Vertiv Liebert AF4 User manual

Vertiv™ Liebert® AF4
User Manual

Vertiv™ Liebert® AF4 User Manual
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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.
Visit https://www.vertiv.com/en-in/support/ for additional assistance.
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. Refer to other local
practices or building codes as applicable for the correct methods,
tools, and materials to be used in performing procedures not
specifically described in this document.
The products covered by this instruction manual are manufactured
and/or sold by Vertiv. This document is the property of Vertiv and
contains confidential and proprietary information owned by Vertiv.
Any copying, use, or disclosure of it without the written permission of
Vertiv is strictly prohibited.
Names of companies and products are trademarks or registered
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Vertiv™ Liebert® AF4 User Manual

TABLE OF CONTENTS
1 General Instructions 1
2 Handling Instructions 3
3 Recommended Environmental Conditions 5
4 Electrical Installation Requirements 7
5 Maintenance Requirements 9
6 HMI Operating Instructions 11
6.1 Home 12
6.2 Oscilloscope 18
6.3 Harmonics 21
6.4 Phasor 24
6.5 Meter 26
6.6 Settings 28
6.7 Harmonics Selection (Harm. Sel) 34
6.8 History 35
7 Technical Specifications 37
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Vertiv™ Liebert® AF4 User Manual

1 General Instructions
• Instructions and precautionary measures listed in this manual should be strictly used for the
safety of the product as well as the operators.
• All the ratings and/or variants of Vertiv™ Liebert® AF4, (Active Filter) in their open-door
condition on any side, have exposed live parts (holding/operating high voltage) such as
components, PCBs, terminals, and cables.
• The energy storage elements used in the Liebert® AF4 hold the high DC voltage even after
switching/disconnecting all the power connections.
• Only the trained and authorized electrical personnel are allowed to handle and/or install and/or
repair the Liebert® AF4.
• Improper handling and/or use and/or maintenance of the Liebert® AF4 will be hazardous to
humans as well as the product. Such instances should be strictly avoided.
1 General Instructions 1
Vertiv™ Liebert® AF4 User Manual

1 General Instructions
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2 Handling Instructions
• Equipment while in packed condition should be kept in the upright position as per the arrow
indication mark on the packing.
• Store the equipment in dry location having temperature range between -10 °C to 70 °C.
• Once received at the site on a dedicated transport vehicle, use the fork lift and/or cranes to
move the equipment as close as possible to the installation site.
• Ensure proper unpacking by the experienced personnel at site as per standard practices.
• The unpacked equipment should be physically inspected for any signs of apparent damage
either during the transportation and/or handling. In case of any such signs, do not install the
equipment, and inform the Vertiv service team accordingly.
• Each Liebert® AF4 unit is equipped with 4 eye bolts on top. Once unpacked, an appropriate eye
hook with sufficient loading capacity should be utilized to position the Liebert® AF4 at the sit.

2 Handling Instructions 3
Vertiv™ Liebert® AF4 User Manual

Figure 2.1 Eye bolt

Figure 2.2 Lifting hook

Figure 2.3 Lifting Liebert® AF4 using lifting-hook (Top View)
2 Handling Instructions
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Vertiv™ Liebert® AF4 User Manual

3 Recommended Environmental Conditions
• Equipment should be installed in a room free from water in any form such as vapor, steam,
droplets, seepage, spills, etc.
• The location should be free from vibrations and/or shocks.
• Vertiv™ Liebert® AF4 should be installed in a shaded room to avoid exposure to direct sunlight.
• The place should be well-ventilated ensuring the room temperatures (considering 3% thermal
losses from Liebert® AF4), stay below the specified product ambient temperature (< 50 °C). The
ventilation system should ensure that no direct dust deposits form in the room.
• The foundation should be able to handle the weight of the Liebert® AF4 with provisions to
facilitate bottom cable entry into the unit.
• The minimum clearance on all sides of the Liebert® AF4 should be provided to ensure proper
ventilation and maintenance space. Minimum requirements are 1000 mm at the front, 300 mm
on all three sides, and 400 mm on top.
• Approximate product weight and heat losses in the Liebert AF4 range are given in the table
below:
Rating (A)
3-Wire 4-Wire
Weight (kg) Heat Loss (W) Weight (kg) Heat Loss (W)
30 85 550 95 733
60 120 1022 132 1363
100 138 1430 190 1907
150 210 2148 244 2864
200 240 2834  
300 410 4296  
400 460 5668  
Table 3.1 Product weight and heat losses in the Vertiv™ Liebert® AF4

NOTE: The space in which the Vertiv™ Liebert® AF4 is installed should be designed to dissipate the
additional thermal losses specified in the table.
NOTE: The platform on which the Vertiv™ Liebert® AF4 is installed should be able to support twice
the original weight of the Vertiv™ Liebert® AF4 mentioned in the table.
3 Recommended Environmental Conditions 5
Vertiv™ Liebert® AF4 User Manual

3 Recommended Environmental Conditions
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Vertiv™ Liebert® AF4 User Manual