USER’S AND INSTALLATION
GUIDE
Eaton 93PS UPS
8-40 kW
P-164000493
Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
Copyright © 2015 Eaton Corporation plc. All rights reserved.
This manual contains important instructions that you should follow during
installation and maintenance of the UPS and batteries. Please read all instructions
before operating the equipment and save this manual for future reference.
This is a product for commercial and industrial application in the second
environment. Installation restrictions or additional measures may be needed to
prevent disturbances.
The contents of this manual are the copyright of the publisher and may not be
reproduced (even extracts) without the written approval of Eaton Corporation.
Every care has been taken to ensure the accuracy of the information contained in
this manual, but no liability can be accepted for any errors or omission. The right
to make design modifications is reserved.
Unauthorized copying and lending are prohibited.
Eaton Power Quality Oy
Address:
Koskelontie 13
FI-02920 Espoo
Finland
Internet:
www.eaton.eu
Approvals and version history
REVISION
DATE
DESCRIPTION OF CHANGE
APPROVED BY
001
17.04.2015
First issue
Otto Asunmaa
002
06.07.2015
Minor updates
Otto Asunmaa
Original instructions _X_ / Translation of the original instructions ___
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
Contents
Contents ..................................................................................................................... 2
1
How to read this manual ................................................................................ 6
1.1
Safety-related signs .......................................................................... 6
1.2
Safety symbols................................................................................. 6
1.3
2
3
1.2.1
Hazard symbols ................................................................... 6
1.2.2
Prohibited action symbols .................................................... 7
1.2.3
Mandatory action symbols ................................................... 7
Conventions used in this document ................................................. 7
Safety instructions ........................................................................................... 8
2.1
Audience .......................................................................................... 11
2.2
CE marking....................................................................................... 11
2.3
User precautions .............................................................................. 11
2.4
Environment..................................................................................... 12
2.5
Symbols on the UPS and accessories .............................................. 13
2.6
For more information........................................................................ 13
Introduction to Eaton UPS ............................................................................. 14
3.1
3.2
3.3
3.4
3.5
Looking inside the UPS system ........................................................ 16
UPS operating modes ...................................................................... 18
3.2.1
Normal operating modes...................................................... 18
3.2.2
Stored energy and battery mode.......................................... 22
3.2.3
Bypass mode ....................................................................... 24
UPS features .................................................................................... 26
3.3.1
Advanced Battery Management........................................... 26
3.3.2
Powerware Hot Sync ........................................................... 26
3.3.3
3.3.4
Power Conditioner ............................................................... 27
Frequency Converter ........................................................... 28
3.3.5
Sync Control ........................................................................ 28
Software and connectivity features .................................................. 28
3.4.1
User interface ...................................................................... 28
3.4.2
Power Management Software ............................................. 28
Options and accessories .................................................................. 29
3.5.1
Maintenance Bypass Switch (optional) ................................. 29
3.6
3.5.2 Field installed UPM (accessory) ........................................... 29
Battery system ................................................................................. 30
3.7
Basic system configurations ............................................................. 30
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Eaton 93PS UPS 8-40 kW
4
UPS installation plan and unpacking ............................................................ 33
4.1
4.2
Creating an installation plan .............................................................. 33
Installation checklist ......................................................................... 33
4.3
Site preparations .............................................................................. 34
4.4
5
Environmental and installation considerations ...................... 35
4.3.2
UPS system power wiring preparations ............................... 38
Unpacking and unloading the UPS .................................................... 45
UPS system installation .................................................................................. 50
Steps to install the UPS .................................................................... 50
5.2
Battery system installation ............................................................... 54
5.3
5.2.1 Battery trip wiring ................................................................ 54
Installing UPS external battery cabinet and battery power cabling .... 56
5.4
Installing a remote EPO switch ........................................................ 56
5.5
Installing interface connections ........................................................ 57
5.7
7
4.3.1
5.1
5.6
6
User’s and Installation Guide
5.5.1
Installing customer input signal interface ............................. 58
5.5.2
Battery breaker wiring interface ........................................... 58
5.5.3
Relay output interface connections ...................................... 59
5.5.4
5.5.5
Industrial Relay Card interface connections.......................... 59
MiniSlot interface connections ............................................. 60
5.5.6
Installing signal interface connections in a parallel
system................................................................................. 61
Wiring parallel 93PS UPS systems ................................................... 61
5.6.1
Power wiring overview ........................................................ 61
5.6.2
5.6.3
Control signals overview ...................................................... 64
Installing bypass control wiring ............................................ 64
UPS system interface wiring preparations ........................................ 67
Communication interfaces ............................................................................. 69
6.1
MiniSlot cards .................................................................................. 71
6.2
Intelligent Power Software ............................................................... 73
6.3
Signal input monitoring ..................................................................... 74
6.4
General purpose relay contact .......................................................... 74
6.5
Configuring relays ............................................................................ 74
UPS operating instructions ............................................................................. 79
7.1
UPS controls and indicators .............................................................. 80
7.1.1
Control panel ....................................................................... 80
7.1.2
Status indicators .................................................................. 81
7.1.3
System events ..................................................................... 83
7.1.4
Menu structure of the 93PS UPS ......................................... 83
7.2
Signing in ......................................................................................... 87
7.3
System control instructions .............................................................. 87
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Eaton 93PS UPS 8-40 kW
7.4
7.5
7.3.1
Starting the UPS system in the double conversion
mode ................................................................................... 87
7.3.2
Starting the UPS system in the bypass mode ...................... 89
7.3.3
Transferring from the double conversion mode to the
bypass mode ....................................................................... 90
7.3.4
Transferring from the bypass mode to the double
conversion mode ................................................................. 90
7.3.5
Transferring from the double conversion mode to the
Energy Saver System Mode ................................................ 91
7.3.6
Transferring from the Energy Saver System mode to
the double conversion mode................................................ 91
7.3.7
7.3.8
Shutting down the UPS system and critical load .................. 92
De-energizing the critical load .............................................. 92
UPS control instructions ................................................................... 93
7.4.1
Starting a single UPS ........................................................... 93
7.4.2
Shutting down a single UPS ................................................. 94
7.4.3
Enabling and disabling the battery charger ........................... 94
UPM control instructions .................................................................. 95
7.5.1
7.6
8
9
User’s and Installation Guide
Starting the UPMs ............................................................... 95
7.5.2 Shutting down the UPMs..................................................... 96
Using the Remote Emergency Power-off switch.............................. 96
7.7
Turning the UPS from the double conversion mode to
maintenance bypass......................................................................... 97
7.8
Turning the UPS from the maintenance bypass mode to the
double conversion mode .................................................................. 100
UPS maintenance ............................................................................................ 102
8.1
Important safety instructions ............................................................ 102
8.2
Performing preventive maintenance ................................................. 104
8.2.1
Preventive maintenance plan ............................................... 104
8.2.2
Daily maintenance ............................................................... 105
8.2.3
8.2.4
Monthly maintenance .......................................................... 105
Periodic maintenance........................................................... 105
8.2.5
Annual maintenance ............................................................ 106
8.2.6
Battery maintenance ............................................................ 106
8.3
Recycling the used UPS or batteries ................................................ 106
8.4
Maintenance training ........................................................................ 108
Technical data .................................................................................................. 109
9.1
Standards ......................................................................................... 109
9.2
9.3
UPS system input............................................................................. 110
UPS system output .......................................................................... 111
9.4
UPS environmental specifications .................................................... 112
9.5
Battery specification ......................................................................... 112
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10
User’s and Installation Guide
Warranty ........................................................................................................... 114
10.1
10.2
General ............................................................................................ 114
Whom to contact in case of Warranty .............................................. 115
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Eaton 93PS UPS 8-40 kW
1
User’s and Installation Guide
How to read this manual
1.1
Safety-related signs
The following table explains the safety-related signs used in this
document.
DANGER
DANGER indicates a hazard with a high level of risk which,
if not avoided, will result in serious injury or death.
WARNING
WARNING indicates a hazard with a medium level of risk
which, if not avoided, could result in serious injury or
death, or damage to your machine.
CAUTION
CAUTION indicates a hazard with a low level of risk which,
if not avoided, could result in minor or moderate injury or
damage to your machine.
NOTE: Notes are used to indicate important information and useful tips.
1.2
Safety symbols
1.2.1
Hazard symbols
These symbols indicate a hazardous situation or action. Symbols are
used to warn of situations, which may cause environmental damage and
personal injury.
General warning symbol
Explosion and fire
hazard
Electrical hazard
Corrosive hazard
Battery hazard
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Eaton 93PS UPS 8-40 kW
1.2.2
User’s and Installation Guide
Prohibited action symbols
These symbols are used to indicate an action that should not be
taken.
General symbol for
prohibited action
No smoking
Limited or restricted
access
1.2.3
Mandatory action symbols
These symbols are used to indicate an action that must be taken.
General symbol for
mandatory action
Disconnect from
power source
Read the manual or
instructions
1.3
Conventions used in this document
This document uses the following type conventions:
•
Bold type highlights important concepts in discussions, key terms in
procedures and menu options, or represents a command or option
that you type or enter at a prompt.
•
Italic type highlights notes and new terms when they are defined.
•
Screen type represents information that appears on the screen
or LCD.
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Eaton 93PS UPS 8-40 kW
2
User’s and Installation Guide
Safety instructions
.
DANGER
Important safety instructions!
Save these instructions!
This document contains important instructions that must be followed
during the installation, operation and maintenance of the UPS and the
batteries. Read all of the instructions before operating the equipment.
Keep this manual for future reference.
The UPS operates with mains, battery or bypass power. It contains
components that carry high currents and voltage. A properly installed
enclosure is earthed and IP20 rated against electrical shock and foreign
objects. However, the UPS is a sophisticated power system and only
qualified personnel are allowed to install and service it.
.
DANGER
This UPS carries lethal voltages. All repairs and service must be
performed by authorized personnel only. There are no user-serviceable
parts inside the UPS.
.
DANGER
Operations inside the UPS must be performed by a service engineer
from the manufacturer or from an agent authorized by the
manufacturer.
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WARNING
The UPS is powered by its own energy source (batteries). The output
terminals may be energized even when the UPS is disconnected from
an AC source. To reduce the risk of fire or electric shock, install this
UPS in a temperature and humidity controlled, indoor environment that
is free of conductive contaminants.
The ambient temperature must not exceed 40 °C (104 °F). Do not
operate the UPS near water or excessive humidity (95% maximum).
The system is not intended for outdoor use.
Before you start any installation or service work, make sure that all AC
and DC power sources are disconnected. Power may come from
multiple sources. Also ensure system grounding / PE continuity.
In a parallel system, the output terminals may be energized even when
the UPS is turned off.
Batteries can present a risk of electrical shock or burn from high shortcircuit current.
Electric energy hazard. Do not attempt to alter any battery wiring or
connectors. Attempting to alter wiring can cause injury.
Do not open or mutilate batteries. Released electrolyte may be toxic
and is harmful to the skin and eyes.
IMPORTANT: The battery may consist of multiple parallel strings.
Make sure that you disconnect all strings before installation.
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User’s and Installation Guide
CAUTION
Only qualified service personnel knowledgeable of batteries and the
required precautions are allowed to perform installation or service work
on batteries. Keep unauthorized personnel away from the batteries.
Before you install or replace batteries, consider all the warnings,
cautions, and notes concerning appropriate handling. Do not
disconnect the batteries when the UPS is in the Battery mode.
Make sure that your replacement batteries are of the same number
and type as the battery that was originally installed in the UPS. See
more accurate instructions on the UPS.
Before you connect or disconnect battery terminals, disconnect the
charging source by opening the corresponding battery circuit breaker.
Check if the battery is inadvertently grounded. If it is, remove the
source of the ground. Contacting any part of a grounded battery can
cause a risk of electric shock. If you disconnect the grounding
connection before you work on the batteries, the risk of an electric
shock is less likely.
Dispose of batteries according to your local disposal requirements.
Do not dispose of batteries in a fire. When exposed to flame, batteries
may explode.
To ensure proper cooling airflow and to protect personnel from
dangerous voltages inside the unit, keep the UPS door closed and the
front panels installed.
Do not install or operate the UPS system close to gas or electric heat
sources.
Keep the operating environment within the parameters stated in this
document.
Keep the surroundings of the UPS uncluttered, clean, and free from
excess moisture.
Observe all DANGER, CAUTION, and WARNING notices affixed to the
inside and outside of the equipment.
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Eaton 93PS UPS 8-40 kW
2.1
User’s and Installation Guide
Audience
The intended audience of this document is as follows:
•
People who plan and perform the installation of the UPS
•
People who use the UPS
This document provides guidelines for how to check the UPS delivery
and how to install and operate the UPS.
The reader is expected to know the fundamentals of electricity, wiring,
electrical components and electrical schematic symbols. This document
is written for a global reader.
CAUTION
Read this document before you start to operate or perform work on
the UPS.
2.2
CE marking
The product has a CE marking in compliance with the following
European directives:
•
LV Directive (Safety) 2006/95/EC
•
EMC Directive 2004/108/EC
Declarations of conformity with UPS harmonized standards and
directives EN 62040-1 (Safety) and EN 62040-2 (EMC) are available at
www.eaton.eu or by contacting your nearest Eaton office or authorized
partner.
2.3
User precautions
The only permitted user operations are as follows:
•
Startup and shutdown of the UPS, excluding the commissioning
startup.
•
Use of the LCD control panel and the Maintenance Bypass Switch
(MBS).
•
Use of optional connectivity modules and their software.
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User’s and Installation Guide
Follow the precautions and only perform the described operations. Any
deviation from the instructions can be dangerous to the user or cause
accidental load loss.
.
DANGER
Do not open any other screws in the unit than those holding the cover
plates of the MiniSlots and the MBS locking plate. Failure to recognize
the electrical hazards can prove fatal.
CAUTION
The 8-40 kW models are available as a C2 UPS product in regard to
emissions and a C3 UPS product in regard to immunity. The UPS can
be placed both in residential and commercial or industrial
environments. When included in a residential environment, this
product may cause radio interference, in which case you may have to
take additional preventive measures.
2.4
Environment
The UPS must be installed according to the recommendations in this
document. Never install the UPS in an airtight room, in the presence of
flammable gases, or in an environment exceeding the specifications.
Excessive amount of dust in the operating environment of the UPS may
cause damage or lead to malfunction. Always protect the UPS from the
outside weather and sunshine. In order to maximize internal battery
service life time, the recommended operating temperature range is from
+20 ºC to +25 ºC.
WARNING
During charge, float charge, heavy discharge, and overcharge,
hydrogen and oxygen gases are emitted from lead-acid and NiCd
batteries into the surrounding atmosphere. Explosive gas mixture may
be created if the hydrogen concentration exceeds 4% by volume in air.
Ensure the necessary air flow rate for the ventilation of the UPS
location.
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Eaton 93PS UPS 8-40 kW
2.5
User’s and Installation Guide
Symbols on the UPS and accessories
The following are examples of symbols used on the UPS or its
accessories. The symbols are used to alert you of important information.
RISK OF ELECTRIC SHOCK
Indicates that a risk of electric shock is present and the
associated warning should be observed.
CAUTION: REFER TO OPERATOR'S
MANUAL
Refer to your operator's manual for additional
information, such as important operating and
maintenance instructions.
This symbol indicates that you may not discard the UPS
or the UPS batteries in the trash. This product involves
sealed, lead-acid batteries and they must be disposed of
properly. For more information, contact your local
recycling / reuse or hazardous waste center.
This symbol indicates that you must not discard waste
electrical or electronic equipment (WEEE) in the trash.
For proper disposal, contact your local recycling / reuse
or hazardous waste center.
2.6
For more information
Address any inquiries about the UPS and the battery cabinet to the local
office or an agent authorized by the manufacturer. Quote the type code
and the serial number of the equipment.
Call your local service representative if you need with any of the
following:
•
Scheduling initial startup
•
Regional locations and telephone numbers
•
A question about any of the information in this manual
•
A question that this manual does not answer
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Eaton 93PS UPS 8-40 kW
3
User’s and Installation Guide
Introduction to Eaton UPS
Figure 1. Eaton 93PS UPS 8-20 kW and 93PS UPS 30-40 kW
The Eaton® 93PS uninterruptible power supply (UPS) is a true online,
continuous-duty, transformerless, double-conversion, solid-state, threephase system that supplies conditioned and uninterruptible AC power to
critical load and protects it from power failures.
The UPS is used to prevent loss of valuable electronic information,
minimize equipment downtime, and minimize the adverse effect on
production equipment due to unexpected power problems.
The Eaton UPS continually monitors incoming electrical power and
removes the surges, spikes, sags, and other irregularities that are
inherent in commercial utility power. Working with a building’s electrical
system, the UPS system supplies clean, consistent power that sensitive
electronic equipment require for reliable operation. During brownouts,
blackouts, and other power interruptions, batteries provide emergency
power to safeguard operation.
The UPS system is housed in a single, free-standing cabinet with safety
shields behind the door for protection against hazardous voltage. Each
UPS cabinet has a centralized system static bypass. The available static
bypass ratings are 20 kW and 40 kW. The static bypass size is chosen
according to UPS system power. For example, if a future requirement is
to upgrade the UPS capacity, the UPS bypass rating has to be selected
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
accordingly. In addition, the bypass ratings of all the UPS cabinets in a
parallel system need to be matched.
Eaton 93PS output power ratings are based on 20 kW rated
uninterruptible power modules (UPMs). A single UPS cabinet can house
one or two UPM modules to get ratings of 8 kW, 10 kW, 15 kW, 20 kW,
30 kW or 40 kW.
A UPM includes a rectifier, inverter, battery converter, and independent
controls. Each UPM is able to operate independently from the other
power modules.
NOTE: Startup and operational checks must be performed by an
authorized Eaton Customer Service Engineer, or the warranty terms
specified in the Warranty (see Chapter 10) become void. This service is
offered as part of the sales contract for the UPS. Contact service in
advance (usually a two-week notice is required) to reserve a preferred
startup date.
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Eaton 93PS UPS 8-40 kW
3.1
User’s and Installation Guide
Looking inside the UPS system
Figure 2. Looking inside the Eaton 93PS UPS 8-20 kW
Figure 3. Looking inside the Eaton 93PS UPS 30-40 kW
1.
2.
3.
4.
Control panel
Door latch
Power module (UPM)
Internal battery
5.
6.
7.
8.
Communications area
Input switch
Battery breaker
Maintenance bypass switch
(optional)
The system level static bypass in the Eaton 93PS UPS cabinet
determines the attainable output power of the UPS. The static bypass
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
line consists of a static switch and a backfeed protection isolation device
connected in series. In addition, there is a system level control unit that
constantly monitors the power delivered through the bypass line or to
the input of the UPS. Transfers to static bypass are seamless and
performed automatically by the system as needed, for example, in case
of an extended system overload.
Each UPM includes a rectifier, battery converter, inverter and
independent controls. Each UPM is able to operate and share the load
independently, despite the status of the other UPMs.
In addition, the system can have a UPS-internal maintenance bypass
switch as a factory-installed option.
The 8-20 kW 93PS UPS includes one UPM and internal batteries. It can
include a 20 kW or 40 kW rated static bypass. The 30-40 kW 93PS UPS
includes one or two UPMs, internal batteries and a 40 kW rated static
bypass. In addition to the internal batteries, external batteries can also
be connected.
In the 30-40 kW units, the UPMs are paralleled internally.
The rectifier input switch and battery breaker are available as standard
for all the models. The internal MBS is available as option for all the
models.
If utility power is interrupted or falls outside the parameters specified in
Chapter 9, the UPS uses a backup battery supply to maintain power to
the critical load for a specified period of time or until the utility power
returns. For extended power outages, the UPS allows you to either
transfer to an alternative power system (such as a generator) or shut
down your critical load in an orderly manner. The UPS bypass consists of
a continuous-duty static switch and a backfeed protection isolation
device. All the models also include an internal fuse in the bypass line.
The backfeed protection and bypass fuse are located in series with the
static switch.
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Eaton 93PS UPS 8-40 kW
3.2
User’s and Installation Guide
UPS operating modes
The UPS operating modes are as follows:
•
•
Normal operating modes:
•
In the double conversion mode, the critical load is supplied by
the inverter, which derives its power from rectified utility AC
power. In this mode, the battery charger also provides charging
current for the battery, if needed.
•
In the Energy Saver System (ESS) mode, the critical load is
supported securely by utility power through the static bypass
switch with double conversion available on-demand with
typically less than a 2 ms transition time, should any abnormal
condition be detected in the utility. When operating in the ESS
mode, the load is protected with inherent surge suppression.
Operating the UPS in the ESS mode increases system
efficiency up to 98.6%, allowing significant savings in energy
losses without compromising system reliability.
•
In the stored energy mode, energy is drawn from a DC backup
power source and converted to AC power by the UPS inverter.
Most commonly VRLA batteries are introduced to the system
for this purpose, and the mode of operation is called the battery
mode.
In the bypass mode, the critical load is supported directly by utility
power through the UPS static switch.
3.2.1
Normal operating modes
During normal UPS operation, power for the system is derived from a
utility input source. Unit Online is displayed on the front panel,
indicating that the incoming power is within voltage and frequency
acceptance windows.
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3.2.1.1 Double conversion mode
Figure 4 shows the path of electrical power through the UPS system
when the UPS is operating in the double conversion mode.
Figure 4. Path of current through the UPS in the double conversion mode
A
Static switch
1
Bypass input
Main power flow
B
Rectifier
2
Rectifier input
Energized
C
Inverter
3
Output
De-energized
D
Battery
converter
4
Battery
breaker
Trickle current
E
Battery
Closed
Open
Three-phase AC input power is converted to DC using a multilevel
converter with IGBT devices to produce a regulated DC voltage to the
inverter. The UPS status indicated on the display is Unit Online and
the UPM status is Active.
The battery converter derives its input from the regulated DC output of
the rectifier and provides regulated charge current to the battery. The
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
battery is always connected to the UPS and ready to support the inverter
should the utility input become unavailable.
The inverter produces a three-phase AC output to the critical load. The
inverter derives regulated DC from the rectifier and uses multilevel
converter technology with IGBT devices and pulse-width modulation
(PWM) to produce a regulated and filtered AC output.
If the utility AC power is interrupted or is out of specification, the UPS
automatically switches to the battery mode to support the critical load
without interruption. When utility power returns, the UPS returns
automatically to the double conversion mode.
If the UPS becomes overloaded or unavailable, the UPS seamlessly
switches to the bypass mode and continues supplying the load through
the static bypass. The UPS automatically returns to the double
conversion mode when the abnormal condition, such as an extended
time overload, is cleared and the system operation is restored within the
specified limits.
If a UPM within the UPS suffers an internal failure, the remaining UPMs
continue to support the load in the double conversion mode. The UPS is
automatically internally redundant when the UPS is not operating at full
load. However, if internal redundancy between the UPMs is not possible
due to high load, the UPS switches automatically to the bypass mode
and remains in that mode until the failure is corrected and the UPS is
back in operation.
In an external parallel redundant system, each UPS can be isolated from
the system for service while the remaining UPSs support the load in the
double conversion mode.
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3.2.1.2 Energy Saver System mode
Figure 5 shows the path of electrical power through the UPS system
when the UPS is operating in the Energy Saver System (ESS) mode.
Figure 5. Path of current through the UPS in the Energy saver System mode
A
Static switch
1
Bypass input
Main power flow
B
Rectifier
2
Rectifier input
Energized
C
Inverter
3
Output
De-energized
D
Battery
converter
4
Battery
breaker
Trickle current
E
Battery
Closed
Open
In the ESS mode, the UPS safely provides mains current directly to the
load when the input is within the acceptable limits by its voltage and
frequency. The UPS status indicated on the display is Unit Online
ESS, and the UPM status is Active. Surge protection and some filtering
is also provided, making sure that clean power is delivered to the load
equipment. In case any disturbances are detected in the incoming
power, the UPS switches to the double conversion mode and continues
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to supply the critical load through its inverter. In case of a complete
utility outage or if the input power is outside the tolerances of the
system, the UPS transfers to the battery mode and continues to supply
conditioned, clean power to the critical load.
When operating in the ESS mode, the UPS's superior detection and
control algorithms continuously monitor the incoming power quality and
allow fast engagement of the power converters. Typical transition time
to the double conversion mode is less than 2 milliseconds, which is
practically seamless.
When the power conditions are within acceptable limits, the UPS
operates as a high efficiency, energy-saving system, providing surge
protection for IT equipment and making sure that clean power is
delivered to the facility. The energy saver system increases system
efficiency up to 98.6% when supplying 20-100% of nominal load,
reducing energy losses by up to 80%.
3.2.2
Stored energy and battery mode
When running normally in the double conversion or ESS mode, the UPS
automatically transfers to supply the load from batteries or some other
stored energy source if a utility power outage occurs, or if the utility
power does not conform to the specified parameters. The UPS status
indicated on the display is On Battery, and the UPM status is Active.
In the battery mode, the battery provides emergency DC power, which
is converted to regulated output power by the inverter.
Figure 6 shows the path of electrical power through the UPS system
when operating in the battery mode.
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Figure 6. Path of current through the UPS in the battery mode
A
Static switch
1
Bypass input
Main power flow
B
Rectifier
2
Rectifier input
Energized
C
Inverter
3
Output
De-energized
D
Battery
converter
4
Battery
breaker
Closed
E
Battery
Open
During a utility power failure, the rectifier no longer has an AC utility
source from which to supply the DC output current required to support
the inverter. The input relay K1 opens and the UPS output is powered
from the batteries through the inverter. As the inverter operates
uninterrupted through the transition, the load remains supported
continuously without disturbance. If the UPS static bypass is supplied
from the same source as the UPS rectifier, the backfeed protection
contactor K5 also opens. The opening of K1 and K5 prevent system
voltages from bleeding backwards and re-entering the input source
through the static switch or rectifier.
If the input power fails to return or is not within the acceptance windows
required for normal operation, the battery continues discharging until a
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DC voltage level is reached where the inverter output can no longer
support the connected loads. When this event occurs, the UPS issues a
set of audible and visual alarms indicating that the batteries have a
minimal capacity left and a system shutdown is imminent. Unless utility
power is restored, the output can be supported for a maximum of 2
minutes before the output of the system shuts down. If the bypass
source is available, the UPS transfers to the bypass mode instead of
shutting down.
If the input power becomes available again at any time during the battery
discharge, K1 and K5 close and the UPS returns to normal operation. The
UPS also starts to recharge the batteries to restore the capacity.
3.2.3
Bypass mode
The UPS automatically switches to the bypass mode if it detects an
overload, load fault, or internal failure. The bypass source supplies the
commercial AC power to the load directly. The UPS can also be
commanded to transfer to the bypass mode manually through the
display. The UPS status indicated on the display is On Bypass.
Figure 7 shows the path of electrical power through the UPS system
when operating in the bypass mode.
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Figure 7. Path of current through the UPS in the bypass mode
A
Static switch
1
Bypass input
Main power flow
B
Rectifier
2
Rectifier input
Energized
C
Inverter
3
Output
De-energized
D
Battery
converter
4
Battery
breaker
Closed
E
Battery
Open
In the bypass mode, the output of the system is provided with threephase AC power directly from the system input. While in this mode, the
output of the system is not protected from voltage or frequency
fluctuations or power outages from the source. Some power line filtering
and transient protection is provided to the load, but no active power
conditioning or battery support is available to the output of the system in
the bypass mode.
The static bypass consists of a solid-state, silicon-controlled rectifier
(SCR) static switch (STSW) and a backfeed protection isolation device
K5. The static switch is rated as a continuous-duty device that is used
anytime the inverter is unable to support the applied load. The static
switch is wired in series with the backfeed protection. As the static
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switch is an electronically-controlled device, it can be turned on
immediately to pick up the load from the inverter without interruption.
The backfeed protection is normally always closed, ready to support the
static switch unless the bypass input source becomes unavailable.
3.3
UPS features
The Eaton UPS has many features that provide cost-effective and
consistently reliable power protection. The feature descriptions provide a
brief overview of the UPS standard features.
3.3.1
Advanced Battery Management
The Advanced Battery Management technology uses sophisticated
sensing circuitry and a three-stage charging technique that extends the
useful service life of UPS batteries while optimizing the battery recharge
time. ABM also protects batteries from damage caused by high current
charging and inverter ripple currents. Charging at high currents can
overheat and damage batteries.
In the charge mode, the batteries are recharged. Charging lasts only as
long as it takes to bring the battery system up to a predetermined float
level. Once this level is reached, the UPS battery charger enters the float
stage and the charger operates in the constant voltage mode.
The rest mode begins at the end of the charge mode; that is, after 48
hours of float charging (user-adjustable). In the rest mode, the battery
charger is completely turned off. The battery system receives no charge
current during this rest period of approximately 28 days (user-adjustable).
During the rest mode, the open circuit battery voltage is monitored
constantly, and battery charging is resumed when necessary.
3.3.2
Powerware Hot Sync
The Eaton Powerware Hot Sync technology is an algorithm that
eliminates the single point of failure in a parallel system and therefore
enhances system reliability. The Hot Sync technology is incorporated in
all Eaton 93PS UPSs, and it is utilized in both multi-module internal
parallel and external parallel systems.
The Hot Sync technology enables all UPMs to operate independently in a
parallel system, even without inter-module communications. The power
modules utilizing the Hot Sync technology are completely autonomous;
each module monitors its own output independently to remain in
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complete synchronization with the other modules. The UPM power
modules share the load perfectly even in changing capacity or load
conditions.
The Powerware Hot Sync technology combines digital signal processing
and an advanced control algorithm to provide automatic load sharing and
selective tripping in a parallel UPS system. The load share control
algorithms maintain synchronization and load balance by constantly
making minute adjustments to variations in the output power
requirements. The modules conform to demand and are not in conflict
with each other for the load. The Powerware Hot Sync systems are
capable of paralleling for both redundancy and capacity.
3.3.3
Power Conditioner
The Power Conditioner mode is characterized by the UPS running in the
double conversion mode without batteries connected. In the Power
Conditioner mode, the UPS provides conditioned output voltage and
frequency. The UPS can also support high nonlinear loads without ITHD
on the input. The UPS meets the qualifications outlined in the 93PS
product specification, except when the conditions below apply.
When in the Power Conditioner mode, the UPS has the following
functionality and limitations:
1.
Run in the double conversion mode.
2.
Because there is no battery, loss of utility results in the UPS losing
power and shutting down.
3.
The UPS sustains up to -50% input voltage tolerance, unless the
current limit is reached.
4.
If the rectifier is turned off, the UPS attempts a transfer to the
bypass mode.
5.
The ESS mode is not available.
6.
The Power Conditioner mode is available in both 3 and 4 wire
configurations.
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3.3.4
User’s and Installation Guide
Frequency Converter
The Frequency Converter mode is characterized by the UPS running
without the bypass mode available. The output frequency can be
configured to be different from the standard input frequency (e.g. 60 Hz
output, 50 Hz input). The UPS can also support high nonlinear loads
without iTHD on the input. The UPS meets the qualifications outlined in
the 93PS product specification, except when the conditions below apply.
When in the Frequency Converter mode, the UPS has the following
functionality and limitations:
1.
Operation is the same as when in the double conversion mode with
no bypass available.
2.
Bypass alarms are suppressed.
3.3.5
Sync Control
The Eaton® Sync Control maintains the critical load outputs of two
separate single UPS systems in synchronization. Use of the Eaton Fixed
Master Sync Control provides uninterrupted transfer of the load from
one load bus to another by means of downstream, dual-source, solidstate transfer switches. Without the load sync option, the two system
output (critical load) buses can become out of phase with each other.
This condition occurs when suitable bypass sources are not available or
when the bypass sources feeding each system are not in sync with each
other. Examples of this condition are two systems supplied by separate
generator sets, or situation where the bypass sources for the two
systems are lost.
3.4
Software and connectivity features
3.4.1
User interface
MiniSlot Communication Bays — there are 2 communication bays for
MiniSlot connectivity cards. MiniSlot cards are quickly installed and are
hot-pluggable. See Chapter 6 for additional information.
3.4.2
Power Management Software
Intelligent Power software products offer tools for monitoring and
managing power devices across the network. See Chapter 6 for more
information.
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3.5
User’s and Installation Guide
Options and accessories
Contact your Eaton sales representative for more information about the
available options and accessories.
3.5.1
Maintenance Bypass Switch (optional)
The Maintenance Bypass Switch (MBS) enables power to completely
bypass and isolate the UPS so that the UPS can be safely serviced or
replaced without interrupting power to critical systems.
An internal Maintenance Bypass Switch is provided as a factory-installed
option. Alternatively, MBS solutions are also available in an external
enclosure as accessory items.
External Maintenance Bypass Switch Panel (accessory)
The external MBS is enclosed in its own separate, wall-mounted cabinet.
The EMBS contains a rotary switch (MBP & MIS) to change the source
that supplies the load between the UPS output and the mechanical
bypass. It may additionally include two breakers: one for the rectifier
inputs (RIB) and another for bypass inputs (BIB). It may also include
auxiliary contacts to report the status of the switchgear to the UPS.
For external MBS installation instructions, see a separate manual.
3.5.2
Field installed UPM (accessory)
With a 30-40 kW 93PS UPS that has only one UPM installed, a Field
Installed UPM (FI-UPM) can be installed in the cabinet any time in the
future when power needs change. This enables the UPS system to grow
with the business, thus lowering the initial investment required for the
system on Day 1.
In order to install an FI-UPM, the UPS cabinet needs to have
upgradeability, which is determined by the power rating of the static
bypass. For example, if the static switch is rated for 40 kW and the UPS
includes one 20 kW UPM, it is possible to add another 20 kW UPM to it.
For a listing of the upgradeable configurations, see Table 1.
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CAUTION
Only qualified service personnel are allowed to install FI-UPM.
NOTE: Check the cable and fuse rating before power upgrades!
3.6
Battery system
The battery system provides short-term emergency backup power to
safeguard operation during brownouts, blackouts, and other power
interruptions. By default, UPS is configured to use VRLA batteries. If
other type of batteries or other energy storage means need to be
connected, consult a certified service technician prior to proceeding with
the installation.
The Eaton 93PS 8-40 kW UPS are equipped with internal batteries to
provide full load runtime of 5-60 minutes depending on the UPS rating.
In addition, external battery cabinets can be introduced to the system to
allow extended autonomy. Internal and external batteries can be used in
parallel.
For detailed battery specifications, see Chapter 9.
3.7
Basic system configurations
UPS power rating
The maximum attainable UPS system power rating is determined by the
size of the UPS cabinet frame. The number of UPM power modules
determines the nominal power rating of the UPS. If upgradeability is
required, the system static bypass should be chosen according to the
future maximum load rating, and the number of UPMs is chosen
according to the Day 1 capacity requirements.
The following UPS configurations with different static bypass sizes and
number of UPMs are possible:
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Table 1. UPS configurations
Description
System
power
[kW]
Power
modules
[kW]
Static
switch
[kW]
Internal battery
Single system configurations in a 20 kW frame size
93PS-8(20)-20
8
1*8
20
Yes/No
93PS-8(20S)-20
8
1*8
40
Yes/No
93PS-10(20)-20
10
1*10
20
Yes/No
93PS-10(20S)-20
10
1*10
40
Yes/No
93PS-15(20)-20
15
1*15
20
Yes/No
93PS-15(20S)-20
15
1*15
40
Yes/No
93PS-20(20)-20
20
1*20
20
Yes/No
93PS-20(20S)-20
20
1*20
40
Yes/No
Single system configurations in a 40 kW frame size
93PS-8(40)-20
8
1*8
40
Yes/No
93PS-8+8(40)-40
8
8+8
40
Yes (separate)/No
93PS-10(40)-20
10
1*10
40
Yes/No
93PS-10+10(40)-40
10
10+10
40
Yes (separate)/No
93PS-15(40)-20
15
1*15
40
Yes/No
93PS-15+15(40)-40
15
15+15
40
Yes (separate)/No
93PS-20(40)-20
20
1*20
40
Yes/No
93PS-20+20(40)-40
20
20+20
40
Yes (separate)/No
93PS-30(40)-40
30
2*15
40
Yes (common)/No
93PS-40(40)-40
40
2*20
40
Yes (common)/No
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With a 30-40 kW 93PS UPS, a single UPS frame can house a maximum
of 2 UPM power modules, resulting in the maximum power rating of 40
kW. In addition, up to 4 UPS frames can be connected in parallel to
create even larger systems. With an 8-20 kW 93PS UPS, a single UPS
frame can house only one power module.
UPS options and accessories
The following table shows different standard and optional UPS features
and the models where they apply.
Table 2. Standard and optional UPS features
Feature
93PS 8-40 kW
Smart touch screen display for system control and monitoring
Standard
SNMP web interface
Standard
Internal MBS
Optional
Rectifier input switch IS
Standard
Internal battery breaker BB
Standard
Battery start
Standard
Integrated backfeed protection
Standard
Additional options and accessories are also available. These include
different software and connectivity options and external switchgear and
power distribution options.
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4
User’s and Installation Guide
UPS installation plan and unpacking
Use the following basic sequence of steps to install the UPS:
1.
Create an installation plan for the UPS system.
2.
Prepare your site for the UPS system.
3.
Inspect and unpack the UPS cabinet.
4.
Unload and install the UPS cabinet and wire the system.
5.
Complete the installation checklist provided in Section 4.2.
6.
Have authorized service personnel perform the preliminary
operational checks and startup.
NOTE: Startup and operational checks must be performed by an
authorized Eaton Customer Service Engineer, or the warranty terms
specified in the Warranty (see Chapter 10) become void. This service is
offered as a part of the sales contract for the UPS. Contact service in
advance (usually a two-week notice is required) to reserve a preferred
startup date.
4.1
Creating an installation plan
Before you install the UPS system, read and understand how these
instructions apply to the system that you are going to install. Use the
procedures and illustrations in Section 4.3 and Chapter 5 to create a
logical plan for installing the system.
4.2
Installation checklist
Action
Yes/No
All packing materials and restraints are removed from each cabinet.
Each cabinet in the UPS system is placed in its installed location.
A cabinet grounding kit / mounting kit is installed between any
cabinets that are bolted together.
All conduits and cables are properly routed to the UPS and any
ancillary cabinets.
All power cables are properly sized and terminated.
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Action
Yes/No
Neutral conductors are installed and bonded to ground according to
the requirements.
A ground conductor is properly installed.
Battery cables are terminated and connected to battery connectors.
Battery Shunt trip and Aux contact signal wiring is connected from
the UPS to the battery breaker.
LAN drops are installed.
All LAN connections are completed.
Air conditioning equipment is installed and operating correctly.
The area around the installed UPS system is clean and dust-free (it
is recommended that the UPS is installed on a level floor suitable
for computer or electronic equipment).
There is adequate workspace around the UPS and other cabinets.
Adequate lighting is provided around all the UPS equipment.
A 230 VAC service outlet is located within 7.5 meters of the UPS
equipment.
The Remote Emergency Power-off (REPO) device is mounted in its
installed location and its wiring is terminated inside the UPS
cabinet.
If EPO is used in the NC configuration, a jumper is installed on the
EPO between pins 1 and 2.
(OPTIONAL) Alarm relays and signal outputs are wired
appropriately.
(OPTIONAL) A remote battery disconnect control is mounted in its
installed location and its wiring is terminated inside the UPS and
battery cabinet.
(OPTIONAL) Accessories are mounted in their installed locations
and their wiring is terminated inside the UPS cabinet.
Start-up and operational checks are performed by an authorized
Eaton Customer Service Engineer.
4.3
Site preparations
For the UPS system to operate at peak efficiency, the installation site
must meet the environmental parameters outlined in these instructions.
If the UPS needs to be operated at an altitude higher than 1,000 m,
contact your service representative for important information about high
altitude operation. The operating environment must meet the height,
clearance, and environmental requirements specified.
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4.3.1
User’s and Installation Guide
Environmental and installation considerations
The UPS system can be installed where there is TN or TT power
distribution system.
The UPS system installation must meet the following guidelines:
•
The system must be installed on a level floor suitable for computer
or electronic equipment. The floor must be suitable for heavy
weight and wheeling.
•
The system must be installed in a temperature and humidity
controlled indoor area that is free of conductive contaminants.
•
The cabinet can be installed in line-up-and-match or standalone
configurations.
Failure to follow these guidelines may void your warranty.
The UPS equipment operating environment must meet the weight
requirements shown in Table 4, and the size requirements shown in
Table 3.
Table 3. Dimensions
8-20 kW
[mm]
30-40 kW
[mm]
Shipping dimensions
(WxDxH)
540 x 857 x 1,460
750 x 820 x 1,975
Cabinet dimensions
(WxDxH)
335 x 750 x 1,300
480 x 750 x 1,750
Table 4. UPS cabinet weights with cardboard packaging
8-20 kW
30-40 kW
Shipping weight
293 kg
558 kg
Installed weight
280 kg
532 kg
1,007 kg/m2
1,478 kg/m2
Floor loading
* Note that maximum internal batteries are included with all the models.
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The UPS cabinets use forced air cooling to regulate internal component
temperature. By default, air inlets are in the front of the cabinet and
outlets are in the back. Allow clearance in front of and behind each
cabinet for proper air circulation.
The clearance required around the UPS cabinet is shown in Table 5.
NOTE: This equipment is not intended for building-in, rack-mounting or
for incorporation in larger equipment.
Table 5. UPS cabinet minimum clearances
8-20 kW
30-40 kW
From the top of the cabinet
500 mm
500 mm
From the front of the cabinet
500 mm
650 mm
From the back of the cabinet
150 mm
250 mm
From the side of the cabinet
0 mm
0 mm
Figure 8. UPS cabinet clearances. See Table 5.
•
X = clearance at the back of the UPS cabinet
•
Y = clearance at the top of the UPS cabinet
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The basic environmental requirements for the operation of the UPS
system are as follows:
•
Ambient temperature range: from +0 to +40 °C
•
Recommended operating range: from +20 to +25 °C
•
Maximum relative humidity: 95%, non-condensing
It is required that ventilation of the UPS room is arranged. Sufficient
amount of air cooling is needed to keep the maximum room temperature
rise at the desired level:
•
Temperature rise of +5 °C maximum requires the airflow of 600 m³
per 1 kW of losses.
•
Temperature rise of +10 °C maximum requires the airflow of
300 m³ per 1 kW of losses.
An ambient temperature from +20 °C to +25 °C is recommended to
achieve a long life of the UPS and batteries. The cooling air that enters
the UPS must not exceed +40 °C. Avoid high ambient temperature,
moisture, and humidity.
For ventilation requirements, see 93PS heat rejection in Table 6.
Table 6. Air conditioning or ventilation requirements during full load operation
Heat rejection
(BTU/h x 1,000)
Heat rejection
(kW)
8 kW
1.17
0.3
10 kW
1.46
0.4
15 kW
2.19
0.6
20 kW
2.92
0.9
30 kW
4.38
1.3
40 kW
5.84
1.7
Battery locations and enclosures must be ventilated to maintain the
hydrogen concentration below the 4%vol safety limit. Adequate air
ventilation must be provided to locations where the UPS and batteries
are located. For the 93PS UPS 8-20kW with internal batteries, the
minimum air flow is 3 m3/hour and the minimum free area of opening for
inlet and outlet is 84 cm2 when natural ventilation is used. For the 93PS
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UPS 40 kW, the minimum air flow is 6 m3/hour and the minimum free
area of opening for inlet and outlet is 168 cm2 when natural ventilation is
used. For larger batteries, the ventilation air flow must be recalculated.
Figure 9. 93PS 8-40 kW UPS dimensions
4.3.2
UPS system power wiring preparations
NOTE: If you are installing a maintenance bypass, provide one of the
following:
•
a minimum of 2 separate feeds with upstream feeder breakers
•
a single feed with 2 upstream feeder breakers: one for the UPS or
rectifier input breaker and one for the maintenance bypass input.
Do not use a single feed or a single feeder breaker to supply
•
the maintenance bypass and the UPS, or
•
the maintenance bypass and the rectifier input breaker.
If a bypass input breaker is installed in the maintenance bypass and a
single-feed UPS is being installed, a single feed to the maintenance
bypass is acceptable for supplying both the UPS and the bypass.
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When you plan and perform the installation, read and understand the
following notes:
•
Refer to the national and local electrical codes for acceptable
external wiring practices.
•
To allow for future kVA upgrades (software and/or hardware),
consider using conductors that are sized for the full bypass rating of
the UPS.
•
Material and labor for external wiring requirements must be
provided by designated personnel.
•
For external wiring, use copper cable rated for 70 °C at minimum.
See the appropriate information in Table 7. Cable sizes are based on
using the specified breakers.
•
If cables are run in an ambient temperature greater than 30 °C,
higher temperature cable and/or larger size cable may be necessary.
•
The bypass feed into this equipment uses four cables. The rectifier
feed into this equipment uses three or four cables. The phases
must be symmetrical about ground (from a Wye source) for proper
equipment operation.
•
If the load requires a neutral, a bypass source neutral must be
provided. If the load does not require a neutral and there is no
neutral conductor connected at the bypass input, a neutral must be
installed to source star point.
•
A readily accessible disconnect device must be incorporated in all
fixed input wiring.
WARNING
Do not disconnect the bypass neutral without disconnecting the
bypass phases at the same time.
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Table 7. Minimum recommended multi-core cable and fuse sizes for rectifier and
bypass input and UPS output cables
UPS rating (kW)
8
10
15
20
30
40
4*2.5
4*4
4*10
4*10
4*16
4*25
Rectifier fuse [A]
20
20
32
40
63
80
Bypass fuse [A]
20
20
32
40
63
80
PE cable [mm2]
1*6
1*6
1*10
1*10
1*16
1*16
Cable [mm2]
CAUTION
Make sure that prospective short-circuit current resulting at the input
terminals of the UPS is equal or less than conditional short-circuit
current declared on the type plate of the UPS.
Table 8. Minimum recommended cable and fuse sizes for external battery bank
UPS rating (kW)
8
10
15
20
30
40
1*16
1*16
1*16
1*16
1*35
1*35
Battery fuse [A]
63
63
63
63
160
160
PE cable [mm2]
1*16
1*16
1*16
1*16
1*16
1*16
Pos. & neg. line [mm2]
NOTE: Note that UPS power upgrading is possible only if the sizing of the
external cables is sufficient. Alternatively, the external cabling must be
upgraded as well. Fuses are of the type gG.
Cable sizing is based on the standard IEC 60364-5-52 table B.52.2 and
IEC 60364-5-54 table B.54.2. Sizing is for 70 ºC rated copper cables.
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User’s and Installation Guide
When connecting external batteries to 93PS UPS, Eaton recommends
that you use the following NZM series molded case circuit breakers:
TYPE
ARTICLE No
With 93PS 8-20 kW
NZM1-A63
259083
With 93PS 30-40 kW
NZM1-A160
281234
Use the following 24 V shunt release with early-make auxiliary contact
together with the above circuit breakers:
TYPE
ARTICLE No
NZM1-XAHIVL24AC/DC
259792
Table 9. Rated and maximum currents for rated power and voltage
Rated Rated
power voltage
[kW]
8
10
15
20
Rectifier input
Battery
UPS output /
bypass
[V}
Rated
current
[A]
Maximum
current
[A]
Rated
current
[A]
Maximum
current
[A]
Rated
current
[A]
Maximum
current
[A]
380
13
15
12
18
22
26
400
12
14
12
17
22
26
415
12
14
11
16
22
26
380
16
19
15
22
27
33
400
15
18
15
21
27
33
415
15
17
14
20
27
33
380
24
28
23
34
41
49
400
23
27
22
32
41
49
415
22
26
21
31
41
49
380
32
37
31
45
55
66
400
30
36
29
42
55
66
415
29
34
28
41
55
66
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Eaton 93PS UPS 8-40 kW
Rated Rated
power voltage
[kW]
30
40
User’s and Installation Guide
Rectifier input
Battery
UPS output /
bypass
[V}
Rated
current
[A]
Maximum
current
[A]
Rated
current
[A]
Maximum
current
[A]
Rated
current
[A]
Maximum
current
[A]
380
48
56
46
67
82
98
400
45
53
44
64
82
98
415
44
51
43
61
82
98
380
64
75
62
89
110
131
400
60
71
59
85
110
131
415
58
69
57
82
110
131
Notes:
1.
2.
3.
Maximum rectifier current calculated at the -15% voltage tolerance and
102% continuous overload.
Maximum output/bypass current calculated at continuous 125% overload and
at -15% voltage tolerance.
Maximum battery current calculated at rated load and 1.67 V cell voltage for
the default 32 block string length.
See Figure 10 and Figure 11 for power cable terminations.
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
Figure 10. 93PS UPS 8-20 kW power cable terminals
1.
2.
3.
4.
5.
6.
7.
8.
X1: rectifier input, N
X1: rectifier input L1
X1: rectifier input L2
X1: rectifier input L3
X2: bypass input, N
X2, bypass input, L1
X2: bypass input L2
X2, bypass input L3
© Eaton Corporation plc 2015. All rights reserved.
9.
10.
11.
12.
13.
14.
15.
16.
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X3: UPS output, N
X3: UPS output, L1
X3: UPS output, L2
X3: UPS output, L3
X4: external battery cable +
X4: external battery cable –
TB20, external battery trip
PE
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Eaton 93PS UPS 8-40 kW
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Figure 11. 93PS UPS 30-40 kW power cable terminals
1.
2.
3.
4.
5.
6.
7.
8.
9.
X1, rectifier input, N
X1, rectifier input,L1
X1, rectifier input, L2
X1, rectifier input, L3
External battery +
Bypass input, N
Bypass input, L1
Bypass input, L2
Bypass input, L3
10.
11.
12.
13.
14.
15.
16.
17.
External battery –
UPS output, N
UPS output, L1
UPS output, L2
UPS output, L3
TB20, external battery trip 1
TB21, external battery trip 2
PE
For the external separate battery option, there are separate terminals for
both battery banks (cabinets). These terminals replace terminals 5 and
10 shown in Figure 11.
NOTE: External overcurrent protection is not provided by this product, but
is required by codes. Refer to Table 7 for wiring requirements. If a
lockable output disconnect is required, it must be supplied by the user.
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
Table 10. UPS power cable terminal torques
UPS frame
Function
93PS 8-20 kW
X1, X2, X3: L1, L2, L3, N
1.6
X4: battery +/-
3.0
PE (ground)
3.0
X1, X2, X3: L1, L2, L3, N
6.0
X4: battery +/-
6.0
PE (ground)
3.0
93PS 30-40 kW
Tightening torque
CAUTION
To reduce the risk of a fire, connect only to a circuit that is provided
with maximum input circuit breaker current ratings from Table 9 in
accordance with the national and local installation rules.
The line-to-line unbalanced output capability of the UPS is limited only by
the full load per phase current values for AC output to critical load shown
in Table 9. The recommended line-to-line load unbalance is 50% or less.
Source protection for the AC input to bypass must suit the
characteristics of the load and take into account effects such as inrush or
starting current.
Bypass input and output overcurrent protection and bypass, output and
accessory disconnect switches must be provided by the user.
4.4
Unpacking and unloading the UPS
Before you start to unpack and unload the UPS, check the TipNTell /
DropNTell indicator on the package surface (see step 2 below). If the
equipment has been correctly transported in the upright position, the
indicator should be intact. If the indicator arrow has turned all blue,
contact the appropriate parties to report inappropriate transportation.
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WARNING
The UPS cabinet is heavy. If the unpacking instructions are not closely
followed, the cabinet may tip over and cause serious injury.
Do not tilt the UPS cabinet more than 10 degrees from the vertical or
the cabinet may tip over.
For transportation purposes, the UPS cabinet is bolted onto a wooden
pallet. To remove the pallet, perform the following procedure:
1. Before you unload the cabinet
from the pallet, use a forklift or
other material handling
equipment to move the cabinet
to the installation area. Insert
the forks of the forklift between
the skids on the bottom of the
unit.
2. Make a visual inspection and
check that there are no signs of
shipping damages. Check the
indicators. See the instructions
next to the indicators on the
package.
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User’s and Installation Guide
3. Open the UPS package. The
roof of the package is used as a
ramp for moving the UPS off
the pallet.
4. Place the ramp on the floor and
attach it to the pallet with nails
or screws so that it can be
safely used for wheeling the
UPS off the pallet.
5. If the leveling feet are not fully
retracted, turn them until they
are retracted.
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6. Open the UPS front door.
7. Remove the bolts that fasten
the shipping brackets to the
UPS cabinet and to the pallet.
8. Remove the shipping brackets.
NOTE: After you have removed the shipping brackets, move the unit
immediately away from the pallet.
After you have removed the shipping brackets and retracted the leveling
feet, do not use a forklift to move the unit while it is still on the pallet.
Note that the UPS cabinet is heavy and there are casters under the
cabinet.
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User’s and Installation Guide
9. Slowly roll the cabinet toward
the ramp edge. Be careful not
to push the cabinet too much or
too fast since it may cause the
cabinet to tip over.
Note that the cabinet is heavy.
Make sure that you have
enough manpower to handle
and support the unit while
rolling it off the pallet.
10. Roll the cabinet to its final
installation location.
11. To secure the UPS cabinet in
position, lower the leveling feet
until the cabinet is not resting
on the casters and the cabinet
is level.
With 93PS 8-20 kW UPS,
reattach the shipping brackets
to the UPS cabinet to provide
extra support. There are 2
options for positioning the
shipping brackets: on both
sides of the unit or on the front
and rear of the unit.
NOTE: If you remove the cabinet from its original installation location and
transfer it to a new location on a pallet, lower the leveling feet until the
cabinet is not resting on the casters. In addition, attach the shipping
brackets to the cabinet and the pallet.
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Eaton 93PS UPS 8-40 kW
5
User’s and Installation Guide
UPS system installation
The operator has to supply the wiring to connect the UPS to the local
power source. The installation of the UPS must be made by a locally
qualified electrician. The electrical installation procedure is described in
the following section. The installation inspection and the initial start-up of
the UPS and installing an extra battery cabinet must be carried out by
qualified service personnel such as a licensed service engineer from the
manufacturer or from an agent authorized by the manufacturer.
CAUTION
To avoid physical injury or death, or damage to the UPS or the load
equipment, follow these instructions during the UPS system
installation.
CAUTION
In case of condensed moisture inside the UPS cabinet, dry the cabinet
with a blower before starting up the system.
5.1
Steps to install the UPS
Power and control wiring are routed through the rear of the cabinet with
connections made to easily accessible terminals, see Figure 12 and
Figure 13.
To install and connect the power cabling of the external battery to the
UPS, see Section 5.2.
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
Figure 12. 93PS UPS 8-20 kW gland plate and connector locations
Figure 13. 93PS UPS 30-40 kW gland plate and connector locations
1.
Connectors
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2.
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Gland plate
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User’s and Installation Guide
1. To gain access to the terminal
blocks, remove the screws
securing the gland plate at the
back of the UPS.
2. Install suitable cable glands into the gland plate.
3. Route the cables through the glands.
4. Connect the cables to the respective terminal blocks, see Figure 10
and Figure 11.
5. Route the communication
cables through the oval hole at
the top of the unit to the front
of the unit.
6. Connect the communication cables to the respective terminals and
peripherals. For detailed information, see Figure 22 and Sections 5.4
and 5.5.
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User’s and Installation Guide
7. Assemble the internal batteries
into the battery trays. Connect
the battery blocks in series
within the battery tray. Only
use cables specified by Eaton.
8. Slide the internal battery trays
into place and mount the
locking brackets.
9. Connect the internal batteries.
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Eaton 93PS UPS 8-40 kW
5.2
User’s and Installation Guide
Battery system installation
.
DANGER
This UPS may have internal batteries. The batteries are designed to
deliver a large amount of energy and an incorrect connection may lead
to a short circuit and cause serious injuries to the personnel or
damages to the equipment. In order to avoid damages to the
equipment or injuries to personnel, only commissioning personnel are
allowed to perform the connection of these batteries.
If installing a customer-supplied battery system, install the battery
system according to the battery and battery system manufacturer’s
instructions and all the applicable national codes and regulations. Only
qualified personnel may install the battery system. Battery cables must
be protected against current and thermal overload, that is, the battery
system must include proper fuses or breaker with protection function.
Ground the external battery cabinet to the UPS.
The default battery settings of the UPS are for 12 V VRLA batteries. If
other battery types are to be used, contact your Eaton representative.
For the battery specification, see Section 9.5.
5.2.1
Battery trip wiring
The 93PS 8-40 kW UPS units are always equipped with an internal
battery breaker, which affects only the UPS internal batteries. The
external battery breaker is a crucial part of the external battery cabinet or
rack and must be placed in it. With the external battery breaker, signal
cabling is important.
Both internal and external battery breakers can be tripped (switched off)
by energizing its shunt trip coil. The shunt trip coils of external battery
breakers are energized (controlled) through connectors TB20 and TB21
(TB21 available only in the 30-40 kW UPS). The default voltage of the
shunt trip coil is 24 Vdc.
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Figure 14. Battery trip wiring, TB20
Figure 15. Battery trip wiring, TB21
A
External battery breaker
1
Pin 1, shunt trip coil +
2
Pin 2, shunt trip coil -
3
Pin 3, AUX contact
4
Pin 4, AUX contact return
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Eaton 93PS UPS 8-40 kW
5.3
User’s and Installation Guide
Installing UPS external battery cabinet and battery
power cabling
For the 93PS product line, there are two different battery cabinets: EBCS and EBC-L. The 93PS 8-40 kW UPSs use 32 battery blocks per string.
NOTE: Do not connect battery strings with different battery quantity and
voltage in parallel.
Power and control wiring for the EBC-S and EBC-L cabinets are supplied
with the cabinets. The battery cabinet can be located freely of the 93PS
UPS cabinet. All the wiring goes through the back wall of the UPS
cabinet.
For instructions on how to install the external battery cabinet and battery
power cabling, see the instruction manual provided with the external
battery cabinet. Earth the external battery cabinet / customer-supplied
battery system to the PE terminal 16 shown in Figure 10 and Figure 11.
NOTE: If batteries are wired outside the cabinets, follow the installation
instructions given in Section 4.3.2. See Table 7 for the recommended
cable and fuse sizes.
5.4
Installing a remote EPO switch
A remote EPO switch can be used in case of an emergency to shut
down the UPS and remove power to the critical load from a location
away from where the UPS is installed.
EPO is connected to the UPS's top front panel, on connector EPO.
Figure 16 shows the NO and NC connections of the EPO switch.
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
EPO connector (front view):
•
A = Normally open
•
B = Normally closed
Figure 16. Connections of the EPO switch
Table 11. Remote EPO wire terminations
From remote
EPO switch
To user interface terminal block
EPO in UPS cabinet
NO
3-4
NC
1-2
5.5
Remarks
Wire jumper between 1-2
must be installed for
proper functions
Installing interface connections
93PS UPS contains a total of 5 signal input connectors for operators
which can be used for giving remote control commands to the UPS.
User interface connector TB1 can be used for these purposes. Each
input is a dry relay contact input and requires two-wire signaling. None of
the inputs are pre-programmed but need to be separately programmed
by qualified service personnel.
When using an external battery system (either the original 93PS battery
cabinet or a customer-sourced battery cabinet/rack), external signaling
wiring is recommended to be connected.
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One general alarm relay output is also on the front panel. This output is
either normally open (NO) or normally closed (NC). The polarity selection
is made with a wiring connection. By default, the general alarm relay
activates when a system alarm is active, that is, any ALARM condition is
active in the system. Alternatively, it can be activated with any particular
event, but this must be programmed separately by qualified service
personnel. The alarm relay is designed for signal level (ELV or SELV)
voltages only, not for utility use. For higher signaling circuit voltage
requirements, please use an industrial relay adapter in the MiniSlot.
5.5.1
Installing customer input signal interface
These inputs are located behind the UPS door, in the top section of the
UPS. See Figure 22 for the connector locations.
Tie points with strain relief for the communication cables are located on
the right and left side of the cable conduit.
Signal inputs can be configured to different functions. Normally these
functions are either informative (for example, “On Generator”) or
functional (for example, a remote “Go to bypass” command).
5.5.2
Battery breaker wiring interface
When using the original accessory battery cabinet from the
manufacturer, the battery breaker interface wiring is provided with the
cabinet. Connecting it requires only routing the wires from the cabinet to
terminal TB20 (and TB21). In 93PS 8-20 kW UPS, the connector for the
battery circuit breaker monitoring signal and battery circuit breaker trip
signal is on the left side of the power cabling.
When using a third-party battery system, the breaker must be equipped
with auxiliary signal and should have a 24 V shunt trip for remote
opening of the breaker, when needed.
Wire entry for the battery breaker signal wiring is located in the middle
of the UPS cabinet. Punch holes are located on the left or right side
panel, back wall or bottom plate.
See Section 5.2.1 for installation instructions.
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Eaton 93PS UPS 8-40 kW
5.5.3
User’s and Installation Guide
Relay output interface connections
The general alarm relay is a dry relay signal output. The relay can be
used for informing the operators about UPS alarm conditions, for
example through a building management system. By default, the relay is
configured to activate when the UPS general alarm is active, that is, any
event when the ALARM status is active. The relay can also be
configured to activate by some other event, but this needs to be done by
authorized service personnel.
Relay signal wiring can be installed only through the signal cabling canal,
from back to front, in the top section of the UPS.
Additional relay outputs are available with mini-slot cards. Relay outputs
can be configured by a service engineer to be activated by various
events.
5.5.4
Industrial Relay Card interface connections
Relays K1 through K5 are identical in function. Each output contact
function can be assigned by the user. The UPS information may also be
configurable.
To install the INDRELAY-MS:
1.
Check that the ancillary equipment system is turned off and all the
power sources are removed. Refer to the appropriate operation
manual of any ancillary equipment for shutdown instructions.
2.
Install wiring from the IRC to the monitoring equipment using
appropriate conduits through the cable exit opening in the IRC.
3.
Connect wiring between the IRC terminal blocks and the monitoring
equipment using terminations. Connect one wire to COM
(Common) and another to either NC or NO to select the Normally
Open or Normally Closed option.
4.
Install the INDRELAY-MS into an open MiniSlot communication bay
in the UPS cabinet.
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User’s and Installation Guide
Figure 17. Industrial Relay Card INDRELAY-MS
5.5.5
MiniSlot interface connections
For MiniSlot accessories and communication devices selection, see
Chapter 6. For installation and setup of a MiniSlot card, please contact
your Eaton representative.
To install wiring to the connections:
1.
If not already installed, install the LAN drops.
2.
Open the front door of the UPS.
3.
To remove the MiniSlot cover plate, remove the 2 screws securing
the plate.
4.
To install the MiniSlot communication device, push it all the way in.
5.
Secure the MiniSlot communication device with 2 screws.
6.
Route and install the LAN and other cables to the appropriate
MiniSlot cards. The cable route is through the signal cable canal in
the top section of the UPS.
7.
For operator instructions, refer to the manual supplied with the
MiniSlot card.
8.
When all the wiring is completed, close the front door and secure it
with the latch.
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Eaton 93PS UPS 8-40 kW
5.5.6
User’s and Installation Guide
Installing signal interface connections in a parallel
system
The installation of the signal interface connections in a parallel system is
done by following the aforementioned instructions. Signal inputs can be
paralleled between the units, that is, the same contact can be used for
several units’ signal input signaling. This concerns also the EPO signal.
5.6
Wiring parallel 93PS UPS systems
The outputs of multiple 93PS UPS systems can be connected in parallel.
Up to 4 units can be paralleled. The UPS static bypass power rating
needs to be identical among all the paralleled units. However, paralleled
UPS cabinets can be housed with different number of UPM power
modules.
The outputs are paralleled to increase the load capacity of the power
system and for redundancy. The system is paralleled for (N+1)
redundancy as long as there is always one or more UPS online than
required to support the load. The system is paralleled for capacity if all
UPSs in a system are required to support the load.
Communication between the UPSs is required for system metering and
mode control. The system level communication and control are
accomplished using a Controller Area Network (CAN). A pull-chain signal
in each UPS, connected to the other UPSs in parallel and tied to the
bypass status relay in each UPS, is used for a secondary communication
path. This arrangement ensures bypass control even if the CAN bus is
lost.
WARNING
Do not connect in parallel units which are equipped with an internal
Maintenance Bypass Switch (MBS).
5.6.1
Power wiring overview
See Section 4.3.2 for the recommended cable and external fuse sizes
and installation practices.
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Input feed
The input feed is defined as the power source connected to the UPS
rectifier. The feed to all UPS’s inputs must be derived from the same
source.
Bypass feed
The bypass feed is defined as the power source connected to the UPS
bypass. The feed to all UPS’s bypass must be derived from the same
source. The shortest length of power wire from the source to the UPS
must be a minimum of 95% of the length of the longest wire.
Output
The neutrals of all the UPSs must be connected. The shortest length of
wire from the source to the UPS must be a minimum of 95% of the
length of the longest wire. The measurement is with respect to where
the UPS’s outputs are tied.
Dual source
The input feed and bypass feed may be separate sources. The sources
must share a common neutral.
Battery connection
A separate battery shall be connected to each UPS, and the battery
capacity for each UPS must be identical. A common battery for all UPSs
is not supported.
MOBs
Module Output Breakers (MOBs) allow the output of an UPS to be
disconnected from other UPSs and the system load for maintenance and
service. Design considerations assume that each UPS has a Module
Output Breaker (MOB). The breaker should also disconnect the neutral
for improved safety during maintenance.
The MOB must have a Form “C” auxiliary contact. The N.C contact is
connected to the corresponding UPS’s input used for signal input. The
N.O. contact is used to disconnect the bypass pull-chain when the MOB
is open. Figure 18 shows the principles of paralleled UPS systems
including MOBs and outputs from UPSs.
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MOB override
Users without MOBs installed can simply leave the MOB signal input
disabled. The user should be aware that systems without MOB have
limited maintenance capability.
Parallel system cabling
Figure 18. Principle of paralleled UPS systems
A
Bypass inputs to UPSs
1
UPS 1
7
Battery
B
Outputs from UPSs
2
UPS 2
8
Battery
C
Load
3
UPS 3
9
MOB1
4
UPS 4
10
MOB2
5
Battery
11
MOB3
6
Battery
12
MOB4
The required parallel system wiring length must be equal to ensure
approximately equal current sharing when in the bypass mode.
For proper operation, the following must be true:
1A+1B=2A+2B=3A+3B=4A+4B.
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Any differences in wire length result in decreased capacity and improper
operation of the UPS system while in the bypass mode.
5.6.2
Control signals overview
2 controls signals (External CAN Network, Bypass Pull-Chain) are
required for external paralleling. Both of these control signals are faulttolerant and alarmed when disconnected.
External CAN (ECAN)
ECAN provides means for communication between the UPS’s in a
parallel system. When this network fails, the system continues to share
load and protect the load.
Bypass Pull-Chain
Bypass Pull-Chain is an open collector signal that goes low when the
bypass static switch of any UPS is online. When External CAN (ECAN) is
down, the pull-chain is low and the UPS is online, the UPS locks to and
transfers to the bypass mode. Service can manually short this signal in
some rare failure modes to force a system transfer to bypass.
Signal Inputs Actions
Each UPS has a maximum of 7 signal inputs, 5 native and one in each
MiniSlot when using a suitable connectivity device. These inputs can be
configured with action items. The following action items affect all the
UPSs in the system. When an action item is active on a UPS and the
MOB is closed, the action item is transmitted on the ECAN to all the
UPSs. All the UPSs react in the same manner as if the action item was
active on that UPS.
Wiring the EPO switch in parallel
It is recommended to use separate EPO circuits for each parallel unit.
5.6.3
Installing bypass control wiring
1.
During the installation, follow all the safety instructions given in this
document.
2.
Terminal blocks TB6, TB7 and TB8 are for external parallel control
signals (see Figure 20 and Figure 22).
3.
The Phoenix Contact FRONT-MSTB 2,5/2-STF-5,08 and 2,6/4-SFT5,08 plug components are used for cable wiring termination.
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Figure 19. Simplified CAN and Pull-Chain wiring for parallel UPS system
A
UPS 1
1
CAN
B
UPS 2
2
Pull chain
C
UPS 3 (if installed)
D
UPS 4 (if installed)
NOTE: This drawing is for distributed bypass wiring purposes and it is not
a floor layout plan. UPSs can be placed in any physical order.
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Figure 20. CAN and Pull-Chain wiring for parallel UPS with MOBs
Figure 21. CAN and Pull-Chain wiring for parallel UPS without MOBs
A
External parallel connectors TB6-8
*)
First and last UPS are terminated with a jumper
**)
Shield connected on one end only
NOTE: NC and NO designations on MOB AUX contacts are defined with
the breaker in the OFF (open) position. If the MOB contacts have pigtail
leads, use the same wire gauge to connect to the UPS and use the
correct crimp connections for the wire gauge. External CAN connections
between the UPS cabinets require shielded twisted pair wire. Use
twisted pair wiring between the UPS and MOB AUX contacts. Always
confirm contact operation prior to wiring.
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5.7
User’s and Installation Guide
UPS system interface wiring preparations
Control wiring for features and options should be connected at the user
interface terminal blocks located on top front of the UPS, behind the
door.
NOTE: Do not connect relay contacts directly to the mains-related
circuits. Reinforced insulation to the mains is required.
When you are planning and performing the installation, make sure you
understand the following notes:
•
All the interface wiring is provided by the operator.
•
When installing internal interface wiring to MiniSlot terminals, route
the wiring through the internal opening in the MiniSlot
communication bay.
•
All signal inputs or remote features require an isolated normallyopen contact or switch (rated at 24 VDC, 20 mA minimum)
connected between the alarm input and the common terminal. All
control wiring and relay and switch contacts are supplied by the
operator. Use twisted-pair wires for each alarm input and common.
•
The signal inputs can be programmed to display the alarm's
functional name.
•
LAN drops for use with MiniSlot cards are provided by facility
planners or the operator.
•
The UPS Battery Aux and 24 VDC Shunt Trip signal wiring from the
UPS must be connected to the DC source disconnect device. See
Figure 14.
•
Battery Aux and 24 VDC Shunt Trip wiring must be a minimum of
1.5 mm².
•
The Remote EPO feature opens all switchgear in the UPS cabinet
and isolates power from your critical load. Local electrical codes
may also require tripping upstream protective devices to the UPS.
•
The Remote EPO switch must be a dedicated switch that is not tied
to any other circuits.
•
If the normally-closed (NC) Remote EPO contact is used, a jumper
wire must be connected between pins 1 and 2 on connector EPO.
•
Remote EPO wiring should be a minimum of 0.75 mm² and a
maximum of 2.5 mm².
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•
The distance between the Remote EPO and the UPS cannot
exceed 150 meters.
•
Alarm relay contacts have a maximum current rating of 5 A and a
switched voltage rating of 30 VAC (RMS) and 30 VDC.
•
Alarm relay wiring must be a minimum of 0.75 mm².
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6
User’s and Installation Guide
Communication interfaces
This section describes the communication features of the Eaton 93PS
UPS.
CAUTION
All the communication interfaces are SELV circuits. When connecting
to other equipment, make sure that you maintain this characteristic.
The UPS has the following communication interfaces:
1.
MiniSlot 1
2.
MiniSlot 2
3.
USB device (connection to computer)
4.
Communication cable conduit
5.
Emergency Power Off (EPO)
6.
Relay output
7.
USB host (connection to accessories)
8.
Signal inputs
9.
RS-232 port for service
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Figure 22. 93PS UPS 8-20 kW communication interfaces
1.
2.
3.
4.
5.
6.
7.
8.
TB11, not used
TB10, not used
TB9, not used
TB8, external CAN termination
TB7, external CAN
TB6, pull chain bus
USB1, USB host (connection to
accessories)
USB2, USB device (connection
to computer)
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9.
10.
11.
12.
13.
14.
15.
16.
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MiniSlot 1
TB1, signal input 1-5
TB2, not used
TB3, not used
Serial COM port RS-232
MiniSlot 2
TB4, EPO
TB5, relay output
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Figure 23. 93PS UPS 30-40 kW communication interfaces
1.
2.
3.
4.
5.
6.
7.
8.
9.
6.1
MiniSlot 1
MiniSlot 2
TB6, pull chain bus
TB7, external CAN
TB8, external CAN termination
TB9, not used
TB10, not used
TB11, not used
USB1, USB host (connection to
accessories)
10.
11.
12.
13.
14.
15.
16.
USB2, USB device (connection
to computer)
TB1, signal input 1-5
TB2, not used
TB3, not used
Serial COM port RS-232
TB4, EPO
TB5, relay output
MiniSlot cards
The Eaton 93PS UPS has 2 MiniSlot communication bays. To install a
MiniSlot card, follow the instructions in Section 5.5.5.
The UPS is compatible with the following MiniSlot cards:
•
Network Card-MS
Provides remote monitoring through a Web browser interface, email, and a network management system (NMS) using SNMP and
connects to a twisted-pair Ethernet (10/100BaseT) network.
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Figure 24. Network Card - MS
•
PX Gateway Card
Provides remote monitoring through a Web browser interface, email, and a network management system (NMS) using SNMP and
connects to a twisted-pair Ethernet (10/100BaseT) network. The
card also provides direct integration of UPS information (meters and
status) to a Building Management System (BMS) using the Modbus
RTU and TCP protocols as well as BACnet protocols.
Figure 25. PX Gateway Card
•
Industrial Relay Card-MS
The MiniSlot Industrial Relay Card provides a way of connecting the
93PS to industrial and electrical monitoring systems. It also enables
a wide range of control applications by allowing up to 250 volts and
5 Amperes through its 5 relay connections. By connecting wires to
the corresponding places in its terminal blocks, you can choose
Normally Open or Normally Closed setup for each output.
For information on how to configure Industrial Relay Card-MS, see
Section 6.5.
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Figure 26. Industrial Relay Card – MS
6.2
Intelligent Power Software
Intelligent Power Software are productivity tools for UPS power
management. These software solutions enhance the protection provided
by a UPS by shutting down applications and operating systems,
triggering disaster recovery procedures and migrating virtual machines in
case of an extended power outage. They also help in reducing downtime
and increasing the reliability of the UPS by alarming the operators of
issues and monitoring vital meters. The software can also be used to
view the usage characteristics of power equipment across the
enterprise and use the data to optimize the use of the facilities.
Intelligent Power Software is web-based, which means that the
information can be accessed through any device that has a web
browser.
On one hand, Intelligent Power Manager (IPM) is a monitoring system
that can concentrate the data and alarms of hundreds of UPS, ePDU and
other devices into a single view. On the other hand, it provides a link to
virtualization through management systems, such as VMware vCenter.
This way an administrator gets a single pane of glass to manage both IT
equipment and the supporting infrastructure. IPM provides the
shutdown, migration, disaster recovery and load shedding features in
virtualized environments.
Intelligent Power Protector (IPP) is a shutdown agent with basic
monitoring and alarming capability. It provides automatic, graceful
shutdown of computers and virtual machines or servers powered by an
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Eaton UPS during a power outage that lasts longer than your available
battery runtime. Intelligent Power Protector can be remotely supervised
and managed by the Intelligent Power Manager (IPM) application.
Intelligent Power Software is delivered on a CD with the UPS.
Alternatively, you can download it from the Eaton web page. Some of
the advanced features of IPM require a license, contact your Eaton
representative for details.
6.3
Signal input monitoring
This standard feature lets you connect smoke detectors or overtemperature alarms to your signal inputs. The user interface terminals
for external connections are located inside the UPS. Use twisted-pair
wires for each alarm input and common.
The signal inputs can be programmed to display the alarm functional
name.
6.4
General purpose relay contact
One general purpose relay contact is provided as a standard feature on
the UPS. An alarm contact is also provided.
You can use a normally-closed or normally-open contact. If the state of
the contact changes from the state you specify as normal, a signal is
issued. You can connect this contact to equipment at your facility (such
as a light or an alarm bell) to let you know when an alarm is active on the
UPS. This feature is useful if the UPS is located in a remote area where
the UPS horn may not be heard immediately.
NOTE: Do not operate the contacts in excess of 30 VAC (RMS) and
30 VDC at 5 A maximum.
6.5
Configuring relays
93PS offers one native relay output. Additionally, each of the 2 MiniSlots
can be equipped with a relay card, including 5 relays. The following
instructions guide you through the relay configuration.
Currently the relay configuration can be done only using the display. The
service tool does not yet have support for nodebit functions.
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The maximum voltage of the relay is 30 V. Check the voltage and current
specifications of the other cards from the previous sections.
The process for relay configuration is as follows:
1.
In the home screen of the display, click the lock icon in the top right
corner to type in the service password.
2.
In the sign in window, click the password field containing the 4
dots.
Figure 27. Sign in window with the password field
3.
Enter the password 0101 and press
4.
Select Continue.
5.
Select Configuration and then Relays Outputs.
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Figure 28. Selecting Relay Outputs in the Configurations screen
6.
Select out of the following options:
•
Native (Alarm) relay
It is possible to set 8 different events for the native relay. If any
of the set events occurs, the relay is activated
•
MiniSlot 1
•
MiniSlot 2
Figure 29. Options for relay outputs configuration
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7.
Enter the code(s) of the function(s) that you want to trigger the relay
when they become active.
8.
Press OK and Save to save the changes.
Figure 30. Entering the codes of the functions that will trigger the relay
9.
If you selected one of the MiniSlots, the following default values are
available:
•
Relay 1: #262 On Line (LED is lit)
•
Relay 2: #260 On Battery (LED is lit)
•
Relay 3: #352 Alarm (LED is lit)
•
Relay 4: #261 On Bypass (LED is lit)
•
Relay 5: #15 Low Battery warning
Alternatively, you can configure the relays with any event you want.
10. You can test the relays by selecting any of the options in the test
mode (see Figure 29).
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Figure 31. Relays
1.
2.
Cable exit opening for up to 12
mm (½”) conduit
Signal input connector with
voltage supply
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3.
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K1 thru K5 terminal connections
for relay contacts to operator's
monitoring equipment
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7
User’s and Installation Guide
UPS operating instructions
This section describes how to operate the UPS.
CAUTION
Before you operate the UPS, make sure that all the installation tasks
are completed and a preliminary startup has been performed by
authorized service personnel. The preliminary startup verifies all the
electrical interconnections to make sure that the installation was
successful and the system operates properly.
Before you operate any of the controls, read these instructions and
have a thorough understanding of the UPS operation.
The UPS is configured to operate with one of the following nominal
voltages: 380, 400, or 415 VAC. Before you start to operate the UPS,
confirm the UPS nominal voltage and frequency from the display by
selecting Settings > Information. If the UPS need to be operated with
another voltage or frequency, contact your closest Eaton office or
Eaton authorized partner.
NOTE: The UPS is not a measuring device. All the displayed
measurements are approximate values only.
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7.1
UPS controls and indicators
7.1.1
Control panel
The control panel, located on the UPS front door, contains a color touch
screen display. It is used to display the status of the UPS system and to
control the operation of the UPS.
Figure 32. Parts of the display
The display consists of the following parts:
1
Status bar
The status bar displays the UPS name, state,
current date and time, meters information, and a
sign in/out button. It also shows any active
alarms and warnings.
2
Main navigation
Select a screen by tapping on its name.
3
Content area
This is the main area for showing information on
the UPS status and operations.
4
Status indicators
See Section 7.1.2.
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7.1.2
User’s and Installation Guide
Status indicators
The four symbols below the display are status indicators. They are
colored light emitting diode (LED) lamps, and they work in conjunction
with the alarm horn to let you know the operating status of the UPS.
Table 12. Status indicators
Indicator
Green symbol for normal
operation
Status
Description
On
The UPS is operating normally and
supplying power to the critical load.
Off
The UPS is turned off.
Yellow symbol for battery
mode
On
The UPS is in the battery mode.
Because the battery mode is a normal
condition of the UPS, the green
indicator for normal operation also
remains illuminated.
Yellow symbol for bypass
mode
On
The UPS is in the bypass mode. The
critical load is supported by the bypass
source. The green indicator for normal
operation is not illuminated when the
system is in the bypass mode.
Red symbol for active
alarm
On
The UPS has an active alarm and
requires immediate attention. The
screen shows the highest priority active
alarms. All alarms are accompanied by
an audible horn. To silence the horn,
press any control panel button once.
The alarm indicator may be illuminated
along with other indicators.
7.1.2.1 LED Power Show (optional)
The optional LED Power Show (LPS) consists of two rows of LEDs
located on the left and right sides of the UPS cabinet door. The LEDs are
red, green and yellow (RGY). The color of the LED is used to indicate the
condition of the UPS. The most urgent condition is always the one
shown. Only one color is shown at a time. The table below defines
which color is shown.
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Color LED indicators
(screen and door)
User’s and Installation Guide
UPS status
Normal operation
Battery mode
The green LEDs on the sides of the
UPS cabinet door are blinking and the
yellow symbol for battery mode is
illuminated below the display.
Since the battery mode is a normal
condition of the UPS, the green symbol
for normal operation is also illuminated
below the display.
Bypass mode
Alarm
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7.1.3
User’s and Installation Guide
System events
When the UPS system is running in the double conversion mode, it
continually monitors itself and the incoming utility power. In the battery
or bypass mode, the UPS may issue alarms to let you know exactly what
event caused the change from the double conversion mode. System
events on the UPS can be indicated by horns, lights, messages, or all
three.
Select Logs in the home screen to look at any currently active events.
•
System event horn
The system event horn beeps to alert the user that an event
requiring attention is taking place.
•
System event indicators
The status indicators on the UPS control panel and the event horn
let you know when the UPS system is operating in any mode other
than the double conversion mode. Only the green indicator for
normal operation is visible during normal UPS system operation.
The other indicators illuminate to indicate alarms or events. When
an alarm occurs, first check these indicators to see what type of
event has taken place.
•
System event messages
When a system event occurs, a message appears in the status bar
of the display. This message is also written to the Active Events
log. Some notices and alarms may be accompanied by an audible
horn. To silence the horn, press any button once.
7.1.4
Menu structure of the 93PS UPS
The following table shows the menu structure of the 93PS UPS.
Table 13. Menu structure of the 93PS UPS
Main menu
Home
Submenu
-
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Functions
An overview of the UPS operation,
including information on load, efficiency
and consumption.
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Main menu
Meters
Controls
User’s and Installation Guide
Submenu
Functions
Meters
summary
A summary of the UPS or system meters.
Input meters
Detailed information on UPS or system
input meters.
Bypass meters
Detailed information on UPS or system
bypass meters.
Output meters
Detailed information on UPS or system
output meters.
UPM Power
Battery meters
Detailed information on UPS or system
battery meters.
System controls
Go Online
Go to bypass
Turn Off Charger
Load Off
UPS controls
Run battery test
Shut down UPS
Module controls
Start charger
Run battery test
Shut down module / Start module
UPM 1:
•
•
•
Charger
Battery test
UPM status
UPM2:
•
•
•
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Charger
Battery test
UPM status
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Main menu
User’s and Installation Guide
Submenu
Functions
EAA controls
ESS:
•
•
•
Enable
Disable
Configure
VMMS:
•
•
•
Enable
Disable
Configure
Enable High Alert
Clear Status
ABM:
•
•
•
Enable
Disable
Configure
Clear Alarms
Clear Logs
Mimics
Logs
UPS mimics
An overview of the UPS operation,
including information on load, efficiency
and consumption. If there is an error, an
error indicator is displayed next to the
affected part. Active events log can be
opened by tapping the error indicator.
UPS module
map
Module map shows the status of each
UPM.
System
overview
System overview shows the status and
meters summary for each UPS.
ESS
The ESS mimic screen shows the
approximated consumption and energy
savings of the ESS mode.
Active events
All active events are displayed.
System log
A log of all system events.
Service log
A detailed log of UPS operations.
Change log
A log of all changed settings and their
values.
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Main menu
Statistics:
UPS, Battery
Settings
User’s and Installation Guide
Submenu
Functions
Statistics
summary
A summary of UPS statistics.
Statistics details
Details are available by pressing on
different statistics.
User
Configuration
Service
Configurable user settings. For details, see
Section 7.1.4.1.
7.1.4.1 User settings
The UPS has the following settings that are user-modifiable. In the
Home screen, select Settings.
Table 14. User settings
Setting
Description
Information
Information on the UPS model, including part number
and serial number.
About
Version information.
To modify the Configuration settings, you need to sign in.
Table 15. Configuration settings
Setting
Description
Language
Change the user interface language.
Unit Name
Change the unit name.
Clock
Change the date and time, change the clock format or
enable/disable NTP clock setup.
GSM
GSM modem.
Call Service
Send automatic e-mail to the service center in case
of a failure.
Signal Input
Select signal input name and function or change
contact polarity.
Relay Outputs
Configure the relay outputs.
Battery test
Change the power level and duration for battery test.
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Setting
User’s and Installation Guide
Description
Bypass Limits
Change the bypass voltage or bypass frequency.
Screen Saver
Timeout
Change the screen saver timeout.
Meters
Change the meters format.
Lamp Test
Enable the lamp test
HMI backlight
Adjust the backlight brightness.
Control P/W level 1
Change the level 1 password, or remove the
password on level 1. The default value is 1111.
Reset statistics
Reset all statistics.
Minimum required
kVa
Change the minimum required kVa.
7.2
Signing in
If the level 1 password is enabled, you need to sign in.
1.
Press the lock button IMAGE in the top right corner of the screen.
2.
Type in your password and press OK.
You are signed in.
3.
Press Continue to return to the previous screen.
There are 3 attempts to input the password. If an incorrect password is
given more than 3 times, you need to wait for 30 minutes before trying
again.
To modify the user settings, you need to enter the level 2 password. For
the default passwords, see Section 7.1.4.1.
7.3
System control instructions
7.3.1
Starting the UPS system in the double conversion mode
The UPS system can consist of a single UPS or several parallel UPSs.
UPSs with their
MOB open are not considered as part of the system.
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To start the UPS system:
1.
Open the UPS front door.
2.
If included inside the UPS system, check that the rectifier input
switches are closed.
3.
Check that the battery breaker is closed.
4.
Close the UPS front door.
5.
Close the UPS input feeder circuit breaker.
6.
Close the UPS bypass input feeder circuit breaker.
7.
Wait for the UPS control panel display to become active and to
indicate logic power.
8.
Repeat steps 1-7 for each individual UPS in the system.
9.
In the home screen, press Controls.
The System controls screen appears.
10. In the System controls screen, check that the system status is
SHUTDOWN.
11. In the System controls screen, press the Go online button.
If Auto Bypass is enabled (factory default), the critical load is
immediately supplied by the bypass source, in the bypass mode,
until the inverter turns on and the UPS transfers to the double
conversion mode. The status indicator on the UPS control panel
indicates that the UPS is in the bypass mode. If auto bypass is not
enabled, the UPS output remains off until the UPS system transfers
to double conversion mode.
12. Wait for the following messages to appear sequentially on the
System controls screen:
STARTING
ONLINE
The rectifier and inverter turn on. The DC voltage continues to ramp
up to full voltage. Once the DC link reaches full voltage and the
battery breaker is closed, the UPS output relay K3 closes and the
static switch turns off. Power is now supplied to the critical load in
the double conversion mode. It takes approximately 20 seconds for
the UPS system to achieve the double conversion mode.
The UPS system is now operating in the double conversion mode. The
green status indicator for normal operation is illuminated in all the UPSs
in the system.
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7.3.2
User’s and Installation Guide
Starting the UPS system in the bypass mode
CAUTION
In the bypass mode, the critical load is not protected from mains
power interruptions and abnormalities.
If the inverter output of the UPS is not available and the critical load
needs to be energized, perform the following procedure:
1.
Open the UPS front door.
2.
If included inside the UPS system, check that the rectifier input
switches are closed.
3.
Check that the battery breaker is closed.
4.
Close the front door.
5.
Close the UPS input feeder circuit breaker.
6.
Close the UPS bypass input feeder circuit breaker.
7.
Wait for the UPS control panel to become active and indicate logic
power.
8.
Repeat steps 1-7 for each single UPS in the system.
9.
In the home screen, press Controls.
The System controls screen appears.
10. In the System Controls screen, check that the system status is
shown as SHUTDOWN.
11. In the System controls screen, press the Go to bypass button.
The critical load is immediately supplied by the bypass source, in
the bypass mode.
The UPS system is now operating in the bypass mode. The yellow
bypass status indicator is illuminated.
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Eaton 93PS UPS 8-40 kW
7.3.3
User’s and Installation Guide
Transferring from the double conversion mode to the
bypass mode
CAUTION
In the bypass mode, the critical load is not protected from mains
power interruptions and abnormalities.
To transfer the critical load to the bypass mode, perform the following
procedure:
1.
In the home screen, press Controls.
The System controls screen appears.
2.
In the System controls screen, press the Go to bypass button.
The UPS system transfers to the bypass mode and the critical load
is immediately supplied by the bypass source. If the bypass source
is not available, the power processor remains on and an alarm
sounds.
The UPS system is now operating in the bypass mode and the yellow
bypass status indicator is illuminated. The UPM status is shown as
Ready. The system status is shown as ON BYPASS.
7.3.4
Transferring from the bypass mode to the double
conversion mode
To transfer the critical load to the double conversion mode, perform the
following procedure:
1.
In the home screen, press Controls.
The System controls screen appears.
2.
In the System controls screen, press the Go online button.
The UPS system transfers to the double conversion mode. If there
is not enough UPM capacity available, the system remains in the
bypass mode and an alarm sounds.
The UPS is now operating in the double conversion mode. The green
status indicator for normal operation is illuminated. The system status is
shown as UNIT ONLINE.
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7.3.5
User’s and Installation Guide
Transferring from the double conversion mode to the
Energy Saver System Mode
NOTE: Note that the Energy Saver System mode commands are
displayed only if enabled at the factory or by an Eaton Customer Service
Engineer.
To transfer the critical load to the Energy Saver System mode:
1.
In the home screen, press Controls.
2.
Select Service controls.
3.
Select Enable ESS.
The entire UPS system transfers to the Energy Saver System mode
and the critical load is supplied by the bypass source. If the bypass
source is not available or the conditions are not correct for the ESS
mode, the power module remains on and an alarm sounds. The
green status indicator for normal operation is illuminated. The UPS
status is shown as UNIT ONLINE, ESS. The UPM status is shown
as READY.
7.3.6
Transferring from the Energy Saver System mode to the
double conversion mode
NOTE: Note that the Energy Saver System mode commands are
displayed only if enabled at the factory or by an Eaton Customer Service
Engineer.
To transfer the critical load to the double conversion mode:
1.
In the home screen, press Controls.
2.
Select Service controls.
3.
Select Disable ESS.
The UPS system transfers to the battery mode and then to the
double conversion mode. If the power module is not available, the
system remains in the bypass mode and an alarm sounds. The
green status indicator for normal operation is illuminated. The UPS
status is shown as UNIT ONLINE. The UPM status is shown as
ACTIVE.
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7.3.7
User’s and Installation Guide
Shutting down the UPS system and critical load
To perform maintenance or service on the critical load, shut down the
power to the load by performing the following procedure:
1.
Turn off all the equipment that is powered by the UPS system.
2.
Perform the LOAD OFF procedure (see Section 7.3.8).
The input, output, and bypass backfeed contactors open, the
battery breaker or disconnect is tripped, and the power module is
turned off.
3.
Open the UPS front door latch.
4.
If included in the UPS system, open the rectifier input switches.
5.
Check that the battery breaker is open.
6.
Close the UPS front door.
7.
Open the UPS input and bypass feeder circuit breakers.
8.
Repeat steps 3-7 for all the UPSs in the system.
.
DANGER
Power is still present inside each UPS cabinet until the upstream
feeder circuit breaker is opened, and in case of a parallel system, the
output is isolated or parallel units are shut down as well.
7.3.8
De-energizing the critical load
Initiate a UPS system Load Off by pressing the Load Off button in the
Controls ->System Controls screen. This button can be pressed to
control the UPS output. The Load Off button de-energizes the critical
load and shuts down the UPS system. The UPS system (including
bypass) remains off until it is restarted.
1.
Press Load Off.
The shutdown screen appears, providing a choice to proceed or
abort the shutdown.
2.
To shut down the UPS, press Load Off. To abort the shutdown,
press Abort.
NOTE: All power to the critical load is lost when Load Off is selected.
Only use this feature when you want to de-energize the critical load.
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When Load Off is selected, the input, output, and bypass backfeed
contactors open, the battery breaker or disconnect is tripped, and all
the UPSs in the system are turned off.
To restart the UPS system, follow the procedure in Section 7.3.1 or
Section 7.3.2.
CAUTION
Do not attempt to restart the system after Load Off until you have
identified and cleared the cause of the shutdown.
7.4
UPS control instructions
7.4.1
Starting a single UPS
Make sure that the load level does not exceed the single UPS capacity.
To start the UPS:
1.
Open the UPS front door.
2.
If included inside the UPS system, check that the rectifier input
switches are closed.
3.
Check that the battery breaker is closed.
4.
Close the UPS front door.
5.
Close the UPS input feeder circuit breaker.
6.
Close the UPS bypass input feeder circuit breaker.
7.
Wait for the UPS control panel display to become active and indicate
logic power.
8.
In the home screen, press Controls.
9.
Press the UPS controls button.
In the UPS controls screen, the system status is shown as
SHUTDOWN.
10. In the UPS controls screen, press the Go online button.
If Auto Bypass is enabled (factory default), the critical load is
immediately supplied by the bypass source in the bypass mode,
until the inverter turns on and the UPS transfers to the double
conversion mode. The yellow status indicator on the UPS control
panel indicates that the UPS is in the bypass mode. If auto bypass
is not enabled, the UPS output remains off until the UPS system
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transfers to the double conversion mode.
11. In the UPS control screen, press the Go online button.
12. Wait for the following messages to appear sequentially on the UPS
status line:
STARTING
ONLINE
The rectifier and inverter turn on. The DC voltage continues to ramp
up to full voltage. Once the DC link reaches full voltage and the
battery breaker is closed, the UPS output relay K3 closes. Power is
now supplied to the critical load in the double conversion mode. It
takes approximately 20 seconds for the UPS system to achieve the
double conversion mode.
The UPS system is now operating in the double conversion mode and
the green status indicator for normal operation is illuminated.
7.4.2
Shutting down a single UPS
A single UPS in the system can be shut down only if it is redundant. In
practice, this means that a UPS is not allowed to be shut down if doing
so would lead to an overload condition in the remaining UPSs in the
system.
To shut down a single UPS:
1.
In the home screen, press Controls.
The System controls screen is displayed.
2.
In the System controls screen, press UPS controls.
3.
In the UPS control screen, select Shut down UPS.
7.4.3
Enabling and disabling the battery charger
To turn the battery charger on or off, perform the following procedure:
1.
In the home screen, press Controls.
2.
In the System controls screen, press UPS controls.
3.
Press the Turn on / Turn off button.
The System controls screen appears.
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7.5
UPM control instructions
7.5.1
Starting the UPMs
Make sure that the load level does not exceed the single UPM capacity.
To start an individual power module in the double conversion mode:
1.
Open the UPS front door.
2.
If included inside the UPS system, check that the rectifier input
switches are closed.
3.
Check that the battery breaker is closed.
4.
Close the UPS front door.
5.
Close the UPS input feeder circuit breaker.
6.
Close the UPS bypass input feeder circuit breaker.
7.
Wait for the UPS control panel to become active and indicate logic
power.
8.
In the home screen, press Controls.
The System controls screen is displayed.
9.
In the System controls screen, check that the UPS status is shown
as SHUTDOWN.
10. Check that there are no active alarms.
11. In the System controls screen, press Module controls.
The Select module screen is displayed.
12. Select the UPM you want to start (UPS 1 / UPS 2).
The UPM control screen is displayed. The UPM status is shown as
SHUTDOWN.
13. In the UPM control screen, select Start module.
14. Wait for the following messages to appear sequentially on the UPM
status line:
READY
ACTIVE
The UPM rectifier and inverter turn on and the UPM transfers to the
double conversion mode and supplies the critical load.
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7.5.2
User’s and Installation Guide
Shutting down the UPMs
A single UPM in the system can be shut down only if it is redundant. In
practice, this means that a UPM is not allowed to be shut down if doing
so would lead to an overload condition in the remaining UPMs or UPSs
in the system.
To shut down a single UPM:
1.
In the home screen, press Controls.
2.
In the System controls screen, press Module controls.
The System controls screen is displayed.
The Select module screen is displayed.
3.
Select the UPM you want to shut down (UPM 1 / UPM 2).
4.
In the UPM control screen, select Shut down module.
7.6
Using the Remote Emergency Power-off switch
A UPS emergency power-off is initiated by the EPO pushbutton switch.
In case of an emergency, you can use this switch to control the UPS
output. The EPO switch de-energizes the critical load and powers down
the UPS immediately without asking for verification. The UPS, including
the static bypass switch, remains off until it is restarted.
CAUTION
When the EPO switch is activated, all power to the critical load is lost.
Use this feature only in case of emergency.
NOTE: The following instructions are for the EPO switch supplied by
Eaton Corporation. If you are using a customer-supplied EPO switch, it
may not activate in the same way. For operating instructions, see the
documentation provided with the switch.
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To use the EPO switch:
1.
Press the EPO pushbutton switch.
The input, output, and bypass backfeed relays open, the battery
breaker or disconnect is tripped, and the power module is turned off
immediately, without asking for verification.
To restart the UPS after using the EPO pushbutton, reset the EPO
switch and then follow the procedure in Section 7.3.1 or Section 7.3.2.
WARNING
Do not attempt to restart the system after using the EPO switch until
the conditions for safe start-up have been confirmed.
7.7
Turning the UPS from the double conversion mode to
maintenance bypass
Only trained personnel who are familiar with the behavior and functions
of the UPS are allowed to operate the internal MBS. A full UPS wiring
diagram with MBS switch is presented in the schematic diagram.
NOTE: The integral MBS and static bypass must be supplied by the same
source.
The MBS has 3 positions: UPS, Test and Bypass. When the MBS is
turned to the Test position, the UPS is already turned to maintenance
bypass and it no longer provides protected input to the load, but enables
testing of the UPS internal functionality.
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To turn the UPS to maintenance bypass:
1.
Follow the normal start position:
Figure 33. Normal positions of the MBS switches and rectifier disconnect switch
(must be located in the site wiring)
A
Maintenance bypass input
B
Static bypass input
C
Rectifier input
D
Out
1
Maintenance Bypass Switch
(MBS)
2.
Perform the transfer from the double conversion mode to the
bypass mode as instructed in Section 7.3.3. Remember to verify the
transfer before proceeding to the next step.
3.
Turn the MBS from the UPS position to the Test position and then
to the Bypass position.
4.
Perform the LOAD OFF procedure as described in Section 7.3.7.
5.
Turn off the rectifier switch to disconnect the UPS rectifier input.
6.
Turn off the static bypass switch to disconnect the UPS bypass
input.
The UPS is now in the maintenance bypass mode:
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Figure 34. Maintenance bypass mode
A
Maintenance bypass input
B
Static bypass input
C
Rectifier input
D
Out
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7.8
User’s and Installation Guide
Turning the UPS from the maintenance bypass mode to
the double conversion mode
To turn the UPS back to the double conversion mode:
1.
Follow the normal start position:
Figure 35. Maintenance bypass mode
A
Maintenance bypass input
B
Static bypass input
C
Rectifier input
D
Out
1
Maintenance Bypass Switch
(MBS)
2.
Turn on the rectifier switch to connect rectifier input to the UPS.
3.
Turn on the static bypass switch to connect bypass input to the
UPS.
4.
Turn the MBS from the bypass position to the Test position.
5.
Perform the UPS start-up procedure (bypass mode) in Section 7.3.2.
6.
Turn the MBS from the Test position to the UPS position.
7.
Perform the transfer from the bypass mode to the double
conversion mode as described in Section 7.3.4.
The UPS is now in the double conversion mode.
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Figure 36. Double conversion mode
A
Maintenance bypass input
B
Static bypass input
C
Rectifier input
D
Out
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8
User’s and Installation Guide
UPS maintenance
The components inside the UPS cabinet are secured to a sturdy metal
frame. All repairable parts and assemblies are located for easy removal
with very little disassembly. This design allows authorized service
personnel to perform routine maintenance and servicing quickly.
Schedule periodic performance checks of your UPS system to keep it
running properly. Regular routine checks of the operation and system
parameters enable your system to function efficiently for many troublefree years.
8.1
Important safety instructions
Remember that your UPS system is designed to supply power EVEN
WHEN IT IS DISCONNECTED FROM THE UTILITY POWER. The UPS
module interiors are unsafe until the DC power source is disconnected
and the electrolytic capacitors are discharged.
After disconnecting the utility power and the DC power, authorized
service personnel must wait at least 5 minutes for capacitor bleed-off
before attempting internal access to the UPS module.
.
DANGER
LETHAL VOLTAGE. Do not operate the UPS system without the
cabinet doors or protective panels secured. Do not make any
assumptions about the electrical state of any cabinet in the UPS
system.
WARNING
All service and maintenance work must be performed only by service
personnel qualified and authorized by Eaton.
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CAUTION
An additional warning label, shown in Figure 37, must be installed at
the UPS input terminals and all the primary power isolators used to
isolate the UPS unit if the UPS input is connected through external
isolators that, when opened, isolate the neutral. These warning labels
can be obtained from your local service representative.
Figure 37. Warning label
Since each battery string is an energy source in itself, opening the
battery circuit breaker does not de-energize the voltage within the
battery string.
.
DANGER
Do not attempt to access any internal area of the battery string
yourself. Voltages are always present in the battery strings. If you
suspect that a battery string needs service, contact your service
representative.
Observe these precautions when working on or around batteries:
•
Remove watches, rings, or other metal objects.
•
Use tools with insulated handles.
•
Wear rubber gloves and boots.
•
Do not lay tools or metal parts on top of batteries or battery
cabinets.
•
Prior to connecting or disconnecting terminal, disconnect the
charging source.
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•
Determine if the battery is inadvertently grounded. If it is, remove
the source of the ground. Contact with any part of a grounded
battery can result in an electrical shock. The likelihood of such a
shock is reduced if such grounds are removed during installation
and maintenance.
•
When replacing batteries, use the same number of sealed, lead-acid
batteries.
•
Dispose of batteries according to your local codes for disposal
requirements.
8.2
Performing preventive maintenance
The UPS system requires very little preventive maintenance. However,
inspect the system periodically to verify that the units are operating
normally and that the batteries are in good condition.
The majority of the service and maintenance work must be performed
by service personnel qualified by Eaton. Only the actions described in
Section 0 and Section 8.2.3 are allowed to be performed by the user.
8.2.1
Preventive maintenance plan
Year
Description
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
Washing the
air filter
x
x x
x
x
x
x
x
x
Replacing
the fan
Replacing
the battery
x
x
x
x
x
x
x
x
x x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Capacitor
board
x
x
x x
x
x
* Timing of the battery replacement depends on the battery type and model.
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8.2.2
User’s and Installation Guide
Daily maintenance
Perform the following steps every day:
1.
Check the area surrounding the UPS system. Make sure that the
area is not cluttered, allowing free access to the unit.
2.
Check that the air intakes (vents on the front doors) and exhaust
opening (the back of the UPS cabinet sections) are not blocked.
3.
Make sure that the operating environment is within the parameters
specified in Section 4.3.1 and Chapter 9.
4.
Check that the UPS is in the normal operation mode (the green
status indicator for normal operation is illuminated). If the red alarm
status indicator is illuminated or the green status indicator for
normal operation is not illuminated, contact your service
representative.
8.2.3
Monthly maintenance
Perform the following steps once a month:
1.
Check the system parameters on the control panel (see Section
7.1.4).
2.
If the optional air filters are installed, check them (located behind the
front doors) and wash or replace them, if needed. Contact your
service representative for replacement filters. To replace the filters:
a. Open the UPS front door.
b. Replace the filters.
c. Close the UPS front door.
3.
Record the check results and any corrective actions in a service log.
8.2.4
Periodic maintenance
Inspect the UPS periodically to determine if components, wiring, and
connections exhibit evidence of overheating. Pay particular attention to
bolted connections.
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8.2.5
User’s and Installation Guide
Annual maintenance
CAUTION
Only authorized personnel that are familiar with the maintenance and
servicing of the UPS system are allowed to perform annual preventive
maintenance. Contact your service representative for more information
about service offerings.
8.2.6
Battery maintenance
WARNING
Only authorized personnel are allowed to perform battery replacement
and maintenance. Contact your service representative for battery
maintenance.
8.3
Recycling the used UPS or batteries
Remove the battery bank before disposing of the UPS or its battery
cabinet. Follow the local requirements regarding battery recycling or
disposal.
WARNING
Only authorized personnel are allowed to remove the batteries due to
the risk caused by high energy and voltage.
Do not discard waste electrical or electronic equipment in the trash. For
proper disposal, contact your local collecting/recycling/reuse or
hazardous waste center and follow the local legislation.
The following symbols indicate a product requiring special handling:
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Figure 38. WEEE symbol
Figure 39. Recycling batteries symbol
When handling waste from electrical and electronic equipment, use
proper local collecting centers that meet local legislation.
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WARNING
HAZARDOUS MATERIALS.
Batteries may contain high voltages and caustic, toxic and flammable
substances. If used improperly, batteries can injure or kill people and
damage equipment.
Do not discard of unwanted batteries or battery material in the public
waste disposal system. Follow all the applicable local regulations
regarding the storage, handling and disposal of batteries and battery
materials.
8.4
Maintenance training
For more information about training and other services, contact your
Eaton representative.
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9
User’s and Installation Guide
Technical data
For a complete technical specification, contact your Eaton
representative. Due to continuous product improvement programs,
specifications are subject to change without notice.
9.1
Standards
Safety
IEC 62040-1: Uninterruptible power
systems (UPS) - Part 1: General and
safety requirements for UPS
IEC 60950-1: Information technology
equipment - Safety - Part 1: General
requirements (as referred through the
IEC 62040-1)
EMC
IEC 62040-2: Uninterruptible power
systems (UPS) - Part 2:
Electromagnetic compatibility (EMC)
requirements / Ed.2
•
•
Emissions: category C2
Immunity: category C3
Performance & tests
IEC 62040-3: Uninterruptible power
systems (UPS) - Part 3: Method of
specifying the performance and test
requirements
Environmental
IEC62040-4: Uninterruptible Power
Systems (UPS) - Part 4:
Environmental Aspects Requirements and Reporting
IEC 62430: Environmentally conscious
design for electrical and electronic
products
RoHS
2011/65/EU on the restriction of the
use of certain hazardous substances
in electrical and electronic equipment
WEEE
2012/19/EU on waste electrical and
electronic equipment (WEEE)
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ECO Design Directive
2009/125/EC establishing a
framework for the setting of ecodesign requirements for energyrelated products
Batteries
2006/66/EC on batteries and
accumulators and waste batteries and
accumulators
Packaging
94/62/EC on packaging and packaging
waste
9.2
UPS system input
Rated input voltage
220/380 V; 230/400 V; 240/415 V
Voltage tolerance, (Rectifier input)
230 V -15% / +20%
Voltage tolerance, (Bypass input)
230 V -15% / +10%
Rated input frequency
50 or 60 Hz
Frequency tolerance
40 to 72 Hz
Number of input phases (rectifier &
bypass)
3 phases, + N
Input power factor
0.99
Rated mains input current
Maximum mains input current
See
Table 9
Input current distortion at rated input
current, iTHD
< 3%
Rectifier ramp-up, rectifier start and
load step
10 A/s (default), configurable.
Min 1A/s
Backfeed protection
Yes, for rectifier and bypass lines
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9.3
User’s and Installation Guide
UPS system output
Number of output phases
3 phases, + N
Rated output voltage
220/380 V; 230/400 V; 240/415 V,
configurable
Rated output frequency
50 or 60 Hz, user configurable
Total voltage harmonic distortion:
100 % linear load
100 % non-linear load
< 1%
< 5%
Rated output frequency
100% non-linear load <3%
Output frequency variation
±0.1 Hz
Slew rate
1 Hz/s
Output current
See
Table 9
Overload capability at ambient 40 °C
(in the double conversion mode)
102 – 110 % rated power for 10 min
111 – 125 % rated power for 60 s
126 – 150 % rated power for 10 s
> 150% rated power for 300 ms
Overload capability at ambient 40 °C
(in the stored energy mode)
102 – 110 % rated power for 10 min
111 – 125 % rated power for 60 s
126 – 150 % rated power for 10 s
> 150% rated power for 300 ms
Overload capability at ambient 40 °C
(in the bypass mode)
Continuous ≤ 125% load
Transient ≤ 1000% RMS current for
20 ms
Note! Bypass fuses may limit the
overload capability
Load power factor (rated)
Nominal 1.0
Load power factor (permitted range)
From 0.8 lagging to 0.8 leading
Max ambient temperature without derating
40 °C
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9.4
User’s and Installation Guide
UPS environmental specifications
Acoustic noise at 1 m
40 kW unit: <55 dB at 75% load
40 kW unit: <60 dB at 100% load
Ambient UPS storage temperature
range
From -25 °C to +55 °C in the
protective package
Storage temperature 1)
From -25 °C to 55 °C
Transportation temperature 1)
From -25 °C to 60 °C
Ambient operating temperature range
From 0 °C to +40 °C*
Relative humidity range
5 to 95%, no condensation allowed
Maximum service altitude
1,000 m (3,300 ft) above sea level at
+40 °C
Maximum 2,000 m (6,600 ft) with 1%
de-rating per each additional 100 m
above 1,000 m.
Maximum storage time with internal
batteries
6 months without discharge
*Maximum recommended operating and storage temperature for UPS with
internal batteries is +25 °C. Higher storage temperature will shorten the
maximum storage time without recharging.
1)
The maximum recommended operational and storage temperature with VRLA
batteries is 25 °C.
9.5
Battery specification
Battery type
VRLA, 12 VDC
Battery quantity
Default 32 blocks, 192 cells per
battery string
Note! Do not connect battery strings
with different battery quantity and
voltage in parallel!
Battery voltage
384 V (32 blocks)
Recharge profile
Constant voltage, constant current
charging (U-I characteristics), ABM or
float charge
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Document ID: P-164000493
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
End of discharge voltage
1.67 VPC to 1.75 VPC, configurable or
automatic (load adaptive)
Charge current
Configurable:
8-20 kW units
Configurable 0...25 A
At >80% load automatically limited to
15 A.
8-40 kW units
Configurable 0...50 A
At >80% load automatically limited to
30 A.
Note that the maximum charge
current is 25 A per 20 kW UPM.
Battery start option
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Yes
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Document ID: P-164000493
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Eaton 93PS UPS 8-40 kW
10
User’s and Installation Guide
Warranty
10.1
General
The product is warranted against defects in materials and workmanship
for a period of twelve (12) months from its original date of purchase. The
local office or distributor may grant a warranty period different to the
above. Please refer to local terms of liability as defined in the supply
contract.
The UPS manufacturer is not responsible for:
•
Any costs resulting from a failure if the installation, commissioning,
repair, alternation, or ambient conditions of the equipment do not
fulfill the requirements specified in the documentation delivered
with the unit and other relevant documentation.
•
Equipment subjected to misuse, negligence or accident.
•
Equipment comprised of materials provided or designs stipulated by
the purchaser.
The warranty is only valid if the installation inspection and initial startup
of the UPS unit is carried out by a service engineer approved by Eaton.
Service and maintenance of the UPS shall also be performed only by a
service engineer approved by Eaton. Otherwise the warranty will be
voided.
If the product fails to meet its published specifications due to a defect in
material and workmanship, covered by this warranty, the seller will
repair or replace the warranted product. Such repair or replacement will
be made by Eaton or by a service provider approved by Eaton. Repair or
replacement during the warranty period does not extend the original
warranty. Warranty does not cover taxes, which will be due in
connection with replacement or repair of the product.
Batteries are warranted against failures in material and workmanship,
not against the normal aging and reduction of ampere-hour capacity. The
product storage environment has to meet manufacturer's specifications,
failure to do this will cause the warranty to be voided.
Under no circumstances shall the manufacturer, its suppliers or
subcontractors be liable for special, indirect, incidental or consequential
damages, losses or penalties.
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Document ID: P-164000493
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Eaton 93PS UPS 8-40 kW
User’s and Installation Guide
The technical data, information and specifications are valid at the time of
printing. The UPS manufacturer reserves the right to modifications
without prior notice.
10.2
Whom to contact in case of Warranty
In case of Warranty, or while unsure if the unit in question is covered by
warranty, contact the respective sales organization where the unit was
purchased. Have the following information available:
•
Purchase order number and purchase order date
•
Installation date
•
Serial number and part number of the unit (information available on
the unit's label)
OR
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Revision: 002
Document ID: P-164000493
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Eaton Power Quality Oy
Koskelontie 13
FI-02920 Espoo
Finland
www.eaton.eu
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