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Vertiv Liebert APM2 User Manual
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Vertiv Liebert APM2 User Manual

Vertiv Liebert APM2 User Manual

10 kva to 60 kva, 208 v, 4-wire, 60 hz, 20 kva to 120 kva, 480 v, 4-wire/3-wire, 60 hz
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Liebert® APM2
User Manual
10 kVA to 60 kVA, 208 V, 4-Wire, 60 Hz
20 kVA to 120 kVA, 480 V, 4-Wire/3-Wire, 60 Hz

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Summary of Contents for Vertiv Liebert APM2

  • Page 1 Liebert® APM2 User Manual 10 kVA to 60 kVA, 208 V, 4-Wire, 60 Hz 20 kVA to 120 kVA, 480 V, 4-Wire/3-Wire, 60 Hz...
  • 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

    2.7.1 Parallel System 2.7.2 Parallel System Requirements 2.7.3 Load Bus Synchronization System 3 Mechanical Installation 3.1 Precautions 3.2 Transportation 3.3 Tools 3.4 Unpacking 3.5 Pre-installation Inspection 3.6 Environmental Requirement 3.6.1 UPS Location Selection Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 4 5 Operator Control and Display Panel 5.1 Introduction 5.2 Navigating through the Liebert® APM2 Touchscreen 5.2.1 Vertiv™ Liebert® APM2 Touchscreen Control Panel Components 5.3 Operation 5.3.1 Login to the Vertiv™ Liebert® APM2 Touchscreen Control Panel Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 5 7.5 Battery Installation Environment and Number of Batteries 7.5.1 Installation Environment 7.5.2 Number of Batteries 7.6 Battery Protection 7.7 Battery Installation and Connection 7.8 Internal Battery 7.8.1 Lithium-ion Battery Cabinet 7.9 External Modular VRLA Battery Cabinet (Option 1) Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 6 10.1 Simple Network Management System Protocol Communication 10.2 Modbus Protocol Communication 10.3 Dry Contact Communication 10.3.1 Communication through Liebert® IS-Relay Card 10.3.2 Communication through Dry Contact Port of Central Control Module 11 Service and Maintenance Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 7 12.4 Electrical Characteristics (Input Rectifier) 12.5 Electrical Characteristics (Battery Bus) 12.6 Electrical Characteristics (Inverter Output) 12.7 Electrical Characteristics (Bypass Input) 12.8 Efficiency and Loss Appendices Appendix A: Technical Support and Contacts Appendix B: Glossary Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 8 Vertiv™ Liebert® APM2 User Manual This page intentionally left blank Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 9: Important Safety Instructions

    1 Important Safety Instructions Save These Instructions This manual contains important instructions that must be followed during installation of the Vertiv™ Liebert® APM2. Read this manual thoroughly, pay attention to the safety instructions in mechanical and electrical installation chapters. Retain this manual for use by installing personnel.

  • Page 10: Ground Leakage Current

    (earth ground). Never work alone, even if all power is disconnected from the equipment. A second person should be standing by to assist and summon help in case of an accident. Proprietary and Confidential ©2025 Vertiv Group Corp. 1 Important Safety Instructions...
  • Page 11 If any difficulties are encountered, contact Vertiv. This device complies with part 15 of the FCC Rules. Operation is subject to the following conditions: This device may not cause harmful interference, and this device must accept any interference received, including interference that may cause undesired operation.

  • Page 12: Symbols

    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 Proprietary and Confidential ©2025 Vertiv Group Corp. 1 Important Safety Instructions...

  • Page 13: Overview

    208 V, 400 V, and 480 V capability. The Liebert® APM2 operates with 60 Hz. When configured for scalability, the capacity of UPS can be set according to Table 2.1 below. Contact Vertiv Services about adding capacity.

  • Page 14: Operation Modes

    AC voltage by the inverter to supply uninterrupted AC power to the loads. At the same time, the charger will use the DC voltage from the rectifier to charge the battery. For inverter overload protection, the Vertiv™ Liebert®...
  • Page 15 Figure 2.1 Inverter Overload Protection Figure 2.2 Schematic Diagram of Normal Mode Item Description Item Description Main input Maintenance isolation breaker (MIB) Rectifier input breaker (RIB) UPS output Rectifier Battery charger Inverter Battery 2 Overview Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 16: Battery Mode

    Automatic restart helps to delay the shutdown process and the UPS will charge the battery to protect against the power Off risk of the load device caused by mains power failure. NOTE: The user can manually start the UPS through RESET FAULT function, if the automatic restart function has not set. Proprietary and Confidential ©2025 Vertiv Group Corp. 2 Overview...

  • Page 17: Bypass Mode

    (MBB) to transfer the load to maintenance bypass, with no interruption in power to the load. Figure 2.5 Schematic Diagram of Maintenance Mode Item Description Item Description Bypass input Maintenance bypass UPS output 2 Overview Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 18: Economy Mode

    Single UPS Operation on page 65. In normal mode, the load is powered by the bypass, the touchscreen displays Bypass mode. NOTE: In ECO mode, the load is not protected against mains distortion. Proprietary and Confidential ©2025 Vertiv Group Corp. 2 Overview...

  • Page 19: Frequency Converter Mode

    2.4.8 Power Conditioner Mode In this mode the Vertiv™ Liebert® APM2 only performs to condition and filter the incoming AC power for a clean regulated AC output. For this mode, a DC battery source is not installed and the Liebert® APM2 is incapable of operating on Battery Mode.

  • Page 20: Battery Management System

    Maximum battery discharge time: When the battery has small current discharge for a long time, the battery is over discharged and even has unrecoverable damage, thus setting a battery discharge time to protect the battery is essential. The limit of time setting must be configured by service engineer through the Vertiv setting software.

  • Page 21: Advanced Functions

    WARNING! The user must select an appropriate MCCB to protect against short circuit and overload for the battery. It is recommended to use the Vertiv battery to provide a better solution. The following battery protection functions are set by the service engineer through the Vertiv setting software. 2.6.1 Battery Low Pre-warning The battery low pre-warning occurs before the EOD.

  • Page 22: End Of Discharge Protection

    (STS) can be installed to power the load. For the operation principle diagram of the LBS mode, see Figure 8.5 on page 95 and Figure 8.6 on page 96. Proprietary and Confidential ©2025 Vertiv Group Corp. 2 Overview...

  • Page 23: Mechanical Installation

    NOTE: Professional installation required. Do not disassemble the package without permission of authorization from Vertiv. The UPS should be installed by an authorized engineer in accordance with the information provided in this chapter. NOTE: The UPS can be connected to IT, TN, and TT AC distribution systems (IEC60364-3), and must be a 3-phase, 5-wire (A, B, C, N, PE) system.

  • Page 24: Tools

    Adjustable wrench Cross head Slotted screwdriver screwdriver Stepladder Forklift Drill Wire cutting plier Claw hammer Diagonal cutting plier Insulating shoes Antistatic gloves Electrician knife Cable tie Insulating tape Insulating gloves Proprietary and Confidential ©2025 Vertiv Group Corp. 3 Mechanical Installation...

  • Page 25: Unpacking

    Before unpacking the UPS and battery, inspect for any visual damage or signs of mishandling. Under the guidance of authorized Vertiv personnel, follow the below steps to unpack the UPS and battery packages. Remove the packaging as shown in Figure 3.1 below.

  • Page 26: Pre-Installation Inspection

    2. Remove the fixing bolts, shown in Figure 3.2 below. 3. Vertiv™ Liebert® APM2 may be rolled on its casters for short distances only. For longer distances, move the UPS with a forklift or similar equipment to ease the relocation and to reduce vibration.

  • Page 27: Environmental Requirement

    For the top fan airflow UPS, there are no perforated panels on the sides or back of the UPS. Leave a minimum of 24 in. (670 mm) between the top of the UPS frame and the ceiling to permit adequate air circulation above the unit. Vertiv does not recommend using air conditioning or other systems that blow across the top of the unit.

  • Page 28: Storage

    Characteristics on page 114 for weight of the UPS. Vertiv™ Liebert® APM2 rolled on its casters for short distances only. For longer distances, move the UPS with a forklift or similar equipment to ease the relocation and to reduce vibration. 3.7.3 Clearance Provide at least minimum clearance, as recommended by the NEC to the Liebert®...
  • Page 29 UPS. Leave a minimum of 24 in. (670 mm) between the top of the UPS frame and the ceiling to permit adequate air circulation above the unit. Vertiv do not recommend using air conditioning or other systems that blow air onto the top of the unit Figure 3.3 Clearances for Airflow (Rear)

  • Page 30: Installation

    UPS. 3.9 Cabinets Installation The Vertiv™ Liebert® APM2 10 kVA to 60 kVA 208V or 20 kVA to 120 kVA 480 V frame consists of a single cabinet housing the UPS components. including optional internal batteries VRLA and Lithium-ion.
  • Page 31 UPS cabinet, EBC. All cabinets used will be the same height and will be designed to be positioned side by side to form an aesthetically appealing equipment suite. Figure 3.6 Cabinet Arrangement for Vertiv™ Liebert® APM2 60 kVA 208 V and 120 kVA 480 V UPS Item...

  • Page 32: Installed Components

    NOTE: There must be an interval of 5 seconds between repeated remove or Insert of the power module on the device. Figure 3.7 Vertiv™ Liebert® Power Module Installation Indicators and Controls for Vertiv™ Liebert® APM2 60 kVA 208 V and 120 kVA UPS...

  • Page 33: Bypass Module

    Transfer from Maintenance Mode to Normal Mode on page 74. NOTE: Quickly remove or Insert Power module on the equipment in regard to back-plane connection, slow operation prohibited. 3 Mechanical Installation Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 34 NOTE: There must be an interval of 5 seconds between repeated remove or Insert of the power module on the device. Figure 3.8 Vertiv™ Liebert® Bypass Module Installation Indicators and Controls for Vertiv™ Liebert® APM2 60 kVA 208 V and 120 kVA UPS...

  • Page 35: Control Module

    Vertiv™ Liebert® APM2 User Manual 3.10.3 Control Module The Control module has two Vertiv™ Liebert® IntelliSlot™ interface card bays and connections for optional ancillary cabinets and for other options. See Figure 4.7 on page 44 through Figure 4.10 on page 47 for more information. Control Modules should only be replaced by authorized Vertiv service personnel.
  • Page 36 Vertiv™ Liebert® APM2 User Manual This page intentionally left blank Proprietary and Confidential ©2025 Vertiv Group Corp. 3 Mechanical Installation...

  • Page 37: Electrical Installation

    Vertiv™ Liebert® APM2 User Manual 4 Electrical Installation This chapter describes the electrical installation of the Vertiv™ Liebert® APM2 UPS. After completing the mechanical installation of the UPS, it is necessary to connect the power cable and signal cable of the UPS.

  • Page 38: Maximum Steady State Ac And Dc Currents

    NOTE: The cables used must be in accordance with NEC ANSI/NFPA 70. Cable sizes should be suitable for operation at a maximum temperature of 104 °F (40 °C). Table 4.1 Maximum Steady State AC and DC Currents for Vertiv™ Liebert® APM2 60 kVA 208 V 4-Wire System Rated Current (A)
  • Page 39 The battery discharge current is calculated according to the battery cell number of 40, EOD voltage of 1.63 V and 100% load percentage. Table 4.3 Maximum Steady State AC and DC Currents for Vertiv™ Liebert® APM2 120 kVA 480 V 4-Wire/3-Wire...

  • Page 40: Recommended Cross-Sectional Area Of Ups Cable

    Vertiv™ Liebert® APM2 User Manual 4.1.3 Recommended Cross-sectional Area of UPS Cable The recommended cross-sectional area (CSA) of the UPS cable is given in Table 4.4 below. Table 4.4 Recommended CSA for Vertiv™ Liebert® APM2 60 kVA 208 V 4-Wire System Input Output...

  • Page 41: Recommended Breaker Of Ups Opd

    • • • All recommended breakers in the Table 4.7 below are based off of using 100% rated breakers. Table 4.7 Recommended OPD for Vertiv™ Liebert® APM2 60 kVA 208 V 4-Wire System Model (kVA) RIB (A) MIB (A) BIB and MBB (A)
  • Page 42 Vertiv™ Liebert® APM2 User Manual Table 4.7 Recommended OPD for Vertiv™ Liebert® APM2 60 kVA 208 V 4-Wire System Model (kVA) RIB (A) MIB (A) BIB and MBB (A) BCB (A) NOTE: These values are at Ambient Temperature: 77 °F (25 °C).

  • Page 43: General Information

    NOTE: The rectifier input and bypass input must use the same neutral line. NOTE: For IT grid system, 4-pole protective components must be installed for the UPS external input power distribution. 3. Ground fault protection. 4 Electrical Installation Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 44: External Battery

    See Table 12.5 on page 115 and Table 12.6 on page 116. NOTE: An IT grid system, 4-pole protective components must be installed for the UPS external input power distribution. Proprietary and Confidential ©2025 Vertiv Group Corp. 4 Electrical Installation...

  • Page 45: Power Cable Connection Steps

    4.1.9 Power Cable Connection Steps Connection terminal Figure 4.2 below shows the connection terminals of the UPS power cable. Figure 4.2 Power Cable Connection Terminals 120 kVA Item Description Item Description 4 Electrical Installation Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 46: Cabling Procedure

    The Vertiv™ Liebert® APM2 series UPS supports top cable access. To route and connect the power cables, use the following procedure. WARNING! Risk of electric shock. Can cause equipment damage, personnel injury or death. Verify that all external and internal power switches of the UPS are turned off and locked out or tagged out before installing the cables or making any electrical connections.
  • Page 47 BYP-B, BYP- C) and tighten the connections to 240 lb-in. (27 Nm) (M10 bolt). 2. Ensure correct phase rotation. For more information, see Figure 4.2 on page 37 and Figure 4.3 above. 4 Electrical Installation Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 48: Split Bypass Connections

    2. Do not reconnect these links and do not close the battery breaker before authorized to do so by the service engineer. 3. Refit all protective covers removed for cable installation. NOTE: After connection, make sure to seal the cable entry hole on the cabinet. Proprietary and Confidential ©2025 Vertiv Group Corp. 4 Electrical Installation...

  • Page 49: Signal Cable Wiring

    Vertiv™ Liebert® APM2 User Manual 4.2 Signal Cable Wiring 4.2.1 Overview Based on the site’s specific requirements, the Vertiv™ Liebert® APM2 UPS can require: • Auxiliary connection. • Communicate with a computer. • Provide alarm signal to the external devices.

  • Page 50: Dry Contact Port X6 J3

    The list of definable input dry contact functions are provided in Table 4.11 on the facing page. Proprietary and Confidential ©2025 Vertiv Group Corp. 4 Electrical Installation...
  • Page 51 The schematic diagram of dry contact port J22 is shown in Figure 4.6 below and described in Table 4.13 on the next page. The dry contact voltage is 24 VDC/250 VAC, and the current is 5 A. Figure 4.6 Dry Contact Port J22 4 Electrical Installation Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 52: Output Dry Contact X7 J1 (Option)

    Dry in Dry in Input dry contact can be defined, the default Input dry contact can be defined, the default setting is BCB2 status feedback setting is BCB3 status feedback Proprietary and Confidential ©2025 Vertiv Group Corp. 4 Electrical Installation...

  • Page 53: Output Dry Contact X7 J2 (Option)

    24 V/10 mA signals, and the output dry contacts are relay contacts that can accept 24 V/500 mA signals. The BCB drive signal can provide 12 V/10 mA signal. Figure 4.8 Dry Contact Port J2 4 Electrical Installation Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 54: Output Dry Contact X7 J3 (Option)

    The input dry contacts of this series provide 24 V/10 mA signals, and the output dry contacts are relay contacts that can accept 24 V/500 mA signals. BCB drive signal can provide 12 V/10 mA signal. Figure 4.9 Dry Contact Port J3 Proprietary and Confidential ©2025 Vertiv Group Corp. 4 Electrical Installation...

  • Page 55: Remote Emergency Off Port

    328.1 ft. (100 m) or less, use a shielded wire with both ends of the shielded wire properly grounded. If the length exceeds 328.1 ft. (100 m), the shielded wire must go through a metal conduit. NOTE: For Vertiv™ Liebert® APM2 with internal batteries the GHMI will remain online for 5 minutes unless the internal battery breakers are manually opened.

  • Page 56: Parallel And Load Bus Synchronization Communication Ports

    See Figure 4.4 on page 41 for the positions of the parallel and LBS communication port. 4.2.8 Vertiv™ Liebert® IntelliSlot™ Port The Vertiv™ Liebert® APM2 UPS consist of two Liebert® IntelliSlot™ ports which allows field installation of the optional communication cards, including Vertiv™ Liebert® IS-UNITY-DP card, Vertiv™ Liebert® IS-Relay card. Table 4.18 below describes the models and installation positions of the optional cards.

  • Page 57: Built-In Lead-Acid Battery Module Installation

    Vertiv™ Liebert® APM2 User Manual Figure 4.11 Signal Cables Wiring Route of Vertiv™ Liebert® APM2 60 kVA 208 V and 120 kVA 480 V UPS Item Description Connect them to corresponding terminals. Lead the signal cables into the cabinet through this cabling entry plate.
  • Page 58 Item Description Item Description Mounting ears Connecting piece M4 x 8 screw Rack rail slot Bracket Bracket Rack rail slot M4 x 8 screw M6 x 12 screw Mounting ears Proprietary and Confidential ©2025 Vertiv Group Corp. 4 Electrical Installation...

  • Page 59: Operator Control And Display Panel

    Most of the settings will depend on the UPS type and features. Other settings will be made during the UPS setup by Vertiv tech service personnel. The touchscreen control panel display Liebert® APM2 shows data either graphically or as text.

  • Page 60: Vertiv™ Liebert® Apm2 Touchscreen Control Panel Components

    Vertiv™ Liebert® APM2 User Manual 5.2.1 Vertiv™ Liebert® APM2 Touchscreen Control Panel Components The main areas of the Liebert® APM2 touchscreen control panel are shown in Figure 5.1 below and Figure 5.2 on the facing page. The display arrangement and the information displayed can be changed. At login for all access levels, the Liebert®...

  • Page 61: Operation

    Service: Input wiring and breaker configuration, protocol used and battery charging method. Visible to Service 5.3 Operation 5.3.1 Login to the Vertiv™ Liebert® APM2 Touchscreen Control Panel The Liebert® APM2 touchscreen control panel provides security by limiting the authority to change how the UPS operates.
  • Page 62 Administrator or Service level access. The Vertiv™ Liebert® APM2 touchscreen control panel is On when the UPS has control power. It is inactive and appears dark, depending on its settings. Touch the touchscreen to turn it On.

  • Page 63: Operator Controls

    The graphic screen is not linked to data in this view touching a component will not cause it to display data. 5 Operator Control and Display Proprietary and Confidential ©2025 Vertiv Group Corp. Panel...
  • Page 64 UPS is prepared for the inverter to start. When the operator access is shown, commands are the same for all access levels. The Vertiv™ Liebert® APM2 touchscreen control panel displays a message asking for confirmation. Touch On to confirm shown in Figure 5.5 below.
  • Page 65 Vertiv™ Liebert® APM2 User Manual Figure 5.6 Inverter Off Screen Reset Fault Reset faults by touching the Reset button. Figure 5.7 Reset Fault Screen 5 Operator Control and Display Proprietary and Confidential ©2025 Vertiv Group Corp. Panel...
  • Page 66 Figure 5.9 on the facing page. 3. Touch the Save button. The Save button is inactive until the activation state is changed. Figure 5.8 Activating Energy Saving Mode 5 Operator Control and Display Proprietary and Confidential ©2025 Vertiv Group Corp. Panel...

  • Page 67: Viewing Ups Status

    Vertiv™ Liebert® APM2 User Manual Figure 5.9 Energy Saving Mode Activation 5.4 Viewing UPS Status The Vertiv™ Liebert® APM2 Touchscreen displays the UPS status in two ways: graphic views and text views. Each view shows the same readings. 5.4.1 Status Bar Component The status bar indicates UPS status by: •...

  • Page 68: Viewing Ups Data With The Status Gauge

    NOTE: A parameter must be visible on the graphic view of the Unit Status screen for details to be viewed, even in the text view. 5 Operator Control and Display Proprietary and Confidential ©2025 Vertiv Group Corp. Panel...
  • Page 69 Vertiv™ Liebert® APM2 User Manual Figure 5.12 Unit Status — Input Details Figure 5.13 Unit Status — Bypass System 5 Operator Control and Display Proprietary and Confidential ©2025 Vertiv Group Corp. Panel...
  • Page 70 Vertiv™ Liebert® APM2 User Manual Figure 5.14 Unit Status — Battery Details Figure 5.15 Unit Status — Load Details 5 Operator Control and Display Proprietary and Confidential ©2025 Vertiv Group Corp. Panel...

  • Page 71: Logs Alarms And Events

    3. Touch the log to view, alarms, or events, as shown in Figure 5.16 below. 4. Touch the logs to see the UPS event log screen. 5. Touch Alarms to open a list of alarms. Figure 5.16 View Alarms or Events 5 Operator Control and Display Proprietary and Confidential ©2025 Vertiv Group Corp. Panel...
  • Page 72 Vertiv™ Liebert® APM2 User Manual Figure 5.17 Event Logs 5 Operator Control and Display Proprietary and Confidential ©2025 Vertiv Group Corp. Panel...

  • Page 73: Single Ups Operation

    Vertiv™ Liebert® APM2 User Manual 6 Single UPS Operation This chapter briefly describes the operating precautions and routine operations for the Vertiv™ Liebert® APM2 UPS single module. For the operating precautions and routine operating methods of UPS parallel system, see...

  • Page 74: Ups Start-Up Procedures

    Vertiv™ Liebert® APM2 User Manual Figure 6.1 UPS Power Switch Four Switches for Vertiv™ Liebert® APM2 60 kVA 208 V and 120 kVA 480 V UPS Item Description Item Description 6.3 UPS Start-up Procedures The Liebert® APM2 UPS must be completely installed and commissioned before start-up by an authorized engineer. The external power supply switch must be closed.
  • Page 75 The system is powered on, and the start-up screen opens. Wait 25 seconds and touch Log In icon to enter the system by typing correct password. Figure 6.2 Enter Password Screen 6 Single UPS Operation Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 76 Figure 6.3 below. Touch the On key. See Navigating through the Liebert® APM2 Touchscreen on page 51 for information regarding Operator Controls. Figure 6.3 Clicking Inverter On Key Proprietary and Confidential ©2025 Vertiv Group Corp. 6 Single UPS Operation...
  • Page 77 Vertiv™ Liebert® APM2 User Manual 6. The inverter starts a self-test and synchronizes. Figure 6.4 Inverter Self-Test and Synchronize Start-up is finished. Figure 6.5 Start-up Finished 6 Single UPS Operation Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 78: Start-Up Procedures In Economy Mode

    The system is powered on, and the start-up screen activates. 3. If ECO mode is necessary, contact a Vertiv service engineer to activate it through the software setting. If you wish to activate it by yourself, you can enable it through the Energy Saving Mode Activation on the touchscreen. For...

  • Page 79: Start-Up Procedures In Battery Mode (Battery Cold Start)

    WARNING! Start the UPS strictly following the above procedure. Failure to do so can cause the device to malfunction. Figure 6.7 Battery Cold Start Button for Vertiv™ Liebert® APM2 60 kVA 208 V and 120 kVA 480 V UPS Power Module Item...

  • Page 80: Transfer From Normal Mode To Bypass Mode

    Follow the procedure below to transfer the load from the bypass mode to the normal mode. Activate the system and login to the system. 2. Verify that the Vertiv™ Liebert® APM2 UPS is in bypass mode. 3. Touch the Operate tab.

  • Page 81: Transfer From Normal Mode To Maintenance Mode

    GHMI touchscreen will shutdown. NOTE: Under maintenance mode, the load is directly fed by the mains power instead of the pure AC power from the inverter. 6 Single UPS Operation Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 82: Transfer From Maintenance Mode To Normal Mode

    The load has transferred to UPS normal mode. 6.5 Battery Test Procedures The battery test function is disabled by default. If you need this function, contact Vertiv's customer service. The battery self-test includes a periodic self-test and a manual maintenance self-test.
  • Page 83 The battery discharges 20% of total battery energy. The periodic self-test tests the battery activity. This test is regular and can be configured through the Vertiv setting software. During the periodic self-test, the system generates audible/visual alarm and corresponding records if the battery maintenance requirement is met.

  • Page 84: Ups Shutdown Procedures

    3. Disconnect the RIB, BIB, output switch breaker MIB. Now, all the internal power supply is off, and the touchscreen does not display any more. WARNING! Place a notice at the AC input distribution (generally far away from the UPS) to communicate that the UPS is under maintenance. Proprietary and Confidential ©2025 Vertiv Group Corp. 6 Single UPS Operation...

  • Page 85: Procedures For Completely Powering Down Ups While Maintaining Power To Load

    UPS will enable the bypass. Restore the power at the output terminal of the UPS. WARNING! If the MBB is closed and UPS has input power, UPS has outputs. 6 Single UPS Operation Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 86: Automatic Restart

    10 minutes. During the automatic recovery delay, the UPS charges its batteries to provide a safety margin for equipment shutdown if input power fails again. NOTE: During the automatic restart process, manual start-up is disabled. Automatic restart must be set by Vertiv's authorized service engineer through Vertiv setting software.

  • Page 87: Battery

    3. The battery is very heavy. Use a proper method to move and lift the battery, so as to prevent any harm or injury to personnel or damage to the battery terminal. Severe damage to the battery may cause fire. 7 Battery Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 88: Ups Battery

    3 months during the storage. The specific time may differ for different batteries. For details, refer to the requirements of the battery manufacturer. Proprietary and Confidential ©2025 Vertiv Group Corp. 7 Battery...

  • Page 89: Precautions For Installation Design

    (-15 °C to 45 °C) The higher the temperature is, the shorter the battery service life will be. At low temperature, the charge/discharge performance of the battery will be reduced. 7 Battery Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 90: Number Of Batteries

    IMPORTANT! Users must choose appropriate switching devices to protect the battery from short circuit and overload. It is recommended to use the Vertiv BCB to provide better battery protection. The battery is connected to the UPS through the BCB. The BCB is manually closed and has the electronic tripping device controlled by the UPS control circuit.

  • Page 91: Battery Installation And Connection

    7.8 Internal Battery Vertiv™ Liebert® APM2 UPS supports the following internal modular VRLA batteries. Each Liebert® APM2 UPS supports up to sixteen integrated VRLA battery modules. Each individual battery module contains BCB, eight 9AH VRLA batteries connected in series, and communications to central UPS BMS.

  • Page 92: Lithium-Ion Battery Cabinet

    If users wish to choose a battery system with a long backup time, they can choose modular external battery cabinet (EBC), which can carry more battery modules. For lead-acid batteries, up to 32 modules can be placed. For more details, refer Vertiv™...
  • Page 93 Vertiv™ Liebert® APM2 User Manual Figure 7.1 Battery Ground Fault Detector for Vertiv™ Liebert® APM2 60 kVA 208 V and 120 kVA 480 V UPS Item Description Ground fault detection board This part inside frame 7 Battery Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 94 Vertiv™ Liebert® APM2 User Manual This page intentionally left blank Proprietary and Confidential ©2025 Vertiv Group Corp. 7 Battery...

  • Page 95: Parallel System And Load Bus Synchronization System

    Ensure that the selections of the parallel cables are correct, and that the modules are of the same rating, model, and use the same software and hardware release. IMPORTANT! Vertiv service personnel must configure each module separately using Vertiv setting software to achieve coordinated operation of the modules in the parallel system.
  • Page 96 Mains input L1, L2, L3, N Input power supply To load Rectified L1, L2, L3, N Static switch Inverter Battery 1 NOTE: RIB, BIB, MIB,and MBB are optional. 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...

  • Page 97: External Protective Device

    Figure 8.2 below. Make sure to check all the reliable cable connections before starting up the UPS system. Figure 8.2 Parallel Signal Cables Connection (Parallel System) 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...

  • Page 98: Remote Emergency Power Off

    NOTE: The external REPO device is consists of another control system which can disconnect UPS mains supply or bypass input. Pins 1 and 2 of the normally closed REPO port on the integrated control module is linked in factory. 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...

  • Page 99: Operation Procedures For Parallel System

    Make sure UPS has been completely installed and commissioned by the engineer, and external power supply switch has been turned off. 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...

  • Page 100: Maintenance Bypass Procedures

    Manually turn off the inverter of each UPS. The power flow diagram shows Inverter Off and the buzzer alarms. The load transfers to the static bypass, and the inverter shuts down. All UPS units are then transferred to Bypass Mode. 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...

  • Page 101: Procedures For Isolating One Ups Module From Parallel System

    8.3.3 Procedures for Isolating One UPS Module from Parallel System IMPORTANT! The isolation procedures should be carried out only by Vertiv certified service personnel. NOTE: After isolating one UPS module, when the parallel system is not overload, then proceed with steps below.

  • Page 102: Procedures For Inserting One Isolated Ups Module In Parallel System

    8.3.4 Procedures for Inserting One isolated UPS Module in Parallel System IMPORTANT! These procedures must only be carried out by service personnel of Vertiv or under their guidance. The following procedures are used to reintegrate a UPS module that has been previously isolated from the parallel system: Confirm that the I/O cable, battery cable, and parallel cable of the single module are correctly connected.

  • Page 103: Load Bus Synchronization System

    (single/parallel) is designated as the primary, the other set of UPS system (single/parallel) is designated as the secondary for the operation in LBS mode. Figure 8.5 LBS System (UPS Module) Item Description Item Description Rectifier To load Bypass 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...
  • Page 104 NOTE: In a dual bus system, the two UPS systems must have the same voltage and frequency, and the load should not exceed the power rating of a UPS module system. 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...

  • Page 105: External Protective Device

    LBS cable from the power cables to prevent electrical interferences. Figure 8.7 LBS Cable Connection of Typical Synchronous Double Busbar System (Single Unit) Item Description Parallel 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...
  • Page 106 Vertiv™ Liebert® APM2 User Manual Figure 8.8 LBS Cable Connection of Typical Double Busbar System (Single and Parallel) Item Description LBS 1 Parallel 1 Parallel 2 LBS 2 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...
  • Page 107 Vertiv™ Liebert® APM2 User Manual Figure 8.9 LBS Port Item Description Parallel 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...
  • Page 108 Vertiv™ Liebert® APM2 User Manual This page intentionally left blank 8 Parallel System and Load Bus Proprietary and Confidential ©2025 Vertiv Group Corp. Synchronization System...

  • Page 109: Vertiv™ Liebert® Apm2 Option Configurations

    Battery temperature sensor kit Battery ground fault kit Seismic anchor kit Vertiv™ Liebert® IS-UNITY-DP card Vertiv™ Liebert® Intellislot™ ports 1 to 2 Vertiv™ Liebert® IS-UNITY-LIFE card Liebert® Intellislot™ ports 1 to 2 SIC card Liebert® Intellislot™ ports 1 to 2 UF-RS-485 card Liebert®...
  • Page 110 M12 expansion bolts (three) to install seismic anchor on the ground, as shown in Figure 9.1 below. Figure 9.1 Seismic Anchor Dimensions for Vertiv™ Liebert® APM2 60 kVA 208 V and 120 kVA 480 V UPS 9 Vertiv™ Liebert® APM2 Option Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 111: Vertiv™ Liebert® Is-Unity-Dp Card

    Manual_SL-52645 Web, simple network management system (SNMP), Modbus, BACnet, and YDN23. NOTE: Preserve the screws and port cover for future use. Insert the UNITY card (along two sides of the Vertiv™ Liebert® IntelliSlot™ port) into the indicated position recommended in Table 1.1 on page 1, and then tighten the screws.

  • Page 112: Vertiv™ Liebert® Is-Unity-Life Card

    9.2.5 Vertiv™ Liebert® IS-Relay Card Vertiv™ Liebert® APM2 UPS has an optional Liebert® IS-Relay card to use the dry contact signal to monitor the UPS functionalities. The functions of the Liebert® IS-Relay card are listed in Table 9.3 on the facing page. See Figure 9.4 below for more information of IS-Relay card.

  • Page 113: Parallel Cable

    Closed if On Bypass Common-On Bypass For more information of the Liebert® IS-Relay card, refer to the Vertiv™ Liebert® IntelliSlot™ IS-Relay Card User Manual_SL- 52645 in accessory. The installation method of the Liebert® IS-Relay card is the same as that of the SIC card described in SIC card. See...

  • Page 114: Load Bus Synchronization Extender

    The LBS extender, as shown in Figure 9.5 below is designed to extend the LBS function up to 492.2 ft. (150 m) between the two UPS units or systems of a dual bus system, and it also enables an Vertiv™ Liebert® APM2 UPS to synchronize with other UPS models.

  • Page 115: Communication

    Using network management system through the SNMP function provided by the Liebert® IS-Unity-DP card. The Liebert® IS-Unity-DP card shall be installed at the Vertiv™ Liebert® IntelliSlot™ port. See Figure 4.4 on page 41 for more information of position of various communication card. And the installation and configuration can refer to Vertiv™ Liebert®...

  • Page 116: Communication Through Dry Contact Port Of Central Control Module

    Input dry contact port status information. • Output dry contact ports of alarm signal. • EPO input port. For the functions and detailed information of these ports, see Signal Cable Wiring on page 41. Proprietary and Confidential ©2025 Vertiv Group Corp. 10 Communication...

  • Page 117: Service And Maintenance

    5. Wait 5 minutes after servicing. 6. Put the modules back into the cabinet. 7. Do not take out different types of modules out of the cabinet at the same time. 11 Service and Maintenance Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 118: Key Components And Service Life Of Ups

    2. Loosen the screws to remove one of the fixing bar while leave the other bar as it is. 3. Replace the clean air filter. 4. Reinstall the fixing bar and tighten all the fixing screws. Proprietary and Confidential ©2025 Vertiv Group Corp. 11 Service and Maintenance...

  • Page 119: Maintenance Of Ups And Options

    Maintenance staff should be familiar with the typical ambient conditions where UPS is working in order to rapidly position which ambient conditions are unusual; the setting of UPS touchscreen should be known as well. For information of the UPS battery maintenance, refer to Battery Maintenance. 11 Service and Maintenance Proprietary and Confidential ©2025 Vertiv Group Corp.
  • Page 120 Vertiv™ Liebert® APM2 User Manual This page intentionally left blank Proprietary and Confidential ©2025 Vertiv Group Corp. 11 Service and Maintenance...

  • Page 121: Specifications

    Vertiv™ Liebert® APM2 User Manual 12 Specifications This chapter includes all the required UPS specifications. 12.1 Conformance and Standards The Vertiv™ Liebert® APM2 has been designed to conform to the following standards: • Safety UL 1778, 5th Edition, CSA 22.2 107.3-14. •...

  • Page 122: Mechanical Characteristics

    72 to 102 (with derating) 288 to 408 (with derating) Frequency 50/60 (range: 40 to 70) Power factor kW/kVA, full load (half load) 0.99 Input current A, rated Total current harmonic distortion Proprietary and Confidential ©2025 Vertiv Group Corp. 12 Specifications...

  • Page 123: Electrical Characteristics (Battery Bus)

    12.5 Electrical Characteristics (Battery Bus) Table 12.4 Battery Rated Power (kVA) Item Unit Vertiv™ Liebert® APM2 60 kVA 208 V Liebert® APM2 120 kVA 480 V Max. charging current Quantity of lead- 30 to 50 (12 VDC). (40 to 50 full load, 40 derated to 95%, 36 16 to 24 jars for lead acid battery (208V).

  • Page 124: Electrical Characteristics (Bypass Input)

    12.7 Electrical Characteristics (Bypass Input) Table 12.6 Bypass Input Rated Power (kVA) Item Unit Vertiv™ Liebert® APM2 60 kVA 208 V Liebert® APM2 120 kVA 480 V 480 4-wire (3-phase + N +PE) Rated AC voltage 208/220 4-wire (3-phase + N +PE)

  • Page 125: Efficiency And Loss

    Vertiv™ Liebert® APM2 User Manual 12.8 Efficiency and Loss Table 12.7 Efficiency, Loss, and Air Exchange for Vertiv™ Liebert® APM2 60 kVA 208 V 4-Wire System AC/AC Efficiency Data Rated power, kVA 10 kVA to 60 kVA Dual conversion mode efficiency, % 95%±0.2%...
  • Page 126 (2100) (2100) (2100) (2100) (4200) (4200) (4200) (4200) (4200) 2321 3580 4482 5676 7535 9140 11072 11389 14235 Heat Dissipation, BTU/Hr (kWH) (0.7) (1.0) (1.3) (1.7) (2.2) (2.7) (3.2) (3.3) (4.2) Proprietary and Confidential ©2025 Vertiv Group Corp. 12 Specifications...

  • Page 127: Appendices

    505 N Cleveland Ave Westerville, OH 43082 Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco (PD) Italy Asia 7/F, Dah Sing Financial Centre 3108 Gloucester Road, Wanchai Hong Kong Appendices Proprietary and Confidential ©2025 Vertiv Group Corp.

  • Page 128: Appendix B: Glossary

    Battery circuit breaker Cross sectional area Electromagnetic compatibility Electromagnetic interference End of discharge Load bus synchronizer RCCB Residual current circuit breaker Residual current detector Static transfer switch Uninterruptible power system VRLA Valve regulated lead-acid Proprietary and Confidential ©2025 Vertiv Group Corp. Appendices...
  • Page 130 Vertiv.com | Vertiv Headquarters, 505 N Cleveland Ave, Westerville, OH 43082 USA ©2025 Vertiv Group Corp. All rights reserved. Vertiv™ and the Vertiv logo are trademarks or registered trademarks of Vertiv Group Corp. 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 here, Vertiv Group Corp.