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Emerson Liebert APM 90 User Manual

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User Manual – APM 90 Integrated Modular UPS

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Summary of Contents for Emerson Liebert APM 90

  • Page 1 Liebert ® ™ User Manual – APM 90 Integrated Modular UPS...

  • Page 3: Product Safety

     Near heat sources or strong electromagnetic interferences  Disclaimer Emerson disclaims any and all responsibility or liability for the defection or malfunction caused by: Application range or operating environment outside the specifications  Unauthorized modification, improper installation or operation ...

  • Page 4: Safety Precautions

    This manual contains information concerning the installation and operation of this Emerson APM 90 Integrated Modular UPS (UPS for short). This manual must be read carefully prior to installation.
  • Page 5 Warning: backfeed protection This UPS is fitted with a voltage-free contact closure signal for use with an external automatic disconnect device (supplied by others) to protect against back-feeding voltage into the static bypass input. If this signal is not used by the installer, a label must be added at the external bypass input disconnect device to warn service personnel that the circuit is connected to a UPS.
  • Page 6 This Manual Describes The Following UPS Products Product Model Description Liebert APM 90 APM 0090kMJ16FN01000 With common distribution basic Liebert APM 90 APM 0090kMJ16FN01001 unit built-in Liebert APM 90 APM 0090kMJ16FN01002 With SPM unit built-in...
  • Page 7 Update the content in 10.4 Service Procedures Of Power Module, Bypass Module And Output Distribution Module. V1.2 (April 30, 2014) Optimize Table 3-3 and Table11-4; add Hazardous Substances Or Elements Announcement in Appendix 2. V1.3 (October 10, 2014) Change the address of Emerson Network Power Co., Ltd.

  • Page 8: Table Of Contents

    Contents Chapter 1 Overview..............................1 1.1 Features ................................1 1.2 Design Concept ..............................1 1.2.1 System Design ............................... 1 1.2.2 Bypass................................2 1.2.3 System Control Principle ..........................3 1.2.4 UPS Power Supply Switch Configuration......................4 1.2.5 BCB ................................4 1.3 Operation Mode ..............................4 1.4 Battery Management ............................
  • Page 9 3.2.2 Input Dry Contact Port ..........................22 3.2.3 BCB Port ............................... 22 3.2.4 Maintenance Switch And Output Switch State Port ..................23 3.2.5 Output Dry Contact Port ..........................23 3.2.6 Remote EPO Input Port ..........................24 3.2.7 RS485 Port, RS232 Port And Intellislot Port ....................24 Chapter 4 Operator Control And Display Panel ....................26 4.1 Introduction ..............................
  • Page 10 5.13 Command Password ............................44 Chapter 6 Battery ...............................45 6.1 Introduction ..............................45 6.2 Safety ................................45 6.3 UPS Battery..............................46 6.4 Precautions For Installation Design ........................47 6.5 Battery Installation Environment And Number Of Batteries ................47 6.5.1 Installation Environment: ..........................47 6.5.2 Number Of Batteries ............................
  • Page 11 Chapter 10 Service And Maintenance ........................67 10.1 Safety ................................67 10.2 Key Components And Service Life Of UPS ....................... 67 10.2.1 Magnetic Components: Transformers, Inductors ..................67 10.2.2 Power Semiconductor Component ......................67 10.2.3 Electrolytic Capacitor ..........................67 10.2.4 AC Capacitor .............................. 68 10.2.5 Service Life And Recommended Replacement Time Of Key Component ............

  • Page 13: Chapter 1 Overview

    Chapter 1 Overview This chapter introduces the features, design concept, operation mode, battery management and battery protection of Emerson APM 90 Integrated Modular UPS (UPS for short). 1.1 Features The UPS is connected between the mains and the critical loads (e.g. computer) to provide high quality power for the loads.

  • Page 14: Bypass

    During normal operating conditions, the inverter output and bypass supply must be fully synchronized so as to achieve a clean (no-break) load transfer between the inverter output and static bypass line. The synchronization between the inverter output and static bypass is achieved through the inverter control Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 15: System Control Principle

    The transfer is determined first of all by the features of the protection device of the system. In the above two situations, the UPS operation control panel will display alarm message. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 16: Ups Power Supply Switch Configuration

     Battery mode  Bypass mode  Maintenance mode (manual bypass)  Automatic restart mode  ECO mode  Dormancy mode  Frequency converter mode  Dual bus (LBS) system mode  Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 17 3/4 of an electrical cycle, for example, less than 15ms (50Hz) or less than 12.5ms (60Hz). Static switch Static switch UPS output UPS output Mains input Mains input Output switch Input switch Output switch Input switch Figure 1-5 Schematic diagram of bypass mode Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 18 Battery Charger Charger 电池 电池充电器 Figure 1-7 Schematic diagram of ECO mode The ECO mode configuration requires a different setup in the default menu configuration through the operator control and display panel. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 19: Battery Management

    For VRLA batteries, the float charge voltage should be between 2.2V/cell and 2.3V/cell. 4. Float charge temperature compensation (optional). The temperature compensation coefficient can be set as required by the type of battery. 5. EOD protection. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 20: Advanced Function

    BCB open alarm This warning occurs when the BCB opens. The battery is connected to the UPS through the BCB, which is manually closed and electronically tripped by the UPS control circuits. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 21: Chapter 2 Mechanical Installation

    2. Unpack the UPS, visually examine the UPS and check if there is any external or mechanical damage. If you spot any damage, seek assistance from the local customer service center of Emerson. 3. Verify that the correct UPS is being installed. The UPS has an identification tag on the back of the front door reporting the model, capacity and parameters of the UPS.

  • Page 22: Environmental Requirement

    During storage, periodically charge the battery according to the battery manufacturer instructions. In the charge process, temporarily connect the UPS to the mains for the time required for recharging the battery to activate the battery. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 23: Mechanical Requirement

    The UPS structure is shown in Figure 2-1. The UPS component configuration is provided in Table 2-1. SPM monitoring module SPM监控模块 Output distribution module 输出配电模块 Switch unit 开关单元 旁路模块 Bypass module Power module 功率模块 Figure 2-1 UPS structure Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 24: Moving The Cabinet

    4. The cabinet can be pushed forward or backward only. Pushing it sideward is not allowed. When pushing the cabinet, take care not to overturn it as the gravity center is high. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 25: Clearances

    Refer to Figure 2-2, and use the following procedures to install the power module: DIP switch DIP switch Fixing hole Fixing hole Ready switch Ready switch A amplified view A Amplified view Power module Power module Figure 2-2 Installing power module Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 26 2. Insert the output distribution module in the installation position, and push it into the cabinet. 3. Secure the module to the cabinet through the fixing holes on both sides of the front panel of the module. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 27: Installation Diagram

    Front view Side view Back door Back door Bottom view Bottom view Top view (front and back doors open) Top view (front and back doors open) Figure 2-3 UPS installation dimensions (unit: mm) Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 28: Chapter 3 Electrical Installation

    /Neutral Battery (kVA/kW) input output/bypass ded torque discharge current current (N.m) 380V 400V 415V current at EOD 90/90 100/90 265/265/132 72/72 80/72 213/213/106 54/54 60/54 160/160/80 36/36 40/36 106/106/53 18/18 20/18 53/53/26 Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 29: Minimum Distance From Floor To Ups Connection Point

    Warning Failure to follow adequate earthing procedures may result in EMI or hazards involving electric shock and fire. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 30: External Protective Device

    The operations described in this section must be performed by authorised personnel. If you have any questions, please contact the local customer service center of Emerson immediately. Once the UPS has been finally positioned and secured, connect the power cables as described in the following procedures.
  • Page 31 1) If output distribution modules are configured, connect the L cables, N cables and PE cables between the output terminals of the output distribution modules and the load according to Figure 3-3. Tighten the bolts (M6) to 5Nm. Ensure correct phase rotation. Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 32 (see Figure 3-5) on the front of the UPS cabinet and the loads. Connect the output PE cable to the output PE terminal (see Figure 3-2) on the back of the cabinet. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 33: Wiring Of Signal Cable

    UPS when relevant terminals and the +12V terminals are shorted. All control cables must be routed separately from the power cables and parallel cables, and must be double insulated. For maximum run between 20m and 30m, the typical CSA should be from 0.5mm to 1.5mm Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 34: Input Dry Contact Port

    BCB driver signal - (reserved) J6.2 BCB contact state - (reserved) J6.3 Power ground J6.4 BCB online - input (normally open): This pin will become active when the BCB port is connected Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 35: Maintenance Switch And Output Switch State Port

    Figure 3-11 and described in Table 3-6. The shunt trip coil of the external air breaker can be driven directly through this dry contact. The shunt trip coil of the external air breaker should be 250Vac/5A or 24Vdc/5A. Figure 3-11 Output dry contact port Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 36: Remote Epo Input Port

    UPS commissioning and service. The three Intellislot ports are used to install optional communication cards at site, including relay card, Modbus card, SIC card and UF-RS485 card. For details, refer to Chapter 8 Option. Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 37 Intellislot 1 port. 2. Intellislot 2 port shares communication resource with the SPM monitoring module. If the SPM monitoring module is configured, optional communication cards cannot be installed in Intellislot 2 port. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 38: Chapter 4 Operator Control And Display Panel

    LCD menu keys 4.1.1 LED Indicators The LED indicators mounted on the mimic power flow chart represent the various power paths and current UPS operational status. The indicators are described in Table 4-2. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 39: Audible Alarm (Buzzer)

    Restart the UPS (subject to any fault being cleared) Audible alarm When an alarm is active, pressing this button silences the audible alarm. SILENCE ON/OFF silencing switch Pressing this button again enables the buzzer again Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 40: Lcd And Menu Keys

    After the UPS starts and finishes self-test, the primary screen appears, as shown in Figure 4-3. The primary screen is divided into four windows: system information window, menu window, data window and keypad window. Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 41 L-N voltage (V) 220.6 220 .0 220.0 L-N current (A) Please select module Frequency (HZ module 1 50.1 module 2 L-L voltage (V) 381.5 module 3 Power factor OutPut Figure 4-4 Selecting power module Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 42: Default Screen

    L-N current (A) Phase current Mains Frequency (Hz) Input frequency L-L voltage (V) Line voltage Power factor Power factor L-N voltage (V) Phase voltage Bypass Frequency (Hz) Bypass frequency L-L voltage (V) Line voltage Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 43 Sets the communication baud rate of the RS232 port Comm2 baud rate For internal communication. Not settable Comm3 baud rate Sets the communication baud rate of the SIC card ports Communication address Applicable to RS485 communication Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 44: Prompt Window

    This operation leads to output The bypass is abnormal, turning off the inverters will cause the load to be shutdown, confirm or cancel de-energised Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 45: Alarm List

    Rectifier Over Current The rectifier has overcurrent fault The rectifier can not start owing to low DC bus voltage. Seek assistance from the local Soft Start Fail customer service center of Emerson Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 46 2. If this alarm is true, measure the actual output current to confirm if the displayed value is correct. 3. If yes, disconnect the non-critical load. In a parallel system, this alarm will be triggered if the load is severely unbalanced Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 47 The battery ground fault option has detected a battery ground fault. Contact the local Battery ground fault customer service center of Emerson to inspect the battery installation INVERTER ON button activated on the operator control and display panel to turn on the...
  • Page 48 If the alarms are caused by the values set by the Emerson-authorized commissioning engineer using the configuration software, and the user need to change the setting values, please contact the local customer service center of Emerson. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 49: Chapter 5 Operating Instructions

    (locked) and output distribution switches. Output distribution switch 输出配电开关 输出配电开关 Output distribution switch Input switch Output switch 输出开关 输入开关 Maintenance switch (locked) 维修开关（带锁） Figure 5-1 Position of power switches Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 50: Ups Start-Up Procedures

    The UPS begins to operate in normal mode, and the states of the indicators are as shown in Table 5-2. Table 5-2 Indicator state Indicator State Rectifier indicator Green Battery indicator Bypass indicator Inverter indicator Green Load indicator Green Status indicator Green Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 51: Start-Up Procedures (Into Battery Mode, Battery Cold Start)

    5.3.4 Transfer From Normal Mode To Maintenance Mode When the UPS is operating in normal mode, use the following procedures to transfer the load from the inverter output to the maintenance bypass. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 52: Transfer From Maintenance Mode To Normal Mode

    UPS transfers from bypass mode to normal mode, and the inverter indicator begins to illuminate constantly. At the moment, the load has been transferred to the inverter supply Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 53: Battery Maintenance Test Procedures

    (enter) key to confirm. 2. Upon screen prompt, press the F3 (up) and F4 (right) keys to enter the password. Press the F5 (enter) key to confirm. 3. Wait until the system test is finished. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 54: Ups Shutdown Procedures

    The system will turn off the rectifiers, inverters and stop powering the load immediately (including the inverters and bypass), and the battery stops charging or discharging. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 55: Ups Reset Procedures

    4. Press the F5 (enter) key to accept the language selection. 5. Return to the OutPut menu by repeatedly pressing the F2 (ESC) key as needed; all text on the LCD will now be displayed in the selected language. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 56: Changing The Current Date And Time

    6. Press the F5 (enter) key to save the settings, then press the F2 (ESC) key to return to the OutPut menu. 5.13 Command Password Password protection is used to limit the control functions accessible to the operator. This password provides access to UPS and battery test functions. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 57: Chapter 6 Battery

    The requirements on torque specified in the instructions or user manual provided by the battery manufacturer shall be satisfied. All connections between the terminals and the batteries shall Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 58: Ups Battery

    Otherwise, the battery inconsistency will cause frequent over-discharge or under-charge of certain battery. At last, the battery will have premature failure, and the entire string of battery will have insufficient backup time. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 59: Precautions For Installation Design

    Igas―The gas evolving current density under battery float charging or equalizing charge conditions, the unit is mA/Ah Igas=1, under the float charging condition of 2.27V/cell Igas=8, under the equalizing charge condition of 2.35V/cell Crt―20hr battery rated capacity Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 60: Number Of Batteries

    Short circuit protection  Automatic tripping function  To obtain the required backup time, the batteries may be connected in parallel. In this case, each battery string must be connected to a separate BCB. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 61: Battery Installation And Connection

    6. After cable connection, it is prohibited to pull the battery cables or the cable terminals. 7. Do not cross the battery cables during connection, and do not tie the battery cables together. 8. Refer to Figure 6-1 for the battery cable connection. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 62: Battery Room Design

    With this function, we can adjust the float charging voltage of the battery to make it inversely proportional to the ambient temperature of the battery cabinet/chamber, so as to prevent the over-charge of the battery under high ambient temperature. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 63: Reference Current And Connection Of Bcb

    4*. When the UPS output power factor is 0.9, the battery current is the same as that of power factor to 1. For example, the battery current of 100kVA/90kW is equal to 90kVA/90kW. Figure 6-3 Connections between battery, BCB and UPS (4 wires at battery side) Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 64: Battery Maintenance

    Random discard or any other improper disposal of the disused lead-acid storage battery may cause severe environment pollution and the relevant person will be investigated of corresponding legal responsibilities. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 65: Chapter 7 Dual Bus System

    The wiring of power cables is similar to that of single module system. The bypass and the main input sources must be referenced to the same neutral potential, and the input earth leakage monitoring devices, if installed, must be located upstream of the common neutral sinking point. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 66: Lbs Cable

    UPS 1 UPS 2 UPS 2 UPS 1 Bypass module Bypass module Bypass module Bypass module Figure 7-3 Connection of typical dual bus system of two single UPSs with redundancy LBS cable Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 67: Chapter 8 Option

    Intellislot 1 port. 2. Intellislot 2 port shares communication resource with the SPM monitoring module. If the SPM monitoring module is configured, optional communication cards cannot be installed in Intellislot 2 port. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 68: Battery Temperature Sensor

    If you need to monitor the UPS through network, you may select the SIC card, which supports SNMP protocol. The SIC card is a network management card. It can make the UPS made by Emerson real network equipment. It can also be connected to the IRM series sensor to provide environment monitoring function. When the intelligent equipment generates an alarm, the SIC card can notify the user by recording the log, sending trap information and sending a mail.
  • Page 69 GND, common GND common GND Others Cable options Emerson provides three cable options to connect the DB25 connector of the relay card, to suit the user's different requirements on the functions of the connector. Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 70 This end is labelled 'UPS' This end is labelled "UPS" 560 ohm/1W 560 ohm/1W DB25 male (pin-type) DB25 male (pin-type) DB25 male (pin-type) DB25 male (pin-type) Figure 8-5 Appearance and wiring schematic of cable 3 (UFDRY21SL3) Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 71 1. The DB25 connector must connect to SELV circuit. Failure to observe this could cause damage to the relay card and even lead to safety accidents. 2. The external equipment must meet the electrical parameter requirement in Table 8-2, failure to observe this could cause damage to the dry contact output terminal. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 72: Modbus Card

    Remove the Intellislot port cover on the front panel of the control module on the top of the UPS bypass cabinet. Save the screws. b) Align the UF-RS485 card with the Intellislot port, insert the card into the port along the grooves on both sides of the port. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 73: Lbs Adapter

    The switch should be placed to right if the LBS adapter is connected to an APM 90 UPS; it should be SWITCH placed to left if the LBS adapter is connected to a non-APM 90 UPS Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 74 LBS cable with an RJ45 port to the J4 port of the bypass module of the UPS. c) Connect the communication cable (up to 150m) to the COM2 port of each LBS adapter. d) Place the switch of both LBS adapters in the right position. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 75: Sitemonitor Monitoring Software

    Nfinity, NX, Hipulse, Hipulse U), air-conditioner (CM+, DataMate3000, DME, Deluxe), and LTS series STS developed by Emerson. It can also perform centralized monitoring over various ambient signals, such as temperature, humidity, smoke and fog, water logging, infrared, through optional equipment developed by Emerson, like UPS ambient signal adapter.

  • Page 76: Basic Unit For Common Distribution

    MCB or replace each MCB to adjust the branch capacity. Hence, load distribution can be adjusted in equipment operation. Liebert APM 90 Integrated Modular UPS User Manual...
  • Page 77 In addition, the MCB configurations provided in Table 8-7 are also available for users' selection. Table 8-7 MCB configuration (optional) Switch capacity Pole number of switch Switch quantity (pcs) 10A, 16A, 25A Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 78: Chapter 9 Communication

    EPO. These functions are realized through the following interfaces on the external interface board (EIB): Input dry contact port  Output dry contact port  EPO input port  Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 79: Chapter 10 Service And Maintenance

    To ensure the safety and stability of the UPS system, the user must replace the electrolytic capacitors by the end of their service life. It is recommended to replace the electrolytic capacitors after five to six years in service. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 80: Ac Capacitor

    3. Remove the air filter, and insert a clean one. 4. Replace the fixing bar. Fixing bar Fixing bar Fixing bar Fixing bar Air filters Air filters Air filters Air filters Figure 10-1 Replacing air filter Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 81: The Maintenance Of Ups And Options

    5. Push the module (at least 10s after another) into the cabinet, and tighten the screws on both sides. 6. Wait for two minutes, place the ready switch of the module to the down position, and the module will connect to the system. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 82: Service Procedures Of Bypass Module

    4. After servicing the module, verify that all output distribution switches of this module are open. 5. Insert the module into the cabinet, and tighten the screws on both sides. 6. Connect the cables back to the output terminals of this module. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 83: Chapter 11 Specifications

    Dimensions (W × D × H) 480 × 645 × 130 600 × 1100 × 2000 Net weight Gross weight Color Black ZP7021 Protection degree, IEC (60529) IP20 (front door and back door open or closed) Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 84: Electrical Characteristics (Input Rectifier)

    Boost-float current trigger 0.010C (selectable from 0.001 to 0.025) Boost control 24h safety time timeout (selectable from 8h to 30h) Boost mode inhibit also selectable EOD voltage V/cell (VRLA) 1.67 (selectable from 1.60 to 1.85) Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 85: Electrical Characteristics (Inverter Output)

    Upper limit: +10%, +15% or +20%, default: +15%; Bypass voltage tolerance %Vac Lower limit: -10%, -15%, -20%, -30% or -40%, default: -20% ±10% or ±20%, default: ±20% Bypass frequency tolerance Rated frequency ±0.5, ±1, ±2, ±3 (optional) Synchronisation window Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 86: Efficiency, Heat Losses And Air Exchange

    ECO mode 0.36 0.72 1.08 1.76 No load Maximum forced air cooling (front intake, back exhaust) Above condition applicable to voltage input and output range set at 400V and battery remains fully charged. Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 87: Appendix 1 Glossary

    Moulded-case circuit breaker Protective earth Pulse width modulation RCCB Residual current circuit breaker Residual current detector Silicon-controlled rectifier Static transfer switch SVPWM Space vector pulse width modulation Uninterruptible power system VRLA Valve-regulated lead-acid Liebert APM 90 Integrated Modular UPS User Manual...

  • Page 88: Appendix 2 Hazardous Substances Or Elements Announcement

    ×: Means the content of the hazardous sustances in at least one of the average quality materilals of the parts is outsides the limits specified in SJ/T-11363-2006 Emerson Network Power Co., Ltd. has been committed to the design and manufacturing of environment-friendly products. It will reduce and eventually eliminate the hazardous substances in the products through unremitting efforts in research.
  • Page 89 Network Power service technicians. While every precaution has been taken to ensure the accuracy and completeness of this literature, Emerson Network Power assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions.

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