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Precision Cooling
For Business-Critical Continuity™
® ™
Liebert XDR
User Manual
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IMPORTANT SAFETY GUIDELINES SAVE THESE INSTRUCTIONS WARNING ! Risk of top-heavy module falling over. Can cause equipment damage, personal injury or death. Improper handling can cause equipment damage, injury, or death. Read all of the following instructions before attempting to move, lift, remove packaging from the module, or preparing module for installation. WARNING ! Risk of explosive discharge of high-pressure refrigerant. Can cause personal injury or death. This module contains fluids an
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TABLE OF CONTENTS IMPORTANT SAFETY GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSIDE FRONT COVER 1.0 COMPONENT LOCATIONS AND MODEL NUMBER NOMENCLATURE. . . . . . . . . . . . . . . . . . . . .1 2.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2.1 References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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6.7 Field Installation of Liebert XD Flex Pipe Kit on Liebert XDR . . . . . . . . . . . . . . . . . . . . . . 18 6.7.1 Connecting Methods—One-Shot Couplings for Pre-Charged Refrigerant Option . . . . . . . . . 19 6.7.2 Connect a Liebert XDR with One-Shot Couplings to Liebert XD Flex Pipe . . . . . . . . . . . . . . 20 6.7.3 Connection Methods—Removable Couplings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.7.4 Connect Liebert XD Flex Pipe with Removable Coupli
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FIGURES Figure 1 Liebert XDR component locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2 Liebert XDR model number nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 3 Generic piping layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 4 Recommended module handling equipment . . . .
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Component Locations and Model Number Nomenclature 1.0 COMPONENT LOCATIONS AND MODEL NUMBER NOMENCLATURE Figure 1 Liebert XDR component locations 3 2 1 7 4 6 5 1. Supply Line 2. Door Safety Catch 3. Return Line 4. Evaporator Coils 5. Locking Door Latch 6. Removable Installation Handles 7. Frame Figure 2 Liebert XDR model number nomenclature Example: XDR20B1R — * XD R 20 B 1 R — * Liebert 20 = Model Size 1 = Standard - = Domestic Packaging X-treme E = Export Packaging heat density system Rear Co
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Introduction 2.0 INTRODUCTION 2.1 References This document must be used together with site specific documentation and documentation for other parts of the system. 2.2 Pre-Installation Checks • Check the received materials to be sure all required assemblies and parts have been received. If you discover any external damage, report it to the shipping company and your local Emerson rep- resentative. 2.3 Packing List • User manual (this document) • Liebert XDR module 2.4 Installation Considerations
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General Product Information 3.0 GENERAL PRODUCT INFORMATION 3.1 Product/System Description The Liebert XDR is a cooling system for high-density heat loads that mounts on the rear of a 24" x 42U rack (for other sizes consult the factory) and maintains access to the back of the server rack. Room air is drawn in through the front of the rack and picks up heat from the servers. The coil captures that heat, cooling the air, which is expelled through the rear of the rack. The Liebert XDR relies on
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General Product Information 3.2.1 Recyclable Packaging R All material used to package this module is recyclable. Please save for future use or dispose of the material appropriately. CAUTION ! Risk of sharp edges, splinters and exposed fasteners. Can cause personal injury. Only properly trained personnel wearing appropriate safety headgear, gloves, shoes and glasses should attempt to move, lift, remove packaging from, or prepare module for installation. NOTICE Risk of improper storage. Can cau
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General Product Information 3.2.3 Unpacking the Module WARNING ! Risk of 130-pound (59 kg) module falling. Can cause equipment damage, personal injury or death. Do not leave a Liebert XDR standing unattended on its side or its end without adequate support to prevent it from falling over. The Liebert XDR must be supported at all times or laid flat on protective material until it is installed. Two properly trained and qualified people are required to move the module. Do not unpack the Liebert X
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General Product Information Figure 5 Removing packaging Step 1 Cut Bands Step 2 Unbend Tabs Hardware Step 3 and Keys Steps 4, and 5 Remove the Top Cover Center Top Brace Step 7 Remove Foam Protecting Top of Module Step 6 Remove Side Panels 6
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General Product Information Figure 6 Remove Liebert XDR from pallet Two people are required to remove the module from the pallet and remove the bag WARNING ! Risk of 130-pound (59 kg) module falling. Can cause equipment damage, personal injury or death. Do not leave a Liebert XDR standing unattended on its side or its end without adequate support to prevent it from falling over. The Liebert XDR must be supported at all times or laid flat on protective material until it is installed. Two prope
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Mechanical Considerations 4.0 MECHANICAL CONSIDERATIONS 4.1 Liebert XDR Dimensions The Liebert XDR is engineered to fit on the rear of a rack enclosure measuring approximately 24" x 42U. Consult the factory for other sizes. Figures 7, 8 and 9 illustrate the module’s dimensions and the location of pipes. Figure 11 shows the attachment positions of each module. Figure 7 Overall dimensions with hard-piped connections Piping is not load-bearing and should never be used to lift or 4" (102mm) mov
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Mechanical Considerations Figure 8 Overall dimensions with one-shot coupling (pre-charged) Piping is not load-bearing and should never be used to lift or 5-1/8" move the Liebert XDR. (130mm) 1-5/16" 1-1/8" (34mm) (29mm) 2-1/8" 1-1/2" (54mm) (38mm) 25-5/8" (651mm) 78-3/8" 20-1/2" 83-1/2" (1991mm) (520mm) (2121mm) 110deg 6-1/2" 5-7/8" (165mm) (149mm) 27-3/8" (695mm) 23-1/2" (597mm) 27-3/8" (695mm) 9
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Mechanical Considerations Figure 9 Overall dimensions with removable coupling Piping is not load-bearing and 1-1/2" should never be used to lift or (38mm) move the Liebert XDR. 1-5/16" 7/8" (33mm) (22mm) 2-1/8" 1-1/2" (54mm) (38mm) 25-5/8" (651mm) 80" 78-3/8" (2032mm) (1991mm) 20-1/2" 110deg (520mm) 5-7/8" 6-1/2" (149mm) (165mm) 27-3/8" (695mm) 23-1/2" (597mm) 27-3/8" (695mm) 4.2 Determining Placement in the Conditioned Space Refer to site-specific drawings for exact placement. Efficient cooli
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Mechanical Considerations 4.3 Airflow The server fans draw air into the equipment enclosure. After heated the air, the server fans force the air across the Liebert XDR’s two coils. The Liebert XDR has a low air-side pressure drop (similar to a rack with perforated doors). The server fans within the rack create sufficient airflow to move the air. Figure 10 Generic airflow diagram Enclosure /Rack Shown from Side Refrigerant Connections Liebert XDR Critical Equipment Front Rear of of Rack Ra
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Installation 5.0 INSTALLATION 5.1 Installing the Rack-Mounting Kit onto the Rack The Liebert XDR module mounts on the rear of the rack using a mounting kit. The mounting kit secures the Liebert XDR's frame to the rack. Two rails are attached to the rear of the rack with M6 x 12 bolts. The number of bolts can vary depending on the rack. Before beginning to attach the rack-mounting brackets to the rack, remove the rear door from the rack. Refer to the rack’s installation manual for details. 1.
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Installation 5.3 Door Safety Catch The door safety catch prevents the door from opening beyond 110°. When the door is fully open, the safety catch will hold door in place. To release the door, push up on the door catch and close the door. 13
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Piping 6.0 PIPING Refer to site-specific drawings for general locations of the piping connections. The drawings should specify where the piping connects to the Liebert XDR. 6.1 European Union Fluorinated Greenhouse Gas Requirements Stationary air conditioning, refrigeration, heat pump equipment and stationary fire protection sys- tems in the European Community market and operating with fluorinated greenhouse gases (f-gas), such as R407C, R-134a, R410A, must comply with the F-Gas Regulation: (E
