Instruction/ maintenance manual of the product NXL Liebert
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AC P ow er For Business-Criti cal C on tinuity™ Li eber t ® NXL ™ S hip - Ahead I nput/O utput Cabinet Install atio n Manual – 250-400kV A, 60Hz.
C ONT ACTING L IEBERT FOR S UPPORT To contact Liebert Services for information or repair service in the United States, call 1-800-LIEBERT (1-800-54 3-2378). Liebert Services offe rs a complete range of start-up services, repair services, preventive maintenanc e plans and service contracts.
i T A BLE OF CONTENTS 1.0 M ECHANICA L I NST ALLATIO N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1 I MPORT ANT S AFETY I NSTRUCTIONS SA VE THESE INSTRUCTIONS This manual co ntains important ins tructions that should be followed during installation of your Lie- bert NXL ™ Input/Output Cabinet. Read this manual thoroughly, payi ng special attention to the sec- tions that apply to your instal lation, before working with the UPS.
Mechanical Installation 2 1.0 M ECHANICAL I NST ALLATION 1.1 Introduction This following se ction describes the requiremen ts th at must be taken into account when p lanning the positioning and cabling of the Li ebert NXL Input/Output Cabinet.
Mechanical Installation 3 1.4.1 Moving the Cabinet s The Liebert NXL Input/Output Cabinet can be handled with a f orklift or similar equipment. When moving the unit by forklift, care must be take n to protect the panels. Do not exceed a 15-degree tilt with the forklift.
Electrical Installation 4 2.0 E LECTRICAL I NST A LLATION This chapter provid es guidelines fo r qualified install ers who must have knowledge of local wiring practices pertaining to the equipment to be installed. 2.1 External Protective Devices For safety, circuit breakers must be installed in the input AC supply and external ba ttery system.
Electrical Installation 5 The following are guidelines only and are superseded by local regulations and codes of practice where applicable: • Take special care when determin ing the size of the neut.
Electrical Installation 6 Top Cable Entry When making the power connections, the recommended order of pulling and installing cables is to start from the top connections to the bottom connections. The cables must be routed around the fault braces (see Detail in Figure 3 ).
Electrical Installation 7 Notes on T ables 1. Nominal input current (considered continuous) is based on full -rated output load. Maximum current includes nominal input current and ma ximum battery recharge current (considered noncontinuous). Contin uous and noncontin uous cu rrent are defined in NEC 100.
Electrical Installation 8 T able 6 Recommended lug size s Cable Size T&B Series 54000 One Hole T&B Series 54000 Two Hole #8 AWG 54930BE 54850BE #6 AWG 54905BE 256-30695-868 #4 AWG 54906BE 256-.
Installation Drawings 9 3.0 I NST ALLATION D RAWINGS Figure 1 Input/output conduit det ail dr awing, 250-3 00kV A Liebert NXL UPS OUT PU T NEUTRA L INNER P ANE L REMOVED FOR CLARIT Y SHOWN IN EXTENDE D POSI TIO N DC (2) 3 " CONDUI T NOTES: 1. ALL DIMENSIONS ARE IN inches (mm).
Installation Drawings 10 Figure 2 Input/output conduit det ail drawing, 400kV A Liebert NXL UPS NOTES: 1. ALL DIM ENSI ON S ARE IN inche s (mm ). 2. 2 4" MI NI MUM CLEARAN CE AB OVE UNI T REQ UIR ED FO R AI R EXHAUS T . 3. KE EP CABIN ET WI THI N 15 D EGREES OF VE R TI CAL.
Installation Drawings 11 Figure 3 T op cable entry routing and inst allation order The cables must be rout ed around the fault braces. This is to prevent the cables from coming in cont act with other busbars.
Installation Drawings 12 Figure 4 Bottom cable entry routing and inst allation order SIDE VIEW F AUL T BRACE OUTPU T F AUL T BRACE RECT IFI ER INPU T F AUL T BRACE BYP ASS INPU T BYP ASS NEUT RA L DC .
Installation Drawings 13 Figure 5 Floor mount bracket s—st andard and optional layout WA R N I N G Brackets MUST remain attached to the frame until the unit is being placed in its final installed position. (The final installation will always require the unit to be bolted to another Liebert NXL product.
Installation Drawings 14.
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An important point after buying a device Liebert NXL (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Liebert NXL yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Liebert NXL - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Liebert NXL you will learn all the available features of the product, as well as information on its operation. The information that you get Liebert NXL will certainly help you make a decision on the purchase.
If you already are a holder of Liebert NXL, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Liebert NXL.
However, one of the most important roles played by the user manual is to help in solving problems with Liebert NXL. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Liebert NXL along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
