York YCAS0178EB Manuals

Manuals and User Guides for York YCAS0178EB. We have 2 York YCAS0178EB manuals available for free PDF download: Installation Operation & Maintenance, Manual

York YCAS0178EB Installation Operation & Maintenance (184 pages)

AIR-COOLED LIQUID CHILLERS

Brand: York | Category: Chiller | Size: 9.51 MB

Table of Contents
4
Section 1 General Chiller Information & Safety

8
- Introduction
  
  8
- Warranty
  
  8
- Safety
  
  8
  - Standards for Safety
    8
- Responsibility for Safety
  
  9
- About this Manual
  
  9
- Misuse of Equipment
  
  9
  - Suitability for Application
    9
  - Structural Support
    9
  - Mechanical Strength
    9
  - General Access
    9
  - Pressure Systems
    9
  - Electrical
    9
  - Rotating Parts
    10
  - Sharp Edges
    10
  - Refrigerants and Oils
    10
  - High Temperature and Pressure Cleaning
    10
- Emergency Shutdown
  
  10
- Material Safety Data
  
  11
Section 2 Product Description

15
- Introduction
  
  15
  - General Description
    15
  - Compressor
    15
  - Evaporator
    16
  - Condenser
    16
  - Oil Separator/System
    17
  - Oil Cooling
    17
  - Capacity Control
    17
  - Power and Control Panel
    17
  - Microprocessor Controls
    18
  - Motor Current Protection
    18
  - Motor Protection Module
    19
  - Current Overload
    19
  - Thermal Overload
    20
  - Current Imbalance
    20
  - Improper Phase Sequence
    20
- Motor Starting
  
  23
- Keypad Controls
  
  23
  - Display
    23
  - Entry
    24
  - Setpoints
    24
  - Clock
    24
  - Print
    24
  - Program
    24
- Accessories and Options
  
  24
- DX Cooler Options
  
  25
- Unit Enclosures
  
  25
- Fans
  
  25
- Sound Reduction Options
  
  25
- Vibration Isolation
  
  25
- Unit Nomenclature Nameplate Engineering Data
  
  26
Section 3 Handling and Storage

28
- Delivery and Storage
  
  28
- Inspection
  
  28
- Moving the Chiller
  
  28
  - Lifting Weights
    28
- Unit Rigging
  
  29
Section 4 Installation

30
- Location Requirements
  
  30
- Outdoor Installations
  
  30
- Indoor Installations
  
  30
- Location Clearances
  
  30
- Installation of Vibration Isolators
  
  31
  - Installation
    31
- Shipping Braces
  
  31
- Pipework Connection
  
  31
  - General Requirements
    31
- Water Treatment
  
  32
- Pipework Arrangement
  
  33
- Connection Types & Sizes
  
  33
- Cooler Connections
  
  33
  - Option Flanges
    33
- Refrigerant Relief Valve Piping
  
  33
- Ductwork Connection
  
  33
  - General Requirements
    33
- Electrical Connection
  
  34
- Power Wiring
  
  34
- Standard Units with Multi Point Power Supply Wiring
  
  34
  - Units with Single-Point Power Supply Wiring
    34
- 115VAC Control Supply Transformer
  
  34
  - Remote Emergency Stop Device
    35
- Control Panel Wiring
  
  35
- Volts Free Contacts
  
  35
  - Chilled Liquid Pump Starter
    35
  - Run Contact
    35
  - Alarm Contacts
    35
- System Inputs
  
  35
  - Flow Switch
    35
  - Remote Run / Stop
    35
  - Remote Print
    35
- Power and Control Panel Layouts (Wye-Delta Typical)
  
  36
- Option Panel Layout (Typical)
  
  37
- Logic Section Layout
  
  38
- Logic Section Layout with Control Panel Layout
  
  39
- Customer Connections
  
  40
Section 5 Commissioning

42
- Preparation
  
  42
- Preparation - Power off
  
  42
- First Time Start-Up
  
  44
Section 6 Operation

45
- General Description
  
  45
- Start-Up
  
  45
- Normal Running and Cycling
  
  45
- Shutdown
  
  45
Section 7 Technical Data

46
Electrical Notes

60
Wiring Diagram Across-The-Line Start

62
Wiring Diagram Wye-Delta Start

66
Elementary Diagram - Wye-Delta Start

67
Connection Diagram

74
Compressor Terminal Box

75
Dimensions

80
- YCAS0128EB (English)
  82
Clearances

98
Weight Distribution and Isolator Mounting Positions (Alum. Fin & Black Fin Cond. Coils)

101
Installation Instructions for VMC Series AWR/AWMR and CP Restrained Mountings

108
Refrigerant Flow Diagram

109
Process and Instrumentation Diagram

110
Component Locations

111
Compressor Components

112
System Startup Checklist

118
- Unit Checks
  118
- Panel Checks
  119
Programmed Values

119
Initial Start-Up

120
Checking Subcooling and Superheat

120
Checking Economizer Superheat

121
Leak Checking

121
- Chiller Control Panel Programming and Data Access Keys
  
  122
- Display and Status Information Keys
  
  122
- ON / off Rocker Switch
  
  122
- Program & Setup Keys
  
  122
1 Introduction & Physical Description

123
- 1.1 General
  123
- 1.2 Keypad & Display
  123
- 1.3 Unit (Chiller) on / off Switch
  124
- 1.4 Microprocessor Board
  124
- 1.5 Ancillary Circuit Boards
  124
- 1.6 Circuit Breakers
  125
- Current Transformers (C.T.)
  125
- 1.8 Transformers
  125
- 1.9 Motor Protection Modules
  126
- EMS/BAS Controls
  128
- Microprocessor Board Layout
  130
- Logic Section Layout
  131
- Anti-Recycle Timer
  132
- Anti-Coincidence Timer
  132
- Evaporator Pump Control
  132
- Compressor Heater Control
  132
- Evaporator Heater Control
  132
- Pumpdown (LLSV) Control
  132
- Alarms
  132
- Run Status (Chiller)
  133
- Lead / Lag Compressor Selection
  133
2 Status Key: General Status Messages & Fault Warnings

134
- General
  134
- General Status Messages
  134
- Unit Warnings
  135
- Anticipation Control Status Messages
  136
- Unit Fault Status Messages
  137
- System Fault (Safety) Status Messages
  138
- Printout on Fault Shutdown
  141
3 Display Keys & Option Switches

142
- General
  142
- Chilled Liquid Temps Key
  142
- System # Data Keys
  143
- Ambient Temp Key
  143
- Motor Current Key
  144
- Operating HRS / Start Counter Key
  144
- Options Key & Dip Switch Settings
  144
- Function Key
  146
4 Print Keys

147
- General
  147
- Oper Data Key
  147
- Operating Data - Local Display Messages
  147
- Operating Data - Remote Printout
  148
- History Key
  150
- Fault History Data - Local Display Messages
  150
- Fault History Data - Remote Printout
  153
5 Entry Keys

154
- General
  154
- Numerical Keypad
  154
- Enter Key
  154
- Cancel Key
  154
- Keys
  154
6 Setpoints Keys & Chilled Liquid Control

155
- General
  155
- Chilled Liquid Temperature Control
  155
- Local Cooling Setpoints Key
  158
- Remote Cooling Setpoints Key
  158
7 Clock Keys

159
- General
  159
- Set Time Key
  159
- Set Schedule / Holiday Key
  160
- Manual Override Key
  161
8 Program Key

162
- General
  162
- Program Key - User Programmable Values
  162
- Programming "Default" Values
  166
- Condenser Fan Control
  167
Section 9 Maintenance

171
- General Requirements
  
  171
  - Daily Maintenance
    171
  - Scheduled Maintenance
    171
- Chiller/Compressor Operating Log
  
  171
- General Periodic Maintenance Checks Standard Units
  
  174
  - Recommended Spares
    175
- Recommended Compressor Oils
  
  175
Section 11 Troubleshooting

176
- Competent Persons Troubleshooting Guide
  
  176
- Sensor Calibration Charts
  
  178
- Limited Warranty Applied Systems
  
  179
- Temperature Conversion Chart
  
  180

York YCAS0178EB Manual (120 pages)

Air Cooled Screw Liquid Chillers

Brand: York | Category: Chiller | Size: 3.25 MB

Table of Contents
2
Introduction
3
Specifications
4
Accessories and Options
8
Temperatures and Flows
11
Water Pressure Drop
12
Ratings
16
Physical Data
34
Dimensions
38
Operating Weights (Aluminum Fin Coils)
82
Isolator Selection (Aluminum Fin Coils)
83
Operating Weights
85
Isolator Selection
86
Isolator Selection
89
Isolator Details
92
Electrical Data
94
Electrical Notes
105
Power Connection Options
106
Typical Control Wiring
110
Application Data
112
Guide Specifications
113

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York YCAS0178EB Manuals

York YCAS0178EB Installation Operation & Maintenance (184 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

Vibration Isolation

Unit Nomenclature 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)

Option 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

Operating Limitations & Sound Power Data

Electrical Data

Electrical Notes

Wiring Diagram Across-The-Line Start

Wiring Diagram Wye-Delta Start

Elementary Diagram - Wye-Delta Start

Connection Diagram

Compressor Terminal Box

Dimensions

Clearances

Weight Distribution and Isolator Mounting Positions (Alum. Fin & Black Fin Cond. Coils)

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

Refrigerant Flow Diagram