Emerson 6 kVA User manual

Liebert® ITA 6kVA UPS
Inatallation & Commissioning Manual
Version
Revision date
BOM
V1.0
December 7, 2010
31012296
Emerson Network Power provides customers with technical support. Users may contact
the nearest Emerson local sales office or service center.
Copyright © 2010 by Emerson Network Power Co., Ltd.
All rights reserved. The contents in this document are subject to change without notice.
Emerson Network Power Co., Ltd.
Address: No.1 Kefa Rd., Science & Industry Park, Nanshan District 518057, Shenzhen
China
Homepage: www.emersonnetworkpower.com.cn
E-mail: support@emersonnetwork.com.cn
Safety Precautions
To ensure smooth installation and operation, please read this manual carefully before installing and operating
the Liebert® ITA 6kVA UPS (UPS for short). For detailed product information, refer to the Liebert® ITA 6kVA UPS
User Manual in the VCD delivered with the product.
The UPS must be installed and commissioned by engineers designated by the manufacturer or its agent. Failure
to observe this could result in personnel safety risk, UPS malfunction and invalidation of warranty.
The UPS has been designed for commercial and industrial use only, and is not recommended for use in life
support applications.
This is a Class A UPS product. In a residential environment, this product may cause radio interference, in which
case, the user may be required to take additional measures to reduce the interference.
Note
Non-authorized personnel are prohibited from installing or commissioning the Liebert® ITA 6kVA UPS.
Earth Connection
Warning
Earth connection is essential before connecting the input and output cables. This equipment must be earthed in accordance
with the local electrical regulations.
Maintainable Components
Warning
All internal maintenance and servicing procedures of the equipment should be carried out only by trained personnel with
tools. Components (including the components behind the protective cover) which can only be removed by using a tool are
restricted to service personnel.
The UPS meets the safety requirements completely in operator access area. Only service personnel can touch the
hazardous voltage components inside the UPS and battery module. However, the risk of touching these voltages is
minimized as the components with hazardous voltage may be touched only uses a tool to remove the protective cover. No
risk will exist if you follow the general norms and in accordance with the procedures recommended in this manual on
equipment operation.
Battery High Voltage
Warning
Tools or keys must be used for all batteries maintenance, which should be carried out by trained personnel.
Battery use requires special care. After the battery is connected, the battery terminal will output DC high voltage, and
physical contact would be fatal.
Battery manufacturer provides the precautions to be observed when working on the battery string. These precautions
should be followed implicitly at all times. Particular attention should be paid to the recommendations concerning local
environmental conditions and the provision of protective clothing, first aid and fire-fighting facilities.
Contents
Chapter 1 Product Introduction ........................................................................................................................................... 1
1.1 Appearance .......................................................................................................................................................... 1
1.2 Specification ......................................................................................................................................................... 1
Chapter 2 Single UPS Installation And Commissioning ...................................................................................................... 2
2.1 Installation Preparation ......................................................................................................................................... 2
2.2 Mechanical Installation.......................................................................................................................................... 2
2.2.1 Tower Installation ...................................................................................................................................... 2
2.2.2 Rack Installation ........................................................................................................................................ 4
2.3 Connecting Power Cables .................................................................................................................................... 6
2.3.1 Connecting I/O Cables............................................................................................................................... 7
2.3.2 Connecting Battery Cables ........................................................................................................................ 9
2.3.3 Connecting External 10A Charger Cables ............................................................................................... 11
2.4 Single UPS Commissioning ................................................................................................................................ 12
2.4.1 Check Before Startup .............................................................................................................................. 12
2.4.2 Single UPS Parameters Setting............................................................................................................... 12
2.4.3 Normal Mode Startup............................................................................................................................... 16
2.4.4 Battery Mode Startup............................................................................................................................... 17
Chapter 3 Parallel UPS Installation And Commissioning .................................................................................................. 18
3.1 Mechanical Installation........................................................................................................................................ 18
3.2 Connecting Power Cables .................................................................................................................................. 18
3.2.1 Connecting I/O Cables............................................................................................................................. 18
3.2.2 Connecting Parallel Cables ..................................................................................................................... 19
3.3 Parallel System Commissioning.......................................................................................................................... 20
3.3.1 Check Before Startup .............................................................................................................................. 20
3.3.2 Startup Commissioning For Parallel System ........................................................................................... 20
Chapter 4 Communication................................................................................................................................................. 22
4.1 Connecting USB Communication Cable ............................................................................................................. 22
4.2 Installing Communication Devices (Optional) ..................................................................................................... 22
Chapter 5 Troubleshooting................................................................................................................................................ 23
Chapter 1 Product Introduction
1
Chapter 1 Product Introduction
Liebert® ITA 6kVA UPS (UPS for short) is an intelligent online UPS system with sine wave output developed by
Emerson Network Power Co., Ltd. The UPS offers reliable and high quality AC power to the precision instrument.
The UPS adopts modular design, and rack/tower installation can be used depending on your requirements. It is
applicable to supplying AC power to small scale computer center, network, communication system, automatic control
system and precision instrument.
1.1 Appearance
The front panel of the UPS is shown in Figure 1-1.
Display panel
Figure 1-1
Ventilation hole
Front panel of the UPS
The rear panel of the UPS is shown in Figure 1-2.
Parallel port (with
protective cover)
DIP switch (with
protective cover) Input MCB
Battery port
+
戢⏴㆏␂
䟄㻯䵾♲
Input switch
230/400Vac-40A
Battery port
192Vdc 27A
PE
USB port
Intelligent card slot
(with protective cover)
I/O terminal block
Control port of 10A charger
(with protective cover)
Ventilation hole
Figure 1-2
Rear panel of the UPS
Note
Non-authorized personnel are prohibited from opening the UPS chassis cover.
1.2 Specification
As shown in Table 1-1, two models are available: standard model and long-time delaying model.
Table 1-1
Product specification
Type
Dimension (W × H × D, mm)
Weight (net weight/gross weight)
Model
UHA1R-0060/
01200456
435 × 88 × 630
17kg/20.5kg
Standard UPS
UHA1R-0060L/
01200461
435 × 88 × 630
18kg/21.5kg
Long-time delaying UPS
Liebert® ITA 6kVA UPS User Manual
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Chapter 2 Single UPS Installation And Commissioning
Chapter 2 Single UPS Installation And Commissioning
This chapter introduces the single UPS installation, power cable connection and commissioning.
2.1 Installation Preparation
Installation environment
z Well-ventilated; far away from water, heat source, flammables and explosive substances.
z Avoid direct sunlight.
z Free of dust, volatile gas, corrosive materials and excessive salt.
If necessary, an indoor exhaust fan should be installed to keep the indoor temperature from rising. An air filter should
be used where the UPS is to operate in a dusty environment.
Installation clearances
The internal fans provide forced air cooling for the UPS. The hot air will be exhausted through the ventilation holes of
the UPS rear panel. Therefore, do not obstruct the ventilation holes.
Maintain at least 200mm clearances between the UPS and the wall or adjacent equipment, so as not to obstruct the
UPS ventilation and heat dissipation. Otherwise, the UPS internal temperature will rise, which will shorten the UPS
life.
Installation tools
z Cross head screwdriver (EJ5100mm): Remove the screws of the UPS top plate, or open the chassis.
z Slotted screwdriver (EJ375mm): Connect input and output cables.
z Diagonal plier (MTC3C): Make input and output cables.
z Wire-pressure plier (YT-12): Press wires for I/O terminal block.
Unpacking inspection
After the UPS arrival, you should unpack it and check the following items:
1. Visually inspect the UPS appearance for transportation damage. If any problem is found, please notify the carrier
immediately.
2. Check the accessories and models against the delivery list.
2.2 Mechanical Installation
Two installation modes are available: tower installation and rack installation. You can select an appropriate installation
mode according to the actual conditions.
2.2.1 Tower Installation
1. Adjust the display panel.
Note
1. For the tower installation, you need to adjust the display panel; for the rack installation, ignore this step.
2. When adjusting the display panel, there is no need to open the chassis of the UPS.
1) Take off the fixing screws (2 pcs), and hold the left side of the display panel to pull it out.
2) Turn the display panel 90° counter clockwise, and then put it to its original place.
3) Tighten the fixing screws.
Taking the rack installation for example, when switching from rack installation to tower installation, adjust the display
panel as the following procedures shown in Figure 2-1.
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
Take off the two fixing
screws of the display
panel
Fixing screw (2 pcs)
Turn the display
panel 90r counter
clockwise
A
90r
A amplified
Tighten the two fixing screws
of the display panel
Figure 2-1
Adjusting the display panel
2. Install the plastic panel.
1) Take out the plastic panel from the package of the UPS.
2) Align the plastic panel with the display panel of the UPS, and press the metal buckles at both sides of the plastic
panel into the square holes on the front panel of the UPS according to the arrow direction, as shown in Figure 2-2.
Square hole
Display panel
Plastic panel
Figure 2-2
Installing the plastic panel
Note
You do not need to remove UPS when removing the plastic panel. Press the two ends of the plastic panel by hands, and gently
pull the plastic panel outwards to remove it.
3. Take out the support bases from the accessories, assemble a pair of support bases through fastenings, as shown
in Figure 2-3, and put them onto the flat installation table.
Figure 2-3
Installing the support base
4. If the battery module is necessary, take out the support base extensions delivered with the battery module, and
then assemble the support base extensions and the support bases through fastenings, as shown in Figure 2-4.
Liebert® ITA 6kVA UPS User Manual
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4
Chapter 2 Single UPS Installation And Commissioning
Support base extension
Support base
Fastening
Figure 2-4
Connecting the support base with support base extension
5. Place the UPS and the battery module (if necessary) on the support bases and support base extensions. Each
UPS needs two pairs of support bases to install, as shown in Figure 2-5.
UPS
Battery
module
UPS
Support
base
Support
base
Figure 2-5
Installing the UPS and the battery module
2.2.2 Rack Installation
Installation procedures for UPS
1. Install the plastic panel, refer to 2.2.1 Tower Installation for the method.
2. Take out the brackets and eight M4 × 10 screws from the accessories. Through the installation hole 1, use M4 × 10
screws to fix the two brackets respectively on both sides of the UPS front panel, as shown in Figure 2-6.
Installation hole 1
UPS
Installation
hole 2
Screw
(8 pcs)
Bracket amplified
Bracket (2 pcs)
Figure 2-6
Installing brackets
Note
Moving the UPS through brackets is prohibited.
3. Install the guide rails.
You need to use guide rails when selecting Liebert® ITA series UPS and its options, and the rack installation.
The installation procedures of the guide rails are as follows:
1) Take out the guide rails (one left guide rail and one right guide rail), guide rail screws and panel screws from the
package, distinguish the left and right guide rail according to Figure 2-7, and confirm its retractable function
respectively.
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
5
Installation
hole (6 pcs)
Right guide rail
Left guide rail
Figure 2-7
Guide rail
Distinguish the guide rail screw and panel screw according to Figure 2-8.
Guide rail screw
Figure 2-8
Panel screw
Appearance of screw
2) Adjust the guide rail length according to the rack dimensions.
3) Align the installation holes of the guide rail with the square holes of the rack, fix the guide rail to the rack through
the guide rail screws (a total of eight), each left and right guide rail needs four guide rail screws, as shown in
Figure 2-9.
Guide rail screw (4 pcs)
Guide rail
Guide rail holder
Square hole
Figure 2-9
Installing guide rail
Note
1. The guide rail holder must be close to the front of the rack.
2. Each guide rail has six installation holes (as shown in Figure 2-7), do not use the two installation holes in the middle when fixing
the guide rail. It is recommended to use the top and bottom installation holes (from top to bottom, installation hole 1 and
installation hole 6).
The guide rail installation is finished, as shown in Figure 2-10.
Figure 2-10
Guide rail installation complete
Liebert® ITA 6kVA UPS User Manual
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Chapter 2 Single UPS Installation And Commissioning
4. Place the UPS on the guide rails in the rack, and push it completely into the rack. Use four M6 × 16 screws to fix
the UPS in the rack through the installation hole 2, as shown in Figure 2-11.
UPS
Rack
Screw
(4 pcs)
Installation
hole (4 pcs)
Figure 2-11
Installing UPS
Installation procedures for UPS with battery modules
The installation method of the battery module is the same as that of the UPS. Repeat the preceding procedures to
install and fix the battery module and UPS into the rack one by one, as shown in Figure 2-12.
As the battery module is heavy, pay attention to the following items in installation:
z Install the battery modules first, start the installation from the bottom, and then place the UPS onto the top, as
shown in Figure 2-12.
z Moving the UPS and battery modules through brackets is prohibited.
z Two persons or more are required for the installation.
UPS
Battery
module
Figure 2-12
Installation of UPS with battery module
2.3 Connecting Power Cables
I/O cables, battery cables and external 10A charger cable (optional) are required for connection. When connecting
the cables, you should follow the local wiring regulations, take the environment situation into account, and refer to
Table 3B of IEC60950-1.
The max. current in different operating modes is listed in Table 2-1, and the recommended min. cable CSAs for users
are listed in Table 2-2. Select appropriate cables according to Table 2-1 and Table 2-2.
Table 2-1
Max. steady state AC and DC current
Rated current (A)
1 2
Model
Mains input current , upon battery
charging with max. ability
2
Gross output current at full load
Battery discharging current upon
min. battery voltage
220V
230V
220V
230V
6kVA
(1-in 1-out)
31
31
27
26
38
6kVA
(3-in 1-out)
13
13
27
26
38
Note:
When selecting the battery cables, according to the current value shown in table, the max. allowable voltage drop is 4Vdc. Do not
ring the cables to avoid increasing the electromagnetic interference (EMI).
1: The mains current input of the rectifier and bypass.
2: Non-linear load (switch power) affects the neutral cable design of output and bypass. The neutral cable current may exceed
the rated phase current, in general, 1.732 times as large as the rated current
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
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2
Single UPS cable CSA (unit: mm , ambient temperautre: 25°C᧥
Table 2-2
Model
Input
Output
Neutral line
PE
Battery
6kVA (1-in 1-out)
6
6
6
6
6
6kVA (3-in 3-out)
6
6
6
6
6
The recommended capability of the UPS I/O MCB is listed in Table 2-3, select appropriate I/O MCB according to your
requirements.
Table 2-3
UPS I/O MCB selection
Model
Input interface
Recommended capability
of input external MCB
Battery MCB
Output interface
Recommended capability
of output external MCB
6kVA
(1-in 1-out)
Terminal block
63A
DC63A
Terminal block
40A
6kVA
(3-in 1-out)
Terminal block
63A
DC63A
Terminal block
40A
Note
1. The UPS is high leakage current equipment, it is not recommended to configure the MCB with leakage current protection
function.
2. To ensure the reliable connection, the pipe type connection terminal (accessory of the UPS) is required for all cable
connections.
2.3.1 Connecting I/O Cables
Notes
1. Do not reverse the input neutral line and live line!
2. Do not use a wall socket to feed power to the UPS. Otherwise, the socket may be burned.
3. Connect the output neutral line, live line and ground line correctly and reliably. For the sake of safety, the output
ground line must be connected before the output neutral line and live line.
4. Install a three-pole or quadrupole linkage breaker on the mains input neutral line and live line to facilitate cutting
power in emergency. Adopt correct power distribution method (see Figure 2-13) to ensure safety of the UPS and
loads.
U
V
W
Input neutral line
N
Output live line
Input live line
U
P
S
Output
neutral line
Load
Three-pole or quadrupole
linkage breaker
E
Figure 2-13
Correct power distribution method
The power cables of the UPS should be connected through the I/O terminal block located on the UPS rear panel.
Remove the protective cover of the I/O terminal block, you will see layout of the I/O terminal block shown in
Figure 2-14
Liebert® ITA 6kVA UPS User Manual
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Chapter 2 Single UPS Installation And Commissioning
Input neutral line terminal
Input live line terminal (U)
Input live line terminal (V)
Output neutral line terminal
Output live line terminal
Output ground line terminal
Input ground line terminal
Input live line terminal (W)
Input live line terminal (U1)
Figure 2-14
Terminals layout of the I/O terminal block
Power distribution mode
According to the user’s requirements, the I/O cable connections are divided into two types: 1-in 1-out (default) and
3-in 1-out.
The connection procedures of the preceding two types are described in the following.
z 1-in 1-out (default)
1. Make sure that all the external I/O MCBs of the UPS are open.
2. Remove the protective cover of the I/O terminal block.
3. Connect the mains input N line, L line and PE line respectively to the input neutral line terminal, input live line
terminal (U), input ground line terminal of the UPS I/O terminal block, and tighten the fixing screws. Short the input
live line terminal (V), input live line terminal (W) and input live line terminal (U1) using the shorting line (label: W01),
as shown in Figure 2-15.
4. Connect the output L line, N line and PE line respectively to the output live line terminal, output neutral line terminal
and output ground line terminal of the UPS I/O terminal block, and tighten the fixing screws, as shown in Figure 2-15.
5. Restore the protective cover of the I/O terminal block.
Shorting wire (label: W01)
Intellislot
Paralleled address
+
Input switch
230/400Vac-40A
Battery port
192Vdc 27A
PE
Control port
PE PE L N
N L
Input
Figure 2-15
Output
Cable connection for 1-in 1-out
z 3-in 1-out
Warning
The default power distribution mode of this UPS is 1-in 1-out. If 3-in 1-out is needed, you should switch from 1-in 1-out to 3-in
1-out according to the following steps, and then continue the installation and commissioning.
1. Remove the shorting line (label: W01, see Figure 2-15) from the I/O terminal block of UPS.
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
9
2. Connect the mains input live line (phase A, phase B and phase C), N line and PE line respectively to the input live
line terminal (U), input live line terminal (V), input live line terminal (W), input neutral line terminal and input ground
line terminal of the UPS I/O terminal block. The input live line terminal (U1) is not connected, as shown in
Figure 2-16.
3. Connect the output L line, N line and PE line respectively to the output live line terminal, output neutral line terminal
and output ground line terminal of the UPS I/O terminal block, as shown in Figure 2-16.
Intellislot
Paralleled address
+
Battery port
192Vdc 27A
Input switch
230/400Vac-40A
PE
Control port
Figure 2-16
N A B C
PE PE L N
Input
Output
Cable connection for 3-in 1-out
2.3.2 Connecting Battery Cables
External battery module connection principle diagram of the power distribution by user
The default battery number of UPS is 16-cell. The principle diagram is shown in Figure 2-17.
Warning
he DC battery MCB must be added between the battery string and UPS.
Battery module
First cell
᧧
Second cell
᧧
Third cell
Sixteenth cell
᧧
Bat ᧧
ಹಹ
᧩
᧩
᧩
᧩
UPS
Bat Figure 2-17
Battery module connection principle diagram
Notes
Before connecting the battery cable, check that:
1. The battery string comprises batteries of the same manufacturer, same model, and same use state.
2. The battery number complies with the UPS specifications, that is, sixteen 12V batteries are connected in series.
3. Confirm with a voltmeter that the battery string voltage is about 200Vdc after the series connection.
Note
1. Non-authorized personels are prohibited from connecting the battery cable.
2. It is prohibited to reverse the positive pole and negative pole of the battery.
3. Different UPSs cannot use the same battery module. Otherwise, the UPS will be damaged.
4. The length of the battery cable configured with standard UPS is 0.5m, and that of the long-time delaying UPS is 1.5m. It cannot
be extended unlimitedly ( 3m).
5. Shut down the UPS before replacing the battery and connecting the battery cable.
Battery cable connection for standard UPS
Standard UPS provides a battery cable A, which is used to connect the battery module with the UPS, as shown in
Figure 2-18.
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
Red
Black
Yellow
Figure 2-18
Battery cable A
The connection procedures are as follows:
1. Make sure that all the external I/O MCBs of the UPS are open.
2. Confirm with a voltmeter that no DC voltage is present on the battery ports shown in Figure 1-2 on the rear panel of
the UPS.
3. Take out the battery cable A from the UPS accessories, connect the red, black and yellow terminal of one end of
the battery cable A to the corresponding terminal of the battery port located on the rear panel of the UPS, and
connect the other end of the battery cable A to one of the battery ports of the battery module, as shown in
Figure 2-19.
Intellislot
Paralleled address
Input switch
230/400Vac-40A
+
Battery port
192Vdc 27A
PE
UPS
Control port
Battery module
10
Figure 2-19
Battery cable connection for standard UPS
Battery cable connection for long-time delaying UPS (battery cabinet is used)
Long-time delaying UPS provides a battery cable B, which has a PP45 plug on one end, and three OT terminals on
the other end, as shown in Figure 2-20. It is used to connect the battery cabinet to the UPS.
Figure 2-20
Battery cable B
The connection procedures are as follows:
1. Disconnect the input MCB of the external battery cabinet.
2. Connect the red line and black line of the OT terminals to the positive pole and the negative pole of the battery
input MCB respectively, and connect the yellow line to the PE terminal of the battery cabinet.
Note
If the OT terminal does not match the connection terminals of the battery input MCB, cut the OT terminals and peel the battery
cable B to an appropriate length of the copper core and then connect it to the battery input MCB.
3. Use the user-prepared red line and black line to connect the positive pole and the negative pole of the battery input
MCB to the positive pole and the negative pole of the battery string respectively.
4. Insert the PP45 plug into the battery port on the rear panel of the UPS, as shown in Figure 2-21.
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
Intellislot
Paralleled address
Input switch
230/400Vac-40A
11
+
Battery port
192Vdc 27A
PE
UPS
Control port
+
Battery
input
MCB
+
-
Battery
cabinet
PE
Figure 2-21
Battery cable connection for long-time delaying UPS
2.3.3 Connecting External 10A Charger Cables
The external 10A charger is optional; its cable connection procedures are as follows:
1. Take out the external 10A charger cable (DB9) from its package, remove the protective cover of the control port on
the rear panel of the external 10A charger (see Figure 2-22), and insert one end of the cable into the control port.
2. Remove the protective cover of the control port on the rear panel of the UPS, and insert the other end of the cable
into the control port of 10A charger, as shown in Figure 2-22.
Control port
External
10A
charger
Intellislot
Paralleled address
Input s witc h
230/400Vac-40A
+
Battery port
192Vdc 27A
PE
UPS
Control port
Control port of 10A charger
Figure 2-22
External 10A charger cable connection
3. Use a screwdriver to tighten the fixing screws of the cable ports.
Note
1. Refer to UF-BCH192/10 Charger Module User Manual for other connections between the external 10A charger and the UPS.
2. After removing the protective cover of the control port, please take care of the protective cover. When the control port is not
used, restore the protective cover to its orginal place to avoid electric shock.
After the cable connection, find the label shown in Figure 2-23 on the enclosure of the UPS and click “෭ ” after “AC
INPUT” according to the actual situation for easy maintenance.
Liebert® ITA 6kVA UPS User Manual
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Chapter 2 Single UPS Installation And Commissioning
Figure 2-23
Label
2.4 Single UPS Commissioning
2.4.1 Check Before Startup
1. Check and confirm that the power distribution mode of the main UPS is correct; that the connections of the power
cables and signal cables are correct and there is no short circuit.
2. Check and confirm that the battery installation and cable connection are correct and battery polarity is correct.
3. Measure and confirm that the mains voltage and frequency are normal.
4. The output terminals of the UPS are energized upon power-on. If the load is connected with the output terminals,
make sure that the power to the load is safe.
2.4.2 Single UPS Parameters Setting
Parameters setting of the standard LED display panel
There are LED indicators and functional keys on the LED display panel, as shown in Figure 2-24.
8: Battery indicator
9: Inverter indicator
7: Mains indicator
6: Fault indicaor
10: Bypass indicator
3
2
1
5
4
ON/SILENCE key OFF key
Figure 2-24
LED display panel
The ten indicators can be divided into two groups according to the applications.
1. UPS state indicators: Including fault indicator (red), mains indicator (green), battery indicator (green), inverter
indicator (green) and bypass indicator (green).
2. UPS load battery capacity and fault orientation indicator: Including five indicators, of which four indictors are green
and one indicator is yellow. The yellow indicator indicates the UPS load over-capacity or battery capacity too-low. The
UPS load battery capacity and fault orientation indicator is used to indicate the load capacity of the UPS. In Battery
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
13
mode, it indicates the battery capacity. Upon UPS failure, it works with the UPS state indicators to indicate the fault
type of the UPS. The details are described in Table 2-4.
Table 2-4
Indicators combining to indicate the fault type of the UPS
Indicator No. (see Figure 2-24)
Operation state
Normal
mode
1
2
3
4
5% ~ 25% load capacity
Ⴠ
26% ~ 50% load capacity
Ⴠ
Ⴠ
51% ~ 75% load capacity
Ⴠ
Ⴠ
Ⴠ
76%~ 95% load capacity
Ⴠ
Ⴠ
Ⴠ
Ⴠ
96% ~ 105% load capacity
Ⴠ
Ⴠ
Ⴠ
Ⴠ
> 105% load capacity
Ⴠ
Ⴠ
Ⴠ
Ⴠ
8
9
10
Alarm
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
…2Hz
Ⴠ
Ⴠ
…1Hz
Ⴠ
Ⴠ
Ⴠ
…1/3Hz
Ⴠ
Ⴠ
Ⴠ
Ⴠ
…1/3Hz
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
…1/3Hz
Ⴠ
Ⴠ
…1/3Hz
Ⴠ
51% ~ 75% battery capacity
76% ~ 95% battery capacity
Inverter
standby
7
Ⴠ
26% ~ 50% battery capacity
Bypass
mode
6
Ⴠ
0% ~ 25% battery capacity
Battery
mode
5
> 96% battery capacity
Ⴠ
Ⴠ
Ⴠ
Ⴠ
< 105% load capacity
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴠ
Ⴠ
> 105% load capacity
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
< 105% load capacity
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴠ
f
Ⴠ
> 105% load capacity
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
Ⴠ
f
Ⴠ
…2Hz
…2Hz
Ⴟ
Non-operation mode
f
Short fault
f
Charger failure
f
Fan/over-temperature fault
f
Parallel current sharing failure
‘
Ⴠ
Ⴠ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
‘
Ⴠ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
‘
Ⴠ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
‘
Ⴠ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
‘
Ⴟ
f
Ⴟ
Ⴟ
Rectifier failure (bus voltage abnormal)
f
Battery fault (high voltage)
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Battery fault (no battery, reverse connection)
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴠ
Ⴟ
f
Ⴟ
Ⴟ
‘
Other failures (auxiliary power supply failure and
inverter failure)
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
Ⴠ
Ⴟ
Ⴟ
Ⴟ
Ⴟ
‘
Note:
Ⴜ : off; Ⴠ : on; f: flashes; Ⴟ : ensures according to the current operation mode of the UPS; ‘: alarm lasting; …: alarm; when the
UPS is in normal mode, the mains indicator and inverter indicator are on
1. Output voltage level setting
The UPS can set the level of the output voltage (220V and 230V are optional), and the default value is 220V. It is
prohibited to set by yourself, if the setting needs to be changed, please contact the agents.
2. Other settings
Set other parameters through Sitemonitor software. Refer to the Sitemonitor guideline attached in the VCD for its
installation and usage. The settable parameters are listed in Table 2-5.
Table 2-5
Settable parameters
Parameter
Description
Default
Self-test cycle
Set the self-test cycle of the battery
Disabled
ECO function
Set whether ECO function is enabled
Enabled
EOD startup
Set whether startup is automatic
Enabled
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Chapter 2 Single UPS Installation And Commissioning
Parameters setting of the optional LCD display panel
There are LED indicators, LED display screen and functional keys on the LCD display panel, as shown in
Figure 2-25.
Mains indicator
Battery indicator
Inverter indicator
Fault indicator
Bypass indicator
LCD display screen
ON/SILENCE
key
ENTER key
OFF key
Figure 2-25
NEXT key
LCD display panel
The descriptions of the functional keys are listed in Table 2-6.
Table 2-6
Descriptions of the functional keys
Keys
Description
ON/SILENCE
key
1. Starting inverter: When the inverter is off, pressing and holding this key for one second starts the inverter.
2. Silencing alarm: When the UPS has an audible alarm, pressing and holding this key for one second silences
the alarm.
3. Initiating battery self-test: When the UPS is in normal mode, pressing and holding this key for four seconds
initiates battery self-test
OFFkey
1. Turning off inverter: When the UPS is in normal mode or battery mode, pressing and holding this key for one
second turns off the inverter, then the UPS turns to the bypass mode.
2. UPS accessing to standby state: When the UPS is in bypass mode, pressing and holding this key for ten
seconds turns off the UPS bypass output, then the UPS accesses to standby state
NEXT key
Pressing and holding this key for less than one second shifts between menu items on the same level and
selects parameters. Pressing and holding this key for more than one second turns on/turns off the backlight on
the LCD display screen
ENTER key
Pressing and holding this key for less than one second opens the selected menu. Pressing and holding this key
for more than one second returns to previous menu
The interfaces of the LCD display screen include power-on interface and menu interface.
1. Power-on interface
The power-on interface displays the UPS series, product type and company name for about 20 seconds, as shown in
Figure 2-26.
LIEBERT ITA
6KVA UPS
EMERSON NETWORK
POWER CO.,LTD.
Figure 2-26
Power-on interface
2. Menu interface
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
The menu interface includes running interface, alarm message interface and setting interface, the main menu
interface is shown in Figure 2-27.
RUNNING
ALARM MESSAGE
SETTING
Figure 2-27
Main menu interface
You can enter the corresponding interfaces through the functional keys on the LCD display panel. The structure
diagrams of each level menu are shown in Figure 2-28; the interfaces are refreshed every other second.
Phase-A
Input voltage
Input
Input frequency
(No display when
input is single-phase)
Phase-C (No display when
input is single-phase)
Phase-B
Output voltage
Output current
Output frequency
Output
Active power
Running
Apparent output
Load factor
Battery voltage
Battery
Bypass
Battery capacity
Bypass voltage
Return
Running menu
EODStartup
Ensabled Default
Disabled
System
Ensabled
ECO function
Disabled Default
220
Output voltage
Default
230
240
Disabled Default
3-month
Self-test cycle
Setting
6-month
9-month
12-month
Installation
mode
LCD
Horizontal Default
vertical
Chinese Default
Language
English
Resume default Have resumed default
Return
Setting menu
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16
Chapter 2 Single UPS Installation And Commissioning
Module
communication fault
Parallel address
conflict
Current sharing
fault
Parallel line fault
Input neutral line in
disconnected
Auxiliary supply
failure
Fan fault
Over-temperature
for radiator
Charger failure
Output short
Output overload
Battery fault
Battery
discharge end
Abnormal bypass
Abnormal input
Abnormal bus
voltage
Rectifier failure
Inverter failure
Inverter asynchrony
Alarm message
Alarm message menu
Figure 2-28
Structure diagram of the menu interface
The parameters of the single UPS can be set through the LCD display panel; the parameters are listed in Table 2-7.
Table 2-7
Setting parameter of the single UPS
Parameter
Description
Default
Output voltage
Set the level of the output voltage (240V is disabled)
Self-test cycle
Set the self-test cycle of the battery
Disabled
220V
ECO function
Set whether the ECO function is active
Disabled
EOD startup
Set whether startup is automatic
Enabled
Language
Set the LCD displayed language
Chinese
Note
1. Two output frequencys of the UPS are available: 50Hz and 60Hz. Select the appropriate output frequency according to the
input frequency, there is no need to set.
2. When power on at the first time, you should adopt normal mode to confirm the output frequency, otherwise the UPS will output
50Hz (default).
2.4.3 Normal Mode Startup
1. Close the external input MCB, output MCB and the input MCB on the rear panel of the UPS (see Figure 1-2) on by
one, and make sure that the battery connection is reliable.
Warning
After closing the extenal output MCB, the UPS output terminal block and power distribution end of the load will be live, pay
attention to the personnel safety to avoid electric shock. Check whether the power supply to the load is safe.
2. Power on the UPS to enter the self-test status (including the battery self-test), all the LED indicators blink, and the
buzzer beeps at intervals. After the self-test, the UPS enters the standby mode, and the mains indicator turns on, as
shown in Figure 2-29.
Figure 2-29
Indicators’ status
3. Press the ON/SILENCE key for more than one second, and wait for thirty seconds, the UPS will enter the inverter
standby mode automatically, at this time, the inverter indicator blinks. After the UPS has output, the inverter indicator
will be on, as shown in Figure 2-30.
Liebert® ITA 6kVA UPS User Manual
Chapter 2 Single UPS Installation And Commissioning
Figure 2-30
17
Indicators’ status
4. Measure whether the inverter output voltage is normal.
2.4.4 Battery Mode Startup
1. Close the battery MCB, press the ON/SILENCE key for more than one second, the UPS will start up and enter the
self-test status (including battery self-test). All LED indicators blink, the buzzer beeps at intervals. After the self-test,
the UPS will enter the standby mode.
2. Press the ON/SILENCE key for more than one second, and wait for thirty seconds, the UPS will enter the inverter
standby mode automatically, the inverter indicator blinks. After the UPS has output, the inverter indicator will be on, as
shown in Figure 2-31.
Figure 2-31
Indicators’ status
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Chapter 3 Parallel UPS Installation And Commissioning
Chapter 3 Parallel UPS Installation And Commissioning
The UPS parallel system provides the user with N + 1 (1 N 3) parallel configuration, N stands for the basic parallel
sets, 1 stands for the redundant sets.
The parallel output power distribution unit (POD for short) which can provide safe and reliable power distribution
function is compulsory for UPS parallel system. The UPS parallel system provides the user with 1 + 1 parallel POD
and 3 + 1 parallel POD.
This chapter introduces the mechanical installation, setting parallel address, connecting parallel cables and POD
cables.
3.1 Mechanical Installation
Taking the rack installation of the 3 + 1 parallel system with battery module for example, the mechanical installation of
the parallel system is as follows:
1. The UPS installation method of 3 + 1 parallel UPS is the same as that of the single UPS. Refer to 2.2 Mechanical
Installation for details.
2. As shown in Figure 3-1, the battery module should be installed at the bottom; the UPS should be installed in the
middle, and the 3 + 1 parallel POD should be installed on the top, so as to facilitate the cable connection and
operation.
3. The installation method of 3 + 1 parallel POD is the same as that of the UPS.
3 + 1 parallel POD
UPS
Battery module
UPS
Battery module
UPS
Battery module
UPS
Battery module
Figure 3-1
3 + 1 parallel system including battery modules installation
3.2 Connecting Power Cables
In UPS parallel system, each single UPS needs to configure the MCBs and cables respectively, refer to Table 2-2 and
Table 2-3 for the specification.
3.2.1 Connecting I/O Cables
There are two modes for UPS parallel power distribution: using the POD (optional) provided by Emerson and power
distribution by the user.
According to the user’s requirements, the I/O cable connections are divided into two types: 1-in 1-out (default) and
3-in 1-out.
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Chapter 3 Parallel UPS Installation And Commissioning
19
Using the parallel POD power distribution
In UPS parallel system, it is recommended to use POD provided by Emerson to perform power distribution. Refer to
Liebert® ITA 5kVA And 6kVA UPS Power Output Distribution Unit User Manual for the cable connection.
Power distribution by the user
The block diagram of four-UPS parallel system is shown in Figure 3-2. Refer to 2.3.1 Connecting I/O Cables for the
cable connection of each UPS. When using the power distribution by the user, refer to Table 2-2 and Table 2-3 for
MCBs and cables.
User input power
distribution unit
User output power
distribution unit
UPS1
UPS2
Input cable
Output cable
UPS3
UPS4
Figure 3-2
Block diagram of four-UPS parallel system
3.2.2 Connecting Parallel Cables
The parallel system provides parallel cables. The parallel cables form a ring connection through the parallel ports on
the UPS rear panel. The cable connection schematic diagram of 3 + 1 parallel system is shown in Figure 3-3. The
parallel port of the UPS is DB15 male port (needle shape), and the parallel cable port is DB15 female port (hole
shape).
Intellislot
Paralleled address
Input switch
230/400Vac-40A
+
Battery port
192Vdc 27A
PE
UPS1
Control port
Intellislot
Paralleled address
Input switch
230/400Vac-40A
+
Battery port
192Vdc 27A
PE
UPS2
Control port
Intellislot
Paralleled address
Input switch
230/400Vac-40A
+
Battery port
192Vdc 27A
PE
UPS3
Control port
Intellislot
Paralleled address
Input switch
230/400Vac-40A
+
Battery port
192Vdc 27A
PE
UPS4
Control port
Figure 3-3
Cable connection schematic diagram of 3 + 1 parallel system
Liebert® ITA 6kVA UPS User Manual
20
Chapter 3 Parallel UPS Installation And Commissioning
Note
The parallel cable provided by Emerson must be used for the parallel system.
Setting parallel address
The parallel addresses for all the single UPSs in parallel system should be set. The parallel addresses can be set
through the DIP switch on the UPS rear panel (see Figure 1-2). Remove the DIP switch cover, and set the DIP switch
according to Table 3-1.
Table 3-1
Parallel address
DIP switch
position
DIP switch settings
Parallel 1#
Parallel 2#
Parallel 3#
Parallel 4#
DIP3 DIP2 DIP1
DIP3 DIP2 DIP1
DIP3 DIP2 DIP1
DIP3 DIP2 DIP1
ON
ON
ON
ON
Warning
1. The DIP switch position must be unique for each UPS.
2. The default setting for DIP switch is ‘OFF’. However, you should set the DIP switch position for the parallel system according to
the description listed in Table 3-1. Otherwise, the UPS fault will occur.
3.3 Parallel System Commissioning
The parallel system commissioning in this section is the basic operation. Refer to Liebert® ITA 5kVA And 6kVA UPS
Power Output Distribution Unit User Manual for details.
3.3.1 Check Before Startup
1. Check and confirm that the power distribution mode of the main UPS is correct; that the connections of the power
cable and signal cable are correct and there is no short circuit. Check that the power distribution mode of the POD
and the cable connection are correct and there is no short circuit.
2. Check that the battery installation and cable connection are correct and there is no short circuit, and that battery
polarity is correct.
3. Check that the phase sequence of the mains, bypass and output of each UPS is correct and accordant. Ensure
that the parallel cable connection is reliable, and that the user load is not connected during power-on, so as to check
all the working status of the parallel system.
4. Measure and confirm that the mains voltage and frequency are normal.
5. The output terminals of the UPS and POD are energized upon power-on. If the load is connected with the output
terminals, make sure that it is safe to feed power to load.
3.3.2 Startup Commissioning For Parallel System
1. Power-on and commission each UPS of the parallel system respectively, namely power on one UPS each time,
and other UPSs are in the shutdown status, the specific commissioning procedures are as follows:
1) Close the external input MCB, output MCB, battery MCB and input MCB of one UPS, the UPS is powered on.
Ensure that other UPSs are in the shutdown status. (If 1 + 1 or 3 + 1 parallel POD is configured, close the
corresponding input MCB and output MCB of the POD.)
Warning
After closing the POD output MCB, the UPS output terminal block, POD output terminal block and load will be live, pay attention
to personnel safety to avoid electric shock. Confirm that it is safe to feed power to load.
2) Power on the UPS to enter self-test status (including battery self-test), all LED indicators blink, and the buzzer
beeps at intervals. After the self-test, the UPS will enter the standby mode, and the mains indicator will be on.
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Chapter 3 Parallel UPS Installation And Commissioning
21
3) Press the ON/SILENCE key for more than one second, and wait about thirty seconds, the UPS will switch to the
inverter standby mode automatically, the inverter indicator blinks. After the UPS has output, the inverter indicator will
be on.
4) Measure and confirm that the inverter output voltage is normal.
5) If the UPS is working normally, turn off the UPS.
6) Repeat the preceding step1) ~ setp5) to power on and commission the other UPSs respectively.
Note
Carry out the parallel commissioning after each UPS is working normally.
2. After each UPS has been powered on and working normally, you can commission the parallel system, the specific
procedures are as follows:
1) Close the external input MCB, output MCB and battery MCB and input MCB of one UPS (if 1 + 1 parallel POD is
configured, close the corresponding input MCB and output MCB of the POD), the UPS is powered on, at the same
time, make sure that other UPSs are in the shutdown status. After the self-test, press the ON/SILENCE key for one
second, and wait about thirty seconds, after the UPS has output, the inverter indicator will be on. Measure that the
inverter output voltage is normal.
2) Close the input MCB, external input MCB, output MCB and battery MCB of the second UPS (if 1 + 1 or 3 + 1
parallel POD is configured, close the corresponding input MCB and output MCB of the POD). Follow the preceding
steps to start the inverter of the second UPS, check that there is no alarm on the LCD display screen, and confirm
that the UPS parallel works normally.
3) Follow the preceding methods to start up the inverter of the third or the fourth UPS to connect the UPS into the
parallel system.
Warning
During the parallel startup, confirm that the external output MCB of each UPS has been closed, and that all the inverter output of
the UPSs are parallel connected.
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22
Chapter 4 Communication
Chapter 4 Communication
This chapter briefly introduces the communication of the UPS.
The communication ports include USB port and intelligent card port, but they cannot be used at the same time.
4.1 Connecting USB Communication Cable
The USB port is located on the rear panel of the UPS, as shown in Figure 1-2.
Connection procedures of the USB communication cable are as follows:
1. Take out the USB communication cable from the accessories.
2. Insert one end of the USB communication cable into the USB port on the real panel of the UPS.
3. Insert the other end of the USB communication cable into the USB port of the computer.
Before communication, you need to install USB drive program delivered in the installation disk.
The USB port can connect the standalone license Sitemonitor monitoring software. Refer to the user manual
delivered in the VCD for the installation setting and usage.
4.2 Installing Communication Devices (Optional)
The UPS provides an intelligent card port (see Figure 4-1), which is used to install the communication devices,
including SIC-SNMP card, dry contact card, dry contact extension card, RS485 card, RS232 card and MODBUS card.
Baffle of the
intelligent card slot
Intelligent card slot
Figure 4-1
Intelligent card
Intelligent card installation
For the installation and usage of the communication device, refer to the user manual delivered with the
communication device.
Liebert® ITA 6kVA UPS User Manual
Chapter 5 Troubleshooting
23
Chapter 5 Troubleshooting
In the event of a UPS fault, shoot the trouble in the first instance following the instructions provided in Table 5-1. If the
fault persists, seek technical assistance from the local dealer.
Table 5-1
No.
1
Fault phenomenal
Troubleshooting table
Possible cause
The mains MCB is closed, but the UPS
provides no display on the display panel,
and the UPS does not conduct self-test
Handling
No power supply is fed to the
UPS
Check that the UPS input cables are
connected properly
Input voltage is lower
Use a voltmeter to confirm that the UPS
input voltage is within specifications
Mains supply is normal, but the mains
indicator is off, and the UPS is in battery
mode
UPS mains MCB open
Close the UPS mains MCB
2
Input cables improperly
connected
Connect the UPS input cables properly
3
No UPS alarm, but no UPS output
voltage
Output cables improperly
connected
Make sure the output cables are properly
connected
4
After pressing the ON/SILENCE key, the
UPS does not start
The key holding time is too
short
Press and hold the ON/SILENCE key for
more than one second till the buzzer beeps
Overload
Close all load and restart the UPS
If the UPS is operating in battery mode, pay
attention to the battery back-up time
5
The mains indicator flashes
Mains voltage or frequency
exceeds UPS input range
6
The buzzer beeps every other 0.5
second, and the LCD displays
OVERLOAD
Overload
Remove some non-priority loads
External battery MCB open
Close the external battery MCB
External battery cables
improperly connected
Check that the external battery cables are
properly connected
External battery polarity
reversed
Check that the external battery cables are
not reverse-connected
Battery damaged
Contact the dealer to replace the battery
Charger failed
Contact the dealer to replace or repair the
charger
Battery not fully charged
When the mains power is normal, charge the
battery for more than eight hours, and then
test the battery discharge time
Battery capacity has been wore
down
Contact the dealer to replace the battery
7
8
9
The fault indicator illuminates, the LED
displays BATTERY FAIL
The fault indicator illuminates, and the
LED displays CHARGER FAIL
The discharge time of battery is shorter
than the standard time
10
The buzzer beeps for a long time, the
fault indicator illuminates, and the LED
displays TEMP OVER
Internal over-temperature
1. Check that air blows out from the
ventilation hole on the rear panel.
2. Check that the clearances on both sides
and at the back of the UPS are greater than
20cm.
3. Check that the ventilation holes on the
front panel, side panels, base plate and rear
panel of the UPS are unobstructed.
4. Wait for ten minutes and restart the UPS
11
The buzzer beeps for a long time, the
fault indicator illuminates, and the LED
displays OUTPUT SHORT
UPS output short circuit
Eliminate the output short circuit fault and
restart the UPS
12
The buzzer beeps for a long time, the
fault indicator illuminates, and the LED
displays RECTIFIER FAIL, INVERTER
FAIL, AUX SUPPLY FAIL, or OUTPUT
FAIL
UPS has internal fault
The UPS needs repair. Seek technical
assistance from the dealer
13
Abnormal sound or smell in UPS
UPS has internal fault
Turn off the UPS and cut off the power input
immediately. Seek technical assistance from
the dealer
Liebert® ITA 6kVA UPS User Manual
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Chapter 5 Troubleshooting
No.
Fault phenomenal
Possible cause
Handling
14
Shutdown due to low battery capacity
1. Save the load data immediately and turn
Battery capacity is too low result off the priority load to avoid data loss or
in the UPS shutdown and the
damage.
interrupt of load power
2. Connect the backup AC power to the UPS
input
15
The fault indicator illuminates, and the
buzzer beeps for a long time
The parallel address is wrong
16
The fault indicator illuminates, the buzzer
Overload
beeps for a long time, and the LED
displays RECTIFIER FAIL, BUS
UPS has internal fault
VOLTAGE ABNORMAL
1. Open the UPS mains switch.
2. Reset the parallel address
Remove some loads, restart UPS after five
minutes
Turn off UPS, cut off the input power, and
contact the dealer
When reporting the UPS fault to Emerson or dealer, please inform the UPS model and machine No. (the bar code on
the rear panel of the UPS). If the UPS is long-time delaying UPS, you should also provide the battery configuration
information.
Liebert® ITA 6kVA UPS User Manual