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Related Manuals for Vertiv Liebert Maintenance Bypass Cabinet
Summary of Contents for Vertiv Liebert Maintenance Bypass Cabinet
- Page 1 Liebert® Maintenance Bypass Cabinet Installer/User Guide...
- Page 2 Technical Support Site If you encounter any installation or operational issues with your product, check the pertinent section of this manual to see if the issue can be resolved by following outlined procedures. For additional assistance, visit https://www.VertivCo.com/en-us/support/...
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Page 3: Table Of Contents
8.2 Shutting Down the UPS 8.3 Transferring the System from UPS to Maintenance Bypass Operation 8.4 Transferring the System from Maintenance Bypass to UPS Operation 9 Maintenance 9.1 Proper Care 9.2 Scheduled Maintenance 9.2.1 Replacing Fan Filters—Transformer Models Only 10 Specifications Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... - Page 4 Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 5: Important Safety Instructions
Observe all cautions and warnings in this manual. Failure to do so may result in serious injury or death. Never work alone. The Liebert Maintenance Bypass Cabinet is designed for use on properly grounded (earthed) 208/240VAC, 60Hz supply, for installation by qualified personnel. This UPS equipment is intended to be... - Page 6 Table 1.1 Glossary of Symbols (con- tinued) SYMBOL DESCRIPTION Requests the user to consult the manual Equipment Grounding Conductor On/Off Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 7: General Description
Congratulations on your purchase of Liebert’s Maintenance Bypass Cabinet with Configurable Output Distribution. As with every Vertiv™ product, we stand behind our quality. If you have any questions concerning this Maintenance Bypass Cabinet, please feel free to contact your local dealer, Vertiv™... - Page 8 Figure 2.1 Front view Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
- Page 9 Figure 2.2 Rear view (without transformer) Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
- Page 10 Figure 2.3 Rear view (with transformer) Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 11: Modes Of Operation
In this mode of operation the load is NOT protected by the UPS. The Bypass Switch rotated toward the amber lamp indicates this mode. See Operation on page 29 for instructions on use. Figure 3.1 Bypass operation modes Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... - Page 12 This page intentionally left blank. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 13: Major Components
/ 208 / 120 / 120 output. Models with transformers are provided with redundant cooling fans and user serviceable fan filters. The fans operate only when the system is in Bypass mode. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... - Page 14 This page intentionally left blank. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 15: Preparation
Cabinet (including environmental requirements) and for connecting the input and output power cables. 5.1 Inspection Upon receiving the Maintenance Bypass Cabinet, examine the packaging for any signs of mishandling or damage. If any damage is noted, contact your local dealer or Vertiv™ representative and notify your carrier. 5.2 Environment The Maintenance Bypass Cabinet environment must be free of conductive contaminants and excessive moisture (water condensation), flammable vapors, chemical fumes, or corrosive gases and liquids. - Page 16 Figure 5.1 Clearances Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 17: Unloading
4. Using two people, slowly roll the cabinet down the ramp until the unit is on a level surface (see below, left). 5. Once the cabinet is in the desired location, adjust the leveling feet to secure its position (see below, right). Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... -
Page 18: Stationary Mounting
Additional stability can be added by bolting the mounting brackets (used in shipping) to the floor. For greater stability, use a higher-grade bolt. Refer to the dimensions below when drilling holes for stationary mounting. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... - Page 19 Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
- Page 20 This page intentionally left blank. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 21: Cable Installation
3. Using a 3/16" Allen wrench, loosen terminal mounting jumpers between TB1 and TB2. 4. Remove jumpers and retighten terminals to 50 in-lb. 5. Connect primary source to TB2 and secondary source to TB1. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... - Page 22 Figure 7.1 Jumper removal—transformer models and non-transformer models Figure 7.2 Maintenance Bypass Cabinet with transformer Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 23: Removing The Cover Plates
208VAC are made between the UPS and the Maintenance Bypass, the 208 input voltage jumper must be installed for proper operation. To install this jumper, place the jumper wire provided in the accessory kit between Pin 1 and Pin 2 on TB4. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... - Page 24 Maintenance Bypass with transformer are a separately derived source and contain a neutral-to-ground bonding jumper. A grounding electrode conductor (GEC) must be installed in accordance with national and local wiring codes and regulations. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
- Page 25 Figure 7.4 Electrical connections—transformer model MBC Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
- Page 26 Figure 7.5 Electrical connections—non-transformer model MBC Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
- Page 27 TB2. The jumpers between TB1 and TB2 must be removed. 3. If connected equipment is a combination of 208 VAC and 120 VAC, use a three-phase panel board connected to the output terminal TB6. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
- Page 28 TB2. The jumpers between TB1 and TB2 must be removed. 3. If connected equipment is a combination of 208 VAC and 120 VAC, use a three-phase panel board connected to the output terminal TB5. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 29: Operation
Navigate to the Control menu and select Turn OFF UPS and then press Enter to confirm action. On Liebert Nfinity UPS models: • Open the UPS output circuit breaker. • Turn the UPS output off through the User Interface display. • Open the control enable switch. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... -
Page 30: Transferring The System From Ups To Maintenance Bypass Operation
4. Verify that the green UPS lamp is illuminated (located near the rotary-bypass switch on the Maintenance Bypass Cabinet. 5. Turn the Bypass switch (SW1) to the UPS position on the Maintenance Bypass Cabinet. The connected equipment is now powered and is protected by the UPS. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... -
Page 31: Maintenance
It is recommended that a certified technician perform preventive and corrective maintenance. Vertiv™ Services is dedicated to ensuring the highest level of performance and unmatched support for your Maintenance Bypass Cabinet . Contact a Vertiv™ representative for services to guarantee maximum reliability and system availability. - Page 32 The fan filters are washable and may be reused. To wash these filters, place them under a running faucet (with the dirty side down) to remove dirt and dust. Blot dry with a towel and allow to air-dry before reusing it. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
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Page 33: Specifications
208 or 240 Input Frequency (nominal) Input Frequency Range 55-65 Output Data 208/240 Output Voltage 120/120/208/240 120/120/240* 120/120/208* Transfer Time msec <4 msec typical Output Frequency * Transformerless model requires neutral input Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |... - Page 34 This page intentionally left blank. Vertiv | Liebert® Maintenance Bypass Cabinet Installer/User Guide |...
- Page 36 VertivCo.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA © 2017 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.