Starting the UPS ...................................................................................................................................... 21
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
Thank you for selecting this uninterruptible power supply (UPS). It provides you with protection for
connected equipment. Please read this manual before installing the P90-Series UPS models P90-1000,
P90-1500, P90-2000 and P90-3000 as it provides important information that should be followed during
installation and maintenance of the UPS and batteries, allowing you to correctly set up your system for
the maximum safety and performance. Included is information on customer support and service, if it is
required. If you experience a problem with the UPS, please refer to the Troubleshooting section in this
manual to correct the problem. If the problem is not corrected, please collect information so that the
Technical Support personnel can more effectively assist you.
EMC Statements - FCC Part 15
Notice:
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at the users own expense.
Modifications not expressly approved by the manufacturer could void the user’s authority to operate the
equipment under FCC rules.
This equipment has been tested and found to comply with the limits for a Class A digital device,
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
IMPORTANT SAFETY INSTRUCTIONS:
(SAVE THESE INSTRUCTIONS)
CAUTION! (UPS having Internal Batteries):
parts inside this unit are energized from the battery supply even when the input AC power is
disconnected.
Risk of electrical shock – Hazardous live
CAUTION! (No User serviceable Parts): Risk of electrical shock, do not remove cover.
No user serviceable parts inside. Refer servicing to qualified service personnel.
CAUTION! (Non-isolated Battery supply): Risk of electric shock, battery circuit is not
isolated from AC input, hazardous voltage may exist between battery terminals and ground. Test before
touching.
WARNING! (Fuses): To reduce the risk of fire, replace only with the same type and size of fuse.
WARNING! Unit intended for installation in a controlled environment.
CAUTION! Do not dispose of batteries in a fire, the battery may explode.
CAUTION! Do not open or mutilate the battery, released electrolyte is harmful to the skin and eyes.
CAUTION! A battery can present a risk of electric shock and high short circuit current. The following
precaution should be observed when working on batteries:
• Remove watches, rings or other metal objects.
• Use tools with insulated handles.
To reduce the risk of electric shock, disconnect the UPS from the main supply before installing a
computer interface signal cable. Reconnect the power cord only after signaling interconnections have
been made.
Servicing of batteries should be performed or supervised by personnel with knowledge of batteries and
the required precautions. Keep unauthorized personnel away from batteries.
These UPS units are extremely heavy. Caution should be taken in moving and positioning equipment.
The instructions contained within this safety manual are deemed important and should be closely
followed at all times during installation and follow-up maintenance of the UPS and batteries.
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
CAUTION
The unit has a dangerous amount of voltage. If the UPS indicator is on, the unit’s outlets may have a
dangerous amount of voltage even when not plugged into the wall outlet because the battery may
continue to supply power.
Care should be taken to undertake installation indoors, free from electrically-conductive particles
which are under temperature and humidity control, in order to reduce the risk of electric shock.
It is best to disconnect the device using the power supply cord. Ensure that the equipment is placed in
a position near the outlet where easily accessible.
Except for replacing the batteries, all servicing on this equipment must be carried out by qualified
service personnel.
Before conducting any maintenance, repair, or shipment, first ensure that everything is turned off
completely and disconnected.
For additional safety instructions, please use the Safety Manual as a reference.
Special Symbols
The following symbols used on the UPS warn you of precautions:
RISK OF ELECTRIC SHOCK - Please observe the warning that a risk of electric shock is present
CAUTION: REFER TO OPERATOR’S MANUAL - Refer to the operator’s manual for additional
information, such as important operating and maintenance instructions.
LOAD ON/OFF – Pressing the button turns on/off the output receptacles and the indicator
light.
RJ45 RECEPTACLE – The receptacle provides network interface connections and telephone or
telecommunications equipment should not be plugged into it.
Please do not discard of the UPS or the UPS batteries as the UPS may have valve-regulated
lead-acid batteries. Please recycle batteries appropriately.
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
INTRODUCTION
The information provided in this manual covers single phase 1000VA, 1500VA, 2000VA, and 3000VA
uninterruptible power systems, their basic functions, operating procedures, options available and
emergency situations. It also includes information on how to ship, store, handle, and install the
equipment. Only detailed requirements of the UPS units are described herein, and installation must be
carried out in accordance with this manual. Electrical installation must also carefully follow local
legislation and regulations. Only qualified personnel should conduct these installations as failure to
acknowledge electrical hazards could prove to be fatal.
PRODUCT DESCRIPTION
Many different kinds of sensitive electrical equipment can be protected by an Uninterruptible Power
Supply (UPS) including computers, workstations, process control systems, telecommunications systems,
sales terminals, other critical instrumentation, etc. The purpose of the UPS is to protect these systems
from poor quality utility power, complete loss of power, or other associated problems.
Electrical interference exists in many forms, causing problems in AC power, from lightning, power
company accidents and radio transmission motors, air conditioners, and vending machines. Protection
of sensitive electrical equipment is vital to protect against power outages, low or high voltage
conditions, slow voltage fluctuations, frequency variations, differential and common-mode noise,
transients, etc.
To prevent power line problems from reaching critical systems causing damage to software, hardware,
and equipment malfunctions, the UPS maintains constant voltage, isolating critical load output and
cleaning the utility AC power.
Double Conversion On-Line Technology
A double conversion on-line technology UPS provides completely isolated, clean, uninterrupted singlephase power to your critical systems, while maintaining the batteries for their maximum potential. In
the event that the power failure lasts longer than the UPS backup time, the UPS will shut down avoiding
battery damage. When the input AC voltage returns, the UPS will automatically return online to
recharge the batteries.
As shown in block diagram:
• An input filter reduces transients on the incoming utility.
• To maintain full battery charge, the AC input power is rectified and regulated in the rectifier
feeding power to the battery converter and inverter.
• DC power is converted to AC in the inverter, passing it on to the load.
• Power is maintained from the battery during a power failure.
• The converter increases voltage appropriately for the inverter.
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
Block Diagram
Diagnostic Tests
When the UPS is started, a diagnostic test is automatically executed, checking the electronics and
batteries, reporting any problems on the LCD display.
SYSTEM CONFIGURATION
The UPS device and the internal batteries make up the system. Depending on the site and load
requirements of the installation, certain additional options are available for the solution.
Planning a UPS system, the following should be taken into consideration:
• The total demand of the protected system shall dictate the output power rating (VA). Allow a
margin for future expansion or calculation inaccuracies from measured power requirements.
• Backup time required will indicate the battery size needed. If the load is less than the UPS
nominal power rating, then actual backup time is longer.
• The following options are available: o Connectivity Options –SNMP/WEB card
See the Specification section of this manual for additional model information.
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
FRONT VIEW PICTURE
P90-1000 REAR VIEW DIAGRAM
P90-1500 REAR VIEW DIAGRAM
P90-2000 REAR VIEW DIAGRAM
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
P90-3000 REAR VIEW DIAGRAM
FRONT PANEL
SELECTOR BUTTONS
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
RACK DISPLAY
TOWER DISPLAY
Communication Connections
To allow for unattended UPS shutdown/start-up and status monitoring, connect one end of the
communication cable to the USB/RS232 port and the other to the communications port on your PC or
server. With the monitoring software installed, the UPS can be scheduled for shutdown/start-up and
monitoring of the UPS status through the PC or server.
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
PIN #
FUNCTIONS
1,4,6,7,8,9
Reserved
2
UPS transmit
3
UPS receive
5
Ground
RS232 Communications
The RS-232 interface uses a 9-pin female D-sub connector. Information provided includes data about
utility, load and the UPS. The interface port pins and their functions are identified in the following table:
SNMP Communications Option
The UPS provides an intelligent slot for internal or external network card. This special intelligent network
card can be compatible with popular software and hardware found on the web and in operating
systems. It can support operating systems such as HP Open View, IBM Netview, SUN Netmanager, etc.
This enables the UPS to provide instant UPS and power information over the network. Please contact
your reseller for additional details.
Emergency Power Off (EPO) Port
A customer supplied switch located remotely can be used to close the EPO connection and allows the
UPS output receptacles to be switched off. Since the EPO shuts down the equipment immediately,
orderly shutdown procedures are not followed by any power management software. The UPS will have
to be manually restarted in order to regain power to the outlets on the UPS.
Keep Pin 1 and Pin 2 closed for UPS normal operation. To activate EPO function, cut the wire between
Pin 1 and Pin 2.
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
HARDWARE INSTALLATION GUIDE
Inspect the UPS upon receipt. The packaging is recyclable; keep it for reuse or dispose of properly.
Safety Information
Information presented here is vital to all personnel. Please read all Safety information.
Storage and Transportation
Please handle the UPS and associated equipment with extreme caution since a high amount of energy is
contained in the batteries. Always keep the unit in an upright position as marked on the packaging, and
never drop the unit.
Please adhere to the following instructions if the UPS is not installed immediately:
• Store the equipment as is in its original packing and shipping carton.
• Do not store in temperatures outside the range of -15°C to +25°C
• Ensure that the equipment is fully protected from wet or damp areas and from moist air.
In order to maintain the batteries, the UPS should be recharged every 6 months for at least 8 hours.
If flammable substances such as gases or fumes are present, or if the room is airtight, a hazardous
situation may exist in which no electrical equipment should be operated.
The instructions in this manual explain how to install the UPS safely. Not acknowledging such electrical
hazards may be fatal – keep this manual for future reference.
WARNING!
It is strongly recommended that the UPS cabinet not be opened as components have very
high voltage and touching those components may be fatal. Only a qualified technician or
authorized agent may service the unit.
The UPS unit’s output receptacles carry live voltage even when not connected to an input
voltage source. The UPS has its own internal energy source.
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
Remove the front panel
Environment
Ensure that all environmental concerns and requirements are met according to specifications listed in
this document, otherwise the safety of installation personnel cannot be guaranteed, and the unit may
malfunction.
Ensure that you remember the following when locating the UPS system and battery options:
• Avoid extremes of temperature and humidity. Maximum battery life can be attained with a
recommended temperature range of +15°C to +25°C.
• Provide protection for the equipment from moisture.
• Space and ventilation requirements must be met. Ensure there is 100mm behind and 50mm on
the sides of the UPS for proper ventilation.
• Ensure that the front of the UPS remains clear for user operation.
UPS Installation
Installation and wiring must be performed in accordance with the local electrical laws and regulations,
and performed by appropriate personnel.
For safety considerations, the UPS is shipped from the factory without connecting the battery wires.
Before installing the UPS, please follow these steps for connection of the battery wires.
Connecting the batteries
Step 1
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P90 USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
Connect the battery wires
Place the front cover back
Step 2
Step 3
on the front of the UPS
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