Vertiv CoolPhase CDU

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5. Make sure to connect any transducer wire harness from the bottom module to the top module, reference the

main unit electrical schematic for details.

Vertiv™ CoolPhase CDU Installer/User Guide

Main Page

Table of Contents3
Important Safety Instructions7
Nomenclature and Components15
Model Number Nomenclature15
Component Location18
Vertiv™ Coolphase CDU18
Determining Cooling Equipment Needs20
Cooling Configuration21
Vertiv™ Coolphase CDU Minimum Load25
Pre-Installation Preparation and Guidelines27
Site Preparation28
Preparing a Concrete Slab29
Planning Dimensions29
Unit Weights30
Equipment Inspection and Handling31
Packaging Material31
Storing before Installation32
Handling Units While Packaged32
Recommended Unit Handling Equipment32
Unpacking the Vertiv™ Coolphase CDU Domestic Units33
Shipping Bracket Removal, Lower Module33
Unpacking/Removal of the Upper Module34
Unpacking/Removal of the Lower Module36
Removal37
Placing the Unit on a Floorstand38
Packaging Material38
Floorstand Preparation39
Floorstand Anchorage39
Placing Unit Onto Floorstand40
Securing Unit to Floorstand40
Installing the Unit Without a Floorstand41
Module Preparation for Attachment42
Securing Unit to Concrete Slab Floor44
Upper Module Placement Onto Lower Module45
Upper Module Attachment47
Refrigerant Piping Requirements51
Refrigerant Pipe Connection Sizes52
Refrigerant Connection Locations52
Refrigerant Piping and Charging53
Refrigerant Piping Guidelines for Air Cooled Systems54
Piping Layout and Condenser Positioning55
Refrigerant Line Sizes and Equivalent Lengths56
Refrigerant Charge Requirements for Air Cooled Systems56
Additional Oil Requirements for Scroll and Digital Scroll Compressors57
Evacuation, Leak Testing, and Charging Air Cooled Systems60
Evacuation and Leak Testing Air Cooled Systems60
Break Vacuum61
Charging the Refrigerant Circuit to an Outdoor Air Cooled Condenser with Receivers ( MCV440)61
Additional Compressor Oil63
Heat Rejection Skid65
Planning Dimensions65
Vertiv™ Liebert® MCV Electrical Power Requirements65
Secondary Fluid Circuit Requirements67
Interconnection with Cooling Modules67
Fluid Requirements67
Secondary Fluid Loop Piping Guidelines67
Inspect Hygienic Sanitary Flange Connections69
Secondary Fluid Top Circuit71
Air Bleeders74
Fluid Volume for Unit and Connection Piping74
Field Piping Connection Volumes74
Wetted Materials List Vertiv™ Coolphase CDU75
Secondary Fluid Flow Considerations for Rear Door Heat Exchangers76
Secondary Fluid Flow Considerations for Direct to Chip Cold Plates76
Fluid Quality Requirements for Rear Door Heat Exchanger and Direct to Chip Applications76
Filling and Flushing Secondary Fluid Circuit78
Flush the Secondary Row and Rack Manifold Without IT Equipment78
Fill the Secondary Row and Rack Manifold (IT Equipment)83
Electrical Connections85
Power Supply Cable Connection Guidelines86
Wiring Connection Guidelines86
Electrical Field Connections87
Wiring the Upper Section to the Bottom Module87
Checklist for Completed Installation91
Start the Vertiv™ Coolphase CDU91
Checks to Perform after Start-Up91
Electrical Installation Checks92
Vertiv™ Liebert® DX Piping Installation Checks92
Vertiv™ Liebert® Secondary Circuit Piping Installation Checks92
Troubleshooting93
Initial Start-Up Checks and Commissioning Procedure for Warranty Inspection97
Maintenance99
Safety Instructions99
Maintenance Schedule100
Fluid and Piping Maintenance100
Spare Parts101
Electronic Expansion Valve (EEV) Maintenance101
Compressor Maintenance101
Compressor Oil101
Replacement Compressors Compressor Electrical Failure (Motor Burnout)102
Replacing a Compressor Without Rotalock Valve on Digital Scroll Compressors with Electrical Failure (Motor Burnout)102
Flow Sensor103
Outdoor Heat Rejection Condenser Maintenance106
Mesh Filter Cleaning106
Preventive Maintenance Checklist107
Maintenance Notes110
Appendices111
Appendix A: Technical Support and Contacts111
Appendix B: Submittal Drawings113
Component Location Diagram115
Piping Connections138
Field Electrical Connections139
Electrical Data149
Electrical Field Connections150

Vertiv CoolPhase CDU - Page 89

Table of Contents

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