Vertiv Liebert MCM080 - Default Chapter; Table of Contents

TABLE OF CONTENTS
Important Safety Guidelines 5
Liebert MC Nomenclature 9
1 Introduction 11
1.1 Product Description and Features 11
1.2 Control, Fan Types and Features 11
1.2.1 Premium Efficiency Control/EC Fan 11
1.3 Liebert Lee-Temp™ Refrigerant Control 12
1.4 Surge Protective Device 13
2 Site Preparation 15
2.1 Site Considerations 15
2.2 Dimensions and Weights 15
2.2.1 Condenser and Options Net Weights 16
3 Inspection and Installation 27
3.1 Equipment Inspection 28
3.1.1 Packing Material 28
3.2 Handling Unit on the Skid 28
3.3 Unit Storage 29
3.4 Unpacking the Condenser—All Unit Sizes 29
3.5 Preparing a Condenser for Moving and Installation 30
3.5.1 Attaching 18" (457mm) Legs, RemovingtheSkidandAttachingSlings 30
3.5.2 Attaching36to60in.(914to1524mm)Legs, RemovingtheSkidandAttaching Slings 33
3.6 Mounting the Condenser 36
3.6.1 Standard Mounting Requirements 36
3.6.2 Seismic-Certified and Wind-Certified Mounting Requirements 36
4 Electrical Connections 39
4.1 Line Voltage Wiring 40
4.1.1 Wye- vs. Delta-Connected Power Supply 42
4.2 Low-voltage Control Wiring—CANbus Communication andInterlock Connections 43
4.2.1 Electrical Field Connection Descriptions 50
5 Piping 53
5.1 Piping Guidelines 53
5.2 Field Piping Guidelines 61
5.2.1 Field Piping Guidelines foraLiebertDXSystemandLiebertMCCondenser 62
5.2.2 Field Piping Guidelines foraLiebertDSEandLiebertPremiumMCCondenser 68
5.3 Refrigerant Planning Values 75
5.3.1 Recommended Refrigerant Line Sizes 76
5.4 Equipment Application Guidelines 78
5.5 Refrigerant Oil Addition Procedures 78
5.6 System Dehydration/Leak Test 78
5.7 System Charging with Liebert MC 78
Vertiv | Liebert® MC™ Installer/User Guide | 3