Liebert ITA UPS 16kVA User Manual Download Page 45

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Chapter 5 Maintenance 37

Liebert ITA 16kVA/20kVA User Manual

It is recommended to check the UPS functions once every half year.

Backup the load data before conducting the UPS functions check. Procedures are as follows:

1. Press the OFF button to check if the buzzer beeps, indicators are on and the LCD display is normal.

2. Press the ALARM CLEAR button to check again if the indicators are on, the LCD display is normal and the UPS

has switched to the inverter mode.

Summary of Contents for ITA UPS 16kVA

Page 1: ...the nearest Emerson local sales office or service center Copyright 2010 by Emerson Network Power Co Ltd All rights reserved The contents in this document are subject to change without notice Emerson N...

Page 2: ...ranges from 3 5mA to 1000mA Transient and steady state earth leakage currents which may occur when starting the equipment should be taken into account when selecting instantaneous residual current cir...

Page 3: ...l will exceed 400Vdc and physical contact would be fatal Battery manufacturers supply details of the necessary precautions to be observed when working on or in the vicinity of the battery strings Thes...

Page 4: ......

Page 5: ...6 2 2 1 Distribution Room 7 2 2 2 Battery Room 7 2 2 3 Storage 7 2 3 Installation tools 7 2 4 Mechanical Installation 8 2 4 1 Tower Installation 8 2 4 2 Rack Installation 9 2 5 External Protective Dev...

Page 6: ...ary Screen 26 3 2 3 Default Screen 26 3 3 Detailed Description Of Menu Items 27 3 4 Prompt Window 29 3 5 UPS Alarm Message List 29 Chapter 4 UPS Operation Instructions 32 4 1 UPS Start up 32 4 1 1 Nor...

Page 7: ...r 5 Maintenance 36 5 1 Fan Maintenance 36 5 2 Battery Maintenance 36 5 3 Cleaning UPS 36 5 4 Checking UPS State 36 5 5 Checking UPS Functions 36 Appendix 1 Battery Module 38 Appendix 2 Optional Part L...

Page 8: ......

Page 9: ...id interference thus adaptable to areas with unstable mains supply z High power density z Full digital control technology based on digital signal processor DSP to achieve high system reliability with...

Page 10: ...front panel provides the ventilation holes operation and display panel DIP switch and battery cold start button with protective cover The operation and display panel provides LCD menu buttons LED indi...

Page 11: ...returns to normal state the UPS will automatically switch to Normal mode from Battery mode the mains power supplies DC power to the inverter through the rectifier PFC circuit and then the electronic t...

Page 12: ...ECO mode is an energy saving operation mode For some power equipment that insensitive to power grid quality you can use the ECO mode for power supply through bypass to reduce the power loss Note 1 In...

Page 13: ...20 default 15 Lower limit 10 20 30 or 40 default 20 Output Mains efficiency 93 up to 94 Type Sealed lead acid maintenance free battery Cell No 30 32 34 36 38 40 Rated voltage 360Vdc 480Vdc Battery Cha...

Page 14: ...revent injury from accidental electric arcs z Remove rings watches and all metal objects z Use tools with insulated handles z Wear rubber gloves z If a battery leaks electrolyte or is otherwise physic...

Page 15: ...is temperature will shorten the battery life and operation below this temperature will reduce the battery capacity If the battery average temperature in run rises from 20 C to 30 C the battery life wi...

Page 16: ...llation you should prepare the battery rack and battery cabinet for installing the battery modules for rack installation the battery modules and the UPS can be installed in the same rack together 2 4...

Page 17: ...UPS on the rack through brackets as shown in Figure 2 4 Rack Guide rail UPS Bracket Screw 4 pcs Figure 2 4 Installing the UPS Installation procedures for battery modules included The installation meth...

Page 18: ...he thermomagnet circuit breaker of IEC60947 2 tripping curve C normal following the 125 of current value listed in Table 2 2 Bypass disconnection When the system uses bypass disconnection the protecti...

Page 19: ...le 1 2 2 6 Connecting Power Cables I O cables and battery cables are needed to be connected Battery modules provide the battery cable options When designing the cables you should follow the instructio...

Page 20: ...ss configuration In accordance with the four types of the two distribution methods this section will introduce the I O cables connection procedures respectively Note This product is compatible with 3...

Page 21: ...C N line and PE line respectively to the user terminal block terminal mA mB mC and mN of the single POD and PE terminals 2 Connect the live line output phase A phase B and phase C N line and PE line r...

Page 22: ...ut phase B phase C N line and PE line respectively to mB and mC terminals of the single POD user terminal block shorted copper bars 4 of mN and bN terminals and PE terminals 4 Connect the live line ou...

Page 23: ...bar 5 of the single POD user terminal block shorted copper bars 4 of the two oN terminals and PE terminals 6 Remove all the shorted copper bars 3 from the UPS I O terminal block and connect the UPS te...

Page 24: ...shorted copper bars 4 4 5 10 4 6 7 8 bC oN oA oB oC PE mN bN bB mA bA Figure 2 13 Shorted copper bar connection for the UPS I O terminal block 2 Connect the shorted copper bar 8 to one end of the sho...

Page 25: ...tenance and then tick at the right side of the AC OUTPUT and BYPASS INPUT according to the actual conditions Figure 2 15 Label 2 6 3 Connecting Battery Cables Note If battery module is not selected th...

Page 26: ...Dry contact port 4 Dry contact port 5 Figure 2 16 Pin distribution of dry contact ports Table 2 3 Description of the dry contact ports Silk screen Port name Pin NO Pin name Meaning 1 1 S_ALARM The sig...

Page 27: ...nd USB port can be used together The pin distribution for each SNMP card port is shown in Figure 2 17 1 GND_SNMP 9_SNMP 9_TR SNMPSIG 14 PIN TXD232 RXD_SNMP TXD_SNMP RXD232 2 3 4 6 7 8 9 10 5 Figure 2...

Page 28: ...llel POD if N 2 the self distribution will be required for the parallel system Installing parallel system includes z Mechanical installation z Setting parallel addresses z Connecting parallel cables z...

Page 29: ...l cables connection is shown in Figure 2 19 UPS1 UPS2 UPS3 UPS4 Parallel port 1 Parallel port 2 Parallel port 1 Parallel port 2 Parallel port 1 Parallel port 2 Parallel port 1 Parallel port 2 Parallel...

Page 30: ...e 1 Connection Power off the system completely and disconnect all the battery MCBs of the UPS single and then connect the terminal N and of the shared battery strings respectively to the terminal Bat...

Page 31: ...cable UPS2 Bypass Rectifier input Bypass LBS STS Load connection UPS1 UPS2 UPS1 Rectifier input Parallel control cable Figure 2 20 Typical double bus system with the STS and LBS 2 10 2 External Protec...

Page 32: ...ns FAULT CLEAR ON OFF ALARM CLEAR EPO LCD Menu buttons Control buttons Inverter indicator Fault indicator Figure 3 1 Operation and display panel 3 1 1 LED Indicators The LED indicators are composed of...

Page 33: ...3 1 4 LCD And Menu Buttons The operation and display panel provides an LCD and five menu buttons F1 F2 F3 F4 HELP Table 3 4 gives the menu buttons function description Table 3 4 Menu key functions des...

Page 34: ...w Menu window Keypad window F1 F2 F3 F4 HELP Figure 3 3 Primary screen The current icons on top of the F1 F4 and HELP menu buttons give the explanations of each key Under any menu in primary screen pr...

Page 35: ...ut Power factor Power factor L N voltage V Phase voltage Frequency Hz Bypass frequency Bypass input L L voltage V Line voltage L N voltage V Phase voltage L N current A Phase current Frequency Hz Outp...

Page 36: ...arallel Parallel number Set the parallel number Redundant number Set the redudant number ECO mode ECO function enabled Output frequency Set the output frequency Output voltage system Set the output vo...

Page 37: ...pletely and then power on again after the wiring is changed according to the settings 3 5 UPS Alarm Message List The following list gives the UPS alarm message list based on the Current records and Hi...

Page 38: ...beyond limits Load transfers to bypass Inverter overtemp The temperature of the inverter heat sink is too high to keep inverter running This alarm is triggered by the signal from a temperature monitor...

Page 39: ...ss on or DC bus or rectifier not ready Alarm silence cancle Press FAULT CLEAR or ALARM CLEAR Bypass mode The UPS is in Bypass mode Normal mode The UPS is in Normal mode Battery mode The UPS is in Batt...

Page 40: ...mal Module Start up Procedure This procedure is suitable for UPS start up when the UPS is in complete disconnection state Procedures are as follows 1 Close the output input switch outside the UPS on b...

Page 41: ...tion 1 Press the OFF for 2 seconds The inverter indicators are off and the buzzer alarms The load switches to the static bypass and the inverter shuts down Note Press the ALARM CLEAR button can silenc...

Page 42: ...ge and excessive switching may result in the UPS power off Once all appropriate measures have been taken to correct the problem indicated by the alarm message appearing on the LCD you can carry out th...

Page 43: ...then press F5 Enter 4 Position the cursor on the row in which the date and time are displayed then press F5 Enter 5 Use F3 or F4 up or down arrows and enter the current time and date information 6 Pr...

Page 44: ...d ambient temperature or two months at high ambient temperature Note 1 Never short circuit the battery terminals which will result in fire 2 Never open the battery as the electrolyte is harmful to hum...

Page 45: ...ckup the load data before conducting the UPS functions check Procedures are as follows 1 Press the OFF button to check if the buzzer beeps indicators are on and the LCD display is normal 2 Press the A...

Page 46: ...el after the battery module arrival The appearance of the battery module is shown in Figure 1 Fixing screw 6 pcs Protective panel Figure 1 Appearance of the battery module Rear panel Operation panel o...

Page 47: ...cover of fuse box to prevent electric shock risk during the UPS operation as shown in Figure 3 Protective cover of fuse box Figure 3 Schematic diagram of replacing fuse Note 1 The battery loop and AC...

Page 48: ...component Communication options UFMOD21Z1 MODBUS assembly used in UPS UFMOD21Z1 R5 UF POD3U20K10 3 in 3 out 3 in 3 in 1 out rack model 20kVA smart UPS single POD POD UF POD6U20K11 3 in 3 out 3 in 3 in...

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