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York YCIV User Manual
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FORM 201.23-EG2 (713)
Model
YCIV
Air-Cooled Screw Liquid Chillers
with V
ariable Speed Drive
Style A
527 - 1354 kWi
2, 3, and 4 Compressor
50Hz
HFC-134a
140-200 T
ons
60Hz
2
Table of Contents
Table of Contents
2
Introduction
3
YORK YCIV Air-Cooled Screw Liquid Chillers
3
Power and Electrical
4
Refrigerant Circuit
4
Unit Overview
4
Evaporator
5
Microcomputer Control Center
5
Condenser Section
5
Complete Factory Package
6
Sound Reduction Options
7
Condenser Coil Protection
7
Ultra Quiet Fans
7
Accessories and Options
7
Vibration Isolation
8
General Options
8
Evaporator Options
8
Nomenclature
9
Temperature and Flows
10
Si Units
12
Water Pressure Drop
12
Pressure Drop through Three and Four Circuit YCIV Evaporators
13
Standard Efficiency Ratings - si - 400V/50Hz
14
High Efficiency Ratings - si - 400V/50Hz
18
High Efficiency Ratings - si - 400V/50Hz
20
Physical Data (si - Standard Efficiency)
22
Physical Data (si - High Efficiency)
24
Dimensions
26
Isolator Locations
48
Isolator Locations - si
50
Isolator Details
52
Elastomeric Isolator Cross-Reference
53
Two Inch Deflection, Seismic Spring Isolator Cross-Reference
54
Electrical Data - 2 Comp Standard Efficiency
56
Electrical Data - 2 Comp High Efficiency
58
Electrical Data - 3 & 4 Comp Standard Efficiency
60
Electrical Data - 3 Comp High Efficiency
62
Voltage Utilization Range
64
Electrical Notes
64
2 Compressor Power Wiring Connections
65
Two Compressor Wiring Diagram with Circuit Breaker
65
Two Compressor Wiring Diagram with Terminal Block
65
Power Wiring
65
3 Compressor Power Wiring Connections
66
Four Compressor Wiring Diagram with Circuit Breaker – Multi Point
67
Typical Control Wiring - Two Compressor
68
Typical Control Wiring - Three Compressor
70
Chilled Liquid Piping
74
Foundation
74
Unit Location
74
Application Data
74
Delivery and Handling
75
Quality Assurance
75
Products
75
Guide Specifications
75
Compressors and Motors
76
Heat Exchangers
76
Operating Characteristics
76
Refrigerant Circuit Components
76
Power and Electrical Requirements
77
Controls
77
Display and Keypad
77
Power Supply/Connections
78
Protective Chiller Panels
78
Execution
79
Building Automation System Interface
79
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York YCIV Specifications
General
Refrigerant
R-134a
Condenser
Water-cooled
Voltage Range
600V
Frequency
50 Hz or 60 Hz
Operating Temperature Range
40°F
Efficiency
High Efficiency
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