Vertiv Liebert® EXM 208 Volt Manuel utilisateur

Catégorie
Alimentations sans interruption (UPS)
Taper
Manuel utilisateur
Liebert® EXM
User Manual
20 kVA to 200 kVA, 208/120 V, 50/60 Hz
Proprietary and Confidential ©2023 Vertiv Group Corp.
Technical Support Site
If you encounter any installation or operational issues with your product, check the pertinent section of this
manual to see if the issue can be resolved by following outlined procedures.
Visit https://www.vertiv.com/en-us/support/ for additional assistance.
The information contained in this document is subject to change without notice
and may not be suitable for all applications. While every precaution has been
taken to ensure the accuracy and completeness of this document, Vertiv
assumes no responsibility and disclaims all liability for damages result from use
of this information or for any errors or omissions.
Refer to local regulations and building codes relating to the application,
installation, and operation of this product. The consulting engineer, installer,
and/or end user is responsible for compliance with all applicable laws and
regulations relation to the application, installation, and operation of this product.
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.
Names of companies and products are trademarks or registered trademarks of
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should be directed to the original manufacturer.
Vertiv™ Liebert® EXMUser Manual
TABLE OF CONTENTS
1 Important Safety Instructions 1
2 Introduction 7
3 Installation 9
3.1 Initial Inspections 9
3.1.1 Storing the UPS and Batteries for Delayed Installation 9
3.2 Preliminary Checks 10
3.2.1 Identification 10
3.3 UPS Location 10
3.3.1 Positioning the UPS 10
3.3.2 Environmental Considerations 10
3.4 Considerations in Moving the EXM 10
3.5 Mechanical Considerations 11
3.5.1 Dimensions 12
3.5.2 Clearances 13
3.5.3 Floor Installation 13
3.5.4 Cable Entry 13
3.6 Auxiliary Cabinets 15
3.7 Vertiv™ Liebert® Power Module Assembly 17
3.8 Control Module 18
3.9 Static Bypass Assembly 18
4 Electrical Connections UPS 19
4.1 Power Cabling 19
4.1.1 Lug Size and Cable Rating 19
4.2 External Protective Devices 20
4.2.1 Rectifier and Bypass Input Supply of the UPS 20
4.2.2 UPS Output 21
4.2.3 UPS Input Configuration 21
4.2.4 Cabling Guidelines 23
4.2.5 Cable Connections 23
4.2.6 Accessory Fuses and Back Feed Breaker Wiring 24
4.2.7 Safety Ground 27
4.2.8 Protective Devices 28
4.2.9 Cabling Procedure 28
4.3 Control Cables Details 29
4.3.1 Static Bypass Assembly Features 29
4.4 Dry Contacts 30
4.4.1 Input Dry Contacts 30
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4.4.2 Output Dry Contacts 32
4.4.3 Vertiv™ Liebert® EXM MBC Interface 33
4.4.4 Battery Cabinet Interface Connectors 33
4.4.5 EPO Input-Optional 35
4.5 Parallel Cable Connections 37
5 Installation Drawings 39
6 Option Installation 43
6.1 Vertiv™ Liebert® IntelliSlot™ Communication 43
6.2 Liebert® IntelliSlot™ Web Card - SNMP/HTTP Network Interface Card 43
6.2.1 Liebert® IntelliSlot™ Unity Cards - IS-UNITY-LIFE, IS-UNITY-S, IS-UNITY-DP 43
6.3 Liebert® IntelliSlot™ Web Card(Optional) 44
6.4 Liebert® IntelliSlot™Relay Card 44
6.4.1 Liebert® IntelliSlot™ Relay Card Pin Configuration 45
6.4.2 Vertiv™ Liebert® IntelliSlot™ Relay Card Jumper Setup 45
7 Operation 47
7.1 Touchscreen Control Panel 47
7.2 Access Level Log In 48
7.3 Default PIN Numbers 48
7.4 Vertiv™ Liebert® EXM Operating Modes 48
7.5 UPS Startup 51
7.5.1 Startup Procedure 51
7.5.2 Startup in Eco Mode 52
7.5.3 Switching Between UPS Operation Modes 52
7.6 Switching the UPS from Normal Operation to Maintenance Bypass 52
7.7 Switching the UPS from Maintenance Bypass to Normal Operation 55
7.8 De-Energize Liebert® EXM with Maintenance Bypass Cabinet 56
7.9 De-Energize Vertiv™ Liebert® EXM Without Maintenance Bypass Cabinet 56
7.10 Parallel Operations—Determine Control Panel Firmware 58
7.11 Parallel Operations - Software Version 1.1 58
7.11.1 De-Energize a Vertiv™ Liebert® EXM Parallel System Software Version 1.1 58
7.11.2 Re-Energize a EXM Parallel System Software Version 1.1 58
7.12 Emergency Shutdown with EPO 59
7.13 Auto Restart 59
7.14 Reset After Shutdown for Emergency Stop (EPO Action) or Other Conditions 59
7.15 Battery Protection 60
7.15.1 Battery Undervoltage Warning 60
7.15.2 Battery End of Discharge (EOD) Protection 60
7.16 Operation 60
7.17 Static Bypass Switch 61
8 Specification and Technical Data 63
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8.1 Conformity and Standards 63
8.1.1 ENERGY STAR Certification 63
8.2 UPS Environmental Requirements 63
8.3 UPS Electrical Characteristics 64
9 Maintenance 71
9.1 Safety Precautions 71
9.2 Limited Life Components 72
9.3 Routine Maintenance 73
9.3.1 Record Log 73
9.3.2 Air Filters 73
9.3.3 Torque Requirements 75
9.4 Detecting Trouble 75
9.5 Reporting a Problem 75
9.6 Corrective Actions 76
9.7 Recommended Test Equipment 76
Appendices 77
Appendix A: Hazardous Substances or Elements Announcement 77
Appendix B: UPS Status Messages 79
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1 Important Safety Instructions
Save These Instructions
This manual contains important instructions that should be followed during installation of the Vertiv™ Liebert® EXM UPS
Read this manual thoroughly, paying special attention to the sections that apply to your installation, before working with the
UPS. Retain this manual for use by installing personnel.
A properly trained and qualified electrical contractor should oversee the installation of the equipment.
The EXM cannot be put into operation until it is commissioned by the manufacturer or authorized engineer. Otherwise, human
safety may be endangered and damage to the UPS will not be covered by the warranty.
The EXM is designed for commercial and industrial uses and cannot be used as life support equipment.
WARNING! Risk of moving heavy equipment and electric shock. It can cause damage to the equipment, injury
and death. Exercise extreme care when handling the UPS cabinets to avoid damage to the equipment or
injury to personnel. The weight of the EXM UPS ranges from 684 lb (320 kg) to 1516 lb (688 kg). Locate the
center of gravity symbols before handling the UPS . Test lift and balance the cabinet before transporting
it. Never tilt the equipment more than 15 degrees from vertical. In case of fire involving electrical equipment,
use only carbon dioxide fire extinguishers or those approved for use in fighting electrical fires. Extreme
caution is required when performing maintenance. Be constantly aware that the UPS system contains high
DC as well as AC voltages. Check for voltage with both AC and DC voltmeters prior to making contact.
Risque lors du déplacement de l’équipement lourd et de décharge électrique pouvant entraîner des dommages matériels, des
blessures et même la mort. Faites preuve d’une extrême prudence lors de la manutention des armoires ASC afin d’éviter de les
endommager ou de blesser le personnel. L’armoire EXM pèse de 684 lb (320 kg) à 1516 lb (688 kg). Repérez les symboles de
centre de gravité avant déplacer l’armoire ASC. Faites des essais de levage et d’équilibre avant de transporter l’armoire.
N’inclinez jamais l’équipement à plus de 15 degrés à la verticale. En cas d’incendie associé à du matériel électrique, n’utilisez
que des extincteurs à dioxyde de carbone ou homologués pour la lutte contre les incendies d’origine électrique. Les
opérations d’entretien requièrent une extrême prudence. Soyez toujours conscient du fait que le système ASC contient des
tensions c.c. et c.a. élevées. Vérifiez les tensions avec des voltmètres c.a. et c.c. avant d’établir tout contact.
WARNING! Risk of electric shock. It can cause damage to the equipment, injury and death. As with the other
types of high power equipment, dangerous voltages are present within the UPS and the battery enclosure
even after the input power has been disconnected. The risk of contact with these voltages is minimized as
the live component parts are housed behind a metal panel. Further internal safety screens make the
equipment protected to IP20 standards. Never remove panels or covers or open doors that will expose
internal components to contact. Read and follow all warnings, cautions and safety and operating instructions
to avoid serious injury or death from electric shock. No risk exists to any personnel when operating the
equipment in the normal manner, following the recommended operating procedures. All equipment
maintenance and servicing procedures involve internal access and should be carried out only by trained
personnel.
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Risque de décharge électrique pouvant entraîner des dommages matériels, des blessures et même la mort. À l’instar des
autres types d’équipement haute puissance, des tensions dangereuses sont présentes à l’intérieur de l’armoire ASC et du
châssis de batteries même après le débranchement de l’alimentation d’entrée. Le risque de contact avec ces tensions est
diminué, car les parties de composants sous tension sont abritées derrière un panneau métallique. D’autres écrans de sécurité
internes protègent l’équipement en conformité avec les normes IP20. Ne retirez jamais les panneaux ou les couvercles et
n’ouvrez pas les portes donnant accès aux composants internes avec lesquels vous pouvez entrer en contact. Veuillez lire et
suivre l’ensemble des avertissements, des mises en garde et des instructions de sécurité et de fonctionnement afin d’éviter
des blessures graves, voire la mort, pouvant être causées par une décharge électrique. Il n’y a aucun risque pour le personnel
lorsque l’équipement est utilisé normalement, en suivant les procédures de fonctionnement recommandées. Toutes les
procédures de réparation et d’entretien de l’équipement exigent un accès à l’intérieur de l’armoire et devraient être menées
uniquement par du personnel compétent.
Ground Leakage Currents
WARNING! Risk of electric shock from high leakage current. It can cause damage to the property, injury and
death. EARTH CONNECTION IS ESSENTIAL BEFORE CONNECTING THE INPUT SUPPLY. Earth leakage
current exceeds 3.5 mA and is less than 1000 mA. The transient and steady-state earth leakage currents,
which may occur when starting the equipment, should be taken into account when selecting instantaneous
Residual Current Device (RCD) devices. The Residual Current Circuit Breakers must be selected sensitive to
the DC unidirectional pulses (Class A) and insensitive to the transient current pulses. Note also that the earth
leakage currents of the load will be carried by this RCCB or RCD. This equipment must be earthed in
accordance with the local electrical code of practice.
Risque de décharge électrique due à un courant de fuite élevé pouvant causer des blessures, des dommages matériels et
même la mort. IL EST PRIMORDIAL D’ASSURER UNE CONNEXION DE TERRE AVANT DE BRANCHER L’ALIMENTATION
D’ENTRÉE. La fuite à la terre est supérieure à 3,5 mA et inférieure à 1 000 mA. Vous devez tenir compte des fuites de courant
transitoires et permanentes à la terre, susceptibles de se produire au démarrage de l’équipement, lors de la sélection des
dispositifs DDFT instantanés. Vous devez sélectionner des disjoncteurs différentiels de fuite à la terre (DDFT) sensibles aux
impulsions unidirectionnelles c.c. (classe A) et insensibles aux impulsions de courant transitoires. Notez également que les
courants de fuite à la terre de la charge seront acheminés par ce dispositif DDFT. Cet équipement doit être mis à la terre
conformément au code national de l’électricité.
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WARNING! Risk of electric shock. It can cause damage to the property, injury and death. Under typical
operation and with all the UPS doors closed, only normal safety precautions are necessary. The area around
the UPS system should be kept free of puddles of water, excess moisture and debris. Special safety
precautions are required for the procedures involving handling, installation and maintenance of the UPS
system. Observe all safety the precautions in this manual before handling or installing the UPS system as well
as during all the maintenance procedures. This equipment contains several circuits that are energized with
high voltage. Only test equipment designed for troubleshooting should be used. This is particularly true for
oscilloscopes. Always check with the AC and DC voltmeters to ensure safety before making contact or using
tools. Even when the power is turned Off, dangerously high electric charges may exist within the UPS. All the
power and control wiring should be installed by a qualified electrician. All the power and control wiring must
comply with the NEC and applicable local codes. ONLY qualified service personnel should perform
maintenance on the UPS system. When performing maintenance with any part of the equipment under power,
the service personnel and test equipment should be standing on rubber mats. The service personnel should
wear insulating shoes for isolation from direct contact with the floor (earth ground). Never work alone, even if
all the power is disconnected from the equipment. A second person should be standing by to assist and
summon help in case an accident should occur.
Risque de décharge électrique pouvant causer des blessures, des dommages matériels et même la mort. Les précautions de
sécurité habituelles suffisent lorsque le système ASC est en mode de fonctionnement normal et que toutes les portes sont
fermées. La zone entourant le système ASC doit être exempte de flaques d’eau, d’humidité excessive et de débris. Des
précautions de sécurité spéciales sont requises pour les procédures associées à la manutention, à l’installation et à l’entretien
du système ASC. Observez toutes les précautions de sécurité décrites dans le présent manuel avant de manipuler ou
d’installer le système ASC, ainsi que pendant toutes les procédures d’entretien. Cet équipement comporte plusieurs circuits à
haute tension. Seuls des équipements d’essai conçus pour le dépannage doivent être utilisés. Cette mise en garde couvre
notamment les oscilloscopes. Utilisez toujours des voltmètres c.a. et c.c. pour vérifier les tensions avant d’établir un contact ou
d’utiliser des outils. Des tensions dangereusement élevées peuvent demeurer dans le système ASC même une fois
l’alimentation coupée. Tous les câbles d’alimentation et de contrôle doivent être installés par un électricien qualifié. Tous les
câbles d’alimentation et de contrôle doivent être conformes au Code national de l’électricité des États-Unis (NEC) et celui du
Canada, ainsi qu’aux codes locaux en vigueur. L’entretien du système ASC ne doit être confié qu’à des professionnels
qualifiés. Les responsables de l’entretien et l’équipement d’essai doivent reposer sur des tapis de caoutchouc lors de toute
intervention sur une pièce d’équipement sous tension. Les responsables de l’entretien doivent porter des chaussures
isolantes pour prévenir tout contact direct avec le plancher. Ne travaillez jamais seul, même si toute l’alimentation d’entrée est
coupée de l’équipement. Une seconde personne devrait toujours être présente pour porter assistance ou chercher de l’aide
en cas d’accident.
WARNING! Failure to follow adequate grounding procedures can result in electric shock hazard to the
personnel, or risk of fire, should a ground fault occur. All operations described in this section must be
performed by the properly trained and qualified electricians or the technical personnel. If any difficulties are
encountered, contact Vertiv. See the back page of this manual for contact information.
Le non-respect des procédures de mise à la terre peut entraîner des risques d’électrocution du personnel, ou des risques
d’incendie en cas de défectuosité de la mise à la terre. Toutes les opérations décrites dans cette section ne doivent être
effectuées que par des électriciens ou des techniciens professionnels dûment formés et qualifiés . En cas de difficultés,
communiquez avec Vertiv. Pour obtenir les renseignements de contact, consultez la dernière page de ce manuel.
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NOTICE
Risk of improper ground connection. It can cause damage to the equipment. Ground connection is essential
before connecting the input supply. This equipment must be grounded in accordance with the local electrical
codes. Maximum load must not exceed that shown on the UPS rating label.
NOTICE
Risk of improper electromagnetic shielding. It can cause radio communication interference. This unit complies
with the limits for a Class A digital device, pursuant to Part 15 Subpart J of the FCC rules. These limits provide
reasonable protection against harmful interference in a commercial environment. This unit generates, uses and
radiates radio frequency energy and, if not installed and used in accordance with this instruction manual, may
cause harmful interference to radio communications. This unit is not designed for use in a residential area.
Operation of this unit in a residential area may cause harmful interference that the user is solely responsible for
correcting.
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Glossary of Symbols
Risk of electrical shock
Indicates caution followed by important instructions
AC input
AC output
Requests the user to consult the manual
Indicates the unit contains a valve regulated lead acid battery
Recycle
DC voltage
AC voltage
Equipment grounding conductor
Bonded to ground
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2 Introduction
The Vertiv™ Liebert® EXM UPS can be configured as either a fixed capacity or as a scalable, transformer free, online
uninterruptible power system with 208/120 V input and 208/120 V output capability. The EXM can operate with either a 50 Hz
or 60 Hz input and provide a matching output frequency conversion.
When configured for scalability, the capacity of the UPS can be increased in 20 kVA increments. Based on the configuration, a
power module can be set to a redundant operation mode. Contact Vertiv Services about adding the capacity.
Optional Maintenance Bypass and Parallel Cabinets are also available.
The EXM provides continuous, high quality AC power to the business-critical equipment, such as telecommunications and
data processing equipment. The EXM supplies power free of the disturbances and variations in voltage and frequency
common to the utility power, which is subject to brownouts, blackouts, surges and sags.
The EXM utilizes the latest in high frequency, double conversion Pulse Width Modulation (PWM) technology and fully digital
controls to enhance its reliability and increase the ease of use.
The 20-200 kVA/kW EXM requires external batteries to support the load when the utility power is not present. For ancillary
cabinets, refer to Auxiliary Cabinets on page15 .
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3 Installation
This section describes the environmental requirements of Vertiv™ Liebert® EXM UPS and mechanical considerations that
must be taken into account when planning the positioning and the cabling of the UPS equipment.
Because each site is unique, this section presents a guide to the general procedures and the practices that should be
observed by the installing engineer, rather than step by step installation instructions.
NOTICE
Risk of improper installation. It can cause damage to the equipment. Do not apply electrical power to the UPS
equipment before the commissioning engineer arrives at the installation site. The UPS must be installed by a
properly trained and qualified engineer in accordance with the information contained in this chapter. All the
equipment not referred to in this manual is shipped with details of its own mechanical and electrical installation
information.
NOTE: Three-phase, four-wire input power is required.
NOTE: Input power must be supplied to the EXM from a properly grounded wye source. The EXM is not for use with
impedance grounded systems, corner grounded systems or high leg Delta systems. For these applications, an isolation
transformer must be installed between the input power and EXM.
3.1 Initial Inspections
1. While the EXM and ancillary cabinets are still on the truck, inspect the equipment and shipping container for any
signs of damage or mishandling. Do not attempt to install the system if damage is apparent. If any damage is
noted, file a damage claim with the shipping agency immediately and contact Vertiv Services at 800 543-2378 to
inform them of the damage claim and the condition of the equipment.
2. Compare the contents of the shipment with the bill of lading. Report any missing items to the carrier and your
local Vertiv representative immediately.
3. Check the product label on the back of front door and confirm the contents match the UPS model, capacity and
main parameters that were ordered.
3.1.1 Storing the UPS and Batteries for Delayed Installation
If the EXM system will not be installed immediately, it must be stored indoors in a clean, dry and cool location (see Table 8.1
on page63 ). If the UPS includes batteries, either internally or in a battery cabinet, the batteries’ requirements will dictate the
storage conditions. Batteries should be unpacked, installed and charged as soon as possible after delivery.
NOTICE
Risk of failure to properly charge batteries. It can cause permanent damage to the batteries and void the
warranty. Batteries will self discharge during storage. Batteries must be recharged as recommended by the
battery manufacturer. A notice of Charge Before Date is affixed to each unit that has batteries inside. The Charge
Before Date is calculated based on the batteries being stored at 77 °F (25 °C). Storage at a higher temperature
will increase the rate of self discharge, requiring earlier recharge. Consult the battery manufacturer on how to
determine when the batteries need to be recharged.
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3.2 Preliminary Checks
3.2.1 Identification
The equipment supplied has an identification tag on the back of the main door listing the type and size of the UPS.
3.3 UPS Location
3.3.1 Positioning the UPS
Choose a location for the UPS that offers:
Easy connection to inputs, outputs and auxiliary equipment.
Enough space to service the UPS.
Air circulation sufficient to expel the heat produced by the UPS.
Protection against moisture and excessive humidity.
Protection against dust and other particulate matter.
Compliance with the fire prevention regulations and practices.
Operating environment temperature of 74 °F-80 °F (23 °C-27 °C) for maximum battery life.
3.3.2 Environmental Considerations
Before installing the Vertiv™ Liebert® EXM UPS, verify that the UPS room satisfies the environmental conditions stipulated in
Table 8.11 on page68 , paying particular attention to the ambient temperature and the air exchange system.
The UPS unit should be installed in a cool, dry, clean air environment with adequate ventilation to keep the ambient
temperature within the specified operating range of 32 °F to 104 °F (0 °C to 40 °C).
For optimal UPS system performance and service life, maintain the operating temperature within the range of 74 °F-80 °F, (23
°C-27 °C).
The EXM is cooled by the internal fans. Cooling air enters the unit through the front of the unit and is exhausted from the top.
To permit proper air flow and prevent overheating, DO NOT block or cover the ventilation openings or blow air down onto the
unit. The UPS requires 24 in. (610 mm) ventilation clearance above the unit.
See for details on heat dissipation.
3.4 Considerations in Moving the EXM
Ensure that the UPS weight is within the designated surface weight loading (lb/ft2or kg/cm2) of any handling equipment. See
Table 8.2 on page64 for the weights of various units.
The EXM may be rolled on its casters for short distances only. For the longer distances, move the UPS with a forklift or similar
equipment to ease the relocation and to reduce the vibration.
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WARNING! Risk of moving heavy unit. It can cause damage to the property, injury and death. Ensure that any
equipment that will be used to move the EXM UPS has sufficient lifting capacity. The weight of the EXM UPS
ranges from 684 lb (320 kg) to 1516 lb (688 kg). See Table 3.1 on page13 for the weights of various units. The
UPS presents a tipping hazard. Do not tilt the EXM more than 15 degrees from vertical. The UPS is fitted with
casters. Take care to prevent movement when unbolting the equipment from its shipping pallet. Ensure
adequate personnel and lifting equipment are available when taking the EXM off its shipping pallet.
Le poids élevé de l’appareil peut entraîner des dommages matériels, des blessures et même la mort. Veillez à ce que les
équipements utilisés pour déplacer le système EXM de EXM possèdent une capacité nominale suffisante. Le poids du
système EXM de Liebert varie entre 554 kg et 688 kg (1221 lb et 1516 lb) sans les batteries. Reportez vou au Table 3.1 on
page13 pour connaître le poids de l’appareil avec les batteries. Le système ASC présente un risque de renversement.
N’inclinez pas le système EXM de Liebert à plus de 15 degrés de la verticale. Comme le système ASC est équipé de roulettes,
veillez à éviter les mouvements involontaires lorsque vous déboulonnez l’équipement de sa palette d’expédition. Veillez à ce
qu’un personnel approprié et un dispositif de levage soient disponibles lorsque vous retirez le système EXM de Liebert de la
palette d’expédition.
WARNING! Risk of heavy unit tipping over while being moved. It can cause damage to the property, injury and
death. The casters are strong enough for movement across even surfaces only. Casters may fail if they are
subjected to shock loading, such as being dropped or rolled over holes on the floor or obstructions. Such
failure may cause the unit to tip over, injuring personnel and damaging the equipment.
Le centre de gravité élevé de l’appareil présente un risque de renversement lors des déplacements, peut entraîner des
dommages matériels, des blessures et même la mort. Les roulettes sont suffisamment résistantes pour le déplacement sur
des surfaces planes uniquement. Les roulettes peuvent être endommagées si vous les soumettez à des impacts, notamment
en cas de chute ou de passage sur des obstacles ou trous dans le plancher. Une telle défaillance peut causer le renversement
de l’appareil, qui risque de blesser le personnel et d’endommager l’équipement.
Final Positioning
When the equipment has been finally positioned, ensure that the adjustable stops are set so that the UPS will remain
stationary and stable. See Figure 3.1 on the next page .
The Vertiv™ Liebert® EXM and its auxiliary cabinets must be installed on a concrete or equivalent, non-resilient floor.
3.5 Mechanical Considerations
The Liebert® UPSis constructed with a steel frame and removable panels. The top and the side panels are secured to the
chassis by the screws. The doors may be opened for access to the power connection bars, the auxiliary terminals block and
the power switches.
The UPS comes with an Operator Control Panel that provides basic operational status and alarm information. The cabinet
houses the power components. Cooling is provided by the internal fans. The unit sits on four casters. Adjustable stops are
provided to prevent the UPS from moving once it has been moved to its final position.
The wiring cabinet shown in Figure 3.1 on the next page provides the additional space to support the wiring and the conduit
landing for the 16 kVA to 200 kVA models of the Vertiv™ EXM. The wiring cabinet is added to the UPS when a Vertiv™
Liebert® EXM MBC is not used. The wiring cabinet provides space for the conduit and the power connections to a customer
supplied maintenance bypass cabinet.
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3.5.1 Dimensions
Figure 3.1 UPS Dimensions
Item Description
1 Wiring cabinet
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3.5.2 Clearances
Figure 3.2 Clearances
UPS Rating KVA Unit Weight lb. (kg) Shipping Weight lb. (kg) UPs Rating KVA UNIT Weight LB. (kg) Shipping Weight Lb.(kg)
20 684 (320) 784 (356) 120 1221 (554) 1321 (600)
40 758 (344) 858 (389) 140 1295 (587) 1395 (633)
60 844 (383) 944 (428) 160 1368 (621) 1468 (666)
80 918 (416) 1018 (462) 180 1442 (654) 1542 (699)
100 992 (450) 1092 (495) 200 1516 (688) 1616 (733)
Table 3.1 UPS Weight
Provide at least minimum clearance required by the NEC on all sides of the Vertiv™ Liebert® EXM UPS, including 36 in. (914
mm) in front, to permit routine tightening power terminations within the UPS and free passage for personnel with the door
fully opened. Depending on the floor anchoring system used, up to 5 in. (127 mm) may be required in the rear of the UPS.
There are no ventilation grilles on the sides or back of the UPS.
Leave a minimum of 24 in. (610 mm) between the top of the UPS frame and the ceiling to permit adequate air circulation
above the unit. Vertiv recommends against using the air conditioning or other systems that blow air onto the top of the unit.
3.5.3 Floor Installation
If the Vertiv™ Liebert® EXM is to be placed on a raised floor, the UPS should be mounted on a pedestal that will support the
equipment point loading. To design this pedestal (Refer to the bottom view in Figure 3.1 on the previous page ).
3.5.4 Cable Entry
Cables can enter the Liebert® EXM UPS from the top or the bottom through the removable metal plates.
3 Installation Proprietary and Confidential ©2023 Vertiv Group Corp. 13
Vertiv™ Liebert® EXMUser Manual
Some plates have factory-punched holes and others are designed to allow the personnel to punch holes for fitting and
securing the conduit. Once the conduit holes are punched, these plates should be reattached to the UPS. The conduit size
and wiring method must be in accordance with all the local, regional and national codes and regulations, including the NEC
ANSI/NFPA 70.
The UPS must be accessible from the front to allow the personnel to complete the cable connections and make necessary
adjustments.
NOTE: When installing the UPS, the customer must provide a disconnect with the overcurrent protection at the output
of the UPS.
Figure 3.3 Cable Entry Locations, 20-140 kVA Model
Item Description Item Description
1 Top control cable entry 3 Bottom control cable entry
2 Top power cable entry 4 Bottom power cable entry
14 Proprietary and Confidential ©2023 Vertiv Group Corp. 3 Installation
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Vertiv Liebert® EXM 208 Volt Manuel utilisateur

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Alimentations sans interruption (UPS)
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Manuel utilisateur

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