Page 3 - Contents
Contents Chapter 1 Introduction .....................................................................................................................1 1.1 Basics .................................................................................................................................1 1.2 Con...
Page 5 - Level C Lightning Protection System
Chapter 8 Parallel System .............................................................................................................87 8.1 System Introduction ..........................................................................................................87 8.1.1 Basics ...................
Page 7 - Chapter 1 Introduction; It also has advanced network management functions.
Chapter 1 Introduction 1 Chapter 1 Introduction 1.1 Basics The Liebert iTrust UPS System is connected between the utility source and the critical load to provide uninterruptible power to the load. The power from the UPS being free of voltage and frequency variation and disturbances from utility. The...
Page 8 - Operation Theory; The UPS circuit diagram is shown in Figure 1-2.
Chapter 1 Introduction 2 1.3 Operation Theory The UPS circuit diagram is shown in Figure 1-2. V N U TR2 BN N2 A2 W BP C1 B1C1 B1 A1 DZN6 Q5 AC3 FU4 KM1 FU6 Res2 TR1 L1 AC2 Q2 + DC1 KA1 FU2 Res1 Q1 FU5 Q3BP FU1 AC4 FU3 Res3 KM2 Figure 1-2 Main circuit of UPS The utility source is input at Q1 and flow...
Page 9 - Structure and Layout
Chapter 1 Introduction 3 The double DSP and MCU form the full digital control system to realize the powerful function of the UPS. The switching between the operation modes is realized by controlling the bypass static switch and the inverter static switch. Advanced battery management prolongs battery...
Page 10 - Operation Modes
Chapter 1 Introduction 4 Front view 1:Fan 2:rectifier 3: softstart relays 4:contactor 5: two auxiliary power supply boards ULW2L61M5 6: D level lightning protection device SPD12Z 7: Hall current sensor 8:battery input terminals 9:circuit breaker Q3BP for maintenance 10:rectifier input circuit breake...
Page 11 - Mains
Chapter 1 Introduction 5 - ~ ~ - Mains output Bypass Figure 1-5 Normal mode 2. Battery Mode When the utility fails, the UPS system will switch to battery mode without interruption and the battery will power the load through the inverter. The UPS can return to normal mode automatically when the utili...
Page 12 - output; Output
Chapter 1 Introduction 6 4. ECO Mode If the load has no requirement for power quality but has a high requirement for efficiency, then the UPS can be set in ECO mode. In this mode, the system will power the load through the static bypass switch and the rectifier will charge the batteries. When the by...
Page 13 - United Power Mode; This mode can only be set by qualified personnel only.; Parallel Operation mode
Chapter 1 Introduction 7 6. United Power Mode When the utility is not available and the capacity of the generator set is inadequate to support the load, the battery will power the load together with the generator automatically. The operating time under this mode should not exceed the autonomy time o...
Page 14 - Basic Functions; Functional Parameters
Chapter 1 Introduction 8 ~ Mains - - ~ output Bypass Fig 1-12 1.6 Basic Functions Battery Management Function - The UPS has advanced battery management functions including battery fault detection and backup time forecast. Soft Start Function - Complete delay soft start function can reduce the surge ...
Page 15 - Parameters of Liebert iTrust UPS are given in Table1-1
Chapter 1 Introduction 9 Parameters of Liebert iTrust UPS are given in Table1-1 Capacity 20kVA 30kVA 40kVA 60kVA Model UL33-0200L UL33-0300L UL33-0400L UL33-0600L Input Voltage 380/400/415V(line-to-line voltage) AC Power Input Three-phase three-wire Power Factor >0.99 Harmonic Current <4%(Volt...
Page 17 - Electrical Parameters; Table 1-2 electrical parameters
Chapter 1 Introduction 11 Capacity 20kVA 30kVA 40kVA 60kVA Model UL33-0200L UL33-0300L UL33-0400L UL33-0600L Insulation Resistance >2M(500VDC) Dielectric Strength (input to earth, output to earth)2820Vdc, leakage current lower than 3.5mA, 1min without arc Surge Immunity Satisfy the class IV requi...
Page 19 - Chapter 2 Cabinet Installation; Environmental Conditions; Operating Temperature : 0
Chapter 2 Cabinet Installation 13 Chapter 2 Cabinet Installation 2.1 Environmental Conditions Operating Temperature : 0 ~ 40 ° C Storage Temperature: -40 ~ 70 ° C(with no battery) -20 ~ 55 ° C(with battery) Relative Humidity:5% ~95 %, no condensation Cooling method : Fan cooling Elevation:1500m Maxi...
Page 22 - Transportatio with Forklift; Positioning of UPS; Note; There are three kinds of positioning methods:
Chapter 2 Cabinet Installation 16 2.4 Transportation 1. Hoisting the UPS Prepare four cables of length 1.5 m and the weight bearing capacity of each cable of 1.5 tons. The UPS has four lifting rings and should be installed at the top of the UPS 2. Transportatio with Forklift The UPS can be raised by...
Page 23 - Fixed position without a base; At the edge of the conduit, drill holes for fixing expansion bolts; Fixed cabinet position on a base
Chapter 2 Cabinet Installation 17 2. Fixed position without a base In earthquake prone areas, place UPS on a conduit as shown in Figure 2-6. 1. At the edge of the conduit, drill holes for fixing expansion bolts 2. Hoist the cabinet at least 250 mm to remove the four leveling bolts. Take off the plas...
Page 26 - Layout of Cabinet; One UPS cabinet and one battery cabinet; Capacity expansion must be considered into layout design.; One UPS cabinet and several battery cabinets
Chapter 2 Cabinet Installation 20 2.8 Layout of Cabinet Besides the UPS cabinet, there are also battery cabinets, input/output distribution cabinet and cabinet for bypass transformer. All these cabinets should be laid out correctly. The layout of battery cabinet and UPS cabinet is shown below. 1. On...
Page 29 - Chapter 3 Electrical Assembly; Selection of cables; Current carrying capacity of cables; Calculation of current of power cables; Power cables are selected according to two factors - 3 – 5 A/mm
Chapter 3 Electrical Assembly 23 Chapter 3 Electrical Assembly This chapter introduces the connection methods of the power and signal cables. 3.1 Selection of cables 3.1.1 Current carrying capacity of cables The current carrying capacity can be selected according to the voltage drop and permissible ...
Page 30 - Cable connections
Chapter 3 Electrical Assemble 24 protective earth cable and lightning protection earth cable, should be 0.5 times of phase cable. The relationship between the current and cross-sectional area is shown in Table 3-2. Table3-2 Recommended cross sectional area of cables 20kVA 30kVA 40kVA 60kVA Name Curr...
Page 31 - the UPS
Chapter 3 Electrical Assembly 25 Battery cables UPS inputinput N UPS outputoutput N Fig. 3-1 20/30kVA UPS bottom cable output Battery cables Rectifier input Bypass input Bypass N UPS output Output N Fig. 3-2 40/60kVA UPS cable connection at bottom 2. Cable routing 1. Bottom entry configuration – the...
Page 33 - Connection of battery cables
Chapter 3 Electrical Assembly 27 Input power cable Parallel power cable Wire terminal Fig. 3-3 Power cable connection of One branch utility source 5. Connect the Load to the U, V, W terminals of UPS output breaker Q5. 6.Connection of battery cables The positive and negative cables of batteries are c...
Page 34 - Routing the signal cable; The signal cables should be routed according to Figure 3-6
Chapter 3 Electrical Assemble 28 4. Earthing Method The UPS rectifier source has no neutral cable. The bypass and output source have neutral cables and the input and output neutral cables are short circuited. The lightning protection earth PE and the protection earth of the cabinet are connected as ...
Page 35 - Connection method; Parallel connection method
Chapter 3 Electrical Assembly 29 Fig. 3-6 Layout of signal cables of 20/30/40/60kVA UPS 2. Connection method 1.Parallel connection method Open the door of the UPS to see a circuit board ULW2L61M3. On the board, 15-pin connectors P1 and P2 are used to connect the parallel logic cables. 9-pin connecto...
Page 36 - Connection of serial connection cables
Chapter 3 Electrical Assemble 30 2.Connection of serial connection cables The monitoring board ULW2L61U2 is shown in Figure 3-8, where the locations of RS232, RS485 and input and output contacts are marked. The user can connect the cables with reference to this board. communication cable RS485- comm...
Page 37 - ) Connection of modem
Chapter 3 Electrical Assembly 31 2) Connection of modem MODEM or SNMP SNMP cables Monitoring board Monitoring board SNMP cables MODEM or SNMP 20/30kVA Front view when Front door is opened 40/60kVA Front view when right door is opened Fig. 3-10 Installation of MODEM or SNMP 1. Figure 3-10 shows the l...
Page 38 - Connection of SNMP Card; SHIELD; Connection of input and output voltage free contacts; The contact should satisfy the SELV safety requirements.
Chapter 3 Electrical Assemble 32 3 ） Connection of SNMP Card Installation of SNMP card Unpack the SNMP card and place it in the iron case shown in Figure 3-10 Connect the cables On the monitoring board, there is a jack J22 with a cable to plug in directly to the SNMP card, after the SNMP Card is ins...
Page 39 - Table 3-4 Definitions of input/output contacts; Connector
Chapter 3 Electrical Assembly 33 Table 3-4 Definitions of input/output contacts Connector Name of contacts Board name input/output Normally closed contacts for battery low alarm BLV-C output Central contacts for battery low alarm BLV-S output Normally open contacts for battery low alarm BLV-O output...
Page 41 - Battery Temperature detection cable; The location of the temperature sensor is shown o Figure 3-13.; Connection of Single UPS System
Chapter 3 Electrical Assembly 35 4. Battery Temperature detection cable When the user select the temperature compensation technology, he should select the TMP12Z sensor that is installed inside the battery cabinet or battery room. Use a cable to send a temperature signal to J15 on the monitoring boa...
Page 43 - Chapter 4 Commissioning of UPS; Startup Procedure
Chapter 4 Commissioning of UPS 37 Chapter 4 Commissioning of UPS 4.1 Startup Procedure 4.1.1 Explanation of Circuit Breakers From the layout of Figure 1-3 and Figure 1-4, the startup of UPS has connections with the following circuit breakers Q1 : Connects rectifier to Utility source Q2 : Connects by...
Page 44 - After startup, use the keypad to set the functions of the UPS.; Setting the functions; The user enters the menu of “set functions” shown in the figure below.; Settings
Chapter 4 Commissioning of UPS 38 Step 5 : After the UPS transfers from bypass to inverter, the bypass indicator turns off, and the inverter and the load indicator turns on. The transfer may fail if the phase rotation of bypass and inverter output are different. During operation, if the AC power rec...
Page 45 - Language; Manual Battery Self Test : Select “start self test” or “stop self test”; Ê Ö; Manual Batt Test
Chapter 4 Commissioning of UPS 39 2001-11-08 UL33-0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Breaker Closed 11£ -08 12:09 UPS in Battery Mode Battery low 11£ -08 12:09 11£ -08 12:28 11£ -08 12:28 11£ -08 12:50 Records Out System Local Settings Byp. Breaker Closed Mains Volt. Abnormal Battery Chine...
Page 46 - Callback number 2 : same as for callback number 1; Functional checks
Chapter 4 Commissioning of UPS 40 2001-11-08 UL33-0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Breaker Closed 11£ -08 12:09 UPS in Battery Mode Battery low 11£ -08 12:09 11£ -08 12:28 11£ -08 12:28 11£ -08 12:50 Records Out System Local Settings Byp. Breaker Closed Mains Volt. Abnormal Battery m Ê Ö...
Page 47 - Check the function of the display panel; Press the button “fault clear” to restart the UPS
Chapter 4 Commissioning of UPS 41 4.3.1 Check the function of the display panel Press the button “inverter shutdown” for 2 seconds and check that the inverter stops. 2001-11-08 UL33-0400L 12:50:30 Ä æ ± ä¿ ªÆô ² ¢» úÌ ¨Ê ý 2/4 Ï àµ çÑ ¹ V µ ç Á ÷ AƵ Â Ê Hz A(B) B(C) C(A) 221 11.8 12.3 50.2 50.1 50....
Page 49 - Chapter 5 Operation of Display Panel; The display panel of the UPS is shown in Figure 5-1.; The display panel is divided into three sections:
Chapter 5 Operation of Display Panel 43 Chapter 5 Operation of Display Panel 5.1 Display panel 5.1.1 Layout of Display Panel The display panel of the UPS is shown in Figure 5-1. Start Shutdown Faullt clear Mute 1:LCD 2:Rectifier indicator 3:Battery operation indicator 4:Bypass source indicator 5:Inv...
Page 52 - Enter
Chapter 5 Operation of Display Panel 46 5.1.4 Alarm Buzzer If there is no alarm sound, it means that either the alarm is muted or the system is not in a fault condition There are three types of sound from the buzzer 1.Single click - The sound can be heard when any button is pressed 2. 1 sec click wi...
Page 54 - The displayed information; At power up of the UPS, the opening display is shown in Figure 5-5.
Chapter 5 Operation of Display Panel 48 5.2 The displayed information 5.2.1 Opening display At power up of the UPS, the opening display is shown in Figure 5-5. Fig. 5-5 Opening Display 5.2.2 Main Menu Display After the UPS is power up and self test is completed, the main menu will be displayed, as s...
Page 55 - Scroll Up and down the window by pressing the F1 key.
Chapter 5 Operation of Display Panel 49 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *------------------------------------------------------------------**----------------Emerson Network Power-----------------**-----------------------------------------------------------------...
Page 60 - If need no setup, press F1 to exit the current window.
Chapter 5 Operation of Display Panel 54 5.3 Function Setup In the Menu Display Window select “Function Setup”, pressing F1 key to switch the present window to Measuring and Setup Window and modify each settable items. Pressing F3 key can scroll through all the settable items (total number of the set...
Page 66 - The setting method of baud rate is the same with above.
Chapter 5 Operation of Display Panel 60 2001-11-08 UL33-0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Breaker Closed 11£ -08 12:09 UPS in Battery Mode Battery low 11£ -08 12:09 11£ -08 12:28 11£ -08 12:28 11£ -08 12:50 Records Out System Local Settings Byp. Breaker Closed Mains Volt. Abnormal Battery...
Page 69 - From bypass to inverter mode with interruption:
Chapter 5 Operation of Display Panel 63 Move the cursor to the corresponding bit to modify the number and confirm, then the 0755 8787001 can be set, fill in the “*” character in other blank bits, as shown in Fig.5-39. Pressing F1(ESC) to exit the setup of the fault call-back number 1. Other fault ca...
Page 70 - From inverter to bypass mode with interruption:
Chapter 5 Operation of Display Panel 64 2001-11-08 UL33-0400L 12:30:20 Inv. On Units: ID 1 A(B) B(C) C(A) 221 11.8 12.3 12.5 50.2 50.1 50.1 1.41 1.40 1.41 Input Breaker Close 11£ -08 12:09 Output Breaker Open UPS in Normal Mode Batt. Boost Charging 11£ -08 12:09 11£ -08 12:09 11£ -08 12:09 11£ -08 1...
Page 73 - Table 5-3 UPS Events; Reason
Chapter 5 Operation of Display Panel 67 Table 5-3 UPS Events No. Event Reason 1 Start through keypad The user presses down the inverter start key, the system will start inverter 2 Start through keypad failed The user presses down the inverter start key, the system can’t start inverter 3 Shutdown thr...
Page 74 - Table 5-4 UPS states
Chapter 5 Operation of Display Panel 68 Table 5-4 UPS states No. State Reason 1 Bypass mode UPS bypass powers the load 2 Normal mode The UPS powers the load through rectifier and inverter 3 Battery mode The UPS powers the load through battery 4 United power mode The UPS powers the load through recti...
Page 75 - Chapter 6 Maintenance; Setup procedures; Start from utility; Start from utility
Chapter 6 Maintenance 69 Chapter 6 Maintenance This chapter mainly introduces the daily using and maintenance of UPS and the operation inside the UPS is not covered here. If maintenance should be done to the UPS, Q1, Q2 and QF1 should be disconnected, and then wait for 8 minutes until there is no hi...
Page 76 - Shutdown in normal mode; Switch on the internal maintenance bypass switch Q3BP; Shutdown in bypass mode
Chapter 6 Maintenance 70 6.1.2 Shutdown 1. Shutdown in normal mode When the UPS requires periodical checking or needs to stop operation, the shutdown process in normal mode is given below: 1.Press the “inverter shutdown” button on the UPS panel for longer than two seconds, shutdown the inverter and ...
Page 77 - Shutdown in United powering mode; Transferring between operation modes
Chapter 6 Maintenance 71 5. Shutdown in United powering mode The procedures of shutdown in United powering mode is the same with those of shutdown in normal mode. 6.1.3 Transferring between operation modes The UPS can transfer among various operation modes after it is in normal mode. The following o...
Page 78 - Fault mode and fault handling
Chapter 6 Maintenance 72 begins to power the load. Press the “inverter start” if the user wants the inverter to operate. 6.1.5 Mute The buzzer sounds when the UPS has faults. The user can press the “Mute” button for two seconds to silence the sound. If the user press the key again, the sound can be ...
Page 79 - Background communication; Refer to “Directions of SNMP” card for details.
Chapter 6 Maintenance 73 6.1.7 Monitoring system 1. Background communication The monitoring system of this UPS system provides one RS232 port and one RS485 port (the definition of the port is in Section 3.4.3), several input and output dry contacts (refer to Section 3.4.4). The user can introduce th...
Page 80 - Monitoring single UPS
Chapter 6 Maintenance 74 2. Monitoring single UPS UPS support the communication modes through RS232, RS485, MODEM and SNMP card. These communication modes can’t be used by one same UPS. The single UPS monitoring theory is shown in Fig.6-1. Fig. 6-1 Monitoring of Single UPS 3. Monitoring parallel ope...
Page 81 - Output dry contact; Common alarm: This signal is active when the UPS has fault
Chapter 6 Maintenance 75 6.1.8 Input and output contacts The functions of input and output contacts are introduced in Chapter 3. 1. Output dry contact This UPS provides 8 kinds of dry contacts output and the definition is given below: Battery low: This signal is active when the pre-alarm of UPS batt...
Page 82 - Two circuit branches of temperature can be measured.
Chapter 6 Maintenance 76 Emergent stop: If the user is in short distance, short connecting the “UCTRH” and “UCTRL” can make the UPS shut down. Relay dry contacts should be used here. Note: The user should be careful when using this function. The power will be interrupted completely once the emergenc...
Page 84 - PCB: Check the cleaness and completeness; battery storage
Chapter 6 Maintenance 78 Cable and connectors: Check whether the cable is aged, damaged or burnt; check whether the connector of the PCB is secure; PCB: Check the cleaness and completeness 7 ） Use vacuum pump to clear the dirt on the surface; 8 ） Switch on the UPS again and let the inverter powers t...
Page 85 - Auto battery self test
Chapter 6 Maintenance 79 3 ） Keep the ambient temperature between 15 ℃ and 25 ℃ . 4 ） To prevent small current discharge, continuous battery discharge time exceeding 24 hours is prohibited. 5 ） Please contact the distributor if the battery backup time is greatly shortened, or the UPS LCD displays “b...
Page 86 - Switch on the maintenance bypass switch Q3BP
Chapter 6 Maintenance 80 system will not start battery self test if the last self-test interval satisfies the “battery discharging interval”, but does not satisfy the manual self test condition, and the system will wait until the conditions are satisfied. 6.2.3 Shutdown maintenance For large capacit...
Page 87 - Chapter 7 Troubleshooting; UPS system troubleshooting; The error of UPS output voltage should not exceed 2%
Chapter 7 Troubleshooting 81 Chapter 7 Troubleshooting 7.1 UPS system troubleshooting The following information are only for service engineers who are trained in the repair and troubleshooting of the UPS. The maintenance engineer must be familiar with the UPS because the UPS is rather complicated. 7...
Page 88 - Inverter indicator: If it turns red, that means the inverter fails; LED indicator of lightning protection device
Chapter 7 Troubleshooting 82 Rectifier indicator: If it turns red, that means the rectifier fails; Battery indicator: If it turns red, that means the battery is abnormal; Inverter indicator: If it turns red, that means the inverter fails; Load indicator: If it turns red, that means overload occurs; ...
Page 89 - LCD indication for fault information; Table 7-1 Fault information; Fault description
Chapter 7 Troubleshooting 83 7.4 LCD indication for fault information The LCD on the UPS displays the fault information of Table 7-1 and Table 7-2. The user should locate and analyze the fault according to the tables and feedback the fault information to our service engineers. Table 7-1 Fault inform...
Page 92 - Table 7-2 Fault of parallel operation system
Chapter 7 Troubleshooting 86 No.1 Fault description Reason Actions to be taken 49 Transfer to bypass due to surge The system transfers to bypass mode due to surge current and back to inverter mode after load is decreased Avoid applying load abruptly and the UPS can recover automatically 50 User’s wr...
Page 93 - Chapter 8 Parallel System; System Introduction; Conditions for parallel operation
Chapter 8 Parallel System 87 Chapter 8 Parallel System 8.1 System Introduction 8.1.1 Basics The Liebert UPS uses intelligent and reliable decentralized parallel operation technology. A maximum of four single units of the same capacity can operate in parallel. The UPS system has two paralleling modes...
Page 94 - Parallel System consisting of two units
C hapter 8 Parallel System 88 UPS in the system, and operation condition of each unit can be monitored through the remote computer. 8.1.2 Theory of Operation 1. Parallel System consisting of two units This is the most frequently used configuration and its operation theory is shown in Figure 8-1 Fig....
Page 95 - Paralleling for Capacity Expansion
Chapter 8 Parallel System 89 Fig. 8-2 Redundancy operation mode This system can improve the system reliability noticeably. In normal condition, each UPS does not work at full load, so even if the load is increased, the system will not transfer to bypass. When X number of UPS shuts down due to failur...
Page 97 - Parallel operation system with two UPS units; Parallel operation system with multi UPS units
Chapter 8 Parallel System 91 Maintenance mode: The condition to transfer to maintenance mode is same with that of single module UPS system. The maintenance switches should be switched on synchronously as possible. Thus the system can be repaired without interrupting the power supply to load. 8.2 Ins...
Page 99 - External Power Distribution; Table 8-2 Output Power distribution parameters; UPS capacity; Start up of Parallel Operation System; (1)Commission each UPS unit referring to Chapter 4 for the methods.
Chapter 8 Parallel System 93 8.3 External Power Distribution Parameters such as maximum permissible input current (In is the rated input current) of each UPS, capacity of input circuit breaker(suitable for rectifier input and bypass input) are given in Table 3-5. It is recommended that the input pow...
Page 100 - The settings of N; Using the Parallel Operation System
C hapter 8 Parallel System 94 Code setup: Each UPS unit has its own code, and set the codes of each UPS unit as 1, 2, 3 .n(n 8) one by one; Set the number of UPS units N and number of redundancy UPS units X: If there is M UPS units in the system, if the system is the paralleling system for capacity ...
Page 101 - Start from battery; Shutdown the Parallel Operation System
Chapter 8 Parallel System 95 When switching on the parallel system, external maintenance bypass switch KBP is recommended be equipped to maintain the power supply to load in case of UPS shutdown due to failure or maintenance. Before switching on the UPS, all the circuit breakers but the KBP should b...
Page 102 - Transferring between Operation Modes; Normal mode to battery mode
C hapter 8 Parallel System 96 1. Press the “inverter shutdown” to shut down the inverter and the system transfers to bypass mode; 2. Switch off each UPS unit’s Q1 and the QF1 of battery cabinet ; 3. Switch on each UPS unit’s Q3BP ； 4. Switch on each UPS unit’s Q2 and Q5 ； AT this time, the user’s lo...
Page 103 - Normal mode to bypass mode; Follow the Steps 1; Repairing the failed UPS unit in parallel operation system; ) switch off this failed UPS unit’s battery switch QF1
Chapter 8 Parallel System 97 2. Normal mode to bypass mode Press the “inverter shutdown” button on the UPS panels one by one, all the UPS can transfer to bypass mode. In the above operation, if the total capacity of all the inverters is smaller than the load capacity, all the UPS unit will transfer ...
Page 104 - again; ) Switch on this UPS unit’s battery switch QF1
C hapter 8 Parallel System 98 Note At this time, the input and output terminals of this failed UPS unit are still energized. Switch off the unit’s input and output circuit breakers if these terminals may be touched during maintenance . 2. After repairing the failed UPS, connect it to the parallel op...
Page 107 - Chapter 9 Optional Parts; If the battery capacity exceeds 100Ah; Table 9-1 Battery capacity equipped for single UPS (Ah
Chapter 9 Optional Parts 101 Chapter 9 Optional Parts 9.1 Battery 9.1.1 Capacity selection Calculate the discharging current according to rated load capacity and then select the battery according to the current and the battery backup time required by user. There are various specifications of battery...
Page 108 - Battery cabinet; Table 9-2 structural parameters
Chapter 9 Optional Parts 102 9.2 Battery cabinet 9.2.1 External Dimensions The UPS system has two kinds of battery cabinets that are UF-B0100-30 and UF-B0065-30 respectively. The External Dimensions are given in Fig. 9-1 and Fig. 9-2 respectively. The structural parameters are given in Table 9-3. Ta...
Page 109 - The cabinet has flexible top and bottom cable access mode.
Chapter 9 Optional Parts 103 4 fixing holes 4 levelling bolts 4 fixing holes 4 levelling bolts Fig. 9-2 Positions of leveling feet of battery cabinet 9.2.2 Installation of battery cabinet The requirements for the locations of battery cabinet are the same with those of UPS cabinet, so are the install...
Page 111 - Install the 6 batteries at the bottom floor of the battery cabinet
Chapter 9 Optional Parts 105 a. Unpack the battery, measure the battery voltage, charge the battery before installation if the single battery cell voltage is lower than 2.13V(each battery has 6 cells, 12.8Vdc) ; b. Open the front door, remove the back door and cover, switch off all the battery switc...
Page 112 - SNMP Card and the Software; The ports and functions of SNMP card are given in Table 9-4.; Table 9-3 Ports and functions of SNMP card; Name
Chapter 9 Optional Parts 106 provided by battery manufacturer. The battery output circuit breaker should be made separately. The method is used if the required backup time is longer than 2 hours. l. The connection cables between battery and UPS will not be provided in accessories. Refer to Table 3-2...
Page 113 - Network Software
Chapter 9 Optional Parts 107 Support SNMP, HTTP, TFTP and Telnet protocols and can monitor the UPS through the UPS network monitoring software (UPSiteCenter), NMS and Web explorer （ IE and Netscape ） . The SNMP card can be upgraded online; Provide the computer safety protection functions. Provide th...
Page 114 - Temperature sensor TMP12Z; fixing terminal; The meanings are given below:; Level C Lightning Protection System
Chapter 9 Optional Parts 108 b. Set up the fault call-back parameters. The monitoring system can realize fault call-back functions through the MODEM. When the UPS has fault, it will dial the user automatically and require actions . 9.6 Temperature sensor TMP12Z TMP12Z temperature sensor is an ambien...
Page 115 - Top; Installation procedures of SPD24Z
Chapter 9 Optional Parts 109 9.7.1 Introduction of SPD24Z The SPD24Z lightning protection box has a switch(3) on its panel, a lightning protection indicator(green, 1) and fault indicator （ red,2 ） . Its top cover has 3 holes for cable input （ I ～ III ） and its bottom has 3 holes for cable output. It...
Page 116 - Check whether the cables are well connected.; shorter; User
Chapter 9 Optional Parts 110 h. Check whether the cables are well connected. i. Use a 4mm 2 cable to earth the lightning protection device . j. Close the cover. Note 1. All operations should be done with power off and confirm there is no dangerous voltage on the neutral line 。 2. Connect two pieces ...
Page 117 - Ambient condition; Ambient temperature ranges from -40; Bypass Isolation Transformer
Chapter 9 Optional Parts 111 9.7.3 Using and Maintenance 1. Ambient condition a. Ambient temperature ranges from -40 ℃ to 40 ℃ ; b. Elevation lower than 1000m ; c. The utility frequency is 45 ～ 65Hz ; d. The highest wind speed not exceed 35m/s . 2. Maintenance 1) The lightning protection device oper...
Page 118 - Chapter 10 Service after Sales; Abnormal Fault Handling; Table 10-1 Fault handling
Chapter 10 Service after Sales 112 Chapter 10 Service after Sales 10.1 Abnormal Fault Handling If the UPS is abnormal without alarm indication, check according to Table 10-1 . Table 10-1 Fault handling No.1 Fault description Reason Actions to be taken 1 Utility switch is put to “ON”, no display by L...
Page 119 - Table 10-2 Fault information of Single module UPS system
Chapter 10 Service after Sales 113 Table 10-2 Fault information of Single module UPS system No.1 Fault description Reason Actions to be taken 1 Ambient over-temperature over-temperature of UPS room Check the ventilation 2 Environment parameter 1 abnormal Environment parameter channel 1 has alarm Che...
Liebert UD600
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