Emerson NXL UPS Systems manual

AC P ow er For Business-Criti cal C on tinuity™ Li eber t ® NXL ™ Mainte nanc e Bypass Cabinet Install atio n Manual – 250-400kV A, 60Hz[...]

C ONT ACTING L IEBERT FOR S UPPORT To contact Emerson Network Power Liebert Services for information or repair service in the United States, call 1-800 -LIEBERT (1-800-543- 2378). Lieber t Services offers a comp lete range of start-up services, repair services, preventive ma intenance plans and service contracts. For repair or mainten ance service [...]

i T A BLE OF CONTENTS I MPORT ANT S AFETY I NSTRUCTION S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.0 S INGLE -M ODULE M ECHANICA L I NST ALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ii FIGURES Figure 1 Cabinet arrangement—Lieber t NXL UPS, battery cabinets, maintenance bypass cabinet . . . . . . 4 Figure 2 Two-Breaker Maintenance Bypass Ca binet, one-input, attached . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3 Two-Breaker Maintenance Bypass Cabinet, two-i nput, at tached . . . . . . . . . . . . . . . . . . [...]

1 I MPORT A NT S AFETY I NSTRUCTIONS SA VE THESE INSTRUCTIONS This manual co ntains important ins tructions that should be followed during installation of your Liebert NXL ™ Mai ntenance Bypass Cabinet. Read this manual thoroughly before working with the maintenance bypass cabi net. Retain this man- ual for use by installing personnel. ! WARNING [...]

Single-Module Mechanic al Installation 2 1.0 S INGLE -M ODULE M ECHANICAL I NST A LLATION 1.1 Introduction This section describes the requirem ents that must be taken into a ccount when planning the position- ing and cabling of the Liebert NXL Maintenance Bypass Cabinet. This chapter is a guide to general procedures and pr actices that should be ob[...]

Single-Module Mechanic al Installation 3 1.3.2 Storage Should the equipment not be installed immed iately, it must be stored in a room for protection ag ainst excessive humidity and or heat sources (see Table 6 ). 1.4 Positioning The cabinet is structurally desi gned to handle lifting fr om the base. Access to the power terminals, auxiliary termina[...]

Single-Module Mechanic al Installation 4 1.6 Power Cables The Maintenance Bypass Cabinet requires bo th powe r and control cabling once it has been mechani- cally install ed. All control cables must be separate from the power cables. R un control cables in metal conduits or metal ducts that are electrically bonded to the cabi nets they are connecte[...]

Single-Module Mechanic al Installation 5 1.6.1 Power Cable Connection Procedure The system input, UPS bypass, UPS outpu t and system output cables (all require lug type termina- tions) are connected to busbars situated behi nd the power isolator switches as shown in 2.0 - Instal- lation Drawings . These are accessible when the po wer compartment do[...]

Single-Module Mechanic al Installation 6 Once the equipment has been finally positioned and secured, connect the power cables as described in the followin g procedure. Refer to the appropriate ca ble connection drawing in 2.0 - Installation Drawings . 1. Verify that the bypass equipment is isol ated from its external pow er source and all the pow e[...]

Installation Drawings 7 2.0 I NST ALLATION D RAWIN GS Figure 2 T wo-Breaker Maintenance Byp ass Cabinet, one-input, at t ached B a tte r y System Cr it ica l Load BFB CB2 CB 1 MBD MBB MIB FBO UPS M odule Tw o Breaker M ai ntenance Bypass C abi net Main I nput Sw it chgear Load B ank (F B O) N EG MBJ DC Bus I MI B - Maint enance I solat ion Br eaker[...]

Installation Drawings 8 Figure 3 T wo-Breaker Maintenance Byp ass Cabinet, two-input, a tta ched Figure 4 T wo-Breaker Maintenance Byp ass Cabinet, three-input, att ached or det ached B a tte r y Sys t em DC Bus Cr it ica l Load BFB CB 2 CB1 MBD MBB MIB FBO FBO UPS M od ule Tw o Breaker M ai ntenance Bypass C abi net Ma i n In p u t Sw i t chg ear [...]

Installation Drawings 9 Figure 5 Liebert NXL Maintenance By pass Cabinet—250 and 300kV A main component locat ion MAINTENANCE ISOLA TION BREAKER (MIB) MAINTENANCE BYP ASS BREAKER (MBB) CONTROL WIRING TERMINAL BLOCK (TB1) OPTIONAL SOLENOID INTERLOCK GROUND INPUT PHASE B NEUTRAL OUTPUT PHASE B INPUT PHASE A INPUT PHASE C OUTPUT PHASE A OUTPUT PHASE[...]

Installation Drawings 10 Figure 6 Liebert NXL Maintenance By pass Cabinet—400kV A main component loca tion BREAKER REMOVED F OR CLARIT Y B MAINTENANCE BYP ASS BREAKER (MBB) MAINTENANCE ISOL A TION BREAKER (MIB) CONTRO L WI RING TERMINA L BLOCK (TB1) OPTIONA L SOLENOID INTERLOCK GROUND INPU T PHASE B NEUTRA L OUTPU T PHASE B INPU T PHASE A INPU T [...]

Installation Drawings 11 Figure 7 Liebert NXL Maintenance By p ass Cabinet—250 and 300kV A outline drawing NOTES: 1. Al l dim ens ion s ar e i n inc hes (m m ). 2. 24" m i nim um cl ear anc e above u nit requi re d for a ir exha ust . 3. K eep cab inet wi thin 15 degre es of v er ti cal whi le h andli ng. 4. T op and bo ttom cabl e ent ry av[...]

Installation Drawings 12 Figure 8 Liebert NXL Maintenance By pass Cabinet—400kV A outline drawing See Note 10 See Note 1 1 CG CG Knock-out for control wiring O 1.0" (25.4mm) 3 Places Conduit Landing Area Conduit Landing Area 24.2 ( 615) 39.4 ( 1000) 76.8 (1950 ) 38.5 ( 979) 12.2 (309 ) 28.2 ( 716 ) 38.5 (9 7 9 ) 62.8 ( 1595) 37.3 (9 4 7 ) 30[...]

Installation Drawings 13 Figure 9 Liebert NXL Maintenance Byp ass Cabinet—250 and 300kV A terminal det ails BREAKER REM O VED FOR CLA RIT Y NOT E: AL L DIME NS IONS A RE IN i nch es (mm ). CUS TO MER CONNECTIO N O .6 (14 ) 8 PLACES TY P 1.6 (4 0) 2.0 (5 1) 2.6 (6 5) 1.8 (4 5) 2.0 (5 1) 2.6 (6 5) 1.8 (4 4) 1.8 (45) 4.8 (1 2 3) TY P A FRON T VIEW T[...]

Installation Drawings 14 Figure 10 Liebert NXL Maintenance Byp ass Cabinet—400Kva terminal det ails BREAKERS REMOVED FOR CLARIT Y NOTE: ALL DIM ENSIONS ARE IN inc hes (mm). (BOT TOM ENT RY) (T OP ENT R Y) CUS TOM ER CONNECTI ON AREA O .56 (14 ) TYPICA L (24 PLACES ) 1.37 X .56 SLO T TYPICA L (20 PLACES) O .56 ( 14 ) 8 PLAC ES TYP A 3.1 (7 9) 1.59[...]

Installation Drawings 15 Figure 1 1 Cable routing TOP ENTRY NOT ES: 1. Cables fr om lower busbars must be r outed and tied to the aligning holes on t he the cable landing bar directly above (s ee figure below). I nstallation method is to prevent cables fr om lower busbars from cont acting the upper busbar s. 2. Cables fr om upper busbars can be opt[...]

Installation Drawings 16 Figure 12 Liebert NXL Maintenance Byp ass Cabinet, one-input sy stem, point-to-point wiring to UPS N O P E B A T C R Q S H G K J I P O N D L M U R E A R MIB MB B BYP ASS NEUTRAL (-) (+) C B A F C B A C B A L OUT PU T NEUT RAL M V V H F G I J K FRONT UPS[...]

Installation Drawings 17 T able 1 Liebert-supplied interconnec t wiring for one-input Liebert NXL Maintenance Bypass Cabinet Run To From Conductor A Utility AC - Phase A MBC Bypass AC - Phase A Maintenance Bypass AC - Phase A B Utility AC - Phase B MBC Bypass AC - Phase B Maintenance Bypass AC - Phase B C Utility AC - Phase C MBC Bypass AC - Phase [...]

Installation Drawings 18 Figure 13 Liebert NXL Maintenance Byp ass Cabinet, two-in put system, point-to-point wiring t o UPS N O P E B A T C R Q S H G K J I P O N D L M U R E A R MIB MBB BYP ASS NEUTRA L (-) (+) C B A F C B A C B A L OUTPU T NEUTRA L M V V H G F FRONT UPS[...]

Installation Drawings 19 T able 2 Liebert-supplied interconnec t wiring for two-input Liebert NXL Maintenance By pass Cabinet Run To From Conductor A Utility AC - Phase A MBC Bypass AC - Phase A Maintenance Bypass AC - Phase A B Utility AC - Phase B MBC Bypass AC - Phase B Maintenance Bypass AC - Phase B C Utili ty AC - Phase C MBC Bypass AC - Phas[...]

Installation Drawings 20 Figure 14 Liebert NXL Maintenance Byp ass Cabinet, three-input sy stem, point-to-point wiring to UPS N O P E B A T C R Q S H G K J I P O N D L M U R E A R MIB MBB P1 BYP ASS NEUTRA L (-) (+) C B A F C B A C B A P1 OUTPU T NEUTRA L M V V FRONT UPS[...]

Installation Drawings 21 T able 3 Liebert-supplied interconnec t wiring for three-input Lieber t NXL Maintenance Byp ass Cabinet Run To From Conductor A Utility AC - Phase A MBC Bypass AC - Phase A Maintenance Bypass AC - Phase A B Utility AC - Phase B MBC Bypass AC - Phase B Maintenance Bypass AC - Phase B C Utili ty AC - Phase C MBC Bypass AC - P[...]

Installation Drawings 22 Figure 15 Liebert NXL Maintenance Byp ass Cabi net Control wire diagram without interloc k WIRE DIAGRAM WITHOUT INTERLOCK LOW VOL T AGE TERMINAL STRIP - TB1 - 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 EPO PB SW TB 1-1 TB1 -2 TB1 -4 TB1-5 TB1-6 TB1-7 TB 1-8 TB1-9 TB 1-1 0 TB 1- 1 1 TB1-12 TB 1-1 3 TB1 -3 Connecti[...]

Installation Drawings 23 Figure 16 Liebert NXL Maintenance Byp ass Ca binet control wire diagram with interlock WIRE DIAGRAM WITH INTERLOCK LOW VOL T AGE TERMINAL STRIP - TB1 - 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 EPO PB SW TB 1-1 TB1-2 TB1-4 TB 1-5 TB 1-6 TB 1-7 TB1 -8 TB 1-9 TB1-10 TB1 -1 1 TB1-1 2 TB1-13 TB1-14 TB1-15 TB1-16 Con[...]

Installation Drawings 24 Figure 17 Liebert NXL Maintenance Byp ass Cabinet control wire routing CONDUIT KNOCK-OUTS FOR CONTROL WIRING CONDUIT KNOCK-OUTS FOR CONTROL WIRING INTERNAL ROUTING FOR CONTROL WIRING INTERNAL ROUNTING FOR CONTROL WIRING A A SECTION A-A FRONT VIEW[...]

Installation Drawings 25 Figure 18 Ground strap location for connected ca binet s Reference of corner post of connected cabinets Cabi net-to-C abinet Bolti ng Instructi ons T ypi cal Gr ound Strap Instal lation FRON T SIDE OF UNITS (Use for all connected u nits except Battery Cabinet) A DE T A I L A[...]

Specifications 26 3.0 S PECIFICATIONS T able 6 Liebert NXL Maintenanc e Byp ass Cabinet specifications Model Size 250 300 400 Input Parameters Input Voltage to Bypass, VAC 480V 3-phase, 3-wire or 4-wire Permissible Input Voltage Range, VAC +10% to -30% Input Frequency, Hz 60 Permissible Input Frequ ency Range, Hz 55 to 65 Neutral Current 1.7 times [...]

Specifications 27 T able 7 Liebert NXL Maintenanc e Byp ass Cabinet current ratings —System Input UPS Rating Voltage (VAC) System Input kVA k W Input Bypass Output Nominal Current 10 Minute Overload External Breaker Trip, Amps 250 225 480 480 480 301 376 400 300 270 480 480 480 361 451 500 400 360 480 480 480 481 601 700 T able 8 Liebert NXL Main[...]

Specifications 28 T able 1 1 Recommende d conduit and cable sizes—Module Byp ass Input UPS Rating System Input Voltage (VAC) Module Bypass Input Nominal Selection Alternate Selection kVA kW Rectifier Bypass Maint Byp Output Top Cable Entry Wire & Conduit Ph, N, G,THW / FMC Bottom Cable Entry Wire & Co nduit Ph, N, G, THW / RNC Top Cable E[...]

Specifications 29 Notes See the Liebert NXL UPS installation man ual, SL-25420, for UPS rectifier, UPS bypass an d UPS out- put sizes. The manual is availa ble at the Liebert Web site: www.liebert.com These are guidelines only and are superseded by local re gulations and codes of practice where appl i- cable. • Take special care when determinin g[...]

Specifications 30[...]

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