Toshiba UC1A1A020C6TB Installation manual

TOSHIBA
UNINTERRUPTIBLE POWER SYSTEM
SINGLE PHASE - 2.0/2.4 kVA PLUS
March,2003
Part#44730-002
MANUFACTURED IN THE U.S.A.
OPERATION MANUAL

TOSHIBA

TOSHIBA
The instructions contained in this manual are not intended to cover all of the details
or variations in equipment, nor to provide for every possible contingency
to be met in connection with installation, operation, or maintenance. Should further
information be desired or should particular problems arise which are not covered
sufficiently for the purchaser's purposes, the matter should be referred to the local
Toshiba sales office.
The contents of this instruction manual shall not become a part of or modify any
prior or existing agreement, commitment, or relationship. The sales contract
contains the entire obligation of Toshiba International Corporation's UPS Division.
The warranty contained in the contract between the parties is the sole warranty of
Toshiba International Corporation's UPS Division and any statements contained
herein do not create new warranties or modify the existing warranty.
Any electrical or mechanical modifications to this equipment,
without prior written consent of Toshiba International
Corporation, will void all warranties and may void UL listing
and/or CSA certification. Unauthorized modifications also
can result in personal injury, death, or destruction of the
equipment.
i
NOTE
If additional information or technical assistance is required call Toshiba's marketing
department toll free at [phone] or write to: Toshiba International Corporation,
13131 W. Little York Road, Houston, TX 77041-9990.
Please complete the following information for your records and to remain within this
equipmentmanual:
ModelNumber:
Serial Number:
Date of Installation:
Inspected By:
UNINTERRUPTIBLE POWER SUPPLY

TOSHIBA
CONTENTS
SECTION ............................................................................... PAGE
Disclaimer .................................................................................... i
Contents ................................................................................. ii-iii
Introduction ................................................................................... iv
General Safety Instructions ..................................................................... v
Important Safety Instructions ............................................................... vi-vii
1.0 Product Description ................................................................................1-1
1.1 Theory of Operation ........................................................................1-1
1.2 Application and Use ........................................................................1-1
1.3 Power Backup.................................................................................1-1
1.4 Power Conditioning.........................................................................1-1
2.0 Inspection/Storage/Disposal ..................................................................2-1
2.1 Inspection of the new UPS equipment............................................2-1
2.2 Storage of UPS equipment .............................................................2-1
2.3 Disposal ..................................................................................2-1
3.0 Precautions ..................................................................................3-1
3.1 Installation Precautions (General) ..................................................3-1
3.2 Prestart Precautions .......................................................................3-1
3.3 Operating Precautions ....................................................................3-2
4.0 Specifications ..................................................................................4-1
4.1 Standard Series Specifications .......................................................4-1
5.0 Operating the UPS ..................................................................................5-1
5.1 System Protection Features ............................................................5-1
5.2 Power Connections ........................................................................5-1
5.2.1 Power Connections for UC1Axxx...........................................5-1
5.2.2 Power Connections for UC1Gxxx ..........................................5-2
5.3 Terminal Block Details ....................................................................5-2
5.3.1 Terminal Block Details for UC1Axxx ......................................5-2
5.3.2 Terminal Block Details for UC1Gxxx ......................................5-3
ii

TOSHIBA
CONTENTS (Cont'd)
SECTION PAGE
5.0 Operating the UPS (cont'd) ..................................................................... 5-1
5.4 Operation Monitoring ......................................................................5-4
5.4.1 Visual Indicator Functions ......................................................5-4
5.4.2 Audible Alarm Functions ........................................................5-4
5.4.3 Visual and Audible Indicator Function Chart ..........................5-4
5.5 Front Panel Layout .........................................................................5-5
5.6 UPS Run Mode Display ..................................................................5-5
5.7 Battery Recharging .........................................................................5-6
5.8 Battery Backup Time....................................................................... 5-7
5.9 Battery Low Voltage Tolerances .....................................................5-7
5.10 Battery Check Function...................................................................5-7
5.11 System Reset..................................................................................5-7
6.0 UPS Control Interface .............................................................................6-1
6.1 Remote Contact and IBM AS/400...................................................6-1
6.2 RS-232C Communication Interface ................................................6-2
6.2.1 UPS Shutdown (via RS-232C)...............................................6-2
7.0 Troubleshooting Procedures..................................................................7-1
7.1 Non-Fatal Fault Mode .....................................................................7-1
7.2 Fatal Fault Mode .............................................................................7-2
8.0 Preventive Maintenance/Parts Replacement ........................................8-1
8.1 Preventive Maintenance .................................................................8-1
8.2 Parts Replacement .........................................................................8-1
9.0 External Dimensions/Shipping Weights/Panel Layout .........................9-1
9.1 External Dimensions for 2000 and 2400 VA Model ........................9-1
9.2 Panel Layout ..................................................................................9-2
9.3 Shipping Weights ...........................................................................9-2
9.4 Unpacking Instructions ...................................................................9-2
iii

TOSHIBA
iv
INTRODUCTION
Thank you for purchasing the 1400SE/1400SE Plus Series UPS. This Series features the very
latest state of the art microprocessor technology and also uses IGBT transistors for fast, high
power and low noise PWM (pulse width modulation) switching. Also, the Plus Series features a
low impedence output transformer to provide isolation even during bypass operation.
It is the intent of this manual to provide a guide for safely installing, operating, and maintaining
the UPS. This operation manual contains a section of general safety instructions and is marked
throughout with warning symbols. Read this operation manual thoroughly before installation
and operation of this electrical equipment.
All safety warnings must be followed to ensure personal safety.
Follow all precautions to attain proper equipment performance and longevity.
General safety instructions are found on page v and important safety
instructions are found on pages vi and vii. Read and save these instructions
for future reference.
The manual is divided into major sections of interest. Section 1 contains the product description
with the theory of operation and applications. All of the initial inspection, storage, installation,
operating, and prestart precautions can be found in Sections 2 and 3.
Section 4 contains the equipment standard specifications.
Section 5 outlines the operating modes, protective features, battery recharging, battery low
voltage tolerances, alarm and panel indicator functions.
Section 6 shows the control interface pin configurations.
Sections 7 and 8 are devoted to troubleshooting procedures, preventative maintenance
techniques and periodic parts replacement. A fuse rating chart is also shown.
Section 9 shows front, rear, and side panel layout views with dimensional data. Labels,
connector and switch placement, and shipping weights are also shown.
We hope that you find this operation manual informative and easy to use. If additional information
or technical assistance is needed, please call toll free [phone] or write to: Toshiba
International Corporation, 13131 W. Little York Road, Houston, TX 77041-9990.
Again thank you for the purchase of this product.
TOSHIBA INTERNATIONAL CORPORATION
© Copyright1994

TOSHIBA
v
GENERAL SAFETY INSTRUCTIONS
Warnings in this manual appear in any of four ways:
1) Danger - The danger symbol is a lightning bolt mark enclosed in a triangle which precedes
the 3/16" high letters spelling the word "DANGER". The danger symbol is used to indicate
imminently hazardous situations, locations, and conditions which, if not avoided, WILL
result in death, serious injury, and/or severe property damage.
2) Warning - The warning symbol is an exclamation mark enclosed in a triangle which
precedes the 3/16" high letters spelling the word "WARNING". The warning symbol is
used to indicate potentially hazardous situations and conditions which, if not avoided
COULD result in serious injury or death. Severe property damage COULD also occur.
3) Caution - The caution symbol is an exclamation mark enclosed in a triangle which
precedes the 3/16" high letters spelling the word "CAUTION". The caution symbol is used
to indicate potentially hazardous situations and conditions which, if not avoided may result
in injury. Equipment damage may also occur.
4) Attention warnings - The attention warning symbol is an exclamation mark enclosed in a
triangle which precedes the 3/16" high letters spelling the word "ATTENTION". The
Attention warning symbol is used to indicate situations and conditions that can cause
operator injury and/or equipment damage:
Other warning symbols may appear along with the Danger and Caution symbol and are used to specify
special hazards. These warnings describe particular areas where special care and/or procedures are
required in order to prevent serious injury and possible death:
1) Electrical warnings - The electrical warning symbol is an lighting bolt mark enclosed in
a triangle. The Electrical warning symbol is used to indicate high voltage locations and
conditions that may cause serious injury or death if the proper precautions are not
observed:
2) Explosion warnings - The explosion warning symbol is a explosion mark enclosed in
a triangle. The Explosion warning symbol is used to indicate locations and conditions
where molten, exploding parts may cause serious injury or death if the proper
precautions are not observed:
DANGER
WARNING
CAUTION
ATTENTION

TOSHIBA
DANGER
WARNING
IMPORTANT SAFETY INSTRUCTIONS
CAUTION
CAUTION
CAUTION
SAVE THESE INSTRUCTIONS-This manual contains important instructions
that should be followed during the installation and maintenance of the UPS and it's batteries. Use for
modelsUC1A1A020C6TB,UC1A1A024C6TB,UC1G2L024C6TB
- The maximum ambient temperature in which this UPS unit should be operated or stored is
104 deg F (40 deg C).
- The nominal battery voltage range is indicated in Section 5.9 on page 5-7.
- Servicing of the batteries should only be performed by a qualified Toshiba Representative who is
knowledgeable of batteries and the required precautions. Keep unauthorized personnel away from
batteries.
- When replacing batteries, use the same number and type of one of the following sealed, lead-acid
batteries:
Model Capacity Manufacturer Type Quantity
2000 and Panasonic LCV 12V6.5BP 8
2400 VA Panasonic LCV 12V7.2P 8
Yuasa NP7 - 12FR 8
Misuse of this equipment could result in human injury and equipment
damage. In no event will Toshiba Corporation be responsible or liable for
either indirect or consequential damage or injury that may result from the use of this equipment.
Do not dispose of the batteries in a fire. The batteries may explode.
Do not open or mutilate the batteries. Released electrolyte is harmful
to the eyes and skin and could also be toxic.
This unit contains sealed lead acid batteries. Lack of preventative
maintenancecould resultinbatteries explodingandemitting gassesand/or
flame. Annual preventative maintenance must be performed by an authorized, trained technician.
Failure to replace a battery before it becomes exhausted may cause the
case to crack, possibly releasing electrolytes from inside the battery, and
resulting in secondary faults such as odor, smoke, and fire.
Installation and servicing of batteries should be performed by personnel
knowledgeableofbatteriesandtherequiredprecautions. Keep
unauthorizedpersonnelawayfromthebatteries.
Proper maintenance to the battery system of this unit must be done by a
qualified service techincian, this is essential to the safety and reliability of
your UPS system. Refer to service manual.
A battery can present a risk of electrical shock and high short
circuit current. The following precautions should be observed when
working with batteries:
1) Verify that the UPS is off and that the power cord is disconnected from the power source.
2) Remove watches, rings or other metal objects.
3) Use tools with insulated handles to prevent inadvertent shorts.
4) Wear rubber gloves and boots.
WARNING
WARNING
vi
WARNING

TOSHIBA
vii
Model Capacity Manufacturer Type Quantity
2000 and Panasonic LCV 12V6.5BP 8
2400 VA Panasonic LCV 12V7.2P 8
Yuasa NP7 - 12FR 8
INSTRUCTIONS IMPORTANTES CONCERNANT
LA SÉCURITÉ
Cette notice contient des
instructionsimportantesconcernant
la sécurité.
Une battery peut présenter un risque de choc électrique, de brûlure par
transfert d' énergie.
Pour le remplacement, utiliser le même nombre de batteries du modéle
suivant.
CONSERVER CES INSTRUCTIONS
ATTENTION
ATTENTION
L' élimination des batteries est règlementèe. Consulter les codes locaux
à cet effet.
ATTENTION
© Copyright1994
IMPORTANT SAFETY INSTRUCTIONS
5) Do not lay tools or metal parts on top of batteries.
6) Determine if the battery is inadvertently grounded. If inadvertently grounded, remove
source of ground. Contact with any part of a grounded battery can result in
electrical shock. The likelihood of such shock will be reduced if such grounds are
removed during installation and maintenance.
7) Verify circuit polarities prior to making connections.
8) Disconnect charging source and load proir to connecting or diconnecting terminals.
9) VRLA batteries contain an explosive mixture of hydrogen gas. Do not smoke, cause a flame
or spark in the immediate area of the batteries. This includes static electricity from the body.
10) Do not attempt to open the batteries in order to add water or sample the specific gravity of
the electrolyte. The batteries are valve regulated lead acid type and such servicing is not
possible without damaging the battery.
11) Use proper lifting means when moving batteries and wear all appropriate safety clothing and
equipment.
12) Do not dispose of lead acid batteries except through channels in accordance with local, state
andfederalregulations.

TOSHIBA
1.0 Product Description
1.1 Theory of Operation
An uninterruptible power supply is a system that is installed between the commercial
power and the load equipment. It is used during short-term blackouts or brownouts. The
UPS provides steady ac output power during these commercial power interruptions.
This power is provided for a long enough time so that the load can be shutdown in an
orderly fashion. This prevents loss of data and possible damage to both hardware and
software.
During normal operation the UPS uses commercial ac power. In addition, it also takes
in all of the high voltage spikes and transients caused by switching and faults, and all
of the common mode and normal mode noise which is associated with commercial ac
power. The UPS converts it all to flat dc power. From this dc power, the UPS charges
its batteries and generates its own extremely high quality ac waveform output. The
result of this process is maximum power conditioning.
If the ac power supplied to the UPS drops below a specified voltage level, the unit's
batteries automatically begin supplying power instead of receiving it. This insures that
the loads connected to the UPS continue to receive power with no interruption. When
ac input power becomes available again, operation returns to normal. The unit's
batteries begin to recharge so they will be ready for the next power interruption.
1.2 Application and Use
Toshiba's 1400SE Plus Series of on-line uninterruptible power supply (UPS) systems
provide continuous computer-grade ac power in a compact, high performance, and energy
efficient unit. The UPS unit assures safe and reliable operation of critical office equipment.
This can range from word processors and personal computers to mini-computers and local
area networks. All units feature an audible alarm which sounds if the battery voltage drops
below standard during use. This is an additional aid to help in retaining the valuable office
data banks. All units allow for computer interfacing and an external battery pack option
(see specifications).
1.3 Power Backup
When an electrical power failure occurs, the UPS unit's internal maintenance-free batteries
automatically supply back-up power to the load without interruption. For example, when
used to support a computer, the UPS back-up assures enough additional time to complete
the activity and store data. This allows an orderly shutdown after a power failure has
occurred.
1.4 Power Conditioning
When commercial power is present, the UPS supplies conditioned power to the load
while maintaining its batteries in a charged condition. The UPS protects against the
normal everyday problems associated with heavy use of raw commercial ac power,
including power sags, surges, signal interference, and spikes. This protection keeps
power-line problems from reaching the loads where they can cause equipment to
operate erratically, hard-disk crashes, or cause damage to hardware and software.
1 - 1

TOSHIBA
2.0 Inspection/Storage/Disposal
2.1 Inspection of the new UPS equipment
Upon receipt of the UPS, a careful inspection for shipping damage should be made.
After Uncrating:
1) Check the unit for loose, broken, bent or otherwise damaged parts. If damage
has occurred during shipment, keep all original crating and packing materials
for return to shipping agent. Warranty will not apply to units which are damaged
duringshipment.
2) Check to see that the rated capacity and the model number specified on the
nameplate conform to the order specifications.
2.2 Storage of UPS equipment.
If the UPS equipment is to be subject to long or short term storage the following
guidelines should be used.
Avoid:
1) Storage in sites subject to extreme changes in temperature or high humidity.
2) Storage in sites subject to exposure of high levels of dust or metal particles
3) Storage on inclined floor surfaces or in sites subject to excessive vibration.
Before storing:
1) Charge the units batteries.
2) Place the STOP/RUN switch in the STOP position.
Storing:
1) Store within a temperature range of -20°to 40°C (-4°to 104°F).
2) For best results, store the UPS in the original shipping container and place on a
wood or metal pallet.
3) The optimum storage temperature is 21°C (70°F). Higher ambient
temperatures cause UPS batteries to need recharging more frequently.
After storing:
1) If stored in an ambient temperature under 20°C (68°F); recharge the batteries
every 9 months.
2) If stored in an ambient temperature of 20°to 30°C (68°to 86°F); recharge the
batteries every 6 months.
3) If stored in an ambient temperature of 30°to 40°C (86°to 104°F); recharge the
batteries every 3 months.
2.3 Disposal
Please contact your state environmental agency for details on disposal of electrical
components and packaging in your particular area.
It is illegal to dump lead-acid batteries in landfills or dispose of improperly.
Please help our Earth by contacting the environmental protection agencies in your area,
the battery manufacturer, or call Toshiba toll-free at [phone] for more information
aboutrecycling.
2 - 1

TOSHIBA
3 - 1
3.0 Precautions
3.1 Installation Precautions (General)
1) Install the unit in a well ventilated location; allow at least 10 cm (4 inches) on
all sides for air ventilation and for maintenance.
2) Install the unit in a stable, level, and upright position which is free of vibration.
3) Install the unit where the ambient temperature is within the correct operating
range (see Specifications Section 4.0).
4) Do not install the UPS in areas that are subject to high humidity.
5) Do not allow direct sunlight to shine on the unit.
6) Do not install the UPS in areas which are subject to contamination such as
high levels of airborne dust, metal particles, or inflammable gas.
7) Avoid installation near sources of electrical noise and always make sure that
the unit ground is intact to prevent electrical shock and to help reduce
electrical noise.
8) Do not install where water or any foreign object may get inside the UPS.
9) This UPS generates and can radiate radio-frequency energy during operation.
Although RFI noise filters are installed inside the unit there is no guarantee
that the UPS will not influence some sensitive devices which are operating
close by. If such interference is experienced, the UPS should be installed farther
away from the effected equipment and/or powered from a different source than
that of the affected equipment.
3.2 Prestart Precautions
1) Before connecting the UPS to a power source; move the operation switch
(STOP/RUN), on the front panel (See Section 9.1), to the STOP position.
CAUTION
CAUTION

TOSHIBA
CAUTION
3.0 Precautions
3.3 Operating Precautions
1) The UPS should not be powered up until the entire operation manual has
been reviewed.
2) The input power source voltage and frequency must be within the specified
ranges (See Specifications Section 4.1 through 4.3). Voltages and frequencies
outside of the permissible tolerance ranges may cause internal protection
devices to activate.
3) The UPS should not be used with a load whose rated input is greater than the
rated UPS output.
4) Do not use the UPS to provide power to motors that require high starting current
or a long starting time such as vacuum cleaners and machine tools (oversizing
for lock rotor current required).
5) Do not insert metal objects or combustible materials in the unit's ventilation slots.
6) Do not place, hang, or paste any objects on the top or on the exterior surfaces
of the UPS.
7) Always use caution when connecting or disconnecting load equipment.
The UPS may be supplying power to the output load receptacles
through the bypass circuit. This can occur when the STOP/RUN
switch is in the STOP position and the unit is connected to a source of
supply power.
3 - 2

TOSHIBA
4 - 1
4.0 Specifications
4.1 Plus Series Specifications
MODEL NUMBER UC1A1A020C6TB
CAPACITY 2000 VA (1.4 kW)
Input Input voltage Single phase, 120 Vac, +10% to -30% (*)
Input frequency 45 to 65 Hz
Input capacity 1920 VA
Input power factor Approximate unity (0.98 to 1.0)
Battery Battery rated voltage 96 Vdc
Battery backup time when fully charged 10 min. at full load (**)
with 0.7 power factor at77°F (25°C) 30 min. at half load (**)
Recharge time Maximum 24 hrs to 100% (90% recharge after 8 hrs) (***)
Type of batteries Sealed lead-acid
Output Output voltage Single-phase, 120 volts
Output voltage regulation Within +/- 3%, steady state
Output frequency 50/60 Hz +/- 0.5% in free-running mode (line sync range +/- 1Hz)
Output voltage waveform Computer-grade sine wave with less than 3.0% total harmonic
distortion with linear load
Rated load power factor 0.7 lagging (0.6 to 1.0)
Voltage transient characteristic +/- 5% under 100% load step change
Rated output current (rms) 16.7A
Maximum output current (peak) 50.0A
Inverter overload capacity 150% for 60 seconds
Crest factor 3.0
Environment Operating temperature 32 to 104°F (0 to 40°C), optimal at 77°F (25°C)
Storage temperature -4 to 104°F (-20 to 40°C)
Operating humidity 30 to 90%, no condensation
Altitude(****) Less than 3000 ft (1000 m) above sea level
External dimensions (2 KVA 120V) 10.00W x 25.50D x 22.50H (254W x 648D x 572Hmm)
Net weight 129 lb (58.6 kg)
Acoustical noise 45 dB at max. output, measured 3.3 ft (1 m) from front panel
Efficiency (ac-dc-ac) 85%
Switches Bypass switch Automatic bypass is provided when the run switch is in the off
position, if a fault occurs, or if an overload occurs (transfer time is
approximately 4 mS)
Interfaces IBM (TM) AS/400 Pins 5 through 9
LAN Manager Pins 2 and 3 DB9 male connector
Fault detect and input power loss Pins 1 and 4
RS232 ASCII Pins 1 through 8 DB9 female connector (Pin 9 not used)
Options Software for unattended
computer shutdown Contact Toshiba for details on this option
External battery pack Contact Toshiba for details on this option
(*) Output capacity reduced when input voltage is between -15% and -30% of nominal.
(**) Battery backup time may vary depending on the operating conditions and ambient temperature at the
installation site.
(***) An initial charge time of 24 hrs. is necessary to obtain proper battery performance level before unit is used
for battery backup.
(****) At 6000 ft (2000 m) above sea level, output capacity should be derated by 3%.

TOSHIBA
4 - 2
4.0 Specifications
4.1 Plus Series Specifications
MODEL NUMBER UC1A1A024C6TB
CAPACITY 2400 VA (1.68 kW)
Input Input voltage Single phase, 120 Vac, +10% to -30% (*)
Input frequency 45 to 65 Hz
Input capacity 2400 VA
Input power factor Approximate unity (0.98 to 1.0)
Battery Battery rated voltage 96 Vdc
Battery backup time when fully charged 7 min. at full load (**)
with 0.7 power factor at77°F (25°C) 21 min. at half load (**)
Recharge time Maximum 24 hrs to 100% (90% recharge after 8 hrs) (***)
Type of batteries Sealed lead-acid
Output Output voltage Single-phase, 120 volts
Output voltage regulation Within +/- 3%, steady state
Output frequency 50/60 Hz +/- 0.5% in free-running mode (line sync range +/- 1Hz)
Output voltage waveform Computer-grade sine wave with less than 3.0% total harmonic
distortion with linear load
Rated load power factor 0.7 lagging (0.6 to 1.0)
Voltage transient characteristic +/- 5% under 100% load step change
Rated output current (rms) 20.0A
Maximum output current (peak) 60.0A
Inverter overload capacity 150% for 60 seconds
Crest factor 3.0
Environment Operating temperature 32 to 104°F (0 to 40°C), optimal at 77°F (25°C)
Storage temperature -4 to 104°F (-20 to 40°C)
Operating humidity 30 to 90%, no condensation
Altitude(****) Less than 3000 ft (1000 m) above sea level
External dimensions (2.4 KVA 120V) 10.00W x 25.50D x 22.50H (254W x 648D x 572Hmm)
Net weight 129 lb (58.6 kg)
Acoustical noise 45 dB at max. output, measured 3.3 ft (1 m) from front panel
Efficiency (ac-dc-ac) 85%
Switches Bypass switch Automatic bypass is provided when the run switch is in the off
position, if a fault occurs, or if an overload occurs (transfer time is
approximately 4 mS)
Interfaces IBM (TM) AS/400 Pins 5 through 9
LAN Manager Pins 2 and 3 DB9 male connector
Fault detect and input power loss Pins 1 and 4
RS232 ASCII Pins 1 through 8 DB9 female connector (Pin 9 not used)
Options Software for unattended
computer shutdown Contact Toshiba for details on this option
External battery pack Contact Toshiba for details on this option
(*) Output capacity reduced when input voltage is between -15% and -30% of nominal.
(**) Battery backup time may vary depending on the operating conditions and ambient temperature at the
installation site.
(***) An initial charge time of 24 hrs. is necessary to obtain proper battery performance level before unit is used
for battery backup.
(****) At 6000 ft (2000 m) above sea level, output capacity should be derated by 3%.

TOSHIBA
4 - 3
4.0 Specifications
MODEL NUMBER UC1G2L024C6TB
CAPACITY 2400 VA (1.68 kW)
Input Input voltage Single phase, 208/240 Vac, +10% to -30% (*)
Input frequency 45 to 65 Hz
Input capacity 2400 VA
Input power factor Approximate unity (0.98 to 1.0)
Battery Battery rated voltage 96 Vdc
Battery backup time when fully charged 7 min. at full load (**)
with 0.7 power factor at77°F (25°C) 30 min. at half load (**)
Recharge time Maximum 24 hrs to 100% (90% recharge after 8 hrs) (***)
Type of batteries Sealed lead-acid
Output Output voltage Single-phase, 240/208/120 volts
Output voltage regulation Within +/- 3%, steady state
Output frequency 50/60 Hz +/- 0.5% in free-running mode (line sync range +/- 1Hz)
Output voltage waveform Computer-grade sine wave with less than 3.0% total harmonic
distortion with linear load
Rated load power factor 0.7 lagging (0.6 to 1.0)
Voltage transient characteristic +/- 5% under 100% load step change
Rated output current (rms) 10.0A
Maximum output current (peak) 30.0A
Inverter overload capacity 150% for 60 seconds
Crest factor 3.0
Environment Operating temperature 32 to 104°F (0 to 40°C), optimal at 77°F (25°C)
Storage temperature -4 to 104°F (-20 to 40°C)
Operating humidity 30 to 90%, no condensation
Altitude(****) Less than 3000 ft (1000 m) above sea level
External dim.s (2.4KVA 208/240V) 10.00W x 25.50D x 22.50H (254W x 648D x 572Hmm)
Net weight 150 lb (68.2 kg)
Acoustical noise 45 dB at max. output, measured 3.3 ft (1 m) from front panel
Efficiency (ac-dc-ac) 85%
Switches Bypass switch Automatic bypass is provided when the run switch is in the off
position, if a fault occurs, or if an overload occurs (transfer time is
approximately 4 mS)
Interfaces IBM (TM) AS/400 Pins 5 through 9
LAN Manager Pins 2 and 3 DB9 male connector
Fault detect and input power loss Pins 1 and 4
RS232 ASCII Pins 1 through 8 DB9 female connector (Pin 9 not used)
Options Software for unattended
computer shutdown Contact Toshiba for details on this option
External battery pack Contact Toshiba for details on this option
(*) Output capacity reduced when input voltage is between -15% and -30% of nominal.
(**) Battery backup time may vary depending on the operating conditions and ambient temperature at the
installation site.
(***) An initial charge time of 24 hrs. is necessary to obtain proper battery performance level before unit is used
for battery backup.
(****) At 6000 ft (2000 m) above sea level, output capacity should be derated by 3%.
4.1 Plus Series Specifications (Cont'd)

TOSHIBA
5 - 1
Rectifier/
charger/
chopper
Inverter Output
Input
Abnormal Overcurrent
Low Battery
Level
Input
ISOLATION
OUTPUT XFMR
+
_Batteries
Bypass
FUSE
5.0 UPS Connections
5.1 System Protection Features
The schematic shown below depicts the electrical locations of the protection devices
on the 2000 and 2400 VA UPS models.
Output
Overheating Current Limit
Overload
Overvoltage/
Undervoltage
Power flow
5.2 Power Connections
5.2.1 UPS model number UC1A1A020C6TB, UC1A1A024C6TB
The following illustration details the wiring connections from the power distribution
panel (not part of the UPS) to UPS model number UC1G2L024C6TB. The available
UPS output voltages are shown in the table.
UPS Output Voltages
5
4
6
G
1L1
2L2
(120V)
Source Power
Distribution
Panel
Main UPS Unit
H1A-N
Terminal
Outputvoltage
120 Vac
N
3G
MCCB
H2
H1
H1A

TOSHIBA
5.0 UPS Connections (Cont'd)
5.2 Power Connections (Cont'd)
5.2.2 UPS model number UC1G2L024C6TB
The following illustration details the wiring connections from the power panel (not
part of the UPS) to the UPS unit and the available input voltage selection jumper
setting. The available UPS output voltages are shown in the table.
UPS Output Voltages
6
7
4
8
N
G
5
1L1
2L2
208/240 V
Source Power
Distribution
Panel
Main UPS Unit
H1A-H2A
H1A-N,H3-N
H1A-H3
Terminal
Outputvoltage
240 Vac
208 Vac
120 Vac
H2A
H1A
3G
MCCB
Low(208V)
High(240V)
11
12
13
Inputvoltage
selection
(factory setting: low)
H2
H1
H3
5 - 2
5.3 Terminal Block Details
5.3.1 UPS model numbers UC1A1A020C6TB and UC1A1A024C6TB
The following illustration is a detail of the UPS unit's terminal block (see Section
9.1 for terminal block location).
12345678
H2 H1 G H1A N EPO1 EPO2
Ground Ground
120 Vac
inputcables from
distributionpanel
120V
G
Remote EPO
Switch
Rated at
125Vac 2A
ac output cables
toloads

TOSHIBA
1 2 3 4 5 6 7 8 11 12 13 14 15
H2 H1 G H3 H2A N H1A G LOW COM HIGH EPO1 EPO2
Ground Ground 208V 240V
208/240 Vac
inputcables from
distributionpanel
Remote
EPO switch
Rated @ 125Vac, 2
Amp
Jumper
selection
See note 1 & 2
ac output cables to loads
120V120V
240V
208V
5.0 UPS Connections (Cont'd)
5.3 Terminal Block details (Cont'd)
5.3.2 UPS model numbers UC1G2L024C6TB
The following illustration is a detail of the UPS unit's terminal block (see Section
9.1 for terminal block location).
Notes:
1) If ac input power is 208 Vac rated, terminals 11 and 12 must be shorted by a jumper
wire. Do not jumper terminal 13 to either 12 or 11.
Factory setting is 208 Vac.
2) If ac input power is 240 Vac rated, terminals 12 and 13 must be shorted by a jumper
wire. Do not jumper terminal 11 to either 12 or 13.
5 - 3

TOSHIBA
5.0 Operating the UPS
5.4 Operation Monitoring
5.4.1 Visual Indicator Functions
The following LED (light emitting diode) indicators are located on the front panel
(see Section 9.2 "Panel Layout"). Refer to these lamps for visual information
about the operating condition of the UPS (see Section 5.4.3 "Visual and Audible
Indicator Function Chart").
1) AC LINE: This green LED lights when normal ac input power is being
supplied to the UPS unit.
2) INVERTER: This green LED lights when the inverter output voltage is normal.
3) FAULT: This red LED lights when an abnormal operating condition is
detected. Operation of the unit's inverter is inhibited until the fault has been
corrected and the system reset (see Section 5.11 "System Reset").
5.4.2 Audible Alarm Functions
The UPS is equipped with an audible alarm system which activates under various
operating conditions. Sound patterns are used to indicate these conditions (see
Section 5.4.3 "Visual and Audible Indicator Function Chart"). Alarms for the
battery backup mode or low battery voltage will stop automatically when AC input
voltage is restored. Alarms for a fault condition will continue to sound until the
UPS has been reset (see Section 5.11 "System Reset").
5.4.3 Visual and Audible Indicator Function Chart
5 - 4
Overcurrent (OC) Problem in chopper or 1) "Fault" LED 1) Auto
inverter circuit. is ON transfer
2) "Inverter" to bypass
DC Bus Overvoltage (DCOV) Vout > 115% of rated. LED is OFF 2) Chopper
3) "AC Line" stopped
Ouput Overvoltage (OV) Vout > 110% of rated. LED is ON 3) Inverter
stopped
Undervoltage (UV) Vout < 85% of rated.
Overheat (OH) Heatsink exceeds 90º C.
Overload (OL) Output current and over-
load specifications have
been exceeded.
Battery problem Problem in battery
circuit.
Normal battery backup Loss of AC power 1) "Fault" LED 1) Chopper
operation is OFF running
2) "Inverter" 2) Inverter
LED is ON running
3) "AC Line"
LED is OFF
Low battery voltage Battery voltage too low.
(voltage less than 90%)
Condition Cause Visual
Indicators
ON
OFF
.5s .5s
2s 1.5s
ON
OFF
UPS
Operation
70s 5s
ON
OFF
1s 2s
ON
OFF
1s .5s
ON
OFF
Audible
Alarm
Pattern