York MILLENIUM YCAS Series Manuals

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

York MILLENIUM YCAS Series Installation Operation & Maintenance (156 pages)

AIR-COOLED SCREW LIQUID CHILLERS

Brand: York | Category: Chiller | Size: 4.92 MB

Table of Contents
2
Section 1 General Chiller Information & Safety

6
- Introduction
  
  6
- Warranty
  
  6
- Safety
  
  6
  - Standards for Safety
    6
- Responsibility for Safety
  
  7
- About this Manual
  
  7
- Misuse of Equipment
  
  7
  - Suitability for Application
    7
  - Structural Support
    7
  - Mechanical Strength
    7
  - General Access
    7
  - Pressure Systems
    7
  - Electrical
    7
  - Rotating Parts
    8
  - Sharp Edges
    8
  - Refrigerants and Oils
    8
  - High Temperature and Pressure Cleaning
    8
- Emergency Shutdown
  
  8
- Material Safety Data
  
  9
Section 2 Product Description

12
- Introduction
  
  12
  - General Description
    12
  - Compressor
    12
  - Evaporator
    13
  - Condenser
    13
  - Economizer
    14
  - Suction Line Heat Exchanger
    14
  - Oil Separator/System
    14
  - Oil Cooling
    15
  - Capacity Control
    15
  - Power and Control Panel
    15
  - Microprocessor Controls
    15
  - Motor Current Protection
    16
  - Motor Protection Module
    16
  - Current Overload
    17
  - Thermal Overload
    17
  - Current Imbalance
    17
  - Improper Phase Sequence/Loss of Phase
    17
  - Motor Protector Dip Switch Settings
    18
- Motor Starting
  
  20
- Keypad Controls
  
  20
  - Display
    20
  - Entry
    21
  - Setpoints
    21
  - Clock
    21
  - Print
    21
  - Program
    21
- Accessories and Options
  
  21
- DX Cooler Options
  
  22
  - Pressure
    22
  - 1-1/2" (38 MM) Insulation
    22
  - Flange Accessory
    22
  - Remote DX Cooler
    22
  - Flow Switch Accessory
    22
  - Star-Delta Compressor Motor Starter
    22
- Unit Enclosures
  
  22
- Fans
  
  22
- Sound Reduction Options
  
  22
- Unit Nomenclature and Nameplate Engineering Data
  
  23
  - Basic Part Number
    23
  - Options Section of Part Number
    24
Section 3 Handling and Storage

25
- Delivery and Storage
  
  25
- Inspection
  
  25
- Moving the Chiller
  
  25
  - Lifting Weights
    25
- Unit Rigging
  
  26
Section 4 Installation

27
- Location Requirements
  
  27
- Outdoor Installations
  
  27
- Indoor Installations
  
  27
- Location Clearances
  
  27
- Installation of Vibration Isolators
  
  28
  - Installation
    28
- Shipping Braces
  
  28
- Pipework Connection
  
  28
  - General Requirements
    28
- Water Treatment
  
  29
- Pipework Arrangement
  
  30
- Connection Types & Sizes
  
  30
- Cooler Connections
  
  30
  - Option Flanges
    30
- Refrigerant Relief Valve Piping
  
  30
- Ductwork Connection
  
  30
  - General Requirements
    30
- Electrical Connection
  
  31
- Power Wiring
  
  31
- Standard Units with Multi Point Power Supply Wiring
  
  31
  - Units with Single-Point Power Supply Wiring
    31
- 115VAC Control Supply Transformer
  
  31
  - Remote Emergency Stop Device
    32
- Control Panel Wiring
  
  32
- Volts Free Contacts
  
  32
  - Chilled Liquid Pump Starter
    32
  - Run Contact
    32
  - Alarm Contacts
    32
- System Inputs
  
  32
  - Flow Switch
    32
  - Remote Run/Stop
    32
  - Remote Print
    32
- Power and Control Panel Layouts (Wye-Delta Typical)
  
  33
- Options Panel Layout (Typical)
  
  34
- Logic Section Layout
  
  35
- Logic Section Layout with Control Panel Layout
  
  36
- Customer Connections
  
  37
Section 5 Commissioning

39
- Preparation
  
  39
- Preparation - Power off
  
  39
- First Time Start-Up
  
  41
Section 6 Operation

42
- General Description
  
  42
- Start-Up
  
  42
- Normal Running and Cycling
  
  42
- Shutdown
  
  42
Section 7 Technical Data

43
- Flow Rate and Pressure Drop Charts
  
  43
- Glycol Correction Factors
  
  43
- Temperature and Flows
  
  44
Physical Data (si Units)

45
Operating Limitations & Sound Power Data

46
Electrical Data

48
Electrical Notes

56
Wiring Diagram Across-The-Line Start

57
Elementary Diagram - Across-The-Line Start

60
Wiring Diagram Wye-Delta Start

62
Elementary Diagram - Wye-Delta Start

64
Panel Component Locations

66
Connection Diagram

70
Compressor Terminal Box

71
Dimensions

72
- Ycas02830 - 0343 (Si)
  72
Clearances

74
Weight Distribution and Isolator Mounting Positions

75
Installation Instructions for VMC Series AWR/AWMR and CP Restrained Mountings

83
Refrigerant Flow Diagram

84
Process and Instrumentation Diagram

85
Component Locations

86
Compressor Components

87
System Startup Checklist

93
- Unit Checks
  93
- Panel Checks
  94
Initial Start-Up

95
Checking Subcooling and Superheat

95
Checking Economizer Superheat

96
Leak Checking

96
Section 8 Micro Panel Contents

97
1 Introduction & Physical Description

98
- 1.1 General
  98
- 1.2 Keypad & Display
  98
- 1.3 Unit (Chiller) on / off Switch
  99
- 1.4 Microprocessor Board
  99
- 1.5 Ancillary Circuit Boards
  99
- 1.6 Circuit Breakers
  100
- Current Transformers (C.T.)
  100
- Transformers
  100
- Motor Protection Modules
  101
- EMS/BAS Controls
  103
- Microprocessor Board Layout
  105
- Logic Section Layout
  106
- Anti-Recycle Timer
  107
- Anti-Coincidence Timer
  107
- Evaporator Pump Control
  107
- Compressor Heater Control
  107
- Evaporator Heater Control
  107
- Pumpdown (LLSV) Control
  107
- Alarms
  107
- Run Status (Chiller)
  108
- Lead / Lag Compressor Selection
  108
2 Status Key: General Status Messages and Fault Warnings

109
- General
  109
- General Status Messages
  109
- Unit Warnings
  110
- Anticipation Control Status Messages
  111
- Unit Fault Status Messages
  112
- System Fault (Safety) Status Messages
  113
- Printout on Fault Shutdown
  116
3 Display Keys & Option Switches

117
- General
  117
- Chilled Liquid Temps Key
  117
- System # Data Keys
  118
- Ambient Temp Key
  118
- Motor Current Key
  119
- Operating HRS / Start Counter Key
  119
- Options Key & Dip Switch Settings
  119
- Function Key
  121
4 Print Keys

122
- General
  122
- Oper Data Key
  122
- Operating Data - Local Display Messages
  122
- Operating Data - Remote Printout
  123
- History Key
  125
- Fault History Data - Local Display Messages
  125
- Fault History Data - Remote Printout
  128
5 Entry Keys

129
- General
  129
- Numerical Keypad
  129
- Enter Key
  129
- Cancel Key
  129
- Keys
  129
6 Setpoints Keys & Chilled Liquid Control

130
- General
  130
- Chilled Liquid Temperature Control
  130
- Local Cooling Setpoints Key
  133
- Remote Cooling Setpoints Key
  133
7 Clock Keys

134
- General
  134
- Set Time Key
  134
- Set Schedule / Holiday Key
  135
- Manual Override Key
  136
8 Program Key

137
- General
  137
- Program Key - User Programmable Values
  137
- Programming "Default" Values
  141
- Condenser Fan Control
  142
Section 9 Maintenance

146
- General Requirements
  
  146
  - Daily Maintenance
    146
  - Scheduled Maintenance
    146
  - Chiller/Compressor Operating Log
    146
- Compressor Unit Operation
  
  147
- Maintenance Requirements
  
  148
- General Periodic Maintenance Checks Standard Units
  
  149
Section 10 Spare Parts

150
- Recommended Spares
  150
- Recommended Compressor Oils
  150
- Associated Drawings
  150
Section 11 Troubleshooting

151
- Competent Persons Troubleshooting Guide
  
  151
- Sensor Calibration Charts
  
  153
- Limited Warranty Applied Systems
  
  154
- Temperature Conversion Chart
  
  155

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York MILLENIUM YCAS Series Manuals

York MILLENIUM YCAS Series Installation Operation & Maintenance (156 pages)

Table of Contents

Section 1 General Chiller Information & Safety

Introduction

Warranty

Safety

Responsibility for Safety

About this Manual

Misuse of Equipment

Emergency Shutdown

Material Safety Data

Section 2 Product Description

Introduction

Motor Starting

Keypad Controls

Accessories and Options

DX Cooler Options

Unit Enclosures

Fans

Sound Reduction Options

Unit Nomenclature and Nameplate Engineering Data

Section 3 Handling and Storage

Delivery and Storage

Inspection

Moving the Chiller

Unit Rigging

Section 4 Installation

Location Requirements

Outdoor Installations

Indoor Installations

Location Clearances

Installation of Vibration Isolators

Shipping Braces

Pipework Connection

Water Treatment

Pipework Arrangement

Connection Types & Sizes

Cooler Connections

Refrigerant Relief Valve Piping

Ductwork Connection

Electrical Connection

Power Wiring

Standard Units with Multi Point Power Supply Wiring

115VAC Control Supply Transformer

Control Panel Wiring

Volts Free Contacts

System Inputs

Power and Control Panel Layouts (Wye-Delta Typical)

Options Panel Layout (Typical)

Logic Section Layout

Logic Section Layout with Control Panel Layout

Customer Connections

Section 5 Commissioning

Preparation

Preparation - Power off

First Time Start-Up

Section 6 Operation

General Description

Start-Up

Normal Running and Cycling

Shutdown

Section 7 Technical Data

Flow Rate and Pressure Drop Charts

Glycol Correction Factors

Temperature and Flows

Physical Data (si Units)

Operating Limitations & Sound Power Data

Electrical Data

Electrical Notes

Wiring Diagram Across-The-Line Start

Elementary Diagram - Across-The-Line Start

Wiring Diagram Wye-Delta Start

Elementary Diagram - Wye-Delta Start

Panel Component Locations

Connection Diagram

Compressor Terminal Box

Dimensions

Clearances

Weight Distribution and Isolator Mounting Positions