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Liebert NX 10kVA, Installation Manual

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P

OWER

 A

VAILABILITY

NX™

I

NSTALLATION

 M

ANUAL

10-30kVA

208V, 60Hz

Summary of Contents for NX 10kVA

Page 1: ...POWER AVAILABILITY NX INSTALLATION MANUAL 10 30kVA 208V 60Hz...

Page 2: ...ctory authorized service For LGS to assist you promptly please have the following information available Tag Number___________________________________________________________________ Site ID___________...

Page 3: ...5 Floor Installation 7 1 5 6 Cable Entry 7 1 5 7 Optional Cabinets 8 2 0 ELECTRICAL CONNECTIONS 9 2 1 Power Cabling 9 2 1 1 Cable Rating 9 2 1 2 UPS Input Configuration 10 2 1 3 Cabling Guidelines 10...

Page 4: ...ENANCE BYPASS CABINET 27 4 1 Bypass Switch 27 4 2 UPS Mode 27 4 3 Bypass Mode 28 4 4 Maintenance Mode 28 4 5 Mounting the Cabinet 28 4 6 Cable Installation 28 4 6 1 Wiring Preparation 28 4 6 2 Power C...

Page 5: ...41 6 3 UPS Mechanical Characteristics 41 6 4 UPS Electrical Characteristics 42 6 4 1 Battery Manufacturers and Models 42 6 4 2 Input Rectifier 42 6 4 3 DC Intermediate Circuit 42 6 4 4 Inverter Output...

Page 6: ...onnection 51 Figure 31 Maintenance Bypass interconnection 52 TABLES Table 1 Input dry contacts at X3 15 Table 2 Maintenance bypass cabinet interface 15 Table 3 BCB box interface 16 Table 4 Output dry...

Page 7: ...ive and sulfuric acid can cause severe burns When connected the nominal battery voltage is 324VDC and is potentially lethal In case of fire involving electrical equipment use only carbon dioxide fire...

Page 8: ...lways check with an AC and DC voltmeter to ensure safety before making contact or using tools Even when the power is turned Off dangerously high electric charges may exist within the UPS All power and...

Page 9: ...caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve regulated lead acid battery Recycle DC voltage Equipment grou...

Page 10: ...amine the UPS and battery equipment for transit damage both internally and externally Report any such damage to the shipper and to Liebert immediately 2 Check the nameplate inside the cabinet door to...

Page 11: ...tion Temperature is a major factor in determining battery life and capacity Battery manufacturers recom mend an operating temperature of 77 F 25 C Ambient temperatures warmer than this reduce bat tery...

Page 12: ...s and auxiliary equipment Enough space to service the UPS Air circulation sufficient to expel heat produced by UPS Protection against moisture and excessive humidity Protection against dust and other...

Page 13: ...available For information see your local Lie bert representative If the equipment is to be placed on a raised floor it should be mounted on a pedestal that will support the equipment point loading Re...

Page 14: ...inet ONLY after the units are connected and positioned Battery cabinets may be bolted to either side of the NX unless used in configurations that include a Maintenance Bypass Cabinet refer to 1 5 7 O...

Page 15: ...d output cables must be sized for the nominal output current given in Table 20 with respect to the unit rating and the output AC voltage Battery cables Each UPS unit has its own internal batteries fac...

Page 16: ...und cable connecting the UPS to the main ground system must follow the most direct route possible 3 Consider using paralleled smaller cables for heavy currents this can ease installation 4 When sizing...

Page 17: ...mpartment The batteries are connected to fuses to protect the NX and connected equipment see Figure 4 Figure 4 Battery fuses and connections NOTE External battery connection access requires removal of...

Page 18: ...and Table 11 for overload capacity High speed fuses and SCRs are used for internal battery circuit overcurrent protection When an external battery supply is used overcurrent protection for the battery...

Page 19: ...5 N m M6 bolt 8 For Rectifier Input connect AC input supply cables between the power distribution panel and the UPS input circuit breaker A B C terminals 9 The bypass input neutral cable must be conn...

Page 20: ...elay Emergency Power Off control EPO Environmental parameter input interface User communication for data setting and user background monitor Intellislot interface Modem interface Temperature detect in...

Page 21: ...configured by configuration software before becoming active 2 When activated the charger current can be limited via software to a percentage of the full charger current 0 100 3 Activating this feature...

Page 22: ...ive when BCB interface is connected N O NOTE All auxiliary cables of terminal must be double insulated Wire should be 16 20AWG stranded Table 4 Output dry contact relays Position Name Description J13...

Page 23: ...se general conditions are met the UPS may be started 2 4 1 Startup Procedure To start the UPS from a fully powered down condition 1 Open the UPS door to gain access to the main power switches 2 Turn t...

Page 24: ...nce bypass The bypass and load indicators turn on The design of the rotary switch ensures uninterrupted output 5 Turn the rotary switch to NORMAL then press the INVERTER ON control button for 2 second...

Page 25: ...pplied by the manual Maintenance bypass 2 6 Powering Down the UPS To power down the UPS completely follow the procedures in 2 5 Switching the UPS from Nor mal to Maintenance Bypass To completely isola...

Page 26: ...igned maxi mum ambient temperature not the UPS In the case of valve regulated batteries for example the ambient room temperature should be kept between 68 F and 86 F 20 30 C not between 32 F and 104 F...

Page 27: ...ys work from the bottom shelf up to prevent raising the center of gravity which could cause a tip over hazard 3 6 2 Connecting the Batteries If the NX battery cabinets are installed on a raised floor...

Page 28: ...mm rear view Figure 11 Wide battery cabinet 57 in 1488mm front view BCB plate and BCB Battery trays Top cable entry Bottom cable entry Batteries Battery tray Anderson connectors Top cable entry BCB pl...

Page 29: ...Battery Installation 23 Figure 12 Battery cabinet details Insulated post for cabling Tray handle Removable retainer...

Page 30: ...cabinet relative to the UPS An A or 1 designation means the cabinet is adjacent to the UPS Cabinet B will be adjacent to cabinet A If the system includes a matching maintenance bypass cabinet MBC the...

Page 31: ...t below the power connections All cabinets in the UPS system must be connected to the user s ground connection 5 Connect the system battery cables from the UPS battery output terminals N to battery ca...

Page 32: ...ontact your local Liebert sales representative about this option Install battery racks cabinets and batteries in accordance with the manufacturer s instructions Verify that the battery area has adequa...

Page 33: ...ernal Maintenance Bypass Cabinet typical configuration 4 1 Bypass Switch The Bypass Switch allows easy and rapid transfer of connected loads between the UPS and Bypass source 4 2 UPS Mode While the Ma...

Page 34: ...ed by the UPS The Bypass Switch is in the MAINTENANCE position for this mode 4 5 Mounting the Cabinet This Maintenance Bypass Cabinet may be mounted to the left of the UPS or installed as stand alone...

Page 35: ...cables between the Maintenance Bypass Cabinet UPS Input Busbars A B C N terminals and UPS input busbars A B C N terminals and tighten the connections to 44 lb in 5 N m M6 bolt 8 Connect the system in...

Page 36: ...be inserted from either the UPS side or from the MBS side whichever is more convenient NOTE UPS wiring must be completed before the cabinets are bolted together Dry contact for X3 Place cabinets so m...

Page 37: ...SW to the Normal position on the Maintenance Bypass Cabinet The UPS will go to bypass mode 2 Press the Inverter On button on the UPS and allow the UPS to go to normal mode 3 The connected equipment i...

Page 38: ...ansformer from 480VAC to 208VAC is determined by dividing 480 by 208 which equals 2 31 3 Using configuration software enable the output transformer configuration 4 Calculate the input to output voltag...

Page 39: ...bypass source is the same for both systems 5 1 2 DBS Cable and Settings For Paradigm to Paradigm dual bus configuration with the help of only one optional DBS cable the built in DBS will operate norm...

Page 40: ...inputs and outputs must be correct and the same The parallel logic cable and load sharing cable must be connected in a ring correctly See Figure 20 5 2 3 Features of Parallel System The hardware and f...

Page 41: ...s within the synchronous range the inverter will be synchronized with the bypass Other wise the system will operate at nominal frequency Battery Mode Operation The batteries of all UPS modules power t...

Page 42: ...for Parallel System 5 3 3 Protective Devices Refer to the instructions supplied in the Liebert NX installation manual SL 25215 5 3 4 Power Cables Wiring of power cables is similar to that of single mo...

Page 43: ...el system should be set as Parallel configuration UPS ID No Each UPS module should have a unique identification number in the parallel sys tem Parallel system requisite UPS units Set the minimum numbe...

Page 44: ...vailable for use in installations where the battery is not installed in the battery cabinet in which case the appropriate battery box is fitted as close as possible to the battery and connected to the...

Page 45: ...breaker boxes are of the same size for the 10 kVA to 30 kVA UPS but switch capacity are different The information shown in Figure 22 applies to both sizes The BCB box contains a battery isolating cir...

Page 46: ...92mm TYP 25 HDWR REMOVEABLE COVER CONDUIT ENTRY TOP BOTTOM 3 TB1 CUSTOMER GROUND 25 STUD FOR 6GA 2 0 WIRE O 50 12 7mm X6 FROM CUSTOMER S BATTERY SYSTEM FIELD INSTALLED FIELD SUPPLIED CONNECT TO UPS MO...

Page 47: ...ics Rated Power 10 30kVA Operating Temperature UPS 32 F to 104 F 0 C to 40 C Optimal Operating Temperature Battery 68 F to 86 F 20 C to 30 C Relative Humidity 0 to 95 non condensing Acoustical Noise d...

Page 48: ...nt Nominal A 28 42 56 83 Notes 1 Overload capacity of input current 100 Imax I 125 Imax 125 Imax I 150 Imax I 150 10 min 1 min Limits input current immediately Table 12 DC intermediate circuit Rated P...

Page 49: ...ng PF Lagging Leading 0 5 0 6 0 7 0 8 0 9 1 0 0 9 0 8 0 7 0 6 0 5 K 200V 1 00 1 00 1 00 1 00 0 88 0 80 0 75 0 73 0 72 0 71 0 71 K 208V 1 00 1 00 1 00 1 00 0 88 0 80 0 75 0 73 0 72 0 71 0 71 Table 15 B...

Page 50: ...loor stand Note If a floor stand is used the weight of the unit must be supported under all casters 10 Each mounting location is supported by two 10 GA 135 galvanized steel The threaded 12mm insert is...

Page 51: ...igure 24 Dimensions continued top and bottom views Rearstabilizing foot optional Air Exhaust Power Cable Entry Area Top and Bottom Air Intake 10mm dia threaded mounting holes 4 typ See Notes 9 and 10...

Page 52: ...sitions on control wiring may vary depending on which options are included on your unit 3 Refer to 3 0 Battery Installation for battery installation details 4 All wiring must be installed in accordanc...

Page 53: ...run in separate conduit Output and input cables must be run in separate conduit 4 Aluminum and copper clad aluminum cables are not recommended 5 All wiring is to be in accordance with national and lo...

Page 54: ...Installation Drawings 48 Figure 27 Location of internal batteries Battery 417mm 687mm 186...

Page 55: ...tery connections TOP LAYER MIDDLE LAYER BOTTOM LAYER W500 18pcs W501 3pcs W502 to W503 W503 to W502 W504 to W505 W506 to W507 W510 to W511 CON4 Fuse 5 Fuse 4 W505 to W504 W508 to W509 W511 to W510 W50...

Page 56: ...s 50 Figure 29 Electrical connections MONITOR BOARD A B C N TO CRITICAL LOAD 200 208V A B C N INPUT SUPPLY 200 208V SWITCH TO CUSTOMERS SAFETY EARTH EARTH POWER CABLES BATT N UPS BATTERY BCB INPUT MBC...

Page 57: ...rs and protective plates 59 Battery Cabinet Front View without doors and protective plates Connection Detail Breaker Detail Breaker Detail Positive Midpoint N Negative Positive Midpoint N Negative A B...

Page 58: ...und J Monitoring terminal block UPS terminal block Bypass contacts NOTES 1 All Liebert supplied cable must be repositioned prior to and while the cabinets are being placed in their final installed loc...

Page 59: ...Wire Size or Range Lb in N m 6 4 100 11 3 1 125 14 1 0 2 0 150 17 3 0 200 MCM 200 23 250 400 MCM 250 28 500 700 MCM 300 34 Circuit Breakers With Compression Lugs For Power Wiring Current Rating Lb in...

Page 60: ...mended Lug Lug T B One Hole 54000 Lug T B One Hole REDDY 10 24 9 31 37 40 6M 1 4 54130 62204 15 37 3 47 56 60 6M 1 4 54106 62204 20 49 8 62 75 80 6M 1 4 54107 62204 30 74 7 93 112 125 6M 1 4 54152 622...

Page 61: ...70 90 220 52 70 020 D M 480 31 40 208 56 70 020 D M 600 25 40 208 56 70 020 D M 208 72 90 208 56 70 020 D M 220 68 90 208 56 70 020 E N 480 32 40 480 24 30 020 E N 600 26 40 600 19 30 020 E N 220 70 9...

Page 62: ...4 15 208 60 6M 1 4 54106 62204 10 600 15 6M 1 4 NA 62204 10 480 20 6M 1 4 NA 62204 10 220 40 6M 1 4 54130 62204 10 208 40 6M 1 4 54130 62204 Output Unit Rating Nominal System Output Voltage OCP Device...

Page 63: ...nce Bypass Cabinet Style lb kg A B C D E L J K M N 10kVA 408 185 545 247 675 306 602 273 732 332 670 304 403 183 540 245 597 271 728 330 15kVA 408 185 567 257 728 330 659 299 822 373 723 328 403 183 5...

Page 64: ...Specifications and Technical Data 58 NOTES...

Page 65: ...Specifications and Technical Data 59...

Page 66: ...Specifications and Technical Data 60...

Page 67: ......

Page 68: ...ms all liability for damages resulting from use of this information or for any errors or omissions 2004 Liebert Corporation All rights reserved throughout the world Specifications subject to change wi...

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