York eco2 YCAS0425EB Manuals

Manuals and User Guides for York eco2 YCAS0425EB. We have 1 York eco2 YCAS0425EB manual available for free PDF download: Installation Operation & Maintenance

York eco2 YCAS0425EB Installation Operation & Maintenance

York eco2 YCAS0425EB Installation Operation & Maintenance (156 pages)

AIR-COOLED SCREW LIQUID CHILLERS

Brand: York | Category: Chiller | Size: 6.09 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
  9
- About this Manual
  9
- Misuse of Equipment
  9
- Emergency Shutdown
  10
- Material Safety Data
  11
- FIG. 1 - Component Locations
  15
Section 2 Product Description

15
- Introduction
  15
- General Description
  15
- FIG. 2 - Screw Compressor
  16
  - TABLE 1 - Motor Protector Dip Switch Settings
    20
  - Keypad Controls
    21
  - Motor Starting
    21
  - Accessories and Options
    22
  - DX Cooler Options
    23
  - Fans
    23
  - Sound Reduction Options
    23
  - Unit Enclosures
    23
  - Vibration Isolation
    23
  - Unit Nomenclature Nameplate Engineering Data
    24
Section 3 Handling and Storage

27
- Delivery and Storage
  27
- Inspection
  27
- Moving the Chiller
  27
- FIG. 3 - Unit Rigging
  28
- FIG. 4 - Lifting Lugs
  28
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
  - Control Panel Wiring
    33
  - Volts Free Contacts
    34
  - System Inputs
    34
- FIG. 8 - Panel Layouts
  35
- FIG. 9 - Option Panel Section
  36
- FIG. 10 - Logic Section Layout
  37
- FIG. 11 - Logic Section Layout with Control Panel
  38
  - Layout
    38
- FIG. 12 - Customer Connections
  39
- FIG. 13 - Customer Connections
  40
Commissioning

41
- Preparation
  41
- Preparation - Power off
  41
- First Time Start-Up
  43
Operation

44
Start-Up

96
- System Startup Checklist
  96
SECTION 9 MICRO PANEL CONTENTS Chiller Control Panel Programming & Data Access

100
- Display and Status Information Keys
  100
- Program & Setup Keys
  100
- 1 Introduction & Physical Description
  
  101
  - General
    101
  - Keypad & Display
    101
  - Microprocessor Board
    101
  - Unit (Chiller) on / off Switch
    101
  - Ancillary Circuit Boards
    102
  - Circuit Breakers
    103
  - Current Transformers (C.T.)
    103
  - Motor Protector Modules
    103
  - Transformers
    103
  - FIG. 47 - Motor Protection Module
    104
    
    EMS / BAS Connections
    105
    
    Microprocessor Board Layout
    107
  - FIG. 48 - Component Layout
    107
    
    Logic Section Layout
    108
  - FIG. 49 - Logic Section Layout
    108
    
    Alarms
    109
    
    Anti-Coincidence Timer
    109
    
    Anti-Recycle Timer
    109
    
    Compressor Heater Control
    109
    
    Evaporator Heater Control
    109
    
    Evaporator Pump Control
    109
    
    Pumpdown (LLSV) Control
    109
    
    3- or 4-Compressor Chiller Configuration
    110
    
    Lead / Lag Compressor Selection
    110
    
    Run Status (Chiller)
    110
2 Status Key & Fault Warnings

111
- General
  111
- General Status Messages
  111
- Unit Warnings
  112
- Anticipation Control Status Messages
  113
- Unit Fault Status Messages
  114
- System Fault (Safety) Status Messages
  115
- FIG. 50 - Suction Pressure Cutout
  116
  - Printout on Fault Shutdown
    118
3 Display Keys & Option Switches

119
- General
  119
- Chilled Liquid Temperatures Key
  119
- System # Data Keys
  120
- Ambient Temp Key
  120
- Motor Current Key
  121
- Operating Hours / Start Counter Key
  121
- Options Key & Dip Switch Settings
  121
- FIG. 51 - Enlarged Photograph of Dip Switches
  122
  - Function Key
    123
4 Print Keys

124
- General
  124
- Oper Data Key
  124
- Operating Data - Local Display Messages
  124
- Operating Data - Remote Printout
  125
- History Key
  127
- Fault History Data - Local Display Messages
  127
- Fault History Data - Remote Printout
  130
5 Entry Keys

131
- General
  131
- Numerical Keypad
  131
- Enter Key
  131
- Cancel Key
  131
- Keys
  131
6 Setpoints Keys

132
- General
  132
- Chilled Liquid Temperature Control
  132
- Local Cooling Setpoints Key
  134
- Remote Cooling Setpoints Key
  135
7 Clock Keys

136
- General
  136
- Set Time Key
  136
- Set Schedule / Holiday Key
  137
- Manual Override Key
  138
8 Program Key

139
Maintenance

145
- Chiller / Compressor Operating Log
  145
- Daily Maintenance
  145
- General Requirements
  145
- Scheduled Maintenance
  145
- FIG. 53 - Operating Log
  146
  - Maintenance Requirements
    147
  - General Periodic Maintenance Checks Standard Units
    148
  - Spare Parts
    149
    
    Associated Drawings
    149
    
    Recommended Compressor Oils
    149
    
    Recommended Spares
    149
    
    Competent Person's Troubleshooting Guide
    150
    
    Troubleshooting
    150
    
    Sensor Calibration Charts
    152
    
    Limited Warranty
    153
    
    Temperature Conversion Chart
    154

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