Vertiv Liebert PFD - Default Chapter; Table of Contents

TABLE OF CONTENTS
1 Important Safety Instructions 5
1.1 Agency Listed 6
2 Nomenclature and Components 7
2.1 PFD Model Number Nomenclature 7
2.2 Component Location 8
3 Pre-installation PreparationandGuidelines 9
3.1 Planning Dimensions 9
3.1.1 Location Considerations for Outdoor Condensing Unit 9
3.2 Connections and System Setup 10
3.3 PFD Unit Weights 10
3.4 Equipment Inspection and Handling 10
4 Piping and Refrigerant Requirements 11
4.1 Refrigerant Piping 11
4.1.1 Refrigerant Piping Guidelines forAir-cooledSystems 12
4.1.2 Piping when Condensing Unit is Above or Below Evaporator 13
4.2 Refrigerant-line Sizes and Equivalent Lengths 14
4.2.1 Refrigerant Charge Requirements 14
4.2.2 Additional Oil Requirements for Digital-scroll Compressors 19
5 Electrical Connection Requirements 21
5.1 Low-voltage, Control Connections 22
6 Checklist for Completed Installation 23
7 Initial Start-up Checks andCommissioning ProcedureforWarrantyInspection 25
8 Maintenance 27
8.1 General Maintenance 28
8.2 Compressor Maintenance 28
8.2.1 Compressor Oil 28
8.2.2 Replacement Compressors 28
8.2.3 Compressor Motor Burnout 29
8.2.4 Unloading Solenoid(s) on a Digital-scroll Compressor 29
8.2.5 Replacing the Compressor 29
8.3 Condensing Unit Maintenance 30
9 Troubleshooting 31
Appendices 33
Appendix A: Technical Support and Contacts 33
Appendix B: Submittal Drawings 35
Vertiv | Liebert® PFD™ Installer/User Guide | 3