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Summary of Contents for Liebert EXM Distribution Cabinet
- Page 1 Liebert® EXM™ Distribution Cabinet User Manual - 50 kVA -250kVA, 3 Phase, 60 Hz...
- Page 2 The information contained in this document is subject to change without notice and may not be suitable for all applications. While every precaution has been taken to ensure the accuracy and completeness of this document, Vertiv assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions.
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Page 3: Table Of Contents
Equipment Grounding ..............17 2.2.3 Grounding Electrode Conductor for Liebert EXM Distribution Cabinets with Transformer 2.2.4 Output Power Connections. - Page 4 Liebert EXM Distribution Cabinet heat output ........
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Page 5: Important Safety Instructions
This manual contains important instructions that should be followed during installation of your Liebert EXM Distribution Cabinet. Read this manual thoroughly, paying special attention to the sections that apply to your installation, before working with the UPS. Retain this manual for use by installing personnel. -
Page 6: Introduction
1.0 INTRODUCTION The Liebert EXM Distribution Cabinet is designed to operate in UPS normal mode, static bypass mode and maintenance mode. The Liebert EXM Distribution Cabinet offers 50-250kVA capacity to match the associated Liebert EXM frame offerings. Each of the Liebert EXM Distribution Cabinet capacities offers an optional 208/120V output transformer as well as multiple output distribution selections. -
Page 7: Installation Instructions
2.0 INSTALLATION INSTRUCTIONS Unpacking and Installation NOTE Read the entire manual before installing and operating the system. Upon receipt of a Liebert EXM tribution Cabinet , the installer should perform the following steps to ensure a quality installation. 2.1.1 Unpacking and Preliminary Inspection A quality installation begins on the receiving dock. -
Page 8: Figure 1 Typical Cabinet And Floor Planning Dimension Data, 23.6" (600Mm) Cabinet
16.1" (409mm) 21.7" (550mm) Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 9: Table 1 23.6-Inch (600Mm) Cabinet Weight
Table 1 23.6-inch (600mm) cabinet weight Maximum Unit Weight, lb (kg) 1749 (793) Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 10: Figure 2 Typical Cabinet And Floor Planning Dimension Data, 34.6" (880Mm) Cabinet
1.5" (38.9mm) DETAIL B Table 2 34.6-inch (880mm) cabinet weight Maximum Unit kVA Weight, lb (kg) 2538 (1151) Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 11: Unit Preparation
Distribution Cabinet by customer personnel. A typical procedure is: Set the pallet assembly in a level area where there is enough room to move the Liebert EXM Distribution Cabinet off the pallet onto the floor. istribution Cabinet 2. -
Page 12: Power And Control Wiring
Power and control wiring should be installed by licensed electricians. All power and control wiring must comply with the NEC and applicable local codes. Input power connections are always to be fed from the Liebert EXM UPS. Either attached using factory-provided cables or remotely using cables provided by others. -
Page 13: Figure 4 Wiring Diagram, 480V Liebert Exm 600Mm Distribution Cabinet With Transformer For Panelboard
Figure 4 Wiring diagram, 480V Liebert EXM 600mm Distribution Cabinet with transformer for panelboard Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 14: Figure 5 Wiring Diagram, 480V Liebert Exm 600Mm Distribution Cabinet With Subfeed Break
Figure 5 Wiring Diagram, 480V Liebert EXM 600mm Distribution Cabinet with subfeed breakers Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... - Page 15 Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™...
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Page 16: Figure 6 Wiring Diagram, 480V Liebert Exm 880Mm Distribution Cabinet With Subfeed Break
Figure 6 Wiring Diagram, 480V Liebert EXM 880mm Distribution Cabinet with subfeed breakers Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 17: Figure 7 Wiring Diagram, 480V Liebert Exm 880Mm Distribution Cabinet With Transformer For Subfeed
Figure 7 Wiring diagram, 480V Liebert EXM 880mm Distribution Cabinet with transformer for subfeed Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 18: Input Power Connections
Verify that all incoming line voltage (power) and low-voltage (control) circuits are de-energized and locked out before installing cables or making connections, whether in the junction box or in the Liebert EXM Distribution Cabinet. The 3-phase power input to the Liebert EXM... -
Page 19: Figure 8 Electrical Connection Locations For 23.6" (600Mm) Cabinet
Top Input Cable to Input Breaker in Stand-Alone Configuration Ground Connection For Customer Term Lug Mech #14-2/0 1/4" Clear Plastic Cover Lug Set Mech for Input Breaker Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 20: Figure 9 Subfeed Sf2 Electrical Connection Location For 23.6" (600Mm) Cabinet
0.8" (20.3mm) 0.8" (20.3mm) Rated for minimum 0.2" (5mm) 14 AWG, maximum E-362B 2/0 STR copper 1.5" (38.1mm) Rev. 4 0.6" or aluminum wire (15.2mm) Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 21: Figure 11 Electrical Connection Location For 34.6" (880Mm) Cabinet
Breaker Subfeed Breaker Lug Set Mech Input For Subfeed Breaker Neutral Lug Set Mech for Input and Lug Set Subfeed Mech for Ground Input Breaker Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 22: Figure 12 Subfeed Sf6 Electrical Connection Location For 34.6" (880Mm) Cabinet
Conductor Range; 2 AWG--600 kcmil Item No. 552950P1 Torque: 375 lb-in (42.4Nm) Number of Ports: 2 Conductor Range; 2/0 AWG--500 kcmil Torque: 442 lb-in (50Nm) Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 23: Equipment Grounding
Risk of electric shock. Can cause equipment damage, improper operation, injury and death. Isolating bushings must not be used in a metal conduit run. These busings might prevent the system from being properly grounded. 2.2.3 Grounding Electrode Conductor for Liebert EXM Distribution Cabinets with Transformer Required by code - The Liebert EXM... -
Page 24: Figure 14 Typical Liebert Exm 600Mm Distribution Cabinet Equipment Arrangement
Figure 14 Typical Liebert EXM 600mm Distribution Cabinet equipment arrangement 94" (2388mm) 11.8" (300mm) 23.6" 23.6" 34.6" (880mm) (600mm) (600mm) 78.7" (2000mm) Battery Distribution Cabinet #1 Cabinet FRONT NOTES 1. 18" (457mm) minimum clearance above unit for ventilation. 2. Keep cabinet within 15 degrees of vertical. -
Page 25: Figure 15 Typical Liebert Exm 880Mm Distribution Cabinet Equipment Arrangement
Figure 15 Typical Liebert EXM 880mm Distribution Cabinet equipment arrangement 127.2" (3228mm) 11.8" (300mm) 32.9" 47.2" (1200mm) 34.6" (880mm) (840mm) 78.7" (2000mm) Battery Cabinet #1 Distribution Cabinet FRONT VIEW NOTES 1. All dimensions are in inches (mm). 2. 24" (610mm) minimum clearance above the unit for ventilation. -
Page 26: Equipment Inspection And Startup
Distribution Cabinet Initial System Startup A qualified electrician must be employed to perform the equipment inspection and startup. Liebert system startup may be arranged by calling your local Vertiv sales representative or Vertiv. In the United States, call 1-800-543-2378. Warranty A copy of the appropriate checklist (furnished with the equipment) must be completed, signed, dated and returned to Vertiv. -
Page 27: Operating Instructions
Make certain all of the Liebert EXM ’s circuit breakers are in the Off position. All Distribution Cabinet unit circuit breakers are located behind the front doors. Turn On building power to the Liebert . Turn On the Liebert EXM ’s main input circuit breaker. -
Page 28: Inspection And Startup Checklist
___ 4. Verify that input phase cables A, B and C are properly connected to the input breaker (standalone units) with the correct phase rotation. Refer to Figures 4 and 7 for additional details. When the Liebert EXM Distribution Cabinets are attached, the input power connects to a busbar or transformer. -
Page 29: Startup
Startup A qualified electrician should be employed to perform the equipment inspection and startup. Liebert system startup may be arranged by calling your local Vertiv sales representative or Vertiv. In the United States, call 1-800-543-2378. A copy of the appropriate checklist (furnished with the equipment) must be completed, signed, dated and returned to Vertiv. -
Page 30: Maintenance
Risk of electric shock and arc flash. Can cause equipment damage, injury and death. Only properly trained and qualified service personnel wearing appropriate safety headgear, gloves, shoes and glasses should perform maintenance on the Liebert EXM Distribution Cabinet system. Standard electrical troubleshooting procedures should be used to isolate problems in the unit. If there are questions, don’t hesitate to contact Vertiv. -
Page 31: Specifications
Ambient) (2) # 2/0 (2) # 4/0 (2) # 2/0 (2) # 3/0 (2) # 250 (2) # 350 (2) # 250 (2) # 350 Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 32: Table 6 Suggested Minimum Input Wire Size Data-480V Units, No Transformer
Electrical Connections with 1 Belleville Washer with 2 Belleville Washers Torque Torque lb-in lb-in Bolt Shaft Size, in./mm 1/4 / M6 5/16 / M8 18.0 Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... -
Page 33: Table
Up to 30 amp 40 to 100 amp Table 11 Terminal block compression lug torque specifications Torque AWG Wire Size or Range lb-in #14 - #10 Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™... - Page 34 NOTES Vertiv | Liebert Distribution Cabinet for Liebert EXM User Manual | ™ ® ™ ™...
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- Page 38 VertivCo.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA © 2018 Vertiv Co. All rights reserved. Vertiv and the Vertiv logo are trademarks or registered trademarks of Vertiv Co. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness herein, Vertiv Co.