York YCRL0064 Manuals

Manuals and User Guides for York YCRL0064. We have 1 York YCRL0064 manual available for free PDF download: Installation Operation & Maintenance

York YCRL0064 Installation Operation & Maintenance (164 pages)

REMOTE CONDENSER SCROLL LIQUID CHILLERS STYLE A (60 HZ) 50–170 TONS 175 kW THROUGH 597 kW

Brand: York | Category: Chiller | Size: 8 MB

Read before Proceeding
2
General Safety Guidelines
2
Safety Symbols
2
Changeability of this Document
3
Revision Notes
3
Table of Contents
5
Section 1 - General Chiller Information and Safety
11
Introduction
11
Warranty
11
Safety
12
Misuse of Equipment
12
Section 2 - Product Description
15
Introduction
15
Compressors
15
Refrigerant Circuits
15
FIGURE 1 - YCRL Water Cooled Liquid Chiller
15
Evaporator
16
Condenser
16
Refrigerant Circuit
16
Millennium Control Center
16
Accessories and Options
18
Control / Power Panel Components
20
FIGURE 2 - Control/Panel Components
20
FIGURE 3 - Control Power Panel Components
21
Unit Components
22
FIGURE 4 - Unit Components
22
Product Identification Number (Pin)
23
Refrigerant Flow Diagram - YCRL (Standard)
27
FIGURE 5 - Refrigerant Flow Diagram (Standard)
27
Refrigerant Flow Diagram - YCRL (European)
28
FIGURE 6 - Refrigerant Flow Diagram (European)
28
Section 3 - Transportation, Handling and Storage
29
Delivery and Storage
29
Inspection
29
Moving the Unit
29
Lifting Weights
30
FIGURE 7 - Chiller Rigging and Lifting Weights
30
TABLE 1 - Lifting Weights, High Efficiency (HE)
30
Section 4 - Installation
31
Installation Checklist
31
Location Requirements
31
Unit Isolation (Noise Sensitive Location)
31
Foundation
31
Installation of Vibration Isolators
32
Chilled Liquid Pipework Connection
32
Water Treatment
34
Option Flanges
34
Refrigerant Relief Valve Piping
34
Condenser Relief Valve
34
FIGURE 8 - Grooved Adapter Flanges
34
Pipework Arrangement
35
Connection Types and Sizes
35
FIGURE 9 - Chilled Liquid System
35
FIGURE 10 - Pipework Arrangements Legend
35
FIGURE 11 - Cooler Connections
35
TABLE 2 - Condenser / Cooler Connections
35
Remote Condenser Piping
36
Refrigerant Line Losses
36
Pressure Drop Considerations
36
Refrigerant Line Sizing
36
FIGURE 12 - Example of Typical Effect of Suction and Discharge Line Pressure Drop on Capacity and
36
Oil Traps
37
Refrigerant Charge
37
Refrigerant Piping Reference
37
TABLE 3 - Discharge and Liquid Line Capacities in Tons for Refrigerant R-410A
38
TABLE 4 - Minimum Refrigeration Capacity in Tons for Oil Entrainment up Hot Gas Risers (Type L Copper Tubing)
39
Electrical Connection
40
Field Wiring
40
Control Panel Wiring
41
TABLE 5 - YCRL Connection Line Sizes
41
TABLE 6 - YCRL Chiller Charges
41
Power Wiring
42
Compressor Heaters
42
Relief Valves
42
High Pressure Cutout
43
FIGURE 13 - Control Wiring
44
Control Wiring
44
Remote Start/Stop
44
Load Limit Input
44
Section 5 - Technical Data
45
Operational Limitations (English and SI)
45
TABLE 7 - Temperatures and Flows
45
TABLE 8 - Voltage Limitations
45
Pressure Drop Charts
46
FIGURE 14 - Evaporator Water Pressure Drop Curves (English and SI)
46
Ethylene and Propolyne Glycol Correction Factors
47
FIGURE 15 - Glycol Solution Strengths
47
TABLE 9 - Ethylene and Propolyne Glycol Correction Factors
47
TABLE 10 - Recommended Glycol Solution Strengths
47
Physical Data - Standard and High Efficiency - English
48
Johnson Controls
49
Electrical Data - Single Point
50
Electrical Data - Dual Point
52
Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker
54
FIGURE 16 - Single Point Power Supply Connection - Standard Unit
54
Dual-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker
55
FIGURE 17 - Dual Point Power Supply Connection - Optional
55
Electrical Data
56
TABLE 11 - Micro Panel Power Supply
56
TABLE 12 - Voltage Range (Limitations)
56
Electrical Notes
57
Rated Voltage
57
TABLE 13 - Ground Lug Sizing
58
FIGURE 18 - Standard Power, Single Point and Multiple Point Control Panel Wiring
60
Compressor Unit
60
Wiring Diagrams
60
Elementary Wiring Diagram
60
FIGURE 19 - Standard Power, Single Point and Multiple Point Control Panel Wiring, 6 Compressor Unit
62
FIGURE 20 - Standard Power and Single Point Power Circuit, 4 Compressor Unit
64
FIGURE 21 - Multiple Point Power Circuit, 4 Compressor Unit
65
FIGURE 22 - Standard Power and Single Point Power Circuit, 6 Compressor Unit
66
FIGURE 23 - Multiple Point Power Circuit, 6 Compressor Unit
67
FIGURE 24 - Standard Power and Single Point Connection Wiring Diagram, 4 Compressor Unit
68
FIGURE 25 - Multiple Point Power Connection Wiring Diagram, 4 Compressor Unit
70
FIGURE 26 - Standard Power and Single Point Connection Wiring Diagram, 6 Compressor Unit
72
FIGURE 27 - Multiple Point Connection Wiring Diagram, 6 Compressor Unit
74
FIGURE 28 - Standard Power, Single Point and Multiple Point Elementary Wiring Diagram Details
76
FIGURE 29 - Standard Power, Single Point and Multiple Point Elementary Wiring Diagram Details
78
FIGURE 30 - EEV Controller Wiring
80
Unit Dimensions - English - Four Compressor
81
Unit Dimensions - English - Six Compressor
82
Isolator Selection Data
83
Control Panel
83
Isolator Information
84
One Inch Deflection Spring Isolators Installation Instructions
85
Installation of Duralene Vibration Isolators
87
Two Inch Deflection, Seismic Spring Isolator Cross-Reference
88
Seismic Isolator Installation and Adjustment
89
Section 6 - Commissioning
91
General
91
Preparation - Power off
91
Preparation - Power on
92
Equipment Pre Start-Up and Start-Up Checklist
93
TABLE 14 - Setpoints Entry List
94
Cooling Setpoints
94
Checking Superheat and Subcooling
95
Leak Checking
95
Unit Operating Sequence
96
Section 7 - Unit Controls York Millennium Control Center
97
Introduction
97
Status Key
99
FIGURE 31 - Status Key Messages Quick Reference List
104
Display/Print Keys
105
FIGURE 32 - Operation Data
108
Entry Keys
113
Setpoints Keys
114
TABLE 15 - Cooling Setpoints, Programmable Limits and Defaults
116
TABLE 16 - Program Key Limits and Default
119
FIGURE 33 - Setpoints Quick Reference List
120
Unit Keys
121
FIGURE 34 - Unit Keys Options Programming Quick Reference List
126
Section 8 - Unit Operation
127
Capacity Control
127
Suction Pressure Limit Controls
127
Discharge Pressure Limit Controls
127
Leaving Chilled Liquid Control
127
FIGURE 35 - Leaving Water Temperature Control Example
127
Leaving Chilled Liquid Control Override to Reduce Cycling
128
Leaving Chilled Liquid System Lead/Lag and Compressor Sequencing
128
FIGURE 36 - Setpoint Adjust
128
Return Chilled Liquid Control
129
TABLE 17 - Sample Compressor Staging for Return Water Control
129
TABLE 18 - Return Chilled Liquid Control for 4 Compressors (6 Steps)
129
Return Chilled Liquid System Lead/Lag and Compressor Sequencing
130
Anti-Recycle Timer
130
TABLE 19 - Return Chilled Liquid Control for 4 Compressors (6 Steps)
130
Anti-Coincidence Timer
131
Evaporator Pump Control and York Hydro Kit Pump Control
131
Evaporator Heater Control
131
Pumpdown Control
131
Load Limiting
131
Compressor Run Status
131
TABLE 20 - Compressor Operation - Load Limiting
131
Alarm Status
132
EMS-PWM Remote Temperature Reset
132
Bas/Ems Temperature Reset Usinga Voltage or Current Signal
132
VDC Pressure Setting Guidelines
133
Section 9 - Service and Troubleshooting
135
Clearing History Buffers
135
Service Mode
135
Service Mode - Outputs
135
Service Mode - Chiller Configuration
136
Service Mode - Analog and Digital Inputs
136
Control Inputs/Outputs
137
TABLE 21 - I/O Digital Inputs
137
TABLE 22 - I/O Digital Outputs
137
TABLE 23 - I/O Analog Inputs
137
TABLE 24 - I/O Analog Outputs
137
Microboard Layout
138
FIGURE 37 - Microboard Layout
138
Checking Inputs and Outputs
139
TABLE 25 - Entering/Leaving Chilled Liquid Temperature Sensor, Temperature/Voltage Correlation
139
TABLE 26 - Pressure Transducers
140
FIGURE 38 - I/O Board Relay Contact Architecture
141
Optional Printer Installation
142
FIGURE 39 - Printer to Microboard Electrical Connections
142
Troubleshooting
143
TABLE 27 - Troubleshooting
143
Section 10 - Maintenance
145
Important
145
Compressors
145
Operating Parameters
145
On-Board Battery Back-Up
145
Overall Unit Inspection
145
Bacnet, Modbus and Yorktalk 2 Communications
146
FIGURE 40 - Micro Panel Connections
147
TABLE 28 - Minimum, Maximum and Default Values
147
TABLE 29 - Values Required for Bas Communication
148
Setting Description
148
TABLE 30 - Real Time Error Numbers
148
TABLE 31 - Bacnet and Modbus Communications Data Map
150
TABLE 32 - Yorktalk 2 Communications Data Map
155
Temperature Conversion Chart
161
R-410A Pressure Temperature Chart
162
TABLE 33 - si Metric Conversion
163

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York YCRL0064 Installation Operation & Maintenance (164 pages)

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