Vertiv Liebert DA265 - Default Chapter; Table of Contents

TABLE OF CONTENTS
1 Important Safety Instructions 1
2 Nomenclature and Components 7
2.1 Liebert® DSE Model Number Nomenclature 7
2.2 Component Location 9
3 Pre-installation PreparationandGuidelines 11
3.1 Planning Dimensions 11
3.2 Connections and System Setup 12
3.3 Operating Conditions 12
3.3.1 Humidification Control 12
3.4 Shipping Dimensions and Unit Weights 12
4 Equipment Inspection and Handling 15
4.1 Packaging Material 15
4.2 Handling the Unit while Packaged 16
4.3 Unpacking the Unit 16
4.4 Removing the Unit from the Skid 17
4.5 Unpacking and Handling the Fan Section 20
5 Electrical Field Connections 21
6 Piping and Refrigerant Requirements 23
6.1 Drain Fluid Piping 24
6.1.1 Field Installed, Gravity Fed Drain Line Requirements 24
6.1.2 Condensate Pump Drain Line Requirements 26
6.2 Refrigerant Piping and Charging 26
6.2.1 Refrigerant Piping Guidelines forAir CooledSystems 27
6.2.2 Piping Layout and Condenser Positioning 28
6.2.3 Refrigerant Line Sizes and Equivalent Lengths 28
6.2.4 Refrigerant Charge Requirements for Air Cooled Systems 29
6.2.5 Additional Oil Requirements forScrollandDigital ScrollCompressors 30
6.2.6 Evacuation, Leak Testing, and Charging Air Cooled Systems 32
7 Checklist for Completed Installation 37
7.1 Moving and Placing Equipment 37
7.2 Electrical Installation Checks 37
7.3 Piping Installation Checks 37
7.4 Other Installation Checks 37
8 Initial Startup Checks andCommissioningProcedure forWarrantyInspection 41
9 Maintenance 43
9.1 Filters 44
9.1.1 Replacing the Filters 44
9.2 Fan Maintenance 45
9.2.1 Fan Assembly Troubleshooting 45
9.2.2 Fan Impellers 46
Vertiv | Liebert® DSE Thermal Management System Installer/User Guide | i