Page 2 - Safety Precautions; This manual must be read prior to installation.
Safety Precautions This manual contains information concerning the installation and operation of this Liebert APM modular UPS This manual must be read prior to installation. The UPS must be commissioned and serviced by engineers approved by the manufacturer (or its agent). Failure to do so could res...
Page 5 - Contents
Contents Chapter 1 Installation .......................................................................................................................................................... 1 1.1 Introduction .................................................................................................
Page 9 - Chapter 1 Installation; Preliminary Checks
Chapter 1 Installation 1 Liebert APM Modular UPS User & Installation Manual Chapter 1 Installation This chapter introduces the installation of Liebert APM modular UPS, including preliminary checks, location, positioning, cable connection and installation drawings. 1.1 Introduction This chapter d...
Page 12 - Installation procedures of power modules
4 Chapter 1 Installation Liebert APM Modular UPS User & Installation Manual 1.4.3 Clearances The UPS has no ventilation grilles at either side; therefore, no clearance is required at either side. To enable routine tightening of power terminations within the UPS, in addition to meeting any local ...
Page 13 - Protective Devices; Overcurrent
Chapter 1 Installation 5 Liebert APM Modular UPS User & Installation Manual Power module A amplified view Fixing holes DIP switch Ready switch A Figure 1-2 Installing power module Installation procedures of Optional output distribution modules Use the following procedures of install the output d...
Page 14 - Earth Leakage; Maximum Steady State AC And DC Currents
6 Chapter 1 Installation Liebert APM Modular UPS User & Installation Manual Earth Leakage Any residual current detector (RCD) installed upstream of the UPS input supply must: z be sensitive to DC unidirectional pulses (Class A) in power distribution network z be insensitive to transient current ...
Page 15 - Distance From Floor To Connection Point On The Equipment
Chapter 1 Installation 7 Liebert APM Modular UPS User & Installation Manual 1. Protective earth cable: Follow the most direct route possible to connect the earth cable to the cabinet. The earth cable shall be sized in accordance with the AC supply fault rating, cable lengths and type of protecti...
Page 16 - Optional Matching Battery Cabinet
8 Chapter 1 Installation Liebert APM Modular UPS User & Installation Manual at the rear of the UPS cabinet. Tighten the output neutral bar connections to 5Nm (M6 bolt). Ensure correct phase rotation. z In case output distribution modules are not installed, please connect the output cables betwee...
Page 17 - Control And Communications
Chapter 1 Installation 9 Liebert APM Modular UPS User & Installation Manual Figure 1-5 Battery Cabinet Details Figure 1-6 Battery Connection 1.7 Control And Communications As shown in Figure 1-7, the bypass module provides dry contact ports (J5 ~ J10) and communication ports (RS232 port and SNMP...
Page 19 - Maintenance Bypass Switch And Output Switch State Port
Chapter 1 Installation 11 Liebert APM Modular UPS User & Installation Manual 1.7.2 BCB Port J6 is the battery circuit breaker (BCB) port. The port is shown in Figure 1-6 and described in Table 1-9. J6 OL GN D FB DRV 12V 12V 12V Figure 1-9 BCB port Table 1-6 BCB port description Position Name Des...
Page 21 - Installation Drawing
Chapter 1 Installation 13 Liebert APM Modular UPS User & Installation Manual 1.7.6 Other Communication Interface The RS232 port provides serial data and is intended for use by authorized commissioning and service personnel in UPS commissioning and service. Liebert APM UPS has facility of interna...
Page 24 - Chapter 2 Operation; Brief Introduction
16 Chapter 2 Operation Liebert APM Modular UPS User & Installation Manual Chapter 2 Operation This chapter introduces the basic knowledge of UPS operation, including the operating theory, operation mode, battery management and battery protection of the UPS. Warning: hazardous mains and battery v...
Page 25 - Operation Mode
Chapter 2 Operation 17 Liebert APM Modular UPS User & Installation Manual 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...
Page 26 - Battery Management
18 Chapter 2 Operation Liebert APM Modular UPS User & Installation Manual interruption is programmable but typically set to be less than 3/4 of an electrical cycle, for example, less than 15ms (50Hz) or less than 12.5ms (60Hz). 2.2.5 Maintenance Bypass Mode If UPS maintenance or repaired is need...
Page 27 - Battery Protection; Battery low warning
Chapter 2 Operation 19 Liebert APM Modular UPS User & Installation Manual 2.3.2 Advanced Function —— Battery Self-Test And Self-Service At periodic intervals 20% of the rated capacity of the battery will be discharged automatically. The minimum amount of load must exceed 20% of the nominal ratin...
Page 28 - Chapter 3 Operating Procedures; Chapter 4 Operator Control And; Power Switches
20 Chapter 3 Operating Procedures Liebert APM Modular UPS User & Installation Manual Chapter 3 Operating Procedures This chapter provides detailed operating procedures of the UPS. All control keys and LED indication mentioned in these procedures are identified in Chapter 4 Operator Control And D...
Page 30 - Procedures Of Transfer Between Operation Modes; Transfer From Normal Mode To Battery Mode; Transfer From Bypass Mode To Normal Mode
22 Chapter 3 Operating Procedures Liebert APM Modular UPS User & Installation Manual Battery start button Figure 3-2 Location of battery start button 3.3 Procedures Of Transfer Between Operation Modes 3.3.1 Transfer From Normal Mode To Battery Mode Open the input switch to cut off the mains inpu...
Page 31 - Powering Down The UPS; Transfer From Normal Mode To Maintenance; Emergency Shutdown Procedures; Selecting Display Language
Chapter 3 Operating Procedures 23 Liebert APM Modular UPS User & Installation Manual 3. Open the input switch and output switch. Caution 1. The load is not protected from normal supply aberrations when the UPS is operating in maintenance bypass mode. 2. After the UPS is transferred to maintenanc...
Page 32 - Changing The Current Date And Time
24 Chapter 3 Operating Procedures Liebert APM Modular UPS User & Installation Manual 3.8 Changing The Current Date And Time To change the system date and time, carry out the following procedures: 1. From the Output menu, press the F3 or F4 (left or right) key as needed to select the Settings men...
Page 33 - Chapter 4 Operator Control And Display Panel
Chapter 4 Operator Control And Display Panel 25 Liebert APM Modular UPS User & Installation Manual Chapter 4 Operator Control And Display Panel This chapter expounds the functions and use of the components on the operator control and display panel of the UPS, and provides LCD display information...
Page 35 - LCD Screen Types
Chapter 4 Operator Control And Display Panel 27 Liebert APM Modular UPS User & Installation Manual 4.1.4 LCD And Menu Keys The operator control and display panel provides an LCD and five menu keys (F1, F2, F3, F4, F5). The menu keys are described in Table 4-5. Table 4-5 Menu key description Func...
Page 37 - Detailed Description Of Menu Items; System information window; Menu window and data window
Chapter 4 Operator Control And Display Panel 29 Liebert APM Modular UPS User & Installation Manual 4.2.3 Default Screen During UPS operation, if there is no alarm within two minutes, the default screen will appear, as shown in Figure 4-5. After a short delay, the LCD backlight will turn off. Pre...
Page 39 - Keypad window; Prompt Windows
Chapter 4 Operator Control And Display Panel 31 Liebert APM Modular UPS User & Installation Manual Menu Item Explanation Battery maintenance test This test performs a partial discharge of the battery to obtain a rough estimate of the battery capacity. Load must be between 20% and 100% Battery ca...
Page 43 - Chapter 5 Service; Distribution Module; Power Module Replacement Procedures
Chapter 5 Service 35 Liebert APM Modular UPS User & Installation Manual Chapter 5 Service This chapter introduces the UPS service, including the service procedures of the power module, bypass module and output distribution module, and the replacement of air filter. 5.1 Replacement Procedures Of ...
Page 44 - Output Distribution Module replacement Procedures; Replacement Procedures Of Air Filter
36 Chapter 5 Service Liebert APM Modular UPS User & Installation Manual 6. After servicing the module, push the module (at least 10s after another) into the cabinet, and tighten the screws on both sides. 7. Close the UPS output switch and input switch in turn. Two minutes later, the bypass indic...
Page 45 - Chapter 6 Specifications; Conformity And Standards; Environmental Characteristics; Mechanical Characteristics
Chapter 6 Specifications 37 Liebert APM Modular UPS User & Installation Manual Chapter 6 Specifications The chapter provides the UPS specifications. 6.1 Conformity And Standards The UPS has been designed to conform to the European and international standards listed in Table 6-1. Table 6-1 Europe...
Page 48 - Efficiency, Heat Losses And Air Exchange
40 Chapter 6 Specifications Liebert APM Modular UPS User & Installation Manual 6.7 Electrical Characteristics (Bypass Mains Input) Table 6-7 Bypass mains input Rated power (kVA) Unit 30 ~ 150 Rated AC voltage 1 Vac 380/400/415, three-phase four-wire, sharing neutral with the rectifier input and ...
Page 49 - Appendix 1 BCB Model Selection And Connection; UP; UPS
Appendix 1 BCB Model Selection And Connection 41 Liebert APM Modular UPS User & Installation Manual Appendix 1 BCB Model Selection And Connection Table 1 Selection reference table of BCB rated current and connection cable cross CSA Rated power (kVA) Unit 30 60 90 120 150 Max battery discharge cu...
