Evaporator Screen
    26
    
    Condenser Screen
    29
    
    Figure 9 - Condenser Screen
    29
    
    Compressor Screen
    31
    
    Figure 10 - Compressor Screen
    31
    
    Figure 11 - Proximity Probe Calibration Screen
    34
    
    Proximity Probe Calibration Screen
    34
    
    Figure 12 - Pre-Rotation Vanes Calibration Screen
    36
    
    Pre-Rotation Vanes Calibration Screen
    36
    
    Figure 13 - Oil Sump Screen
    37
    
    Oil Sump Screen
    37
    
    Figure 14 - Variable Geometry Diffuser (VGD) Screen
    39
    
    Variable Geometry Diffuser (VGD) Screen
    39
    
    [VGD] Hold (Manual)
    40
    
    Figure 15 - Variable Geometry Diffuser (VGD) Setpoints Screen
    41
    
    Variable Geometry Diffuser Setpoints Screen
    41
    
    Figure 16 - Steam System Screen - Manual Start
    43
    
    Steam System Screen - Manual Start
    43
    
    Figure 17 - Steam System Screen - Auto Start
    46
    
    Steam System Screen - Auto Start
    46
    
    Figure 18 - Turbine Screen
    49
    
    Turbine Screen
    49
    
    Condensate Screen
    52
    
    Figure 19 - Condensate Screen
    52
    
    Figure 20 - Vacuum Screen
    54
    
    Vacuum Screen
    54
    
    Capacity Controls Screen-Fixed Speed Mode
    56
    
    Figure 21 - Capacity Controls Screen-Fixed Speed Mode
    56
    
    Capacity Controls Screen-Variable Speed Mode
    60
    
    Figure 22 - Capacity Controls Screen-Variable Speed Mode
    60
    
    Pid Setup Screen 1
    64
  - Refrigeration System Screen
    24
- Interface Conventions
  17
- Analog Input Ranges - York Microboard
  19
- Analog Input Ranges - Frick I/O Board
  20
- Home Screen
  21
  - Figure 23 - PID Setup Screen 1
    
    64
    
    Figure 26 - Capacity Control Setpoints Screen 1
    65
    
    Figure 24 - PID Setup Screen 2
    67
    
    Figure 25 - Auto/Manual Screen
    70
    
    Capacity Control Setpoints Screen 1
    74
    
    Capacity Control Setpoints Screen 2
    77
    
    Figure 27 - Capacity Control Setpoints Screen 2
    77
    
    Figure 28 - Setpoints Screen
    79
    
    Setpoints Screen
    79
    
    Figure 29 - Setup Screen
    81
    
    Setup Screen
    81
    
    Figure 30 - User Screen
    83
    
    User Screen
    83
    
    Comms Screen
    84
    
    Figure 31 - Comms Screen
    84
    
    Figure 32 - Printer Screen
    86
    
    Printer Screen
    86
    
    Figure 33 - Sales Order Screen
    88
    
    Sales Order Screen
    88
    
    Display Only
    90
    
    Figure 34 - Operations Screen
    90
    
    Operations Screen
    90
    
    Alarm/Shutdown Setpoints Screen
    92
    
    Figure 35 - Alarm/Shutdown Setpoints Screen
    92
    
    Figure 36 - Time Delay Alarm/Shutdown Setpoints Screen
    95
    
    Time Delay Alarm/Shutdown Setpoints Screen
    95
    
    Configuration Screen 1
    97
    
    Figure 37 - Configuration Screen 1
    97
    
    Configuration Screen 2
    99
    
    Figure 38 - Configuration Screen 2
    99
    
    Configuration Screen 3
    101
    
    Figure 39 - Configuration Screen 3
    101
    
    Figure 40 - Pressure Setpoints Screen
    103
    
    Pressure Setpoints Screen
    103
    
    Figure 41 - Time Setpoints Screen
    106
    
    Time Setpoints Screen
    106
    
    Figure 42 - Speed Setpoints Screen
    109
    
    Speed Setpoints Screen
    109
    
    Figure 43 - Ramp Rate Setpoints Screen
    112
    
    Ramp Rate Setpoints Screen
    112
    
    Display Only
    114
    
    Figure 44 - History Screen
    114
    
    History Screen
    114
    
    Figure 45 - History Details Screen
    116
    
    History Details Screen
    116
    
    Figure 46 - Security Log Screen
    117
    
    Security Log Screen
    117
    
    Figure 47 - Security Log Details Screen
    119
    
    Security Log Details Screen
    119
    
    Custom View Screen
    120
    
    Figure 48 - Custom View Screen
    120
    
    Custom View Setup Screen
    121
    
    Figure 49 - Custom View Setup Screen
    121
    
    Figure 50 - Trend Screen
    122
    
    Trend Screen
    122
    
    Figure 51 - Trend Setup Screen
    124
    
    Trend Setup Screen
    124
    
    Advanced Trend Setup Screen
    126
    
    Figure 52 - Advanced Trend Setup Screen
    126
    
    Common Slots Screen
    128
    
    Figure 53 - Common Slots Screen
    128
    
    Master Slot Numbers List for Use with Trend Feature
    129
    
    Display Messages
    131
    
    Status Messages
    131
    
    Soft Shutdown Message
    132
    
    Start Inhibit Message
    133
    
    Warning Messages
    133
    
    Turbine Excessive Vibration Warning Messages
    136
    
    Compressor Excessive Vibration Warning Messages
    138
    
    Cycling Shutdown Messages
    138
    
    Routine Shutdown Messages
    138
    
    Safety Shutdown Messages
    140
    
    Turbine Vibration Shutdown Messages
    146
    
    Compressor Excessive Vibration Shutdown Messages
    147
  - Auto/Manual Screen
    70
- PID Setup Screen 2
  67
Section 3 - Printers

149
- Figure 54 - Printers
  
  149
- Printers
  150
- Printer Connections
  151
- Printer Setup
  151
- Control Center Setup
  152
- Figure 55 - Sample Printout (Status)
  
  154
- Figure 56 - Sample Printout (Setpoints)
  
  156
- Figure 57 - Sample Printout (Sales Order)
  
  158
- Figure 58 - Sample Printout (History)
  
  159
- Figure 60 - Sample Printout (Trend Data New or Existing Points)
  
  161
- Figure 59 - Sample Printout (Security Log Report)
  
  161
- Figure 61 - Sample Printout (Custom Screen Report)
  
  161
- Temperature
  162

York YST Operation & Maintenance Manual (90 pages)

STEAM TURBINE CENTRIFUGAL LIQUID CHILLERS

Brand: York | Category: Chiller | Size: 4.1 MB

York YST Wiring Diagrams (30 pages)

STEAM TURBINE DRIVE CENTRIFUGAL CHILLER WITH OPTIVIEW CONTROL CENTER

Brand: York | Category: Chiller | Size: 2.94 MB

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York YST Operation Manual (164 pages)

Table of Contents

Figure 1 - Model YST Chiller

Section 1- Description of System and Fundamentals of Operation

Figure 2 - Refrigerant Flow-Thru

Figure 3 - Detail a - Compressor Pre-Rotation Vanes

Figure 4 - Steam and Condensate Flow

Section 2 - Optiview Control Center Introduction

Figure 5 - Optiview Control Center

Figure 6 - Home Screen

Figure 23 - PID Setup Screen 1

Section 3 - Printers

Figure 54 - Printers

Figure 55 - Sample Printout (Status)

Figure 56 - Sample Printout (Setpoints)

Figure 57 - Sample Printout (Sales Order)

Figure 58 - Sample Printout (History)

Figure 60 - Sample Printout (Trend Data New or Existing Points)

Figure 59 - Sample Printout (Security Log Report)

Figure 61 - Sample Printout (Custom Screen Report)

York YST Operation & Maintenance Manual (90 pages)

Table of Contents

FIGURE 1 - Model YST Chiller

Section 1 - Description of System and Fundamentals of Operation

FIGURE 2 - Compressor Prerotation Vanes

FIGURE 3 - Refrigerant Flow - Thru

FIGURE 4 - Steam and Condensate Flow

FIGURE 5 - Steam Condenser Hotwell Level Switches

Section 2 - Pre-Startup and System Operating Procedures

FIGURE 6 - Slow Roll Time Calculation

FIGURE 7 - Operation Sequence Timing Diagram (Manual Start)

Section 3 - System Components Description

FIGURE 11 - Schematic Drawing - (YST) Compressor Lubrication System

FIGURE 12 - KD & KG Turbine Drawing

Section 4 - Operational Maintenance

FIGURE 15 - Charging Oil Reservoir with Oil

FIGURE 16 - Standard Single Oil Filter and Optional Dual Oil Filter

TABLE 1 - Recommended Maximum Turbine Bearing, Oil Sump, and Metal Temperatures

TABLE 2 - Refrigerant Charge Level

FIGURE 17 - Dual Oil Filter Isolation Valve

Section 5 - Troubleshooting

TABLE 3 - Operation Analysis Chart

Section 6 - Maintenance

FIGURE 18 - Evacuation of Chiller

TABLE 4 - System Pressures

FIGURE 19 - Saturation Curve

TABLE 5 - Turbine Tightening Torques (Without Washers)

TABLE 6 - Turbine Tightening Torques (with Washers)

Section 7 - Preventive Maintenance

TABLE 7 - Recommended Limits for Boiler Water (Based on Drum Water Analyses)

TABLE 8 - si Metric Conversion

Notes

York YST Wiring Diagrams (30 pages)

Table of Contents

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