Vertiv Liebert XD Series, System Design Manual

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TABLE OF CONTENTS
1 System Description 7
1.1 European Union Fluorinated Greenhouse Gas Requirements 7
1.2 Generic Piping Layouts 8
1.3 Liebert XDA—Air Flow Enhancer 9
1.4 Liebert XDCF—Liebert XD CoolFrame 10
1.5 Liebert XDH—Horizontal Cooling Module 10
1.6 Liebert XDO—Overhead Cooling Module 11
1.7 Liebert XDR—Rear Cooling Module 13
1.8 Liebert XDV—Vertical, Above-Cabinet Cooling Module 13
1.9 Liebert XDC—Refrigerant Chiller 15
1.9.1 Liebert XDC Minimum Load 15
1.10 Liebert XDP—Pumping Unit 15
1.10.1 Liebert XDP Minimum Load 16
1.11 Liebert XD Piping 16
1.11.1 Liebert XD Field Piping 16
2 Starting a New Equipment Cooling Project 19
2.1 Determining Cooling Equipment Needs 19
2.2 Implementing a Hot-Aisle/Cold Aisle Design 19
3 Designing a Liebert XD Solution 21
3.1 Determine Cooling Requirements and Select Liebert XD System 21
3.2 Calculate the Heat Load to be Handled by Liebert XD System 21
3.3 Selecting Liebert XD Cooling Modules 22
3.4 Configuring a Liebert XD System 24
3.4.1 Number of Modules Supported by a Liebert XDP or Liebert XDC 24
3.4.2 System Connection Configuration 25
3.5 Airflow Requirements for Liebert XD Solutions 26
3.6 Liebert XDCF Placement 26
3.7 Liebert XDH Placement 27
3.8 Liebert XDO Placement 28
3.8.1 Determining Spacing of Liebert XDOs in an Aisle 28
3.8.2 Determining Vertical Placement of Liebert XDOs Above the Cold Aisle 29
3.9 Liebert XDR Module Placement 30
3.9.1 Airflow 31
3.10 Liebert XDV Module Placement 32
3.11 Liebert XDP/Liebert XDC Placement 33
3.12 Examples of Expansion and Interlaced Connection of Liebert XD Cooling Modules 34
3.13 Liebert XD Piping System Design 38
3.14 Liebert XD Piping Slope 40
3.15 Bypass Flow Controllers 40
3.16 Piping Details—Shutoff/Isolation Valves 42
Vertiv | Liebert® Xtreme Density™ System Design Manual | 3