York YD A Manuals

York YD A Manuals

Manuals and User Guides for York YD A. We have 2 York YD A manuals available for free PDF download: Operation Manual, Operating & Maintenance

York YD A Operation Manual

York YD A Operation Manual (150 pages)

OPTIVIEW CONTROL CENTER CENTRIFUGAL LIQUID CHILLERS

Brand: York | Category: Chiller | Size: 5.15 MB

Table of Contents

Table of Contents
5
FIGURE 1 - Model YD Chiller

9
Compressor Starting
10
Compressor Shutdown
14
Section 1 - Description of System and Fundamentals of Operation

9
- System Operation Description
  9
FIGURE 2 - Chiller Operation Flow Chart

15
Section 2 - Optiview Control Center

23
- Introduction
  23
  - FIGURE 3 - Optiview™ Control Center
    
    25
    
    FIGURE 4 - Home Screen
    30
    
    FIGURE 5 - System Screen
    33
    
    Evaporator Screen
    35
    
    FIGURE 6 - Evaporator Screen
    35
    
    Condenser Screen
    38
    
    FIGURE 7 - Condenser Screen
    38
    
    FIGURE 8 - Refrigerant Level Control Screen
    40
    
    Refrigerant Level Control Screen
    40
    
    FIGURE 9 - Main Compressor Screen
    42
    
    Main Compressor Screen
    42
    
    Compressor 1 Screen
    44
    
    FIGURE 10 - Compressor 1 Screen
    44
    
    Compressor 2 Screen
    46
    
    FIGURE 11 - Compressor 2 Screen
    46
    
    FIGURE 12 - Proximity Probe Calibration Screen
    48
    
    Proximity Probe Calibration Screen
    48
    
    FIGURE 13 - Pre-Rotation Vanes Calibration Screen
    50
    
    Pre-Rotation Vanes Calibration Screen
    50
    
    FIGURE 14 - Variable Geometry Diffuser 1 Screen
    51
    
    Variable Geometry Diffuser (VGD) 1 Screen
    51
    
    FIGURE 15 - Variable Geometry Diffuser 2 Screen
    53
    
    Variable Geometry Diffuser (VGD) 2 Screen
    53
    
    FIGURE 16 - Variable Geometry Diffuser Setpoints Screen
    55
    
    Variable Geometry Diffuser (VGD) Setpoints Screen
    55
    
    Vgd 1
    55
    
    Vgd 2
    56
    
    Vgd 1
    57
    
    Vgd 2
    57
    
    FIGURE 17 - Variable Geometry Diffuser 1 Calibration Screen
    58
    
    Variable Geometry Diffuser (VGD) 1 Calibration Screen
    58
    
    Display Only
    59
    
    FIGURE 18 - Variable Geometry Diffuser Setpoints Screen
    59
    
    Variable Geometry Diffuser (VGD) 2 Calibration Screen
    59
    
    FIGURE 19 - Hot Gas Bypass Screen
    60
    
    Hot Gas Bypass Screen
    60
    
    FIGURE 20 - Surge Protection Screen
    62
    
    Surge Protection Screen
    62
    
    FIGURE 21 - Surge Protection Screen (Single Compressor Operation)
    64
    
    Surge Protection Screen (Single-Compressor Operation)
    64
    
    FIGURE 22 - Surge Protection Screen (Dual Compressor Operation)
    67
    
    Surge Protection Screen (Dual-Compressor Operation)
    67
    
    Capacity Compressor Cycling Screen
    69
    
    FIGURE 23 - Capacity Compressor Cycling
    69
    
    FIGURE 24 - Oil Sump Screen
    73
    
    Oil Sump Screen
    73
    
    FIGURE 25 - Oil Pump 1 Screen
    75
    
    Oil Pump 1 Screen
    75
    
    FIGURE 26 - Oil Pump 2 Screen
    77
    
    Oil Pump 2 Screen
    77
    
    Electro-Mechanical Starter Screen
    79
    
    FIGURE 27 - Electro-Mechanical Starter Screen
    79
    
    FIGURE 28 - Motor Lubrication Screen
    83
    
    Motor Lubrication Screen
    83
    
    FIGURE 29 - Setpoints Screen
    86
    
    Setpoints Screen
    86
    
    FIGURE 30 - Setup Screen
    89
    
    Setup Screen
    89
    
    FIGURE 31 - Schedule Screen
    92
    
    Schedule Screen
    92
    
    FIGURE 32 - User Screen
    94
    
    User Screen
    94
    
    Comms Screen
    95
    
    FIGURE 33 - Comms Screen
    95
    
    FIGURE 34 - Printer Screen
    96
    
    Printer Screen
    96
    
    FIGURE 35 - Sales Order Screen
    97
    
    Sales Order Screen
    97
    
    FIGURE 36 - Operations Screen
    98
    
    Operations Screen
    98
    
    FIGURE 37 - History Screen
    100
    
    History Screen
    100
    
    FIGURE 38 - History Details Page
    102
    
    History Details Screen
    102
    
    FIGURE 39 - Security Log Screen
    103
    
    Security Log Screen
    103
    
    FIGURE 40 - Security Log Screen
    104
    
    Security Log Details Screen
    104
    
    Custom View Screen
    105
    
    FIGURE 41 - Custom View Screen
    105
    
    Custom View Setup
    106
    
    FIGURE 42 - Custom View Setup Screen
    106
    
    FIGURE 43 - Trend Screen
    107
    
    Trend Screen
    107
    
    FIGURE 44 - Trend Setup Screen
    109
    
    Trend Setup Screen
    109
    
    Advanced Trend Setup Screen
    111
    
    FIGURE 45 - Advanced Trend Setup Screen
    111
    
    Common Slots Screen
    113
    
    FIGURE 46 - Common Slots Screen
    113
    
    Slot Numbers
    114
    
    Display Messages
    115
    
    Start Inhibit Messages
    117
  - System Screen
    33
- Optiview Control Center
  25
- Interface Conventions
  26
- Analog Input Ranges
  29
- Home Screen
  30
Section 3 - Printers

135
- FIGURE 47 - Printer
  
  135
- Printing Overview
  135
- Acceptable Printers
  136
- Printer Connections
  136
- Control Center Setup
  137
- Downloading System Prints to Alaptop
  137
- Printer Setup
  137
FIGURE 48 - Communications Block Diagram

139
FIGURE 49 - Sample Printout (Status)

140
FIGURE 50 - Sample Printout (Setpoints)

142
FIGURE 51 - Sample Printout (Schedule)

144
FIGURE 52 - Sample Printout (Sales Order)

144
FIGURE 53 - Sample Printout (History)

146
FIGURE 54 - Sample Printout (Security Log Report)

148
FIGURE 55 - Sample Printout (Trend Data New or Existing Points)

148
FIGURE 56 - Sample Printout (Custom Screen Report)

148

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York YD A Operating & Maintenance

York YD A Operating & Maintenance (52 pages)

CENTRIFUGAL LIQUID CHILLERS WITH OPTIVIEW CONTROL CENTER AND ELECTRO-MECHANICAL STARTER COOLING ONLY

Brand: York | Category: Chiller | Size: 1.99 MB

Table of Contents

Table of Contents
5
FIGURE 1 - Model YD Chiller

9
Compressor Starting
10
Compressor Shutdown
14
Section 1 - Description of System and Fundamentals of Operation

9
- System Operation Description
  9
- FIGURE 2 - Chiller Operation Flow Chart
  
  15
- FIGURE 3 - Oil Level Indicator
  
  23
- Chiller Operation
  24
- Start-Up
  24
- Condenser Water Temperature Control
  25
- Operating Log Sheet
  25
Section 2 - System Operating Procedures

23
- Checking the Oil Level in the Oil Reservoir
  23
- Oil Heater Operation
  23
- Oil Heaters
  23
- Start-Up Procedure
  23
- FIGURE 4 - Liquid Chiller Log Sheets
  
  25
- Operating Inspections
  26
- Need for Maintenance or Service
  27
- Prolonged Shutdown
  27
- Stopping the System
  27
Section 3 - System Components Description

29
- Capacity Control
  29
- Compressor
  29
- Compressor Lubrication System
  29
- General
  29
- FIGURE 5 - System Components
  
  30
- Oil Pump
  30
- Heat Exchangers
  32
- Motor Driveline
  32
- Oil Heater
  32
- Refrigerant Flow Control
  32
- Optional Hot Gas Bypass
  33
- Optiview™ Control Center
  33
Section 4 - Operational Maintenance

35
- Oil Return System
  35
- Changing the Dehydrator
  35
FIGURE 8 - Charging Oil Reservoir with Oil

36
TABLE 1 - Operation Analysis Chart

37
Section 5 - Troubleshooting

37
- FIGURE 9 - Evacuation of Chiller
  
  39
- Vacuum Testing
  40
Section 6 - Maintenance

39
- Checking System for Leaks
  39
- Conducting R-22 Pressure Test
  39
  - TABLE 2 - System Pressures
    
    40
    
    FIGURE 10 - Saturation Curve
    
    41
    
    TABLE 3 - Refrigerant Charge
    
    42
    
    Checking the Refrigerant Charge During Unit Shutdown
    43
    
    Handling Refrigerant for Dismantling and Repairs
    43
    
    Megging the Motor
    43
  - Refrigerant Charging
    42
- Operation
  41
- Vacuum Dehydration
  41
- FIGURE 11 - Megging Motor Windings
  
  43
- FIGURE 12 - Motor Starter Temperature and Insulation Resistances
  
  44
- Chemical Water Treatment
  45
- Cleaning Evaporator and Condenser Tubes
  45
- Condensers and Evaporators
  45
- General
  45
- Tube Cleaning Procedures
  45
- Tube Fouling
  45
- Acid Cleaning of Tubes
  46
- Commercial Acid Cleaning
  46
- Testing for Evaporator and Condenser Tube Leaks
  46
- Compressor
  47
- Electrical Controls
  47
Section 7 - Preventive Maintenance

49
- Compressor
  49
- Compressor Motor
  49
- Greased Bearings on Reliance Q5800 Motors
  49
- TABLE 4 - Bearing Lubrication
  
  49
- Electrical Controls
  50
- Evaporator and Condenser
  50
- Leak Testing
  50
- Oil Return System
  50
TABLE 5 - si Metric Conversion

51
Metric Conversion

51
- Temperature
  51

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