Vertiv Liebert 10kVA User Manual
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Vertiv Liebert 10kVA User Manual

Vertiv Liebert 10kVA User Manual

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Liebert® MTP Online UPS
User Manual
20kVA/40kVA/80kVA

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Summary of Contents for Vertiv Liebert 10kVA

  • Page 1 Liebert® MTP Online UPS User Manual 20kVA/40kVA/80kVA...
  • 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

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA TABLE OF CONTENTS 1 Important Safety Instructions 1.1 EMC 1.2 Installation 1.3 Maintenance 1.4 Recycling the Used Battery 1.5 Connection Warnings 1.6 Operation 1.7 Standards 2 Installation and Operation 2.1 Unpacking and Inspection 2.2 Wiring Terminal View...
  • Page 4 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3.8 Dry Contact Port 3.8.1 Dry Contacts Output 3.8.2 Dry Contacts Input 4 Troubleshooting 5 Storage and Maintenance 5.1 Storage 5.2 Maintenance 6 Specifications Appendices Appendix A: Technical Support and Contacts Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 5: Important Safety Instructions

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 1 Important Safety Instructions WARNING! Risk of electric shock. Can cause serious injury or death. Lethal voltages are present in this UPS. All the repairs and services must be performed by authorized and qualified service personnel only. In the UPS, there are no user serviceable parts.

  • Page 6: Maintenance

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Table 1.1 Power Rating and Rated Battery Discharge Current (A) Power rating 20kVA 40kVA 80kVA Rated Battery Discharge Current (A) For safety, it is necessary to install circuit breakers or fused isolators in the input AC supply and external battery system.

  • Page 7: Recycling The Used Battery

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA CAUTION: Risk of hazardous voltage. Can cause equipment damage, injury or death to personnel. Extreme precaution is required when working with the UPS system as it is connected to the neutral main connector even after the UPS system input breakers are disconnected.
  • Page 8 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 1.1 Input Relay Diagram Figure 1.2 Input Relay Diagram for Dual-input Mode This UPS should be connected with TN grounding/earthing system. The power input for this unit must be three-phase rated in accordance with the equipment nameplate. It also must be suitably grounded.

  • Page 9: Operation

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 1.3 Warning Label Back feed protection can also be implemented by means of coil-based system controlled by UPS itself through output dry contact triggered in case of back feed. Output dry contacts are configurable.

  • Page 10: Standards

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA CAUTION: Risk of equipment damage. Ensure that no liquid or other foreign objects can enter into the UPS system. NOTE: Any person, with no prior experience can operate the UPS. 1.7 Standards...

  • Page 11: Installation And Operation

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 2 Installation and Operation 2.1 Unpacking and Inspection Unpack the package and check the package contents. The shipping package should contain: • One UPS • One user manual • One monitoring software CD •...
  • Page 12 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.2 Removal of the Carton and foams 3. Put a ramp in front of the cabinet. See Figure 2.3 below . Figure 2.3 Placement of Ramp 4. Remove two fixing cabinet plates and move the cabinet from the pallet. See Figure 2.4 below .

  • Page 13: Wiring Terminal View

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.5 Fixing of The Cabinet 2.2 Wiring Terminal View Figure 2.6 HV 20kVA Rear Panel 2 Installation and Operation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 14 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.7 HV 40kVA Rear Panel Proprietary and Confidential ©2024 Vertiv Group Corp. 2 Installation and Operation...
  • Page 15 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.8 HV 80kVA DUAL Front View with Door Open Item Description RS-232 communication port USB communication port Emergency power off function connector (EPO connector) Share current port (only available for parallel model)

  • Page 16: Single Ups Installation

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Item Description Output terminal Input grounding terminal Output grounding terminal Bypass input circuit breaker/switch Bypass input terminal Grounding terminal Output switch Output dry contact port Input dry contact port Battery temperature detection connection NOTE: Item and description is same for HV 20kVA Rear Panel , HV 40kVA Rear Panel, and HV 80kVA Front View with Door Open.
  • Page 17 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Table 2.1 Cable Size (AWG) and Terminal Block Torque (N/M) (continued) Cable size (AWG) Terminal Block Torque (N/m) Model Output (Ph)/ Input (Ph) Neutral Battery Ground Input Bypass (Ph) (3-In 1-Out) (3-In 3-Out)
  • Page 18 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Table 2.2 Maximum Current Values (continued) Battery Charge Max Battery Discharge UPS Power Input Output Input Output Number (+ current current with 32 blocks per (kVA) voltage (V) Voltage (V) Current (A)
  • Page 19 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Table 2.2 Maximum Current Values (continued) Battery Charge Max Battery Discharge UPS Power Input Output Input Output Number (+ current current with 32 blocks per (kVA) voltage (V) Voltage (V) Current (A)
  • Page 20 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.9 Terminal Block Wiring Diagram and Schematic Diagram of HV 10/15/20kVA with 3-In 3-Out configuration Item Description Output Input Bypass Input Proprietary and Confidential ©2024 Vertiv Group Corp. 2 Installation and Operation...
  • Page 21 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.10 Terminal Block Wiring Diagram and Schematic Diagram of HV 10/15/20kVA with 3-In 1-Out configuration Item Description Output Input Bypass Input Figure 2.11 Terminal Block Wiring Diagram for HV 40/30kVA 2 Installation and Operation...
  • Page 22 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Item Description Output Input Bypass Input Figure 2.12 Terminal Block Wiring Diagram for HV 80kVA Item Description Input Output Bypass Input BAT+ BAT-N BAT- Figure 2.13 Battery Wires Connection Schematic NOTE: Make sure that the wires are connected securely with the terminals.

  • Page 23: Mtp 10-15-20Kva From 3-3 Setting To 3-1 Setting

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA NOTE: Install the output breaker between the output terminal and the load, and the breaker should have leakage current protective function if necessary. 6. Put the terminal block cover back at the rear panel of the UPS.
  • Page 24 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.14 Bypass Mode—Advance 5. Go to SYS PARAMETER (Page 2/2) and modify the Output Setting from 3-3 to 3-1. Figure 2.15 Standby Mode—SYS Parameter NOTE: The 3-1 parameter settings will be saved only when UPS shutdown normally with battery connected.
  • Page 25 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.16 Busbars 8. Connect the power lines according to the Figure 2.17 below . Figure 2.17 Connection of Power Lines Item Description Output Input Bypass input 9. Keep the EPO connector still disconnected. Then turn ON the output breaker, bypass breaker, and main input breaker in this order.

  • Page 26: Ups Installation For Parallel System

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.18 Display Main Screen 11. Reconnect the EPO connector. 2.4 UPS Installation for Parallel System The parallel system of MTP 20kVA, 40kVA, and 80kVA can be composed of up to four (4) UPSs of the same power rating and connected in parallel without the need of a centralized mains static bypass.
  • Page 27 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.19 Wiring Diagram of Parallel System of 10-15-20kVA with 3-In 3-Out configuration Figure 2.20 Wiring Diagram of Parallel System for 10-15-20kVA with 3-In 1-Out configuration 2 Installation and Operation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 28 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.21 Wiring Diagram of Parallel System for HV 40kVA Proprietary and Confidential ©2024 Vertiv Group Corp. 2 Installation and Operation...

  • Page 29: Software Installation

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.22 Wiring Diagram of Parallel System for HV 80kVA 2.5 Software Installation For optimal computer system protection, install UPS monitoring software to configure UPS shutdown operation. 2 Installation and Operation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 30: Back Feed Protection

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 2.6 Back feed Protection Back feed protection device shields the bypass line from static switch failure. The UPS has no back feed device inside. It should be installed externally by following methods.
  • Page 31 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 2.24 Connecting and Disconnecting Internal Battery Terminals (MTP 20-40kVA) WARNING! To perform the servicing UPS, make sure to disconnect the cable connections between the UPS and batteries. Failure to do so may result in electric shock or battery arc risk.
  • Page 32 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA This page intentionally left blank Proprietary and Confidential ©2024 Vertiv Group Corp. 2 Installation and Operation...

  • Page 33: Operations

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3 Operations 3.1 Operation Mode This UPS is a 3-phase, 4 wire on-line, double conversion UPS that permits operation in the following modes: • Standby Mode • Line Mode (AC Mode) •...

  • Page 34: Line Mode (Ac Mode)

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3.1.2 Line mode (AC mode) In line mode, the rectifier obtains power from the utility and supplies DC power to the inverter while the charger charges the battery. The inverter filters the DC power before converting it to clean and stable AC power to the load.

  • Page 35: Bypass Mode

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3.1.4 Bypass mode When the UPS is connected to the utility input power and the BYPASS enable setting is enabled, the UPS will be in bypass mode until it is turned ON, and the charger function will be activated when the battery is available.

  • Page 36: Eco Mode

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3.1.5 ECO mode The ECO mode can be enabled through the settings menu of LCD panel. When the bypass voltage and frequency are within acceptable range, the load is powered by bypass in ECO mode. The UPS will transfer the power source of load from bypass to inverter if the bypass is out of range.

  • Page 37: Maintenance Bypass Mode

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3.1.7 Maintenance bypass mode When the UPS is unable to supply power during the maintenance process, a manual bypass switch is available to ensure continuous supply of power to the critical load. Ensure that the bypass power source is normal, before enabling the maintenance bypass mode.
  • Page 38 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.8 Menu Tree Proprietary and Confidential ©2024 Vertiv Group Corp. 3 Operations...

  • Page 39: Main Screen

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3.3.1 Main screen When the power is turned on, the LCD will start initialization approximately few seconds as shown below. Figure 3.9 Starting Screen After initialization, the main screen will display as shown below. On the button, there are five icons to represent five sub- menus: Control, measure, setting, information, data log.

  • Page 40: Control Screen

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3.3.2 Control Screen Touch the icon to enter control sub-menu. Figure 3.11 Control Screen Touch the icon to return to main screen no matter it’s in any screen of any sub-menu. Figure 3.12 Screen 1.0 «Control» and its Sub-Menus Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 41 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA On/Off UPS (Inverter) It will show “Turn on UPS?” when UPS Inverter is off. It will show “Turn off UPS?” when UPS Inverter is on. Touch “YES” to turn on or off the UPS Inverter. Then, the screen will return to main screen (screen 0.0).
  • Page 42 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Battery Test It will show “Battery Test” if the UPS is not in test. Touch “Yes” to start battery test. Then, it will show Battery testing during battery test period. After few seconds, battery test result will show on the screen. Touch “Back” to return to main screen immediately or “No”...
  • Page 43 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Audio Mute It will show “Mute all” if the audio is active. Touch “Yes” to activate mute. If “Mute all” is active, it will show icon on the top left corner of the main screen. Touch “Back” to return to CONTROL screen immediately or “No” to cancel this operation and back to CONTROL screen (screen 0.0).
  • Page 44 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA On-Off Charger It will show “Turn on Charger?” when the charger is off. It will show “Turn off Charger?” when the charger is on. Touch “YES” to turn on or off the charger. Or touch “NO” to cancel this operation. Then, the screen will return to the main screen.

  • Page 45: Measure Screen

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Exit parallel It will show “Exit Parallel?” when the units in parallel system. Touch “YES” to remove units from the parallel system. Or touch “NO” to cancel this operation. Then, the screen will return to the main screen.
  • Page 46 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 4. OUTPUT VOL: The real time value of L1, L2 and L3 output voltage, L1L2/L2L3/L3L1 voltage and frequency. Figure 3.23 Measure Screen Page 2 OUTPUT W: L1, L2, and L3 output power in Watt.

  • Page 47: Setting Screen

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 4. INPUT VA (%): L1, L2, and L3 input apparent power in percentage. 5. Input current: The real-time value of input current in L1, L2 and L3 phases. 6. Output current: The real-time value of output current in L1, L2 and L3 phases.
  • Page 48 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA General Setting Figure 3.26 Setting Screen Page 1 Language: Set the LCD language. There are three options: English, Simplified Chinese, and Traditional Chinese. English is default setting. 2. Input Source: Select the input source. There are two options: Line (utility) and generator. Line is default setting.
  • Page 49 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA • All Mute: When “enable” is selected, all the faults and warnings will be mute. It will show icon the top right corner of the main screen. • Mode Mute: UPS status mode alarm enable/disable. If “Mode Mute” is activated, it will show icon on the top right corner of the main screen.
  • Page 50 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.29 Password Error Screen Figure 3.30 Advance Setting Menu Screen There are three sub menus under “AdvanceÚUser” setting: ELECTRONIC, BATTERY and MISCELLANEOUS. Proprietary and Confidential ©2024 Vertiv Group Corp. 3 Operations...
  • Page 51 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Electronic Figure 3.31 Electrical Setting Screen 1 Output VOL: Select the output rated voltage. a. If the UPS is HV system, there are four options, 208V, 220V, 230V and 240V. b. If the UPS is LV system, there are two options, 120V and 127V.
  • Page 52 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.32 Electrical Setting Screen 2 Bypass UPS off: Select the bypass status when manually turning off the UPS. This setting is only available when “Bypass forbid.” is set to “Disable”. a. Enable: Bypass enabled. When selected, bypass mode is activated.
  • Page 53 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Battery Figure 3.33 Battery Setting Screen BATT Warning VOL: a. HIGH: High battery warning voltage. The setting range is 14.0V ~ 15.0V per battery block. 14.4V is default setting. b. LOW: Low battery warning voltage. The setting range is 10.1V ~ 14.0V per battery block. 11.4V is default setting.
  • Page 54 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA a. Enable: After “Enable” is set, no matter what the UPS previous status is, the UPS will restart to Online mode automatically after utility restores. b. Disable: After “Disable” is set, the UPS will operate normally. If the UPS shuts down due to low battery, the UPS will still restart to online mode after utility restores.
  • Page 55 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA CAUTION: This setting menu is only for qualified technician. Otherwise, mis-operation will cause UPS damage. There are nine sub-menus under AdvanceÚMaintainer setting: SYS PARAMETER, INSTALL INFO, VOL CALI, CURR CALI, INITIAL, ELECTRONIC, BATT, MISCELLANEOUS and UPS SELFTEST.
  • Page 56 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.38 SYS Parameter Screen 2 Float VOL: The setting point of battery float voltage. 13.6V is default setting. 2. UPS Type: There are two options, HV and LV. This change is only allowed for qualified technician.
  • Page 57 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Install Info Figure 3.39 Install Info Screen SYS Install Date: Set the date of UPS installation. 2. BAT Install Date: Set the date of Battery installation. 3. Date/Time: Set the date and time. The format is YYYY-MM-DD HH:MM:SS. The calendar day will be automatically changed when the year, month and date are set.
  • Page 58 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 2. BATT VOL: Battery voltage calibration. Click value columns and it will pop up . Then, each click is 0.1% no matter it is pressing up or down key . Press “up” key to increase 0.1% and press “down” key to decrease 0.1%.
  • Page 59 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.42 VOL CALI Screen 3 Inverter VOL: Inverter voltage calibration. Click value columns and it will pop up . Then, each click is 0.1% no matter it is pressing up or down key .
  • Page 60 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA • Output CURR: Output current calibration. Click value columns and it will pop up . Then, each click is 0.1% no matter it is pressing up or down key . Press “up” key to increase 0.1% and press “down” key to decrease 0.1%.
  • Page 61 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.46 Initial Parameters Page • PARAMETERS: After clicking “PARAMETERS”, it will pop up a message screen as shown in above screen. Touch “YES” to restore default value. Touch “Back” or “No” to cancel this operation and back to INITIAL menu page.
  • Page 62 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.48 Initial EEPROM Screen • EEPROM: After clicking “EEMPROM”, it will pop up a message board as shown in above screen. Touch “YES” to clear all setting value in EEPROM. Touch “Back” or “No” to cancel this operation and back to INITIAL menu page.
  • Page 63 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Electronic Figure 3.50 Electronic Setting Screen 1 Output VOL: Select the output rated voltage. a. When UPS is HV system, there are four options, 208V , 220V ,230V and 240V. b. When UPS is LV system, there are two options, 120V and 127V.
  • Page 64 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.51 Electronic Setting Screen 2 Bypass UPS off: Select the bypass status when manually turning off the UPS. This setting is only available when “Bypass forbid” is set to “Disable”. a. Enable: Bypass enabled. When selected, bypass mode is activated.
  • Page 65 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Battery Figure 3.52 Battery Setting Screen 1 Battery Warning VOL: a. HIGH: High battery warning voltage. The setting range is 14.0V ~ 15.0V per battery block. 14.4V is default setting. b. LOW: Low battery warning voltage. The setting range is 10.1V ~ 14.0V per battery block. 11.4V is default setting.
  • Page 66 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.53 Battery Setting Screen 2 Battery Study: When battery aging occurs, this function is to calibrate backup time estimation. It’s a self-learning function for battery. Currently, this function is not available.
  • Page 67 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Miscellaneous Figure 3.54 Miscellaneous Setting Screen Auto Restart: a. Enable: After “Enable” is set, no matter what the UPS previous status is, the UPS will restart to Online mode automatically after utility restores.

  • Page 68: Information Screen

    UPS Self Test Figure 3.55 UPS Self Test Screen NOTE: This operation should be performed only from Vertiv qualified personnel. This function is only effective when UPS type setting is HV. Therefore, disconnect all loads and utility first before executing this function.
  • Page 69 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.56 Basic Information Screen 1 Basic Information MCU Version: MCU version. 2. DSP Version: DSP version. 3. Serial NO.: The serial number of UPS. Manufacturer: The information about manufacturer. 5. Service Contact: The contact's name is set in “Basic Setting”.
  • Page 70 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA NOTE: In case the dynamic password is enabled, the Maintainer password will become dynamic and will change every day. In order to get this password, then, it will be necessary to contact your local dealer and the provided password will be valid only for that day.
  • Page 71 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Parameter Information Figure 3.59 Parameter Information Screen 1 Line VOL Range: The acceptable line input voltage range. Line FRE Range: The acceptable line input frequency range. Bypass VOL Range: The acceptable input voltage range for bypass mode.

  • Page 72: Data Log Screen

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Shutdown VOL: If battery voltage is lower this point, UPS will automatically shut down. Shutdown Delay: UPS will shut down in setting minutes. The countdown will start after confirming the pop-up screen.
  • Page 73 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3. In just a few seconds, the UPS will enter into AC mode. If the mains is abnormal, the UPS will operate in Battery mode without interruption. NOTE: When the UPS runs out battery, it will shut down automatically in Battery mode. When the mains is normalized, the UPS will auto restart in AC mode.
  • Page 74 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 5. When setting discharging time for 16.5 hours (default value from LCD menu), after discharging 16.5 hours, UPS will shut down automatically to protect the battery. Test the batteries: If you need to check the battery status when the UPS is running in AC mode/CVCF mode, you could touch “CONTROL”...
  • Page 75 6. Put in OFF position the Line input breaker, the Bypass input breaker and the Output switch. The fans and the LCD will switch OFF. The load, however, is still supplied from the Maintenance Bypass. Neutral Disconnection Figure 3.62 Breaker for Vertiv 20k Input Disconnect N 3 Operations Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 76 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Figure 3.63 Breaker for Vertiv 40k Input Disconnect N Figure 3.64 Breaker for Vertiv 80k Input Disconnect N Transfer from Maintenance Bypass Mode to Line Mode: Put in ON position the Line input breaker, the Bypass input breaker and the Output switch. The fans and the LCD will switch ON and the LCD will shown that the UPS is in Bypass Mode.

  • Page 77: Parallel Operation

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 2. Verify on the Home page of the display that the UPS is in Bypass Mode. 3. Put the Maintenance Bypass Switch in OFF position. The load is still supplied in Bypass mode.
  • Page 78 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA NOTE: If you would like to have more information regarding the parallel operation, contact supplier or service center for detail parallel operation instruction. 3. Remove units from the parallel system: a. Go to the CONTROL Page of the Display of the Unit that you would like to remove from the Parallel System and press Exit Parallel.

  • Page 79: Fault Code

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 3.6 Fault Code Fault Code Fault Event Fault Code Fault Event Bus start failure Charger fault Bus over Incorrect UPS setting Bus under MCU communication failure Bus unbalance Phase error on input and output...

  • Page 80: Dry Contact Port

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Warning Code Warning Event Warning Code Warning Event Over charge Unbalanced inverter current Low battery Cover of maintain switch is open Overload Utility extremely unbalanced Fan failure Bypass is unstable EPO enable...

  • Page 81: Dry Contacts Input

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Function Message Description UPS warning UPS is warning, but the UPS can still function normally EPO Active Urgently power off the UPS. Maintain Bypass The UPS transfers to Maintain bypass mode. Over temperature warning/shutdown The temperature is too high.
  • Page 82 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Table 3.1 Definition Contact Message Description BATCB When battery breaker or switch is disconnected, show an alarm(46). GENERATOR DETECTION Generator input, give a sign to ups to adapting. To activate one of these functions it is necessary to connect the “IN” port with the “OP” port and to supply power to this circuit.

  • Page 83: Troubleshooting

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 4 Troubleshooting If the UPS system does not operate correctly, solve the problem by using the Table 4.1 below . Table 4.1 Symptom, Possible Causes and Remedy Symptom Possible cause Remedy No indication and alarm in...
  • Page 84 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA This page intentionally left blank Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Troubleshooting...

  • Page 85: Storage And Maintenance

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 5 Storage and Maintenance 5.1 Storage Before storage, charge the UPS minimum for 7 hours. Store the UPS covered and upright position in a cool, dry location. During storage, recharge the battery in accordance with the Table 5.1 below .
  • Page 86 Replace the batteries with the same number, manufacturer, and type or equivalent. (Contact Vertiv representative for a list of approved batteries). WARNING! Risk of battery explosion. Do not dispose of batteries in a fire. An explosion can cause injury or death to personnel.

  • Page 87: Specifications

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA 6 Specifications Table 6.1 Specifications MODEL 10kVA 15kVA 20kVA 30kVA 40kVA 80kVA CAPACITY* 20kVA / 20KW 40kVA / 40KW 80kVA / 80KW Input Low Line Loss 110 VAC(Ph-N) ± 3 % at 50% Load; 176 VAC (Ph-N) ± 3 % at 100% Load...
  • Page 88 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Table 6.1 Specifications (continued) MODEL 10kVA 15kVA 20kVA 30kVA 40kVA 80kVA CAPACITY* 20kVA / 20KW 40kVA / 40KW 80kVA / 80KW Type 12V / 9 Ah 12V / 9 Ah Numbers (16+16) pcs...

  • Page 89: Appendices A

    Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA Appendices Appendix A: Technical Support and Contacts A.1 Technical Support/Service in the United States Vertiv Group Corporation 24x7 dispatch of technicians for all products. 1-800-543-2378 Liebert® Thermal Management Products 1-800-543-2378 Liebert® Channel Products 1-800-222-5877 Liebert®...
  • Page 90 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA This page intentionally left blank Proprietary and Confidential ©2024 Vertiv Group Corp. Appendices...
  • Page 91 Vertiv™ Liebert® MTP Online UPS User Manual 20-40-80kVA...
  • Page 92 Vertiv.com | Vertiv Headquarters, 505 N Cleveland Ave, Westerville, OH 43082 USA © 2024 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.

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