socomec ITYS 10 kVA, ITYS 20 kVA, ITYS 10LB kVA, ITYS 20LB kVA Installation And Operating Manual

ITYS

10-20 kVA

安装及操作手册

CN

Installations- und bedienungsanleitung

DE

Installation and operating manual

EN

Manual de instalación y uso

ES

Manuel d’installation et d’utilisation

FR

Manuale di installazione e uso

IT

2

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

This SOCOMEC appliance is guaranteed against manufacturing and material defects for a period of 12 months from the date of
purchase (local warranty conditions are applicable in addition to the general conditions). This warranty certificate should NOT be
e-mailed, but kept by the customer along with proof of purchase, for use in the event of a claim being made for repairs or repla­cement under warranty.

The warranty period commences on the date the new product was purchased by the end user at an authorised showroom (refe­rence details are shown on the receipt).

Return-to-base warranty is provided: components and labour for repairs supplied free of charge, any products to be replaced must
be returned to SOCOMEC or authorised service centres, at the customer’s own risk and expense.

The warranty valid throughout national territory. If the UPS is exported abroad, the warranty shall be limited to the cover of the
parts used to repair the fault.

To claim service under the warranty please observe the following:

• The product must be returned in the original packing. Any damage caused during shipping in packaging other than the original
will not be covered by the warranty;

• The product must be accompanied by proof of purchase such as an invoice or receipt indicating the date of purchase and product
ID information (model, serial number). The sender must also attach the reference number issued to authorise the return of the
product, together with a detailed description of the defect. If any of this information is missing the warranty will be invalid. The
authorisation number is issued by service centres over the telephone on receiving information on the malfunction in question;

• If it is not possible to provide proof of purchase the serial number and date of manufacture will be used to calculate the probable
expiry date of the warranty; this could result in a reduction of the original warranty period.

The warranty on the product does not cover damage caused by carelessness (improper use: wrong input power, explosions,
excessive humidity, temperature, poor ventilation, etc.), tampering or any unauthorised repair work.

During the warranty period, SOCOMEC reserves the right to decide whether the product should be repaired, or whether to replace
defective parts with new parts, or used parts that are equivalent to new parts in terms of functionality and performance.

In the case of batteries, warranty is valid only if the battery has been recharged regularly in accordance with the manufacturer’s
instructions. On purchasing the product it is advisable to check that the next recharge date indicated on the packaging has not
expired.

Battery

• Batteries are treated as consumable parts and warranty only covers manufacturing defects.

• Batteries must be stored in compliance with Supplier recommendations.

• Warranty is valid only if the battery has been recharged regularly in accordance with the manufacturer’s instructions. On purchasing
the product it is advisable to check that the next recharge date indicated on the packaging has not expired.

Optionals

A 12-month return-to-base warranty is provided on optionals.

Software products

Software products are guaranteed for 90 days. The software is guaranteed to work as indicated in the manual accompanying
the product. Hardware media or accessories (e.g. diskettes, cables, etc.) used with appliances are guaranteed free of material or
manufacturing defects under normal conditions of use for a period of 12 months from the date of purchase.

SOCOMEC will not be responsible for damages (including loss of income, interruption of business activity, loss of information or
other financial losses of any nature) arising from the use of the product.

These conditions are subject to Italian law. Disputes shall come under the jurisdiction of the Court of Vicenza.

WARRANTY CERTIFICATE AND CONDITIONS

SOCOMEC retains the full and exclusive ownership rights over this document. Only a personal entitlement to use the document for
the application indicated by SOCOMEC is granted to the recipient of the document. The reproduction, modification, distribution of
this document either partially or completely and in any way are expressly prohibited except upon Socomec’s express prior written
consent.

This document is not a specification. SOCOMEC reserves the right to make any changes to information without prior notice.

3

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

TABLE OF CONTENTS

ENGLISH

1. SAFETY STANDARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1. DESCRIPTION OF SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2. BACKFEED PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2. INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1. SHIPPING AND MOVING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.2. ENVIRONMENTAL REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3. NOTES FOR INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3. ELECTRICAL REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4. REAR VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5. CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5.1. OPERATION IN HIGH EFFICIENCY MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.2. OPERATION IN CONVERTER MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6. MIMIC PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

7. OPERATING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

7.1. SWITCHING THE ITYS ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

7.2. SWITCHING THE ITYS OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

7.3. OPERATING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

7.4. MENU TREE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

8. COMMUNICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

8.1. RS232 INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

8.2. USB INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

8.3. INTELLIGENT SLOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

8.4. AUX SLOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

9. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

10. TECHNICAL SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

1. SAFETY STANDARDS

• This document describes the procedures for the installation, maintenance, technical specifications and safe use of this SOCOMEC
unit. For further information visit the SOCOMEC website www.socomec.com.

Any work carried out on the equipment must be performed by qualified technicians authorised by SOCOMEC.

Failure to observe safety standards could result in fatal accidents or serious injury, and damage equipment or the
environment.

Read the user manual before performing any operations.
Keep this manual safe for future reference.

Connect the PE ground conductor first before making any other connections.

WARNING!

RISK OF ELECTRIC SHOCK!

After the unit is disconnected from the mains power supply components inside the UPS are still connected to the
battery, which are potentially dangerous.

• Do not expose the unit to rain or liquids in general. Do not insert foreign bodies.

• Do not block ventilation.

• Do not connect any kind of equipment to the UPS output which may overload it.

• Place cables in such a way that no one can step on or trip over them.

• The UPS must be connected to earth and the battery cabinet must be connected to the same earth as the UPS.

• An integral single emergency switching device which prevents further supply to the load by the UPS in any mode of operation
should be provided in the building wiring installation.

• An appropriate disconnection device such as short-circuit backup protection should be provided in the building wiring installation.

• For three-phase equipment connection to an IT power system, a four-pole device which disconnects all phase conductors and
the neutral conductor should be provided in the building wiring installation.

• High electrical voltages are generated inside the power system, which is dangerous for maintenance personnel not suitably
qualified or trained for such work.

• Do not interfere with the disconnection switches on the unit while the UPS is operating.

• Before carring out any operations ensure the UPS has been shut down completely and disconnected.

There is no insulation between the batteries and the mains supply therefore it is extremely dangerous to touch any
part of the accumulator battery.

Do not interfere with the disconnecting switches on the unit while the UPS is operating on battery power.

• Batteries must only be replaced with batteries recommended or sold by the manufacturer. Batteries must only be replaced by
qualified technicians.

• The batteries are toxic waste. If they are replaced send used batteries to local specialist disposal companies only.

• If the unit needs to be disposed of it should only be entrusted to a specialist waste disposal company.

The product you have chosen is designed for commercial and industrial use only.

Products may have to be adapted for particular critical applications such as life support systems, medical applications, commercial
transportation, nuclear facilities or any other application or systems where product failure is likely to cause substantial harm to
people or property.

For such use it is advisable to contact SOCOMEC beforehand to confirm the ability of these products to meet the required level of
safety, performance, reliability and compliance with applicable laws, regulations and specifications.

5

ENGLISH

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

1. SAFETY STANDARDS

1.1. DESCRIPTION OF SYMBOLS

Accumulators are heavy! Use suitable transport and
lifting equipment to work safely.

Connecting accumulators in series creates hazar­dous voltages.

The electrolyte corrodes metals and burns the skin
and all parts of the human body.

WARNING!
Risk of explosion! Avoid short circuits!
Never place tools or metal objects on the accumula­tors.

Batteries and related parts contain lead.
Lead is dangerous to health if ingested.
Wash hands after handling!

Wear safety goggles and suitable clothing.

Read the user instructions carefully.
Read the user manual before performing any opera­tions.

Wear protective gloves and clothing.

Ground terminal.

In the event of contact with the eyes, wash imme­diately with plenty water and call a doctor. Call a
doctor immediately in the event of accidents or
illness.

The unit MUST be handled by at least two people.

1.2. BACKFEED PROTECTION

If the UPS does not have an automatic protection device against current backfeed, the operator/installer must:

- attach

warning labels to all the mains power disconnection switches installed at a distance from the UPS area; this serves to remind

technicians of the fact that the circuit is connected to a UPS.

ISOLATE THE UPS BEFORE

OPERATING ON THIS CIRCUIT

B

L

Q1

T1

L1

Output/L

Output/N

Backfeed
terminal

AUX Mains T.B

Mains T.B

L2

L3

N

F

N

B

Q

T

F

Legend
B Coil
F 2A slow blow fuse
Q Magneto-thermal input main switch
Q1 Magneto-thermal input aux main switch
T 30 A AC1 remote contactor 4-pole; 230 V coil
T 1 90 A AC1 remote contactor 2-pole; 230 V coil

External distribution panel

UPS

B

L

Q1

T1

L1

Output/L

Output/N

Backfeed
terminal

AUX Mains T.B

Mains T.B

N

F

N

B

Q

T

F

Legend
B Coil
F 2A slow blow fuse
Q Magneto-thermal input main switch
Q1 Magneto-thermal input aux main switch
T 30 A AC1 remote contactor 4-pole; 230 V coil
T 1 90 A AC1 remote contactor 2-pole; 230 V coil

External distribution panel

UPS

- install an external isolating device as shown in the figure.

6

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

2. INSTALLATION

2.1. SHIPPING AND MOVING

• The packaging guarantees the stability of the unit during shipping and physical transfer.

• The unit must remain in a vertical position during all shipping and moving operations.

• Ensure that the fl oor is strong enough to support the weight of the unit.

• Carry the packaged unit as close as possible to the installation site.

WARNING! HEAVY WEIGHT!
Move the unit using a forklift truck taking the utmost care at all times.

The unit MUST be handled by at least two people.

Do not move the unit by putting pressure on the front door.

When moving the unit on even slightly sloping surfaces, use the locking equipment and braking devices to ensure
that the unit does not fall over.

WARN

ING!

RISK OF ELECT

RIC SHOCK!

When the equipment is transferred from a cold to a warm place wait approx. two hours after unpacking before
Installing the unit and putting it into operation.

CAUTION IF DAMAGED.
If the unit is found to be damaged externally or internally, or any of the accessories are damaged or missing,
contact SOCOMEC.

All packaging material must be recycled in compliance with the laws in force in the country where the system is
installed.

2.2. ENVIRONMENTAL REQUIREMENTS

Install the unit in a technical room to which only skilled technicians have access. The room must be:

• of a suitable size;

• clean and dry;

• free from infl ammable items;

• maintained at a temperature between 0 and 40 °C.

The unit is not designed for outdoor use. Do not expose the unit to direct sunlight.

See TECHNICAL SPECIFICATIONS.

7

ENGLISH

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

2.3-1

2.3. NOTES FOR INSTALLATION

Ensure the air vents on the front and rear of the UPS are not blocked. Allow at least 0.5 m of space on each side.

Once the installation is completed, the side mounting brackets (used in shipping) shall be fixed back to ensure the stability of the UPS
enclosure. If this is not possible, additional stability can be added by anchoring the assembly brackets to the floor with M8 bolts.

386 mm

8 mm diamete

r

(4 places)

320 mm

2. INSTALLATION

8

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

3. ELECTRICAL REQUIREMENTS

The installation and system must comply with national plant regulations. The electrical distribution panel must have a protection
and sectioning system installed for the input mains and auxiliary mains. If a differential switch is installed on the mains power switch
(optional) it must be inserted upstream from the distribution panel.

The table below shows the size of the input protection devices recommended for correct installation.

Size of input protection devices

Model rating

Magneto-thermal

Input

Magneto-thermal

Aux. Mains

Differential input

Input mains cable

core size

Input mains fuse

Aux mains

cable core size

Output

cable core size

Battery cable

core size

Protective Earthing

conductor

Battery protection

Torque for fixing

above terminals

(kVA) (A) (A) (A) (mm2) (mm2) (mm2) (mm2) (mm2) (A) Lb in

single single selective type min max min max min max min max max

10

1/1

63 A

250 VAC

63 A

250 VAC

0.5 A 10 13

30 A

250 VAC

10 13 10 13 10 13 13 50 10

10

3/1

40 A

250 VAC

63 A

250 VAC

0.5 A 2.5 4

30 A

250 VAC

10 13 10 13 10 13 13 50 10

20

1/1

100 A

250 VAC

100 A

250 VAC

0.5 A 21 25

50 A

690 VAC

21 25 21 25 21 25 25 100 18

20

3/1

60 A

250 VAC

100 A

250 VAC

0.5 A 6 10

50 A

690 VAC

21 25 21 25 21 25 25 100 18

9

ENGLISH

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

4. REAR VIEW

AUX slot

Neutral switch cover

Manual bypass

Input and output
terminal board

ITYS 10 kVA

RS232 serial connector USB serial port

Slot for optional
communication boards

Fans

Input breakers

Backfeed cover

EPO (Emergency Power Off)

10

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

4. REAR VIEW

Fans Fans

ITYS 20 kVA

Slot for optional
communication boards

Neutral switch cover

Manual bypass

Input and output
terminal board

RS232 serial connector USB serial port

AUX slot

Input breakers

Backfeed cover

EPO (Emergency Power Off)

11

ENGLISH

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

5. CONNECTIONS

The installation and the system must comply with national plant regulations. If a di erential switch is installed on the mains power
switch (optional) it must be inserted upstream from the distribution panel.

CAUTION!
Use selective differentials. Any current dispersed by the loads will be summed to that of the UPS. The differential
protection must be regulated in cases of loads with high current dispersion.

NA N L + - NL

L3 NL1 L2 LN LN JP1 JP2

MAINS

MAINS

AUX MAINS

AUX MAINS

OUTPUT

OUTPUT

UPS

Mains Output

ø UPS ø

(mm²) (mm²)

≥ 10 10 kVA ≥ 10
≥ 21 20 kVA ≥ 21

5-2

5-1

5-4

ITYS B model

5-3

L3NL1 L2 L N L N JP1 JP2 + -

MAINS

MAINS

AUX MAINS

AUX MAINS

OUTPUT

OUTPUT

BATTERY

BATTERY

5-4

ITYS LB model

12

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

5. CONNECTIONS

5.1. OPERATION IN HIGH EFFICIENCY MODE

The UPS has a selectable, programmable economy operating mode that can increase overall efficiency by up to 98% for energy
saving purposes. With this mode of operation, specific daily or weekly time intervals can be selected and programmed to power
the applications directly from the auxiliary mains. If there is a power cut the UPS will automatically switch onto the inverter and
continue to supply power to the load by drawing energy from the battery.

This mode does not provide perfect stability in frequency and voltage like the ON LINE mode. Thus the use of this mode should
be carefully evaluated according to the level of protection required by the application.

5.2. OPERATION IN CONVERTER MODE

In converter mode the UPS can supply a fully stabilised sinusoidal output voltage with a different frequency from the input power
line (50Hz or 60Hz is available as output frequency value).

IMPORTANT!
Only set this mode on UPS units with the mains power (MAINS) and auxiliary mains (AUX MAINS) separate, and with
the auxiliary mains (AUX MAINS) disconnected!
Do not set this mode on UPS units with common mains lines as it could damage the load!

All cables must be securely connected.

L3 NL1 L2 LN LN JP1 JP2 + -

5-7

5-8

UPS input UPS input

External distribution panel

L1

N

Q

L1

L2

L3

N

Q1

5-5

Sigle phase connection

5-6

Three phase connection

External distribution panel

13

ENGLISH

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

6. MIMIC PANEL

Normal mode

(green)

Fault (red)

Battery
(yellow)

Bypass mode

(yellow)

ON/OFF

Up/Exit

1

Enter

Down

Bypass

Inverter

Input

Battery status

Output Load

Output load

Alert icon

1. Press for 1 second

14

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

7. OPERATING MODES

7.1. SWITCHING THE ITYS ON

7.2. SWITCHING THE ITYS OFF

7.1-3

5 sec

7.1-4 7.1-5

7.2-2

7.2-1

5 sec

7.2-6

7.2-5

Wait for complete shutdown.

7.1-1

7.1-2

7.2-4

7.2-3

15

ENGLISH

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

7.3. OPERATING MODES

7.3-1

Line mode

7.3-3

UPS OFF

7.3-6

Manual Bypass

7.3-2

Battery mode

7.3-4

HE mode

7.3-5

Converter Mode

7. OPERATING MODES

7.4. MENU TREE

FIRST LEVEL SECOND LEVEL THIRD LEVEL

UPS STATUS

EVENT LOG OUTPUT OVERLOAD

UTILITY ABNORMAL

OVER CHARGER

MEASUREMENTS OUTPUT

TEMPERATURE

DC BUS

BATTERY

BYPASS INPUT

LINE INPUT

CONTROL BUZZER MUTE Buzzer Mute: no

SINGLE UPS BATTERY TEST Status: battery test OK

Schedule battery test: no

CLEAR EPO STATUS Status EPO active

Clear: no

RESET FAULT STATUS Status: Fault active

Reset fault: no

CLEAR EVENT LOG Total events: 30

Clear event log: no

RESTORE FACTORY SETTINGS Reset: no

16

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

7. OPERATING MODES

FIRST LEVEL SECOND LEVEL THIRD LEVEL

IDENTIFICATION TYPE/MODEL

SERIAL NUMBER

UPS FIRMWARE

SETTINGS USER PASSWORD enabled/disabled

AUDIO ALARM enabled/disabled

OUTPUT VOLTAGE 208/220/230/240 V

OUTPUT FREQUENCY autosensing 50/60 Hz

POWER STRATEGY normal/high e ciency/ converter

DC START enabled/disabled

AUTOMATIC BATTERY TEST PERIOD 0 to 31days

AUTO RESTART enabled/disabled

AUTOMATIC OVERLOAD RESTART enabled/disabled

AUTO BYPASS enabled/disabled

SHORT CIRCUIT CLEARANCE enabled/disabled

BYPASS VOLTAGE LOW LIMIT 110 to 215 V

BYPASS VOLTAGE HIGH LIMIT 245 to 276 V

BYPASS FREQUENCY LOW LIMIT 1 to 10 %

BYPASS FREQUENCY HIGH LIMIT 1 to 10 %

HE VOLTAGE LOW LIMIT 1 to 10 %

HE VOLTAGE HIGH LIMIT 1 to 10 %

HE FREQUENCY LOW LIMIT 1 to 10 %

HE FREQUENCY HIGH LIMIT 1 to 10 %

EXTERNAL BATTERY MODULE 0-4

SET RUNNING TIME Day:hour:minute:second

0000:0000:00~9999:23:59:59

LCD CONTRAST -5 to +5

17

ENGLISH

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

8. COMMUNICATION

Communication software and accessories are available for monitoring UPS status, with the aim of optimising normal operation
and ensuring that shutdown at the end of backup time is managed correctly. Applications allow recording of all power outages
and any depletion of battery power so as to enable the activation of an automatic procedure for closing programs in an ordered
sequence and shutting down the system.

ITYS no-break systems are equipped with an RS232 serial communication interface and slots for NetVision cards.

8.1. RS232 INTERFACE

Communication with the server can take place directly via the RS232 interface.

In addition to local or networked shutdown it is possible to perform full monitoring of the electrical parameters regarding battery
status and the automatic programming of UPS start-up and shutdown procedures.

For a complete description of software features refer to the UniVision and UniVision Pro documentation.

8.2. USB INTERFACE

The UPS can communicate with the server direct by way of the USB interface, if available on the computer operating system,
without the need to install any additional software. Once connected, recognition of the UPS occurs in the same way as for any other
peripheral, and the operating parameters can be managed by way of the OS service menu. Use the connecting cable provided.

8.3. INTELLIGENT SLOT

This UPS series is equipped with intelligent slot for Net Vision (optional accessory) or other optional card to remotely manage the
UPS through internet / intranet. Please contact your local distributor for further information.

8.4. AUX SLOT

This UPS series is equipped with auxiliary slot for dry contact interface. Optional card (available for insertion in the slot) which is
able to handle isolated contact signals to remote relay UPS status information.

Please contact your local distributor for details.

18

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

If the UPS system does not operate correctly use the table below to try and solve the problem.

Please have the following information at hand before calling the After-Sales Service Department:

• Model number, serial number

• Date on which the problem occurred

• LCD display status, alarm buzzer status

• Utility power condition, load type and capacity, ambient temperature, ventilation conditions

• The information (battery capacity, quantity) of external battery pack if the UPS is an S model

• Other information for a complete description of the problem

IMPORTANT!
If problems persist or recur frequently after following the instructions in this chapter call the technical service
centre providing a full description of the problem.

Alert code Problem Possible cause Solution

Warning 11 Battery Disconnected Battery pack is not connected

correctly

Do the battery test to confirm.

Check the battery bank is connected to the UPS.

Check the battery breaker is turned on.

Warning 12 Battery low Battery voltage is low When alarm sounds every second battery is

almost empty.

Warning 14 Over Charge Battery is over charged The UPS will turn off the charger until the battery

voltage is normal

Warning 15 Charger Failure Charging fails Consult dealer

Fault 21 Bus Over Voltage UPS internal fault Consult dealer.

Fault 22 Bus Under Voltage UPS internal fault Consult dealer.

Fault 23 Bus Unbalance UPS internal fault Consult dealer.

Fault 24 Bus short UPS internal fault Consult dealer.

Fault 25 Bus Softstart Fail UPS internal fault Consult dealer.

Fault 31 Output Short Circuit Output short circuit Remove all the loads. Turn off the UPS.

Check if UPS output and loads have short­circuited.
Ensure short circuit is removed before turning on
again.

Fault 32 Inv Over Voltage UPS internal fault Consult dealer.

Fault 33 Inv Under Voltage UPS internal fault Consult dealer.

Fault 34 Inv Softstart Fail UPS internal fault Consult dealer.

Warning 41 Output Overload Overload Check the loads and remove some non-critical

loads.

Check if some loads have failed.

Fault 42 Inv Overload Fault Overload Check the loads and remove some non-critical

loads.
Check if some loads have failed.

Fault 43 Byp Overload Fault Overload Check the loads and remove some non-critical

loads.
Check if some loads have failed.

Warning 71 Epo Active EPO connector is open Check the EPO connector status

Warning 72 On Maintain Bypass Maintain bypass switch is

open

Check the maintain bypass switch status

Fault 81 Heatsink Over Temperature

Fault

Internal UPS temperature too
high

Make sure the UPS is not overloaded; the air vents
are not blocked and the ambient temperature is
not too high. Wait for 10 minutes for the UPS to
cool down before turning on again. If fails, please
contact the distributor or service centre.

Warning 84 Fan Failure Fan abnormal Check the fan is running normally.

9. TROUBLESHOOTING

19

ENGLISH

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

10. TROUBLESHOOTING

Alert code Problem Possible cause Solution

Warning 86 Heatsink Over Temperature Internal UPS temperature of

UPS too high

Check the ventilation of the UPS and ambient
temperature.

Warning 92 Model Pin Error UPS internal fault Consult dealer.

Fault 93 Backfeeder UPS internal fault Don’t touch any terminal of equipment which

connects utility power with the UPS even if you
cut off the utility power. Please consult dealer.

Fault E1 Negative Power Fault

The load is pure inductive and
capacitive

Remove some non-critical loads.
Bypass supplies the load fi rst, ensure there is no
overload, then turn on UPS.

Other - No indication, no warning

tone even though system is
connected to mains power
supply

No input voltage Check the building wiring and input cable.

Check if the input breaker is closed.

Other -

BYPASS LED lights up even
though the power supply is
available

Inverter not switched on Press On-Switch 'I' to turn on UPS.

Other - BATTERY LED lights up,

and alarm sounds every 4
seconds

Input voltage and/or
frequency are out of tolerance

Check input power source.
Check the building wiring and input cable.
Check if the input breaker is closed.

Other - Emergency supply period

shorter than nominal value

Batteries not fully charged /
battery defect

Charge the batteries for at least 12 hours and
then check capacity.

20

ITYS 10-20 kVA - Ref.: IOMITYTWXX0C-GB 00

10. TECHNICAL SPECIFICATION

Models

KVA 10 10 (LB) 20 20 (LB)

Nominal Power

VA/W

10000/9000 20000/18000

Input/Output phases 3/1 or 1/1

Electrical Specifications - Input

Mains voltage (Vin) Vin (110-276) VAC (Depends on Load Level) 3Ph+1N+PE,

Bypass input Voltage(Vin) Vbp 220 V 1Ph+N

Input frequency Hz 50-60 Hz ±10%

Input power factor > 0.99 (@Full load)

THDI < 5% with full load

Electrical Specifications - Output

Output Voltage V 208/220/230/240 V

(If output voltage is set at 200 V output power will derate to 90% of power rating)

Output Current A 45/48.1/45.5/43.5/41.7 90/96.2/90.9/87.0/83.3

Frequrency Hz 50-60 ±10% in normal mode

50-60 ±0.1% in battery mode

Overload –
Normal Mode
(@ 25°C)

10 m
1 m
10 s
100 ms

kW

105% to 110%
110% to 130%
130% to 150%

> 150%

Voltage distortion <5% Non Linear Load; <2% Linear Load

Electrical Specifications - Battery

Type

Sealed lead acid maintenance free-expected lifetime 3-5 years

Voltage

V 280

BUT

2

min 12 - 12 -

Charger

A-4-4

Environment

Operating temperature °C 0 to 45

1

Relative humidity % 0 to 95 No Condensing

Max. altitude m < 1000 without derating

Acoustic noise dBA 55 at front 1 m

Standards

Safety EN 62040-1

EMC EN 62040-2 C3

Product Certification CE

Protection Level IP20

Mechanical Characteristics

Dimensions (W x D x H) mm 350 x 650 x 890

Weight kg 48 128 58 188

1. 15-25 °C for longer battery lifetime.

2. Back-up time @75 % of rated load (models with internal batteries) PF 0.7

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*IOMITYTWXX0C-GB 00*

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