York Millennium YCAS 1263 Manuals

Manuals and User Guides for York Millennium YCAS 1263. We have 1 York Millennium YCAS 1263 manual available for free PDF download: Installation Operation & Maintenance

York Millennium YCAS 1263 Installation Operation & Maintenance (188 pages)

AIR COOLED LIQUID CHILLER, 3/4 COMPRESSOR STYLE F 50 Hz

Brand: York | Category: Chiller | Size: 9.18 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
Oil Separator/System
14
Oil Cooling
15
Capacity Control
15
Power and Control Panel
15
Microprocessor Controls
15
Motor Current Protection
15
Motor Protection Module
16
Current Overload / Loss of Phase
16
Thermal Overload
17
Current Imbalance
17
Improper Phase Sequence
17
Motor Protector Dip Switch Settings
18
Motor Starting
22
Keypad Controls
22
Display
22
Entry
23
Setpoints
23
Clock
23
Print
23
Program
23
Accessories and Options
23
Multiple Point Power Connection (Standard)
23
Single-Point Power Connection with Individual Circuit Protection
23
Single-Point Power Connection with Combined Circuit Protection
23
Single-Point Power Connection Without Circuit Protection
23
DX Cooler Options
24
Bar (300 PSIG) Waterside Design Working Pressure
24
MM (1-1/2") Insulation
24
Flange Accessory
24
Remote DX Cooler
24
Flow Switch Accessory
24
Star-Delta Compressor Motor Starter
24
Unit Enclosures
24
Fans
24
Sound Reduction Options
24
Unit Nomenclature and Nameplate Engineering Data
25
Basic Part Number
25
Options Section of Part Number
25
Section 3 Handling and Storage
27
Delivery and Storage
27
Inspection
27
Moving the Chiller
27
Lifting Weights
27
Unit Rigging
28
Section 4 Installation
29
Location Requirements
29
Outdoor Installations
29
Indoor Installations
29
Location Clearances
29
Installation of Vibration Isolators
30
Installation
30
Shipping Braces
30
Pipework Connection
30
General Requirements
30
Water Treatment
31
Pipework Arrangement
31
Connection Types & Sizes
32
Cooler Connections
32
Option Flanges
32
Refrigerant Relief Valve Piping
32
Ductwork Connection
32
General Requirements
32
Electrical Connection
33
Power Wiring
33
Standard Units with Multi Point Power Supply Wiring
33
Units with Single-Point Power Supply Wiring
33
Control Supply Transformer
33
Remote Emergency Stop Device
34
Control Panel Wiring
34
Volts Free Contacts
34
Chilled Liquid Pump Starter
34
Run Contact
34
Alarm Contacts
34
System Inputs
34
Flow Switch
34
Remote Run / Stop Switch
34
Remote Print
34
Power and Control Panel Layouts (Wye-Delta Typical)
35
Options Panel Layout (Typical)
36
Logic Section Layout
37
Logic Section Layout with Control Panel Layout
38
Customer Connections
39
Section 5 Commissioning
41
Preparation
41
Preparation - Power off
41
First Time Start-Up
43
Section 6 Operation
44
General Description
44
Start-Up
44
Normal Running and Cycling
44
Shutdown
44
Section 7 Technical Data
45
Flow Rate and Pressure Drop Charts
45
Temperature and Flows
46
Physical Data (si Units)
47
Operating Limitations & Sound Power Data
48
Electrical Data
50
Multiple Point Power Supply Connection
50
Optional Single-Point Power Supply Connection with Individual System Circuit Breakers
50
Control Power Supply
52
Electrical Notes
53
3 & 4 Compressor Power Connection Options
54
Compressor Data
56
Fan Data
56
Elementary Diagram - Across-The-Line Start
57
Delta Start (YCAS0693 - YCAS0953)
59
Standard 3 Compressor Power Supplies Wye-Delta Start
60
Wiring Diagram Across-The-Line Start
61
Standard Compressor Power Supplies
62
Across-The Line Start and Wye-Delta Start
62
Connection Diagram
66
Connection Diagram - Electrical Box
68
Elementary Diagram DXST Direct Drive Control Circuit
69
Connection Diagram System Wiring
72
Standard and Remote Evap. Units
72
Elementary Diagram DXST Direct Drive Power Circuit
74
Wye-Delta Start (YCAS1062 - YCAS1263)
76
Standard 4 Compressor Power Supplies Wye-Delta Start
77
Standard Compressor Power Supplies Across-The-Line Start (Ycas1063 - Ycas1263)
78
Standard Compressor Power Supplies (YCAS1063 - YCAS1263)
80
Connection Diagram Systems 1 & 2
84
Connection Diagram Systems 3 & 4
84
Connection Diagram - Electrical Box
88
Elementary Diagram DXST Direct Drive Control Circuit
90
Connection Diagram System Wiring
93
Standard and Remote Evap. Units
93
Compressor Terminal Box - Systems 1- 4
95
Dimensions
96
Ycas0693 - 0773 (Si)
96
Ycas0783 - 0953 (Si)
98
Ycas1063 (Si)
100
Ycas1093 (Si)
102
Ycas1163 - 1263 (Si)
104
Clearances
106
Operating Weights - Aluminum Fin Coils
107
Isolator Selection - Aluminum Fin Coils
108
Operating Weights - Copper Fin Coils
109
Isolator Selection - Aluminum Fin Coils
110
Isolator Details
111
Installation Instructions for VMC Series AWR/AWMR and CP Restrained Mountings
113
Refrigerant Flow Diagram
114
Process and Instrumentation Diagram
115
Component Locations - 3 Compressor Units
116
Component Locations - 4 Compressor Units
117
Compressor Components
118
System Startup Checklist
124
Unit Checks
124
Panel Checks
125
Initial Start-Up
126
Checking Subcooling and Superheat
126
Checking Economizer Superheat
127
Leak Checking
127
Section 8 Micropanel Contents
128
Chiller Control Panel Programming and Data Access Keys
128
Display and Status Information Keys
128
ON / off Rocker Switch
128
Program & Setup Keys
128
Introduction & Physical Description
129
1.1 General
129
1.2 Keypad & Display
129
1.3 Unit (Chiller) on / off Switch
130
1.4 Microprocessor Board
130
1.5 Ancillary Circuit Boards
130
1.6 Circuit Breakers
131
Current Transformers (C.T.)
131
Transformers
132
Motor Protector Modules
132
EMS/BAS Controls
134
Microprocessor Board Layout
136
Logic Section Layout
137
Anti-Recycle Timer
138
Anti-Coincidence Timer
138
Evaporator Pump Control
138
Compressor Heater Control
138
Evaporator Heater Control
138
Pumpdown (LLSV) Control
138
Alarms
138
Run Status (Chiller)
139
Lead / Lag Compressor Selection
139
Or 4 Compressor Chiller Configuration
139
Status Key: General Status Messages and Fault Warnings
140
General
140
General Status Messages
140
Unit Warnings
141
Anticipation Control Status Messages
142
Unit Fault Status Messages
143
System Fault (Safety) Status Messages
144
Printout on Fault Shutdown
147
Display Keys & Option Switches
148
General
148
Chilled Liquid Temps Key
148
System # Data Keys
149
Ambient Temp Key
149
Motor Current Key
149
Operating HRS / Start Counter Key
150
Options Key & Dip Switch Settings
150
Function Key
152
Print Keys
153
General
153
Oper Data Key
153
Operating Data - Local Display Messages
153
Operating Data - Remote Printout
154
History Key
156
Fault History Data - Local Display Messages
156
Fault History Data - Remote Printout
159
Entry Keys
160
General
160
Numerical Keypad
160
Enter Key
160
Cancel Key
160
Keys
160
Setpoints Keys & Chilled Liquid Control
161
General
161
Chilled Liquid Temperature Control
161
Local Cooling Setpoints Key
164
Remote Cooling Setpoints Key
164
Clock Keys
165
General
165
Set Time Key
165
Set Schedule / Holiday Key
166
Manual Override Key
167
Program Key
168
General
168
Program Key - User Programmable Values
168
Programming "Default" Values
172
Compressor Condenser Fan Control
173
Compressor Condenser Fan Control
175
Section 9 Maintenance
178
General Requirements
178
Daily Maintenance
178
Scheduled Maintenance
178
Chiller/Compressor Operating Log
178
Compressor Unit Operation
179
Maintenance Requirements
180
General Periodic Maintenance Checks Standard Units
181
Section 10 Spare Parts
182
Recommended Spares
182
Recommended Compressor Oils
182
Associated Drawings
182
Section 11 Troubleshooting
183
Competent Persons Troubleshooting Guide
183
Sensor Calibration Charts
185
Limited Warranty Applied Systems
186
Temperature Conversion Chart
187

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York Millennium YCAS 1263 Installation Operation & Maintenance (188 pages)

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