York YCWL Series - Page 4

York YCWL Series

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JOHNSON CONTROLS

FORM 150.26-EG1 (116)

4

THIS PAGE INTENTIONALLY LEFT BLANK.

Table of Contents

Nomenclature2
Table of Contents3
Equipment Overview5
Microprocessor Controls8
- Power Options11
- Controls Options11
- Heat Exchanger Options11
Accessories and Options11
- Chiller Options12
- Vibration Isolation13
Refrigerant Flow Diagram14
Design Parameters15
Pressure Drop Curves16
Selection Rules18
Selection Data18
- Method of Selection19
- Solution20
- Sample Selection20
- Unit Location22
- Unit Isolation22
- Field Connected Water Piping22
Application Data22
- Field Wiring23
- Condenser Water23
- Refrigerant Relief Piping23
- Ratings - Standard Efficiency24
- Ratings - High Efficiency27
Part Load Ratings30
- Physical Data - English32
- Physical Data - si34
Isolator Selection Data36
Elastomeric Isolator View37
Isolator Information37
- One Inch Deflection Spring Isolator38
- Two Inch Deflection Spring Isolator39
Sound Data40
Unit Dimensions - Four Compressor42
- Unit Dimensions - Five & Six Compressor44
- Unit Dimensions - si - Four Compressor46
- Unit Dimensions - si - Five & Six Compressor48
- Standard Efficiency Without Optional External Compressor Overloads50
Single Point Electrical Data50
- High Efficiency Without Optional External Compressor Overloads52
- Standard Efficiency with Optional External Compressor Overloads54
- High Efficiency with Optional External Compressor Overloads56
- Dual Point Electrical Data58
- Standard Efficiency with External Compressor Overloads58
- High Efficiency with External Compressor Overloads60
Electrical Notes62
Ground Wire Sizing63
Typical Control Panel Wiring64
Single Point Power Supply Connection - Standard Unit68
Customer Wiring Information68
Dual Point Power Supply Connection - Optional69
Guide Specifications70
- Delivery and Handling71
- Chiller Materials and Components71
- Compressors71
- Refrigerant Circuit Components72
- Heat Exchangers72
- Controls72
- Differential Pressure Switch (Field Mounted)74
- Power Supply Connections (Factory Mounted)74
- Control Power Transformer (Factory Mounted)74
- Power Connection and Distribution74
- Service Isolation Valves75
- Hot Gas By-Pass75
- Sound Reduction75
- Double Thick Evaporator Insulation75
- Installation76
SI Metric Conversion77

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