LEGRAND Megaline User manual

UPS Megaline
Operating and Maintenance Manual
®
Part. LE05744AA-08/12-01 GF

®
2
EN ENGLISH 3
UPS Megaline

UPS Megaline
3
Operating and Maintenance Manual
1 Introduction 4
1.1 Important information 4
2 Funzionamento 5
2.1 Operating principle 5
2.2 Mains operation 6
2.3 Battery operation 6
2.4 By-pass operation 6
2.5 Information provided by the display 6
2.6 Visual and acoustic warning signals 7
3 Installation 8
3.1 Prior to installation 8
3.2 Where to install your UPS 8
3.3 Front panel 9
3.4 Installation procedure for a single cabinet UPS 9
3.5 Presetting for the expansion of autonomy 11
3.6 Installation procedure for a double cabinet UPS 12
3.7 Guide to using the diagnostics software 14
3.8 Operating procedures 14
4 Customising the UPS operating mode 15
4.1 The functions of the buttons 15
4.2 The “Service Mode” function 15
4.3 Accessing menus 15
4.4 UPS status 16
4.5 UPS configuration 18
4.6 Events 22
4.7 Programming 23
4.8 Tools 24
5 Specifications 24
5.1 Construction specifications 24
5.2 Environmental specifications 25
5.3 Electrical input specifications 25
5.4 Output waveform 26
5.5 Electrical output specifications when running on mains power 26
5.6 Electrical output specifications when running on battery power 27
5.7 Battery operation 28
5.8 By-pass specifications 29
5.9 Reference standards 29
6 Troubleshooting 30
Index

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1. Introduction
Thank you for choosing to purchase a LEGRAND® product. Our company’s main objective is to supply innovative products
that are the outcome of our ongoing research and application of cutting-edge technology.
Our products are covered by several international patents, emblematic of LEGRAND®’s quest for exclusivity and ongoing
improvement.
LEGRAND® uninterruptible power supplies are designed to protect electronic equipment from problems that may be
encountered with your mains electricity supply, such as power cuts, surges and interference.
In particular, the product you have purchased is enhanced with our exclusive “State of Charge Algorithm” which makes it
possible for your UPS to achieve the best possible performance in terms of autonomy.
Our products comply with international standards: an additional guarantee of the quality of our products.
We recommend you read this manual carefully and keep it for future reference.
1.1 Important information
• Do not connect loads in excess of the limit stipulated on the product’s label and in the relative documents provided.
• Do not dismantle the UPS. Only authorised technical personnel are allowed access to the internal parts of the UPS.
• Never disconnect the UPS from the mains power supply when it is running: this would cut off the earth protection of
both the UPS and of the loads connected to it.
• Do not insert screwdrivers or other items inside the ventilation holes or into the fan.
• The UPS must be installed according to the instructions in this manual and in compliance with the set limits.
• Take care that no liquids come into contact with your UPS.
• This product should only be employed for the designated uses described in this manual.
• The manufacturer is not liable for any damage or injury caused by failure to comply with the instructions in this manual.
All the information contained in this manual is provided as a guide and is subject to change without notice for
product upgrading.

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Operating and Maintenance Manual
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2. Operation
Block diagram
2.1 Operating principle
When the mains supply is present, the input voltage is filtered and rectified by a special input stage (power factor corrector)
which is able to optimise the absorption of current from the mains, so that the power factor becomes practically unitary,
and to compensate for any shifts in voltage. This stage is able to supply the output inverter even in conditions of very low
mains voltage.
This feature becomes very striking with very low loads: with a load of around 50% nominal load, mains operation is
possible as low as about 100 V without any exploitation of battery power. This enables more “intelligent” management of
the switchover to battery power, minimising use of the batteries. The voltage is rectified at the first stage and then taken
up by a high frequency inverter to produce the ‘clean’ sinusoidal output voltage, offering very low distortion rates.
A rapid, synchronised by-pass circuit intervenes during peaks of absorption above the inverter’s capacity, for example
when certain peripherals are switched on, demagnetisation of large colour monitors, etc.
Should the mains voltage fail or be subject to excessive sag, a booster stage is automatically activated.
This employs the batteries and safeguards the supply of power to the output inverter, and thus to the load, without any
break. The circuitry is a passing neutral type, i.e. with no alteration of the neutral system of the appliances connected to it.
During normal operation, a sensor verifies the difference in potential between the neutral wire and the earth wire: should
this be excessive, it will activate the input protection and switch the UPS over to battery mode, signalling the anomaly.
It is, however, possible to modify the parameters of the software so that only signalling is provided, if preferred.
All the UPS functions are supervised by a microprocessor that is also able to control and memorise certain operating
conditions, in addition to managing the UPS interface with a computer by means of a RS 232 serial line.
This makes it possible to control the operating functions and any anomalies in real time.
The UPS keeps the operator informed regarding its operating status using visual and acoustic signals:
- alphanumeric display 1 on page 9
- status indicator 7 on page 9
- acoustic signal (located inside the UPS)
~
=~
=
=
=
By pass
Input
Input
Filter
Batteries
Batteries
Output
Filter
Inverter
Power
Factor
Corrector
Voltage
Booster Battery
Charger
Power
Module
Power Module
Micro-
processor
Logic
RS 232
Interface
Remote
Control
Output

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2. Operation
The combination of these signals enables rapid and intuitive understanding of its operating status and recognition of any
problems in the power supply.
There are three main operating modes
- Mains operation
- Battery operation
- By-pass operation
2.2 Mains operation
This is considered the normal operating condition:
- mains voltage is converted by the power factor corrector (PFC) into continuous current
- the inverter reconstructs the sinusoidal voltage from the continuous current
- the output filter provides extra “cleaning” of the output voltage
- the batteries are recharged
2.3 Battery operation
When there is a mains power failure, the UPS automatically switches over to battery mode.
- the voltage of the batteries is increased by the “booster” circuit
- the inverter reconstructs the sinusoidal voltage from the continuous current
- the output filter ensures the voltage supplied to the load is clean
2.4 By-pass operation
The by-pass circuit excludes the UPS and connects the output directly to the input. The switchover takes place in a
synchronised manner in order to ensure the correct output voltage is always guaranteed, preventing the risk of a break
in power or excess voltage.
The intervention of the by-pass circuit can be customised by means of a dedicated menu (Config. UPS, By-pass) which
provides many options (automatic, disabled, by-pass in load waiting mode, etc.) in order to meet the specific demands
of the application.
2.5 Information provided by the display
The main messages provided by the alphanumeric display in the three different operating modes are illustrated below.
UPS switching on....
UPS on mains
UPS On Mains Indicates normal operating status, when mains voltage is present.
On Battery Indicates that there is no mains power and the UPS is using its batteries
to supply power.
On By-pass Indicates that by-pass operation has been turned on: the output of the
UPS is connected directly to the mains.
IN xxxV Indicates the UPS input voltage and the RMS power absorbed by the
mains. This message is not displayed during battery operation.
OUT xxxV/x,xKW (xx%) The current power is also given as the percentage of the total power that
the UPS is able to supply.
Batt. xx,x? Indicates the state of charge of the batteries in a chart format and the
autonomy available in a numeric format.

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Operating and Maintenance Manual
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2.6 Visual and acoustic warning signals
NB: press to silence the acoustic signal. The signal will be silenced or enabled each time this button is pressed.
Status
indicator
Acoustic
signal
Messages
displayed Description
Green - UPS on Mains
IN xxxV
Normal operation with mains present and
loads within the set limits
Green
Fast flashing -
UPS on Mains
No sync mains
xx.xHz
The UPS is indicating that the frequency of
the output voltage is not synchronised with
the input voltage. The cause of this may be:
- PLL disabled
- Frequency of the input voltage is outside the
set limits for the UPS
Yellow Short intermittent
sound (every 20sec)
UPS on Batteries
MAINS ABSENT Battery operation
Yellow
Fast flashing - UPS on Bypass By-pass operation
Red
Fast flashing
Short and fast
intermittent sound -
Module failure
ATTENTION!
We recommend you switch off the ups
and contact your service centre
Overload
ATTENTION!
We recommend removing some of the
appliances connected to the ups so that
consumption by the load returns below
set limits
Red Continuous sound -
UPS error or failure
ATTENTION!
We recommend you switch off the UPS
and contact your service centre
Red
1 flash every 10 secs. - - Above 90% of MAX load
Red
Alternating short
long flashing
Alternating short,
long intermittent
sound
RESERVE
AUTONOMY!
Autonomy reserve. During battery operation
Incorrect battery connection
Incorrect Neutral
Red
Short flashing
with pause
-OUT OF
REDUNDANCY!
Consumption by the load is above the
redundancy that has been set.
Power board redundancy is not guaranteed in
case of failure

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3.1 Prior to installation
Check the packaging has not been opened or damaged and that the product has not been damaged during transport.
Please contact your shipping agent in case of doubt.
Check the contents of the box:
• Nr.1 UPS
• Nr.1 connector for the input/output cable (single cabinet version includes multiple output socket and input cable)
• Instructions manual
We recommend you keep the equipment’s packaging materials as they can be useful should the need arise to send the
product back for repairs.
3.2 Where to install your UPS
Make sure the place where you intend installing your UPS is level and sturdy.
Please comply with the following requisites for installation (Fig. 1):
- The UPS must be located in an enclosed environment: it was not designed to operate out of doors.
- It is essential that you comply with the environmental conditions illustrated in this manual.
- Avoid placing it in very dusty or damp areas or in direct sunlight.
- Avoid places where there are inflammable liquids and/or corrosive substances.
- Ventilation must be guaranteed by placing the UPS at least 20 cm away from any walls
- Do not cover the ventilation outlets on the front, rear or sides of the UPS
3. Installation
Fig.1
Where to install
the UPS.

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Operating and Maintenance Manual
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Fig.2
Electrical
Connections.
To the mains
electricity
supply
To the loads
3.3 Front panel
1 Alphanumeric Display
2 ESC button / exit function / silence acoustic signal
3 Button to scroll backwards / increase value
4 Button to scroll forwards / decrease value
5 Enter button / confirm function / access menu
6 Button to switch on / switch off
7 Multicolour operating status indicator light (green / yellow / red)
3.4 Installation procedure for a single cabinet UPS
3.4.1 Electrical connections
Single Cabinet (fig. 2):
8 Input/Output connector
9 Input/Output plug
10 Input fuse
11 RS232 serial interface outlet (9-pin female)
12 Logic signals outlet ( 9-pin male)
13 Presetting for expansion of autonomy

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3. Installation
3.4.2 Single cabinet
1. Wire up the Input-Output connector supplied as shown in figure 3, using insulated cable with wires whose section is
at least 2.5 mm2.
2. Insert the connector into the plastic housing and secure it using the screws supplied. Secure the wires to the housing
using the cable grip (see fig. 3).
3. Take the cover off the plug [9] by removing its screws.
4. Put the Input-Output connector into the plug [9] located on the rear of the UPS, and secure to its case using the
screws supplied (see fig. 2).
5. Check that the on/off switches of all the appliances to be connected to the UPS are OFF and connect them to the
output socket.
6. Insert the power supply plug into a power outlet that is adequate for the voltage and current required.
Input-output connector - Assembly
WARNING
Your UPS is fitted with a circuit to protect it against the risk of incorrect connections. This eventuality will be
indicated by means of its red warning light, lit without flashing, and the continuous sounding of its internal
buzzer. Should you note this signal immediately after switching the UPS on, switch it off and remove the power
supply plug immediately.
3.4.3 Precautions for installation
• Electrical connections should only be done by trained personnel
• Do not modify the electric cables supplied
• Make sure that the mains outlet is connected securely to an earth circuit
• The mains outlet, or the circuit breaker, must be installed near the appliance and must be easily accessible
ATTENTION
(for versions 3 103 46/3 103 47/3 103 48/3 103 49)
The cables supplied are fitted with an input plug and outlet sockets whose maximum capacity is 16A.
Therefore, we recommend use of direct cabling from the control panel to the connector supplied (follow instructions
for connections shown in Figs. 3 and 4 on Page 11) for applications where the anticipated UPS input current will be
in excess of 13A (e.g. 5000 VA with Vinn=184V)
ATTENTION
(for versions 3 103 46/3 103 47/3 103 48/3 103 49)
Since current dispersion towards earth of all the loads merges in the UPS protection wire (earth wire), it is essential to
check that the sum of these currents does not exceed 2.7 mA, according to standard EN 62040-1, for safety reasons.
Connector
Reference
notch
Cable grip
1
2
3
4
5
6
Yellow-green wire
Brown wire
Input cable
(to the mains
electricity supply)
Output cable
(to load)
Blue wire
Yellow-green wire
Blue wire
Brown wire
Terminal n°1 PHASE OUTPUT
T
erminal n°2 NEUTRAL OUTPUT
Terminal n°4 NEUTRAL OUTPUT
Terminal n°5 PHASE OUTPUT
Earth connection
Plastic housing
Fig. 3
Connection
terminals housing.

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Operating and Maintenance Manual
11
Input-output connector - Side with insertion of wires
3.5 Presetting for the expansion of autonomy
Your UPS is complete with presetting for the connection of additional battery cabinets. One or more extra battery cabinets
can be fitted to a single cabinet UPS as follows:
1. Loosen screws 1 and 2 shown in figure 5, but do not unscrew them completely.
2. Slide the protective casing to the left so that the connectors located inside the box are completely accessible.
3. Tighten the screws to secure the metal protection.
4. Connect the battery cabinet to the UPS using the dedicated cables.
5. Use the plaited conductor supplied to safeguard a good contact with earth.
ATTENTION
Make sure the UPS has been switched off and disconnected from the mains supply before proceeding with
connections.
ATTENTION
The cables supplied with the battery cabinet were designed for connection to the UPS cabinet of double cabinet
UPS versions (3 103 60, 3 103 63, 3 103 66, 3 103 69, 3 103 72): in this case, all three cables supplied must be
connected. For single cabinet versions (3 103 46, 3 103 47, 3 103 48, 3 103 49) use only 2 of the 3 cables supplied.
Fig. 4
Terminals.
Fig. 5.
Connector
Reference
notch
Cable grip
1
2
3
4
5
6
Yellow-green wire
Brown wire
Input cable
(to the mains
electricity supply)
Output cable
(to load)
Blue wire
Yellow-green wire
Blue wire
Brown wire
Terminal n°1 PHASE OUTPUT
Terminal n°2 NEUTRAL OUTPUT
Terminal n°4 NEUTRAL OUTPUT
Terminal n°5 PHASE OUTPUT
Earth connection
Plastic housing
Inverter Cabinet Battery connections
Brass washer
Brass washer
Nut
Copper braid
Battery Cabinet
POWER supply input
(from mains electricity)
EEC 2P+E EEC
Standard plug 2P+E EEC
Standard socket
with disconnecting
switch and fuses (32 A)
Output for loads
(protected by UPS)
EEC 2P + E EEC
Standard socket
Cable grips
Screw cable grips
clockwise to secure cables
Grower washer

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3. Installation
3.6 Installation procedure for a double cabinet UPS
Double Cabinet (fig. 6):
8 Battery connections
9 Input/Output plug
10 Mains fuses
11 RS232 serial interface outlet (9-pin female)
12 Logic signals outlet ( 9-pin male)
13 Copper plaited conductor
3.6.1 Double Cabinet.
The following connections are located on the rear of the UPS:
Inverter Cabinet
• Input-Output Plug [9]: connect the previously wired connector supplied in the bag of accessories to this plug.
• Outlet for connection of RS232 type computer serial interface (9-pin female) [11]: this is used if you want to use the
diagnostics or shutdown software.
• Two sockets for connection of a remote control and logic signals computer interface (9-pin male) [12]: for use with the
relative devices (optional).
• Output for Battery Cabinet connection cables [8].
• Screw for earth connection of battery cabinet [14].
Battery Cabinet
• Connector for connection to the Inverter Cabinet using the cables supplied [8].
• Screw for earth connection of case [14].
Follow the steps below for installation:
1. Looking at the UPS from the front, put the Battery Cabinet to the left of the Inverter Cabinet; also check that the
ventilation holes are not blocked.
2. Connect the earth between the two cabinets using the copper plaited conductor supplied, as shown in fig.6.
3. Connect the Battery Cabinet using the cables supplied (there should be no remaining free connectors: use all the
cables supplied).
4. Wire up the Input-Output connector supplied as shown in figure 8, using insulated cable with wires whose section is
at least 4 mm2.
5. Insert the connector into the plastic housing and secure using the screws supplied. Insert the wires into the appropriate
holes and secure them using the two cable grips (see fig. 7).
6. Take the cover off the plug [9] by removing its screws.
7. Put the Input-Output connector into the plug [9] located on the rear of the UPS, and secure to its case using the
screws supplied (see fig. 6).
8. Check that the on/off switches of all the appliances to be connected to the UPS are OFF and connect them to the
output socket.
9. Insert the power supply plug into a power outlet that is adequate for the voltage and current required.
WARNING
Never remove the 230 V power plug whilst the UPS is in operation: this would disconnect the earth protection of
both the UPS and of the connected loads.
ATTENTION
(for versions 3 103 60; 3 103 63; 3 103 66; 3 103 69; 3 103 72)
Since current dispersion of all the loads towards earth merge in the UPS protection wire (earth wire), it is essential to
check that the sum of these currents does not exceed 2.7 mA, according to standard EN 62040-1, for safety reasons.
WARNING
Your UPS is fitted with a circuit to protect it against the risk of incorrect connections. This eventuality will be
indicated by means of its red warning light, lit without flashing, and the continuous sounding of its internal buzzer.
Should you note this signal immediately after switching the UPS on, switch it off and remove the power supply plug
immediately.

UPS Megaline
Operating and Maintenance Manual
13
Inverter Cabinet Battery connections
Brass washer
Brass washer
Nut
Copper braid
Battery Cabinet
POWER supply input
(from mains electricity)
EEC 2P+E EEC
Standard plug 2P+E EEC
Standard socket
with disconnecting
switch and fuses (32 A)
Output for loads
(protected by UPS)
EEC 2P + E EEC
Standard socket
Cable grips
Screw cable grips
clockwise to secure cables
Grower washer
Fig. 6.
Fig. 7.
Housing of
double cabinet
connection
terminals.
Fig. 8.
Double cabinet
connection
terminals.
Connector
Plastic
housing
Cable grips
Yellow-green wire
Brown wire
Earth
connection
Terminal n°1
NEUTRAL OUTPUT
Terminal n°3
PHASE OUTPUT
Terminal n°2
PHASE INPUT
Terminal n°4
NEUTRAL INPUT
Blue wire
Yellow-green wire
Brown wire
Blue wire
11
1 2
3 4
12
Connector
Plastic
housing
Cable grips
Yellow-green wire
Brown wire
Earth
connection
Terminal n°1
NEUTRAL OUTPUT
Terminal n°3
PHASE OUTPUT
Terminal n°2
PHASE INPUT
Terminal n°4
NEUTRAL INPUT
Blue wire
Yellow-green wire
Brown wire
Blue wire
11
1 2
3 4
12

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3. Installation
3.7 Guide to using the diagnostics software
3.7.1 Connection
Your UPS is fitted with a standard RS232 interface, which can be used in conjunction with a computer in order to access
data relating to the operation of the UPS and its log. This function must be used together with the interface programme
for WINDOWS environments available from our website www.ups.legrand.com without charge. A RS232 cable is required
to connect a serial port on your PC to the interface outlet [11] located on the rear of the UPS.
3.8 Operating Procedures
Switch on Switch off
Press button
The display reads
The status indicator shows the sequence during switch
on (red, yellow, green).
The display shows the operating status (example).
During operation (example)
Press button for a few seconds
The acoustic warning signal sounds repeatedly then the
UPS switches off (5 seconds).
UPS switching on....
UPS on mains
UPS switching on....
UPS on mains
UPS switching on....
UPS on mains

UPS Megaline
Operating and Maintenance Manual
15
4.1 The functions of the buttons
The buttons on the front panel of the UPS are used to access its various menus.
ATTENTION:
Some menus contain more than four lines: use the buttons to scroll through items in the menu that are
not displayed.
4.2 The “Service Mode” Function
All the settings and programming described below can be done even when the UPS is switched off.
Press the button to enter UPS “SERVICE” mode in order to access the Display menu. Press the button to exit
this mode. Alternatively, the UPS will automatically exit the function and switch off if it does not receive manual or serial
commands within 1 min.
4.3 Accessing menus
When the UPS switch on procedure has been completed, the display will read (example).
Press the button to access the main menu.
4. Customising the UPS operating mode
Button Description
- Exit a function without modifying it
- Go up a level to an upper level menu
- Exit the main menu and return to status display
- Silence the buzzer
- Select previous function
- Increase a value within the function
- Select a new item within the function (e.g. go from DISABLED to ENABLED)
- Select next function
- Reduce a value within the function
- Select a new item within the function (e.g. go from ENABLED to DISABLED)
- Confirm a value
- Access an item in the menu
- Go down a level to a lower level menu
UPS switching on....
UPS on mains

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Main menu
4.4 UPS Status
4. Customising the UPS operating mode
UPS Status
UPS Config.
Events
Programming
Tools
UPS Info
Output
Input
Batteries
History Data
Misc.
Output
Input
Bypass
Neutral Sensor
Batteries
Clock setup
Operator Panel
Contact Interface
log View
log Reset
Schedule Planning
Restart
Shutdown Planning
Signalling Test
LCD Display Test
Battery Test
Battery Calibration
UPS Status UPS Setup Events Scheduling Tools
Power xxxxx
Appar.Pow. xxxx
V RMS xxxx
I RMS xxxx
Peak current xx
Frequency xx
I Crest factor xx
Power fact. xx
Output
UPS Info
ð
Mod Megaline xxxx
POut Max xxxx
SWVer. xxxx
S/N xxxxxxxxx
Installed Modules x
Faulty Modules x
ð
Mod Indicates the name of the UPS
POut max Indicates the potential maximum active power (W)
SWVer. Software version
S/N Serial number
Installed Modules Number of power modules fitted
Faulty Modules Number of power modules that have failed
Power Indicates the active power supplied (W)
Appar. Pow. Indicates the apparent power supplied (VA)
V RMS Indicates the effective voltage (V RMS)
supplied at the UPS output
I RMS Indicates the effective current (A RMS)
supplied at the UPS output
Peak current Indicates the peak current supplied
at the UPS output (A)
Frequency Indicates the frequency of the UPS
output voltage (Hz)
I Crest factor
Indicates the crest factor, calculated as the ratio between
the peak value and the effective value of the current
absorbed by the load
Power fact. Indicates the power factor
for the load connected to the UPS

UPS Megaline
Operating and Maintenance Manual
17
Power xxxx
Appar.Pow. xxxx
V RMS xxx
I RMS xxxx
Peak Current x
Frequency x
I Crest factor x
Power Fact x
Input
ð
Power Indicates the power received from mains (W)
Appar.Pow. Indicates the apparent power received from mains (VA)
V RMS Indicates the effective voltage (V RMS) at the UPS input
I RMS Indicates the effective current (A RMS) received
from mains
Peak Current Indicates the peak current received from mains (A)
Frequency Indicates the frequency of the UPS input voltage (Hz)
I Crest factor
Indicates the crest factor, calculated as the ratio between
the peak value and the effective value of the current
received from mains
Power Fact Indicates the power factor applied to mains
Voltage xx
Residual Cap. xxxx
Discharge count xxxx
Usage xxxx
Cal.dd/mm/yyhh:mm
Ext. KB units xx
Ext Chargers xx
Batteries
ð
Voltage Indicates the voltage at the terminals of the battery kits (V)
Residual Cap. Indicates the percentage of battery charge
Discharge count Indicates the number of battery discharge cycles
Usage Hours of operation on battery power
Cal. Indicates the date (day / month / year) and the time
(hours / minutes) of the last battery calibration
Ext. KB units Indicates the number of external KBs fitted
Ext Chargers Indicates the number of external battery chargers fitted
UPS Ontime xxxxx
BoosterOnTime xxxx
DrainedOut N. xxxx
Booster Int. xxxx
Bypass Interv. xxxx
OverheatCount xxxx
History Data
ð
UPS Ontime Indicates the total number of hours of UPS operation
BoosterOnTime Indicates the number of hours of UPS operation
in booster mode (running on battery power)
DrainedOut N. Indicates the number of times the UPS has completely
discharged its batteries
Booster Int. Number of times booster mode has intervened
(running on battery power)
Bypass Interv. Number of times the by-pass has intervened
(refer to Config.UPS / By-pass menu)
OverheatCount Number of times the thermal protection has been
triggered (due to excessive load, for example)
Int. Temp. xx
Ext. Temp. xx
Fan speed xx
Misc.
ðInt. Temp. Indicates the internal temperature of the UPS,
shown in Celsius
Ext. Temp. Indicates the external temperature of the UPS,
shown in Celsius
Fan speed Indicates the speed of the UPS cooling fans, shown in
a percentage format (100% = maximum speed)

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4.5 UPS Setup
4. Customising the UPS operating mode
Output
Input
Voltage
Frequency
N+x Redundancy
PLL Enable
Extended PLL Range
ð
ð
Voltage To set the UPS output voltage (V)
Frequency
To set the UPS output frequency (Hz)
Nominal Value: to set a numerical value for the output
frequency (50 or 60)
Auto Selection:
If enabled, the UPS reads the frequency of the input
voltage and then synchronises the output to the same
value.
If disabled, the UPS uses the set Nominal Value.
N+x
Redundancy
To set the number of redundant boards
(refer to NB: Redundancy Settings)
PLL Enable
If enabled, the UPS synchronises the output sine wave
with the input If disabled, the output voltage is not
synchronised with the input.
This is indicated by the flashing of the status
warning light (green)
Extended
PLL Range
If enabled, the UPS synchronises the output voltage with
the input for variations in frequency of +/-14% the
nominal value. If disabled, the PLL is synchronised for
variations in frequency of +/-2%.
NB: Redundancy Settings
This function is used to manage the redundancy of the power modules. For example: a load requires N power modules; X power
modules must be added to achieve N+X redundancy.
If the load applied exceeds the power supplied by N modules during operation, the UPS will signal the lack of redundancy
A numerical example is given below:
NB: PLL Settings.
The PLL function ensures the UPS output frequency is synchronised with the input so that the changeover at zero takes
place at the exact same time. Should the by-pass intervene, e.g. due to unanticipated loads, input-output synchronisation
is guaranteed.
Load Power
boards
Total
power (W) Redundancy Redundancy alarm (W)
Overload
alarm (W)
3700 3 3750 0 no 3750
3700 4 5000 1 3750 5000
1500 4 5000 2 2500 5000
1000 4 5000 3 1250 5000

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Operating and Maintenance Manual
19
ATTENTION
If the PLL function is disabled, the automatic by-pass function is also disabled.
Should the variation in input frequency be above the set range, the UPS will inhibit the PLL function and release
the output and input lock. When the range returns within the set threshold, the PLL function will be reinstated
automatically.
ATTENTION!
Programming priority is as follows:
X: either setting (ENABLED or DISABLED).
NB: Load Waiting without mains power.
In “Load Waiting” mode, the UPS will switch the by-pass on when the load is below the set threshold. Should there be no
mains power, the UPS will switch off and only switch on again when mains power is restored.
Bypass Enable
Forced mode
DIP Speed
Off-line mode
Load Wait Mode
By-pass
ðBypass Enable
If enabled, the UPS manages by-pass intervention
automatically.
If disabled, the UPS will never switchover to by-pass
operation. The UPS will switch off in cases of lengthy
overload.
Forced mode If enabled, the UPS enters permanent by-pass operation.
DIP Speed
This is to alter the sensitivity of the automatic intervention
by the by-pass (when forced mode is disabled)
SLOW: for loads that are not sensitive to dips in voltage
or micro breaks but that cause frequent peaks.
STANDARD: normal use
FAST: loads sensitive to micro breaks
Off-line mode
If enabled, the by-pass operates as follows:
- When mains power is present, the UPS runs
permanently in by-pass mode
- Should mains power fail, the UPS enters battery mode.
Load Wait Mode
ENABLE: switches the function on or off
If enabled, the by-pass enters operation when the load is
below the threshold set for “Minimum load threshold”
Above this threshold, the by-pass stops working.
Minimum load threshold: to set the value for the load for
the switching on and off function (refer to NB: Load
Waiting without mains power).
Operational
function
Enable
By-pass
Forced
Mode
Off-line
Mode
Load
Waiting
Forced mode ENABLED ENABLED X X
Off-line mode ENABLED DISABLED ENABLED ENABLED
Off-line mode ENABLED DISABLED ENABLED DISABLED
Load waiting mode ENABLED DISABLED DISABLED ENABLED
Automatic mode ENABLED DISABLED DISABLED DISABLED
By-pass disabled DISABLED X X X

20
®
4. Customising the UPS operating mode
Enable
Ignore While Run
Set capacity
Reserve Time
Neutral Sensor
ADVANCED MODE
Batteries
ð
ð
Enable
If enabled, the UPS uses the neutral sensor to verify that
the difference in voltage between neutral and earth is
within safety limits.
Should it go above the threshold, the UPS will
automatically switchover and run on battery mode.
If disabled, the UPS will ignore the neutral sensor.
Ignore While
Run
If enabled, the UPS only verifies neutral-earth voltage
when it is switched on. If disabled, the UPS will verify
neutralearth voltage in all operating conditions.
Set capacity Advanced mode
Reserve
Time
Sets the warning signal for the end of battery autonomy
using the remaining run time (minutes)
Capacity Manag.
Batteries
ð
Capacity
Manag.
There are two options for programming
ADVANCED MODE
The warning signal for the end of autonomy is determined
by reading the power absorbed by the load connected to
the UPS and is displayed as the remaining autonomy time
SIMPLE MODE
The warning for the end of autonomy is calculated by
reading the battery voltage.
The chosen setting determines the type of battery
programming menu displayed.