York MILLENNIUM YCAS Manuals

York MILLENNIUM YCAS Manuals

Manuals and User Guides for York MILLENNIUM YCAS. We have 1 York MILLENNIUM YCAS manual available for free PDF download: Installation Operation & Maintenance

York MILLENNIUM YCAS Installation Operation & Maintenance

York MILLENNIUM YCAS Installation Operation & Maintenance (152 pages)

AIR-COOLED SCREW LIQUID CHILLER

Brand: York | Category: Chiller | Size: 5.43 MB

Table of Contents

Table of Contents
2
General Safety Guidelines
6
Safety Symbols
6
Changeability of this Document
7
Nomenclature
7
Section 1 General Chiller Information & Safety

8
- Introduction
  8
- Warranty
  8
- Safety
  8
- Responsibility for Safety
  8
- About this Manual
  8
- Misuse of Equipment
  9
- Emergency Shutdown
  10
- Material Safety Data
  11
Section 2 Product Description

14
- Introduction
  14
- General Description
  14
- FIG. 1 - Component Locations
  14
- FIG. 2 - Screw Compressor
  15
- TABLE 1 - Motor Protector Dip Switch Settings
  20
- Motor Starting
  24
- Keypad Controls
  24
- Accessories and Options
  25
- DX Cooler Options
  26
- Unit Enclosures
  26
- Fans
  26
- Sound Reduction Options
  26
- Vibration Isolation
  26
- Unit Nomenclature Nameplate Engineering Data
  27
Section 3 Handling and Storage

28
- Delivery and Storage
  28
- Inspection
  28
- Moving the Chiller
  28
- FIG. 3 - Unit Rigging
  28
- FIG. 4 - Lifting Lugs
  28
Section 4 Installation

29
- Location Requirements
  29
- Outdoor Installations
  29
- Indoor Installations
  29
- Location Clearances
  29
- Installation of Vibration Isolators
  30
- Shipping Braces
  30
- Pipework Connection
  30
- Water Treatment
  31
- Pipework Arrangement
  31
- FIG. 5 - Pipework Arrangement
  31
- Connection Types & Sizes
  32
- Cooler Connections
  32
- Refrigerant Relief Valve Piping
  32
- Ductwork Connection
  32
- FIG. 6 - Victaulic Groove
  32
- FIG. 7 - Flange Attachments
  32
- Electrical Connection
  33
- Power Wiring
  33
- Power and Control Panel Layouts
  35
- FIG. 8 - Panel Layouts
  35
- FIG. 9 - Customer Connections
  36
Section 5 Commissioning

37
- Preparation
  37
- Preparation - Power off
  37
- First Time Start-Up
  39
Section 6 Operation

40
Section 8 Start-Up

93
- System Startup Checklist
  93
SECTION 9 MICROPANEL Chiller Control Panel Programming & Data Access

97
- Display and Status Information Keys
  97
- Program & Setup Keys
  97
- 1 Introduction & Physical Description
  
  98
  - General
    98
  - Keypad & Display
    98
  - Microprocessor Board
    98
  - Unit (Chiller) on / off Switch
    98
  - Ancillary Circuit Boards
    99
  - Circuit Breakers
    100
  - Current Transformers (C.T.)
    100
  - Motor Protection Modules
    100
  - Transformers
    100
  - FIG. 39 - Motor Protector
    101
    
    EMS/BAS Connections
    102
    
    Microprocessor Board Layout
    104
  - FIG. 40 - Component Layout
    104
    
    Logic Section Layout
    105
  - FIG. 41 - Logic Section Layout
    105
    
    Alarms
    106
    
    Anti-Coincidence Timer
    106
    
    Anti-Recycle Timer
    106
    
    Compressor Heater Control
    106
    
    Evaporator Heater Control
    106
    
    Evaporator Pump Control
    106
    
    Pumpdown (LLSV) Control
    106
    
    3/4 Compressor Chiller Configuration
    107
    
    Lead / Lag Compressor Selection
    107
    
    Run Status (Chiller)
    107
- 2 Status Key & Fault Messages
  
  108
  - General
    108
  - General Status Messages
    108
  - Unit Warnings
    109
  - Anticipation Control Status Messages
    110
  - Unit Fault Status Messages
    111
  - System Fault (Safety) Status Messages
    112
  - FIG. 42 - Suction Pressure Cutout
    114
    
    Printout on Fault Shutdown
    115
- 3 Display Keys & Option Switches
  
  116
  - Chilled Liquid Temperatures Key
    116
  - General
    116
  - System Data Keys
    116
  - Ambient Temp Key
    117
  - Motor Current Key
    117
  - Operating Hours / Start Counter Key
    118
  - Options Key & Dip Switch Settings
    118
  - FIG. 43 - Enlarged Photograph of Dip Switches
    119
  - Function Key
    119
  - On Microprocessor Board
    119
- 4 Print Keys
  
  120
  - General
    120
  - Oper Data Key
    120
  - Operating Data - Local Display Messages
    120
  - Operating Data - Remote Printout
    122
  - Fault History Data - Local Display Messages
    123
  - History Key
    123
  - Fault History Data - Remote Printout
    126
- 5 Entry Keys
  
  127
  - General
    127
  - Numerical Keypad
    127
  - Enter Key
    127
  - Cancel Key
    127
  - Keys
    127
- 6 Setpoints Keys
  
  128
  - General
    128
  - Chilled Liquid Temperature Control
    128
  - Local Cooling Setpoints Key
    131
  - Remote Cooling Setpoints Key
    131
- 7 Clock Keys
  
  132
  - General
    132
  - Set Time Key
    132
  - Set Schedule / Holiday Key
    132
  - Manual Override Key
    134
- 8 Program Key
  
  135
Section 10 Maintenance

142
- General Requirements
  142
- Daily Maintenance
  142
- Scheduled Maintenance
  142
- Chiller/Compressor Operating Log
  143
- FIG. 45 - Operating Log
  143
  - Maintenance Requirements
    144
    
    General Periodic Maintenance Checks Standard Units
    145
    
    Associated Drawings
    146
    
    Recommended Compressor Oils
    146
    
    Recommended Spares
    146
    
    Spare Parts
    146
    
    Competent Person's Troubleshooting Guide
    147
    
    Troubleshooting
    147
    
    Sensor Calibration Charts
    149
    
    Limited Warranty
    150
    
    Temperature Conversion Chart
    151

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