Vertiv Liebert DSE500 Installer/User Manual
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Vertiv Liebert DSE500 Installer/User Manual

Vertiv Liebert DSE500 Installer/User Manual

Packaged solution thermal management system
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Liebert®
DSE500™ Packaged Solution
Thermal Management System
Installer/User Guide

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Summary of Contents for Vertiv Liebert DSE500

  • Page 1 Liebert® DSE500™ Packaged Solution Thermal Management System Installer/User Guide...
  • Page 2 The products covered by this instruction manual are manufactured and/or sold by Vertiv This document is the property of Vertiv and contains confidential and proprietary information owned by Vertiv. Any copying, use or disclosure of it without the written permission of Vertiv is strictly prohibited.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1 Important Safety Instructions 2 Nomenclature and Components 2.1 Liebert DSE500 Packaged Solution Model-number Nomenclature 2.2 Component Location 2.3 Air-flow Configurations 3 Pre-installation Preparation and Guidelines 3.1 Planning Dimensions 3.2 Connections and System Setup 3.2.1 Electrical Connections 3.2.2 Evaporator Drip-pan Connection 3.3 Operating Conditions...
  • Page 4 8.9 Replacing the Premium-efficiency Control Board 8.9.1 Preparing to Replace the Board 8.9.2 Installing the Replacement Board 8.10 Pumped-refrigerant Economizer (PRE) 9 Preventive Maintenance Checklist Appendices Appendix A: Technical Support and Contacts Appendix B: Submittal Drawings Vertiv | Liebert® DSE500™ Installer/User Guide |...

  • Page 5: Important Safety Instructions

    1 IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important safety instructions that should be followed during the installation and maintenance of the Liebert® DSE500. Read this manual thoroughly before attempting to install or operate this unit. Only qualified personnel should move, install or service this equipment. Adhere to all warnings, cautions, notices and installation, operating and safety instructions on the unit and in this manual.
  • Page 6 Follow relevant OSHA lifting recommendations and consider using a two-person lift for safe and comfortable removal and installation of cabinet panels. Only properly trained and qualified personnel wearing appropriate, OSHA-approved PPE should attempt to remove or install cabinet panels. Vertiv | Liebert® DSE500™ Installer/User Guide...
  • Page 7 CAUTION: Risk of improper moving, lifting and handling. Can cause equipment damage or injury. Only properly trained and qualified personnel should work on this equipment. Condenser fan modules weigh in excess of 250 lb (113.4 kg) and evaporator fan modules weigh in excess of 125 lb (57 kg).
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  • Page 9: Nomenclature And Components

    2 NOMENCLATURE AND COMPONENTS This section describes the model-number configuration for Liebert® DSE500 units and components. 2.1 Liebert DSE500 Packaged Solution Model-number Nomenclature Table 2.2 below describes each digit of the model number. Table 2.1 DSE500 Model Number Model Number...

  • Page 10: Component Location

    The unit component locations are described in the submittal documents included in the Submittal Drawings on page 53. The following table lists the relevant documents by number and title. Table 2.3 Component-location Drawings Document Number Title DPN004717 Component Location, Perimeter Unit Vertiv | Liebert® DSE500™ Installer/User Guide...

  • Page 11: Air-Flow Configurations

    2.3 Air-flow Configurations Figure 2.1 Perimeter-unit Air-flow Configuration Item Description Return air from data center Supply air to data center Table 2.4 Perimeter unit air-flow schematic and duct connection Document Number Title DPN004718 Airflow Schematic, Perimeter Unit 2 Nomenclature and Components...
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  • Page 13: Pre-Installation Preparation And Guidelines

    3 PRE-INSTALLATION PREPARATION AND GUIDELINES NOTE: Before installing unit, determine whether any building alterations are required to run wiring and ductwork. Follow all unit dimensional drawings and refer to the submittal engineering dimensional drawings of individual units for proper clearances. Refer to Table 2.2 on page 9, and submittal drawings to determine the type of system being installed and anticipate building alterations and ductwork needed.

  • Page 14: Connections And System Setup

    Figure 3.1 Drip-pan clean-out line location Item Description Water drain connection for evaporator drip pan. Accessed by remove the floor panel above it (next to the compressor compartment). Location of the drip-pan clean-out line in the perimeter unit. Vertiv | Liebert® DSE500™ Installer/User Guide...

  • Page 15: Operating Conditions

    3.3 Operating Conditions The Liebert® DSE500 must supply air to a conditioned space within the operating envelope that ASHRAE recommends for data centers. Operating the DSE500 outside of this envelope can decrease equipment reliability. Refer to ASHRAE’s publication, “Thermal Guidelines for Data Processing Environments.” 3.3.1 Cooling The recommended maximum return-air temperature is 105°F (40°C) and maximum dew point is 59°F (15°C).
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  • Page 17: Equipment Inspection And Handling

    • Carefully inspect all items for visible or concealed damage. • Report damage immediately to the carrier and file a damage claim with a copy sent to Vertiv or to your sales representative. Equipment Recommended for Handling the Unit: •...
  • Page 18 Figure 4.1 Lugs to attach rigging to a perimeter-unit configuration Item Description Lugs to attach rigging. Typical both sides. Vertiv | Liebert® DSE500™ Installer/User Guide...

  • Page 19: Electrical Field Connections

    5 ELECTRICAL FIELD CONNECTIONS Three-phase electrical service is required for all models. Electrical service must conform to national and local electrical codes. Refer to equipment nameplate regarding wire size and circuit protection requirements. Refer to the appropriate submittal drawing, listed in Table 5.1 on the next page, for electrical service entrances into unit A manual electrical disconnect switch should be installed in accordance with local codes and distribution system.
  • Page 20 The following table lists the relevant documents by number and title. Table 5.1 Electrical Field-connection Drawings Document Number Title DPN004710 Electrical Connections Enclosure and Electrical-service Door Access Locations DPN004336 Electrical Connections Automatic transfer-switch Enclosure Vertiv | Liebert® DSE500™ Installer/User Guide...
  • Page 21 Figure 5.1 Low-voltage BMS wiring to unit in main electrical enclosure Item Description Location of IntelliSlot Unity card in the DSE500 main electrical enclosure for low-voltage BMS wiring. Figure 5.2 Location for filter-clog switch, air-proof switch, iCOM master board and iCOM slave board 5 Electrical Field Connections...
  • Page 22 Figure 5.3 Low-voltage iCOM/vNSA switch wiring to unit in Main electrical enclosure Item Description Location of the connection for CAT5 cable from Liebert® VNSAICOM8 network switch. Figure 5.4 120-V UPS power-feed connection for low-voltage controls in Main electrical enclosure Vertiv | Liebert® DSE500™ Installer/User Guide...

  • Page 23: Checklist For Completed Installation

    6 CHECKLIST FOR COMPLETED INSTALLATION 6.1 Moving and Placing Equipment Unpack and check received material. 2. Proper clearance for service access has been maintained around the equipment. 3. Equipment is level and mounting fasteners are tight. 4. Proper evaporator drip pan clean-out system is in place for perimeter-unit applications. 6.2 Electrical Installation Checks Supply voltage and phase matches equipment nameplate.
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  • Page 25: Initial Start-Up Checks And Commissioning Procedure For Warranty Inspection

    7 INITIAL START-UP CHECKS AND COMMISSIONING PROCEDURE FOR WARRANTY INSPECTION WARNING! Arc flash and electric shock hazard. Open all local and remote electric power-supply disconnect switches, verify with a voltmeter that power is Off and wear appropriate, OSHA-approved personal protective equipment (PPE) per NFPA 70E before working within the electric control enclosure.
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  • Page 27: Maintenance

    • We recommend the use of trained and authorized service personnel, extended service contracts and factory-specified replacement parts. Contact your Vertiv sales representative. 8.1 Service Access for Unit Maintenance The DSE500 includes a service door, see Figure 8.1 on the next page, for access to perform maintenance on components inside the thermal management unit.

  • Page 28: Filters

    NOTICE Risk of improper filter installation. Can cause filter collapse and airflow reduction. To maximize the performance and reliability of the equipment, use only Vertiv filters. Contact your Vertiv representative to order replacement filters. Verify that filters are installed and positioned so the air-flow direction marked on the filter is the same direction as unit air flow.

  • Page 29: Replacing The Filters

    Figure 8.2 Supply-fan air filters in the rack Item Description Slot in filter rack 8.3 Evaporator Fan Maintenance Consult the factory for fan/blower/inverter maintenance. Do not attempt to service or remove the fans without first contacting Vertiv support at 1-800-543-2778. 8 Maintenance...

  • Page 30: Fan Assembly Troubleshooting

    The motor is initially lubricated at the factory. • Contact the motor manufacturer for the lubrication interval for motor bearings. • Contact the motor manufacturer to determine the type of grease to use for lubrication. Vertiv | Liebert® DSE500™ Installer/User Guide...

  • Page 31: Removing Fan Assembly

    8.3.4 Removing Fan Assembly Do not attempt to remove the fan assemblies without first contacting Vertiv Technical Support at 1-800- 543-2778. 8.4 Electronic Expansion Valve (EEV) Maintenance The EEV controls superheat through the Liebert® iCOM™ controls by actively measuring suction pressure via a transducer attached to the suction-line rotalock and suction temperature via a thermister strapped to the suction line.

  • Page 32: Replacement Compressors

    System side of valve 8.5.3 Replacement Compressors Replacement compressors are available through your Vertiv sales office. If the unit is under warranty, the replacement compressor must be obtained from and the original compressor returned to your local Vertiv sales office. Compressors are shipped in reusable packaging, and the original compressor should be returned in the same packaging.

  • Page 33: General Condenser Maintenance

    WARNING! Risk of over-pressurization of the refrigeration system. Can cause explosive discharge of high-pressure refrigerant, loss of refrigerant, environmental pollution, equipment damage, injury, or death. This unit contains fluids and gases under high pressure. Use extreme caution when charging the refrigerant system. Do not pressurize the system higher than the design pressure marked on the unit's nameplate.

  • Page 34: What To Use To Clean The Condenser Coil

    Make sure that no water gets into the inside of the motor. • Do not hold the jet spray directly on the motor openings and seals. • During cleaning work using a jet spray, no guarantee is assumed regarding corrosion formation/paint adhesion for unpainted/painted fans. Vertiv | Liebert® DSE500™ Installer/User Guide...

  • Page 35: Replacing The Condenser Fan

    8.8 Replacing the Condenser Fan Source: INST-9168, Rev. 3 WARNING! Arc flash and electric shock hazard. Open all local and remote electric power-supply disconnect switches, verify with a voltmeter that power is Off and wear appropriate, OSHA-approved personal protective equipment (PPE) per NFPA 70E before working within the electric control enclosure.
  • Page 36 Edge of cable's outer jacket should only extend far enough into the enclosure to make the electrical connections. Not used on last fan. Communication-cable connection to the next fan. Not used on last fan. Communication-cable connection from the previous fan or electrical box. Vertiv | Liebert® DSE500™ Installer/User Guide...
  • Page 37 Figure 8.5 Internal wiring of EBM fan in Condenser Item Description Wiring terminal detail. Not used on last fan. Must be cable-tied together away from high-voltage terminals Edge of out cable jacket should only extend far enough into enclosure to be able to make the electrical connections.
  • Page 38 20. Press the ESC button. 21. Use the UP or DOWN arrow button until C-- displays. 22. Press the ENT button. 23. Use the UP or DOWN arrow button until C03 displays 24. Press the ENT button. Vertiv | Liebert® DSE500™ Installer/User Guide...
  • Page 39 25. Use the UP or DOWN arrow button to select one of three options: Configuration Code Fan # Value Fan 1 0 = No Fan Fan 2 1 = EBM Papst Fan 3 2 = Ziehl-Abegg Fan 4 26. Press the ENT button. 27.

  • Page 40: Verifing The Fan Address

    The display flashes "888" if the command is accepted. 19. Press the ESC button to display C24. All fans should return to a normal speed based on the pressure input and the state of indoor unit’s compressor. Vertiv | Liebert® DSE500™ Installer/User Guide...
  • Page 41 Notes on the Premium-efficiency Control Board • J6 is the CANbus termination jumpers. If the condenser is the last device in the CANbus communication line, the jumper must be placed between Pins 1 and 2 of J6. If the condenser is not the last device in the CANbus communication line, then the jumper on J6 must be placed on Pins 2 and 3.
  • Page 42 Vertiv | Liebert® DSE500™ Installer/User Guide |...
  • Page 43 Vertiv | Liebert® DSE500™ Installer/User Guide |...

  • Page 44: Replacing The Premium-Efficiency Control Board

    Pins 1 and 2. NOTE: In Figure 8.6 on the facing page, a jumper must be present at J2. If a jumper is not present, the control board will not boot properly during power startup. Vertiv | Liebert® DSE500™ Installer/User Guide...

  • Page 45: Installing The Replacement Board

    Figure 8.6 Jumper locations on Control Board Item Description J4, RS485 service termination jumper J6, Canbus termination jumper 8.9.2 Installing the Replacement Board WARNING! Arc flash and electric shock hazard. Open all local and remote electric power-supply disconnect switches, verify with a voltmeter that power is Off and wear appropriate, OSHA-approved personal protective equipment (PPE) per NFPA 70E before working within the electric control enclosure.

  • Page 46: Pumped-Refrigerant Economizer (Pre)

    23. Verify proper fan operation by adjusting the cooling unit that this condenser serves so that it calls for cooling. 8.10 Pumped-refrigerant Economizer (PRE) Your Liebert® DSE500 includes two Liebert® PRE systems. Refer to the Installer/User Guide for the economizer, SL-18920, for the maintenance and operation details. Vertiv | Liebert® DSE500™ Installer/User Guide...

  • Page 47: Preventive Maintenance Checklist

    9 PREVENTIVE MAINTENANCE CHECKLIST Inspection Date Job Name Unit Model # Unit Serial Number # Room Temperature/Humidity °                     % Ambient Temperature ° Not all units will have all components. To determine your unit’s configuration, compare the Unit Model # above above and the information in the Components and Nomenclature section. Good maintenance practices are essential to minimizing operation cost and maximizing product life.
  • Page 48 Outdoor Ambient Temperature   __________ b. Subcooling   __________ c. Indoor-unit Return-air Temperature  __________ d. Sight-glass level (if Lee-Temp or pumped refrigerant)   _________ 12. Motor amp draw   #1   #2   #3 L1   #4 L1 #5 L1 #6 L1 #7 L1 #8 L1 Vertiv | Liebert® DSE500™ Installer/User Guide...
  • Page 49 4. Verify pump-speed control operation 5. Check pump mounting MAINTENANCE NOTES Name Signature Company Make photocopies for your records. Compare readings/information to previous maintenance worksheet. To locate your local Vertiv representative for Vertiv-engineered parts, check https://www.vertivco.com/en-us/support/ or Call 1-800-543-2778. 9 Preventive Maintenance Checklist...
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  • Page 51: Appendices

    APPENDICES Appendix A: Technical Support and Contacts A.1 Technical Support/Service in the United States Vertiv™ Corporation 24x7 dispatch of technicians for all products. 1-800-543-2378 Liebert® Thermal Management Products 1-800-543-2778 Liebert® Channel Products 1-800-222-5877 Liebert® AC and DC Power Products 1-800-543-2378 A.2 Locations...
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  • Page 53: Appendix B: Submittal Drawings

    Appendix B: Submittal Drawings The submittal drawings are in the order of document part number (DPN). Table B.1 below, groups the drawings by topic/application. Table B.1 Submittal-drawings Contents Document Number Title DPN004718 Airflow Schematic, Perimeter Unit DPN004717 Component Location, Perimeter Unit DPN004706 Equipment Floor-plan Layout for Perimeter and Roof-top Units DPN004716...
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  • Page 55 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS AUTOMATIC TRANSFER SWITCH ENCLOSURE STANDARD ELECTRICAL CONNECTIONS 1) High voltage entrance A – 2.5” (64mm) Trade size hole (3” hole diameter) to be located on top left side of box. Use strain relief provided by factory. It is recommended that high strand cable be used and no holes be added to the top of the box.
  • Page 56 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS AUTOMATIC TRANSFER SWITCH ENCLOSURE Condenser Electrical Cabinet Automatic Transfer Switch (optional) Rear of Unit Main Electrical Cabinet Automatic Transfer Switch (optional) Main Electrical Cabinet Refer to DPN004332 61 1/4" 1556mm Rear View 9 7/8" 252mm DPN004336 REV : 1 Page :2 /5...
  • Page 57 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS AUTOMATIC TRANSFER SWITCH ENCLOSURE 9 1/2" 7 5/8" 241mm 24" 194mm 610mm 60" 1524mm 54 3/8" 54 3/8" 1383mm 1381mm DPN004336 REV : 1 Page :3 /5 REV DATE : 6/18...
  • Page 58 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS AUTOMATIC TRANSFER SWITCH ENCLOSURE SUBPANEL LEFT SIDE VIEW DPN004336 REV : 1 Page :4 /5 REV DATE : 6/18...
  • Page 59 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS AUTOMATIC TRANSFER SWITCH ENCLOSURE 1A, 24VAC Max. A1 Normal Supply Power Failure When Open A1E Emergency PS Failure When Open A3 Normal PS Active When Closed Customer Located on ATS Switch A4 Emergency PS Active When Closed (page 26 of manual) DPN004336 REV : 1...
  • Page 60 LIEBERT DSE EQUIPMENT FLOOR PLAN DP500 PERIMETER AND ROOFTOP UNIT 20 1/2" 520mm 17 3/4" 449mm 5 1/8" 130mm Main EP Rear Of Unit Low Voltage High Voltage Recommended Flexible Conduit 6" 152mm 5" 127mm 17 5/8" 449mm 5" 32" 127mm 813mm Rear View...
  • Page 61 LIEBERT DSE EQUIPMENT FLOOR PLAN DP500 PERIMETER AND ROOFTOP UNIT PRE 1 Compressor ATS (Optional) Cabinet 1 Recommended Area For Utility Feed Compressor PRE 2 Main EP Box Cabinet 2 Grating Level (Top View) Notes: 1. Grating is Removable. 2. C4 x 5.4 Frame Member. 3.
  • Page 62 LIEBERT DSE EQUIPMENT FLOOR PLAN DP500 PERIMETER AND ROOFTOP UNIT Compressor Cabinet 1 39 1/2" 24" Door Clearance 1003mm 609mm (Optional) Service Platform PRE 1 42" 1067mm ATS EP & Pump Access 42" 1067mm PRE EP Access 39 1/2" 1003mm 42"...
  • Page 63 LIEBERT DSE EQUIPMENT FLOOR PLAN DP500 PERIMETER AND ROOFTOP UNIT Light Switch (Cabinet) VFD 1 Utility Box VFD 2 Fan 1 Light Fixture Below Condensor Section Fan 2 Light Fixture Inside Evaporator Cabinet Service Ladder Fan 3 Fan 4 VFD 4 VFD 3 Upper Level Light Fixture...
  • Page 64 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS DP500 PERIMETER & ROOF TOP UNIT STANDARD ELECTRICAL CONNECTIONS 1) High voltage entrance – 2.5” (64mm) Trade size hole (3” hole diameter) to be located on upper left side of box. Use strain relief provided by factory. It is recommended that high strand multi-Conductor cable with crimped ferrules be used and no holes be added to the top of the box.
  • Page 65 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS DP500 PERIMETER & ROOF TOP UNIT OPTIONAL ELECTRICAL CONNECTIONS 13) UPS Option - 120V entrance (Separate feed from utility panel) – Located in bottom left side of main panel. 14) Supply Air Aggregator Sensor – Is a control option that allows the use of the 1 NTC sensor that is already provided as a standard with the unit and the ability to ADD up to an additional 5 - 2T sensors to be used together to measure the supply temperature for a total of up to 6 supply sensors.
  • Page 66 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS DP500 PERIMETER & ROOF TOP UNIT Condenser Electrical Cabinet Automatic Transfer Switch (optional) Rear of Unit Main Electrical Cabinet Automatic Transfer Switch (optional) Refer to DPN004336 70" 1778mm Rear View DPN004710 REV : 0 Page :3 /6 REV DATE : 4/18...
  • Page 67 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS DP500 PERIMETER & ROOF TOP UNIT MAIN PANEL 2" 12 1/8" 51mm 308mm 36" 1" 914mm 1 SEE NOTE 1 25mm 5" 127mm 60" 1524mm 54" 1372mm 9" UPS FEED 1/2" 4" 229mm 13mm 102mm ENTRANCE AREA 1 1/2"...
  • Page 68 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS DP500 PERIMETER & ROOF TOP UNIT MAIN PANEL ICOM™ DISPLAY OS400J03 VFD41 SEE NOTE 1. SPARE SPARE SPARE SPARE SPARE LPTD SPARE SPARE RSDR CSR1 CSR3 SPARE CSR2 CSR4 ESR1 ESR3 SPARE ESR2 ESR4 SPARE SPARE SPARE SPARE...
  • Page 69 LIEBERT DSE ELECTRICAL FIELD CONNECTIONS DP500 PERIMETER & ROOF TOP UNIT UTILITY BOX REAR OF UNIT SUBPANEL FRONT VIEW 5" 1" 127mm 25mm 2" 51mm 5" 127mm SEE NOTE 1 NOTES: 1. HOLE CAN BE PLACED ANYWHERE IN THE RECTANGULAR AREA. THESE AREAS ARE NOT KNOCKOUTS, BUT ARE ACCEPTABLE AREAS OF PENETRATION.
  • Page 70 LIEBERT DSE DRIP PAN CLEANOUT ACCESS & LOCATION DP500 PERIMETER UNIT Drip Pan Location Factory provided Clean Out line can be accessed by removing floor panel next to Compressor compartment. 1" pipe wit CPVC 1" FPT fitting Clean Out Port for Service Pan DETAIL A Drip Pan Location DPN004713...
  • Page 71 Typ. Removable Lifting Lugs (Typ. 8 Plcs.) Shaded area indicates recommended minimum clearance between units for unit removal or evaporator coil replacement. See Vertiv representative for adjustment to condenser air flow. 22 1/8" Typ. 562mm Shaded area indicates recommended minimum clearance to be provided to remove Evaporator Coil.
  • Page 72 LIEBERT DSE CABINET DIMENSIONAL DATA DP500 ROOFTOP UNIT 264" 6706mm Rear Unit 155 3/4" 1" 3956mm 25mm Typ. All Sides 24" 610mm Typ. (6) Plcs. Both Ends 5 7/8" 5/8" 24" 12 1/8" 149mm 610mm 308mm 16mm Typ. Typ. (10) Plcs. Typ.
  • Page 73 LIEBERT DSE COMPONENT LOCATION DIAGRAM DP500 PERIMETER UNIT Blowers Condenser Fans Motors Condenser Coils Condenser Electrical Evaporator Cabinet Coil Automatic Transfer Switch (optional) Air Filters Drip Pan Liebert EconoPhase Compressor Compartment Rear of Unit Liebert EconoPhase Receiver Main Electrical Cabinet Removable Lifting Lugs (Typ.
  • Page 74 LIEBERT DSE AIRFLOW SCHEMATIC DP500 PERIMETER UNIT Return Air from Data Center Optional Factory Installed Gravity Damper (not shown for clarity) Supply Air to Data Center Left Side of Unit 148 7/8" Return Air 3781mm from Data Center 31 3/4" 805mm 2"...
  • Page 75 LIEBERT DSE AIRFLOW SCHEMATIC DP500 PERIMETER UNIT 151 7/8" 3858mm 148 7/8" 3781mm Duct Opening 1 1/2" 37mm 2" 51mm 31 3/4" 805mm Duct Opening 2 1/8" 54mm Front of Unit Notes: 1. Duct Flange supplied by others. 2. Perimeter available to attach Return Duct Flange. 3.
  • Page 76 Vertiv | Liebert® DSE500™ Installer/User Guide...
  • Page 77 VertivCo.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA © 2018 Vertiv Co. All rights reserved. Vertiv and the Vertiv logo are trademarks or registered trademarks of Vertiv Co. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness herein, Vertiv Co.

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