Vertiv eSure I120-1000 User manual

eSure™
Inverter Module
User Manual
Specification Number: 1I1201000
Model Number: I120-1000

Vertiv™ eSure™ Inverter Module User Manual
Vertiv™ eSure™ Inverter Module User Manual
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 trademarks of
the respective companies. Any questions regarding usage of trademark
names should be directed to the original manufacturer.
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.
Visit https://www.vertiv.com/en-us/support/ for additional assistance.

Vertiv™ eSure™ Inverter Module User Manual
iii
TABLE OF CONTENTS
Admonishments Used in this Document.............................................................................................................................iv
Important Safety Instructions..................................................................................................................................................v
Static Warning ............................................................................................................................................................................ vii
1Introduction...............................................................................................................................................................................1
1.1 Overview.................................................................................................................................................................................................................................................................................1
1.2 Specifications.....................................................................................................................................................................................................................................................................1
1.2.1 AC Output Ratings.................................................................................................................................................................................................................................1
1.2.2 DC Input Ratings.....................................................................................................................................................................................................................................3
1.2.3 AC Input Ratings.....................................................................................................................................................................................................................................3
1.2.4 Environmental Ratings ......................................................................................................................................................................................................................3
1.2.5 Compliance Information ...................................................................................................................................................................................................................4
1.2.6 Standard Features .................................................................................................................................................................................................................................4
1.2.7 Mechanical Specifications..............................................................................................................................................................................................................5
2Operation ..................................................................................................................................................................................7
2.1 Local Indicators ..............................................................................................................................................................................................................................................................7
2.2 Installing Inverter Modules...................................................................................................................................................................................................................................8
3Troubleshooting and Repair ..............................................................................................................................................9
3.1 Troubleshooting.............................................................................................................................................................................................................................................................9
3.1.1 Inverter Module Parallel Current Sharing Abnormal .............................................................................................................................................9
3.1.2 Inverter Module Fault Symptoms and Troubleshooting....................................................................................................................................9
3.2 Replacement Procedures...................................................................................................................................................................................................................................10
3.2.1 Inverter Module Replacement.................................................................................................................................................................................................10
3.2.2 Inverter Fan Replacement............................................................................................................................................................................................................ 11

Vertiv™ eSure™ Inverter Module User Manual
iv
Admonishments Used in this Document
DANGER!
Warns of a hazard the reader will be exposed to that will likely result
in death or serious injury if not avoided. (ANSI, OSHA)
WARNING!
Warns of a potential hazard the reader may be exposed to that could
result in
death or serious injury if not avoided. This admonition is not used for situations that pose a
risk o
nly to equipment, software, data, or service. (ANSI)
CAUTION!
Warns of a potential hazard the reader may be exposed to that could
result in minor or moderate injury if not avoided. (ANSI, OSHA) This admonition is not
used for situations that pose a risk only to equipment, data, or service, even if such use
appears to be permitted in some of the applicable standards. (OSHA)
ALERT!
Alerts the reader to an action that must be avoided in order to protect
equipment, software, data, or service. (ISO)
ALERT!
Alerts the reader to an action that must be performed in order to prevent
equipment damage, software corruption, data loss, or service interruption. (ISO)
FIRE SAFETY!
Informs the reader of fire safety information, reminders, precautions,
or policies, or of the locations of fire
-fighting and fire-safety equipment. (ISO)
SAFETY!
Informs the reader of general safety information, reminders, precautions, or
policies not
related to a particular source of hazard or to fire safety. (ISO, ANSI, OSHA)

Vertiv™ eSure™ Inverter Module User Manual
v
Important Safety Instructions
Safety Admonishments Definitions
Definitions of the safety admonishments used in this document are listed under “Admonishments Used in this Document” on page iv.
General Safety
DANGER! YOU MUST FOLLOW APPROVED SAFETY PROCEDURES.
Performing the following procedures may expose you to hazards. These procedures should be performed by qualified
technicians familiar with the hazards associated with this type of equipment. These hazards may include shock, energy,
and/or burns. To avoid these hazards:
a) The tasks should be performed in the order indicated.
b) Remove watches, rings, and other metal objects.
c) Prior to contacting any uninsulated surface or termination, use a voltmeter to verify that no voltage or the expected
voltage is present. Check for voltage with both AC and DC voltmeters prior to making contact.
d) Wear eye protection.
e) Use certified and well maintained insulated tools. Use double insulated tools appropriately rated for the work to be
performed.
Voltages
AC Input Voltages
DANGER! This system operates from AC input voltage capable of producing fatal electrical shock.
AC Output Voltages
DANGER! This system produces AC output voltage capable of producing fatal electrical shock.
AC output voltage is present even if only the DC input is connected!
DANGER! Follow local lockout/tagout procedures to ensure AC branch circuit protection devices remain de-energized
during installation at loads, as required.
DC Input Voltages
DANGER! This system operates from DC input voltage. Although the DC voltage is not hazardously high, the DC input
power can deliver large amounts of current. Exercise extreme caution not to inadvertently contact or have any tool
inadvertently contact a DC input terminal or exposed wire connected to a DC input terminal. NEVER allow a metal object,
such as a tool, to contact more than one DC input terminal at a time, or to simultaneously contact a DC input terminal and a
grounded object. Even a momentary short circuit can cause sparking, explosion, and injury.

Vertiv™ eSure™ Inverter Module User Manual
vi
Personal Protective Equipment (PPE)
DANGER! ARC FLASH AND SHOCK HAZARD.
Appropriate PPE and tools required when working on this equipment. An appropriate flash protection boundary analysis
should be done to determine the “hazard/risk” category, and to select proper PPE.
Only authorized and properly trained personnel should be allowed to install, inspect, operate, or maintain the equipment.
Do not work on LIVE parts. If required to work or operate live parts, obtain appropriate Energized Work Permits as required
by the local authority, per NFPA 70E “Standard for Electrical Safety in the Workplace”.
Hazardous Voltage
DANGER! HAZARD OF ELECTRICAL SHOCK.
More than one disconnect may be required to de-energize the system before servicing. The inverter system is not supplied
with internal input voltage disconnect devices. It is a dual input power supply. Even if the main AC power to the inverter
system has been disconnected, potential harm still exists from the inverters taking power from the DC input power source.
Handling Equipment Containing Static Sensitive Components
ALERT! Installation or removal of equipment containing static sensitive components requires careful handling. Before
handling any equipment containing static sensitive components, read and follow the instructions under “Static Warning” on
page vii.
Maintenance and Replacement Procedures
CAUTION! When performing any step in the procedures that requires removal or installation of hardware, use caution to
ensure no hardware is dropped and left inside the unit; otherwise service interruption or equipment damage may occur.
NOTE! When performing any step in the procedures that requires removal of existing hardware, retain all hardware for use in
subsequent steps, unless otherwise directed.

Vertiv™ eSure™ Inverter Module User Manual
vii
Static Warning
This equipment contains static sensitive components. The warnings listed below must be observed to prevent damage to
these components. Disregarding any of these warnings may result in personal injury or damage to the equipment.
1. Strictly adhere to the procedures provided in this document.
2. Before touching any equipment containing static sensitive components, discharge all static electricity from yourself by
wearing a wrist strap grounded through a one megohm resistor. Some wrist straps have a built-in one megohm resistor;
no external resistor is necessary. Read and follow wrist strap manufacturer’s instructions outlining use of a specific wrist
strap.
3. Do not touch traces or components on equipment containing static sensitive components. Handle equipment
containing static sensitive components only by the edges that do not have connector pads.
4. After removing equipment containing static sensitive components, place the equipment only on static dissipative
surfaces such as conductive foam or ESD bag. Do not use ordinary Styrofoam or ordinary plastic.
5. Store and ship equipment containing static sensitive components only in static shielding containers.
6. If necessary to repair equipment containing static sensitive components, wear an appropriately grounded wrist strap,
work on a conductive surface, use a grounded soldering iron, and use grounded test equipment.

Vertiv™ eSure™ Inverter Module User Manual
viii
This page intentionally left blank.

Vertiv™ eSure™ Inverter Module User Manual
1
1Introduction
1.1 Overview
The Vertiv™ eSure™ 1I120-1000 is a compact inverter module which offers efficient power conversion. It operates from a nominal 120
VAC or 48 VDC source (as a default power input) to provide nominal 120 VAC load power.
The system the inverter module is installed in can be set to operate in one of two input power modes, AC Input Power Mode and DC
Input Power Mode.
•In the AC Input Power Mode, each inverter module operates with the commercial AC input to supply 120 VAC power to the
loads. In the event commercial AC power fails or becomes abnormal, the inverter modules immediately transfer operation
with the 48 VDC input to power the inverters.
•In the DC Input Power Mode, each inverter module operates with the 48 VDC input to supply 120 VAC power to the loads. In
the event DC power fails or becomes abnormal or an inverter module fails, the inverter module immediately transfers
operation with the commercial 120 VAC input to power the inverters.
1.2 Specifications
1.2.1 AC Output Ratings
•Output Voltage: 120 VAC. Selectable 50 Hz or 60 Hz from inverter, with up to maximum 0.25% deviation. The default value
is 120 VAC and 60 Hz.
•Output Power: 1.0 kW resistance load at 120 VAC output.
•Overload Ability:
a) Lower or equal than 125%, in 15 seconds.Maximal current is 3x in with 120 ms.
b) Lower or equal than the overload value 15 seconds (the overload value: as the input voltage increases, the overload
value increases linearly from 105% to 125%).
c) Short Circuit Protection: The inverter will not restart if a short circuit occurs on the output voltage for 60s or more.
•Transfer Time: No disturbances or deviations on the AC output during the transfer between the input power sources, the
transfer time is 0s.
•Start Up Time: Upon module insertion - maximum 60 seconds.
•Load Power Factor: 0.65 lagging to 0.9 leading.
•Power Derating Based on Temperature: The inverter delivers full power when operating at an ambient temperature of +45 °C
(+113 °F) or below. Each inverter continuously monitors the ambient temperature surrounding the power conversion circuit.
If this temperature for any reason (such as a high ambient temperature) increases above approximately +45 °C (+113 °F), the
inverter will not shut down. Rather, the inverter limits its maximum output power to maintain the temperature of the power
conversion circuit within design parameters. Operation between +45 °C (+113 °C) and +80 °C (+176 °F) will result in output
power being decreased. The inverter delivers 50% load at an ambient temperature of +65 °C (+149 °F) with linear derating
to 50% from 45 °C to 65 °C. The inverter delivers 0% load at an ambient temperature of +80 °C with linear derating to 0%
from 65 °C to 80 °C. Full power capability is restored when the temperature decreases to below approximately +45 °C
(+113 °F). Refer to Figure 1.1 to view the relationship between the output power and the ambient temperature.

Vertiv™ eSure™ Inverter Module User Manual
2
WARNING! The inverter is rated for continuous operation at full output power up to +45 °C (+113 °F). Operation between
+45 °C (+113 °F) and +80 °C (+176 °F) will result in output power decrease. When ambient temperature increases above
+80 °C (+176 °F), the inverter shuts down.
Figure 1.1: Power Derating Based on Temperature
•Dynamic Regulation: In accordance with IEC 62040-3 specifies recovery time.
•THDu: <3% at resistive load, compliant with IEC 62040-3.
•Crest Factor at Nominal Power: 3:1.
•Output Protection Alarm: An alarm is sent to the controller when 80% load is reached. A critical load alarm is sent to the
controller when 100% load is reached.
•Efficiency Curve:Refer to Figure 1.2 for an AC-AC efficiency curve . Refer to Figure 1.3 for a DC-AC efficiency curve.
Figure 1.2: AC-AC Efficiency Curve (60Hz)
0
20
40
60
80
100
120
-20 020 40 60 80 100
% of output power
Temperature (℃)
Output power vs. Temperature
90.00%
91.00%
92.00%
93.00%
94.00%
95.00%
96.00%
20% 30% 40% 50% 60% 70% 80% 90% 100%
Efficiency
Load
AC-AC Efficiency VS Load
120V