socomec Masterys MAS2BC115S+C1, Masterys MAS2BC115T+C3, Masterys MAS2BC115M+D1, Masterys MAS2BC115M+C2, Masterys MAS2BC115T+C4 Installation And Operating Manual

INSTALLATION AND OPERATING MANUAL

MASTERYS BC

from 15 to 20 kVA

ITALIANO

MASTERYS BC

from 15 to 20 kVA

3

ENGLISH

INDEX

1. CERTIFICATE AND CONDITIONS OF WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2. SAFETY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1 Important. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.2 Description of the symbols used on the labels applied to the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3. UNPACKING AND INSTALLATION OF THE UNIT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1 Shipping and moving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2 Unpacking procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.2.1 Models “S” (h 800 mm) and models “M” (h 1.000 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.2.2 Models “T” (h 1.400 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.3 Environmental requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.4 Electrical requisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.4.1 Back-feed protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.5 Installation procedure and instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.6 Connection of the generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.7 External E.S.D. connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.8 Connecting the UPS to an internal isolation transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.9 UPS Parallel conguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.9.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.9.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.9.3 Power cable connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.9.4 Control connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4. MODES OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.1 ON LINE operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.2 Operation in high eciency mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.3 Operation with manual bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.4 Operation with external manual bypass (option). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.5 Operation in GE conguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5. ACCESS TO CONTROLS AND COMMUNICATION INTERFACES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.1 Identifying the switches and interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.2 Functions of the switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6. MIMIC PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.1 Basic mimic panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.1.1 Meaning of LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.1.2 Meaning of the status light bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.1.3 Display menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

MASTERYS BC

from 15 to 20 kVA

4

ITALIANOENGLISH

INDEX

7. OPERATING PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.1 Operating procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.1.1 Start-up in normal mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.1.2 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.1.3 Extended out of service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.1.4 Switching onto manual bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7.1.5 Return to normal mode from internal manual bypass activated . . . . . . . . . . . . . . . . . . . . . . . . 32

7.1.6 Emergency shutdown (E.S.D.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

8. COMMUNICATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

8.1 Multi-Level Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

8.2 Accessories and SW options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

9. PROBLEM SOLVING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

9.1 System alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

9.2 UPS alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

9.3 Preventive maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

9.3.1 Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

9.3.2 Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

9.3.3 Capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

10. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

10.1 ADC card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

10.1.1 ADC card installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

10.1.2 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

10.2 Isolation Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

10.3 Remote mimic panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

10.4 Power share . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

10.4.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

10.4.2 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

10.5 Separate auxiliary power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

10.6 External back-feed protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

10.6.1 Protection on separate auxiliary mains supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

10.6.2 Protection on a UPS without auxilary mains supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

11. TECHNICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

MASTERYS BC

from 15 to 20 kVA

5

ENGLISH

1

CERTIFICATE AND CONDITIONS
OF WARRANTY

This SOCOMEC UPS continuous power system is guaranteed against any manufacturing and material defects.

The period of validity of the warranty is 12 (twelve) months from the date of activation, if said activation is car­ried out by SOCOMEC UPS personnel or personnel from a support centre authorised by SOCOMEC UPS, and not
however more than 15 (fteen) months from the date of shipment by SOCOMEC UPS.

The warranty is recognized within Italian territory. If the UPS is exported out of Italian territory, the warranty
shall be limited to the cover of the parts used to repair the fault.

The warranty is valid ex-works and covers labour and parts used to repair the fault.

The warranty shall not apply in the following cases:

• Failures due to fortuitous circumstances or force majeure (lightning, oods, etc.);

• Failures due to negligence or improper use (use out of tolerance: temperature, humidity, ventilation, electric
power supply, applied load, batteries);

• Insucient or inadequate maintenance;

• Attempted maintenance, repairs or modications not carried out by SOCOMEC UPS personnel or personnel
from a support centre authorised by SOCOMEC UPS.

• If the battery has not been recharged in accordance with the terms indicated on the packaging and in the
manual, in cases of extended storage or UPS inactivity.

SOCOMEC UPS may, at its own discretion, opt for the repair of the product or for the replacement of the faulty
or defective parts with new parts or with used parts that are equivalent to new parts with regard to functions
and performance.

Defective or faulty parts replaced free of charge are to be put at the disposal of SOCOMEC UPS who becomes
the sole owner.

Replacements or repairs of parts and any modications to the product during the warranty period cannot
extend the duration of the warranty.

In no case will SOCOMEC UPS be responsible for damages (including, without limitations, damage for loss of
earnings, interruption of activity, loss of information or other economic losses) deriving from the use of the
product.

The present conditions are subject to Italian law. Any dispute falls under the province of the Court of Vicenza.

MASTERYS BC

from 15 to 20 kVA

6

ITALIANOENGLISH

2.1 IMPORTANT.

• This document provides important instructions for the safe use, movement and connection of the MASTERYS™
uninterruptible power system (UPS).

• The unit must be installed and activated only by qualied technical personnel and authorised by
SOCOMEC UPS.

The UPS MUST only be moved by two people at least.
The people MUST take position at the sides of the UPS with respect to the direction of movement.

• The unit must remain in a vertical position in all circumstances.

• Connect the PE ground conductor rst before you make any other connection.

• Do not expose the UPS to rain or liquids in general. Do not introduce external bodies.

• If the UPS is not equipped with automatic sectioning against back feed or if the switch is external to the UPS,
ax a label bearing the following words on all the external switches of the UPS power supply:

ISOLATE THE UPS BEFORE

OPERATING ON THIS CIRCUIT

• Keep this manual handy for future consultation.

• If the unit fails, it must be repaired only by authorised technicians that have been specially trained for this
purpose.

• This equipment conforms to the European Community directives for professional equipment and bears the
approval mark

• The UPS requires three-phase plus neutral input connections (3P+N).

• Do not connect the output neutral to ground. The UPS does not modify the neutral arrangements of the
system; the use of an isolation transformer is required should it be necessary to modify the neutral arrange­ments downstream of the UPS.

• Before connecting any external battery cabinet, ensure that it is fully compatible with the model of UPS it is
to be used with.

• The use of external battery cabinets not supplied by the manufacturers is not recommended.

• Switch o and isolate the UPS and then wait for 5 minutes before removing the protection panels in order to
carry out work on parts under dangerous voltage.

• Danger of explosion if the batteries are replaced with others of the wrong type.

• Replaced batteries must be disposed of at authorised waste disposal centres.

It is very dangerous to touch any part of the batteries as there is no isolation between the bat­teries and the mains power source.

SAFETY

2

MASTERYS BC

from 15 to 20 kVA

7

ENGLISH

The product you have chosen is designed for commercial and industrial use only.
In order to be used 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 harms to person or property, the products may have to be adapted.
For such uses we would advise you to contact SOCOMEC UPS beforehand to conrm the ability of these prod­ucts to meet the requested level of safety, performance, reliability and compliance with applicable laws, regula­tions and specications.

2.2 DESCRIPTION OF THE SYMBOLS USED ON THE LABELS APPLIED TO THE UNIT.

Si ricorda di osservare tutte le avvertenze e le indicazioni riportate sulle etichette e targhette applicate all’interno
e all’esterno dell’apparecchiatura.

DANGER! HIGH VOLTAGE (BLACK/YELLOW)

GROUND TERMINAL

READ THE USER MANUAL BEFORE USING THE UNIT

2

SAFETY

MASTERYS BC

from 15 to 20 kVA

8

ITALIANOENGLISH

The packaging guarantees the stability of the UPS during shipping and physical transfer. Carry the packaged
unit as close as possible to the installation site.

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

3.1 SHIPPING AND MOVING.

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

• The unit has wheels that can be used to move it for short distances.

• Ensure that the oor is strong enough to support the weight of the UPS and of the battery cabinet, if used.

Avoid pressing on the front panels when moving the unit.

The UPS MUST only be moved by two people at least. The people MUST take position at the
sides of the UPS with respect to the direction of movement.

CAUTION IF DAMAGED.

BATTERIES, NON SPILLABLE.

Packages, crushed, punctured, or torn such that contents are revealed
must be set aside in an isolated area and inspected by a qualied per­son. If the package is deemed to be not shippable, the contents must
be promptly collected, segregated, and either the consignor or con­signee contacted.

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

UNPACKING AND INSTALLATION
OF THE UNIT

3

Battery is NOT connected!

MASTERYS BC

from 15 to 20 kVA

9

ENGLISH

3.2 UNPACKING PROCEDURE.

3.2.1 Models “S” (h 800 mm) and models “M” (h 1.000 mm).

3

UNPACKING AND INSTALLATION
OF THE UNIT

Secure the UPS with feet D only when it is in position with cables connected.

3.2.1-5

3.2.1-23.2.1-1

3.2.1-8

3.2.1-3

3.2.1-4

Remove screws A and screws B.

1

2

3

A

B

3.2.1-9

Secure the UPS with feet D.

D

D

3.2.1-6

3.2.1-7

MASTERYS BC

from 15 to 20 kVA

10

ITALIANOENGLISH

UNPACKING AND INSTALLATION
OF THE UNIT

3

3.2.2 Models “T” (h 1.400 mm).

3.2.2-9

3.2.2-6

Loosen screws B.
Remove screws C.

3.2.2-7

Tighten screws B.

1

B

2

C

2

B

1

1

The UPS can be moved.
Place the UPS in the installation
area.

3.2.2-8

Secure the UPS with feet D.

D

D

Secure the UPS with feet D
only when it is in position
with the cable connected.

Loosen screws B.

1

B

2

2

3.2.2-4

1

3

2

3.2.2-5

Remove screws A.

1

A

2

3.2.2-23.2.2-1 3.2.2-3

Remove screws A and screws B.

A

B

MASTERYS BC

from 15 to 20 kVA

11

ENGLISH

3.3 ENVIRONMENTAL REQUISITES.

• The recommended operating temperature, humidity and altitude values are listed in the technical specica­tions table (see chapter 11). Cooling systems may be required to maintain these values.

• Avoid dusty environments or areas where there is dust from conductive or corrosive materials (e.g. metal dust
or chemical solutions).

• The UPS is not designed for outdoor use.

• Do not expose the UPS to direct sunlight or to sources of excessive heat.

• A space of at least 25 cm must be left at the back for adequate ventilation (see gure 3.3-1).

• The UPS switches are accessed from the front; however, a space of at least 1.5 metres should be left at the
front of the UPS for maintenance purposes. It is also recommended to ensure that the cable connections are
suciently long and exible so that the unit can be extracted during maintenance (see gure 3.3-2).

• If it is not possible to leave sucient space at the front, adequate access must be ensured from both sides.

3.3-1

3.3-2

MASTERYS

UPS OR

OTHER

CABINET

MASTERYS

UPS OR

OTHER

CABINET

MASTERYS

UPS OR

OTHER

CABINET

MASTERYS

UPS

25 cm1,5 m

MASTERYS

UPS

25 cm1,5 m

20 cm20 cm

UNPACKING AND INSTALLATION
OF THE UNIT

3

3.2.2-10

Tighten screws B.
Tighten screws C.

2

B

1

C

3.2.2-11

Tighten screws A.

2

A

1

MASTERYS BC

from 15 to 20 kVA

12

ITALIANOENGLISH

3.4 ELECTRICAL REQUISITES.

The installation and the system must comply with national plant regulations. The electrical distribution panel
must have a protection and sectioning system installed for the input mains and the auxiliary mains. If a dieren­tial switch is installed on the mains power switch (optional), it must be inserted upstream from the distribution
panel.
The table below show the size of the input protection devices recommended for correct installation.

This unit has been designed for connection to an ordinary AC power supply, i.e. with transient vol­tage in overvoltage II category. Should it be necessary to connect the UPS to a higher overvoltage
category (e.g. at the beginning of the installation, or to primary distribution circuits), or should the
UPS risk being exposed to higher transient overvoltages, adequate external protections must be
installed.

In the event of three-phase distorting loads connected in output, the current on the neutral
conductor may have a value that is 1.5 - 2 times the phase value (also for the input bypass). In
this case, size the neutral cables and the input/output protection adequately.

3

UNPACKING AND INSTALLATION
OF THE UNIT

Size of the input protection devices

UPS Magneto-thermal Magneto-thermal Dierential Input/Output Battery Battery
input

1

Aux Mains1 input5 cable core size cable core size protection

4

(kVA) (A) (A) (A) (mm2) (mm2) (A)
single parallel2 single parallel2 selective type5 Min Max3 Min Max

3

15 3/1 32 40 100 125 0,5 6 35 6 25 50 Gg
100 125 25

if common if common

aux mains

input input

and output

mains mains

e uscita

20 3/1 40 63 125 160 0,5 10 35 10 25 63 Gg
125 160 35

if common if common

aux mains

input input

and output

mains mains

e uscita

15 3/3 32 40 32 40 0,5 6 25 6 25 50 Gg
20 3/3 40 63 40 63 0,5 10 25 10 25 63 Gg

1

D curve magneto-thermal switch recommended.

2

In systems with two or more UPSs operating in a redundant or power parallel conguration.

3

Determined by the size of the terminals.

4

protection on the external battery cabinet (preferably 2 bipolar protection devices or one quadripolar).

5

Caution! Use selective type dierentials. load leakage currents are added to those generated by the UPS and during transitory phases

(power failure and power return) short current peaks may occur. If loads with high leakage current are present, adjust the dierential
protection. It is advisable in all cases to carry out a preliminary check on the earth current leakage with the UPS installed and operational
with the denitive load, so as to prevent the sudden activation of the above switches.

MASTERYS BC

from 15 to 20 kVA

13

ENGLISH

3.4.1 Back-feed protection.

If the UPS does not have an automatic protection device against current back-feed, the operator/installer must
add a warning label to all the mains power disconnecting switches installed at a distance from the UPS area, so
as to remind technicians of the fact that the circuit is connected to a UPS (see the CAUTION section in paragraph
2 of this manual and paragraph 4.5.3. of the EN62040-1-1 2003-11 standard.
The label is supplied with the system.
The back-feed protection device may be built into the system (only on specic request), or may be installed
externally as the UPS has a command for an external remote switch that can be inserted upstream of the UPS:

• If the UPS does have an automatic back-feed switch (only on request), proceed with the connection to the
mains and to the auxiliary power supply unit (if these are separate), as described in paragraph 3.5 of this
manual.

• To install an external back-feed protection device, use the optional card (BKF) to be installed on the terminal
board panel, and an external remote switch that should be installed as close as possible to the UPS area.
For further information on the connection and the type of remote switch, please read paragraph 10.6 of this
manual.

ATTENTION.

The neutral is not disconnected as, even in the event of a single fault on the UPS, it never has high po­tential when the mains and/or auxiliary power supplies are disconnected upstream. This is to prevent
transformation of the power source to the UPS every time there is a power failure.

Should the neutral potential be very high due to certain error conditions or due to installations
downstream (e.g. ground fault not detected and protected, high dispersion of a phase, or the
IT system), it will be necessary to install either devices that disconnect the Neutral or alterna­tively a system that detects, signals and protects against high neutral/ground potential that
could lead to UPS failure.

NOTE.

For equipment with separate Emergency Mains, it must be possible to make the neutral of the Emer-

gency Mains line electrically common with the neutral of the main input feed line.

3.5 INSTALLATION PROCEDURE AND INSTRUCTIONS.

The procedure below should be strictly followed for correct installation:

3.5-1 Set switches Q1, Q2, Q6 to position 0.

Switch o the UPS, remove the power, open the switches
of any external battery cabinets, isolate the system and
wait for 5 minutes before working on the terminal board
or any internal UPS parts.

3

UNPACKING AND INSTALLATION
OF THE UNIT

3.5-1

Q1

Q2

Q6

MASTERYS BC

from 15 to 20 kVA

14

ITALIANOENGLISH

3.5-2 Open the terminal boards protection panel at the back of the UPS by removing the four fastening screws A.

The terminal board shown is the most complete version including all options. In the basic mod­els or in the versions with internal batteries the terminal board has fewer terminals. Refer to
the names of each terminal to identify it during connection. After connection secure the cables
with bands C (gure 3.5-3) to couplings B as shown in the gure 3.5-5.

3.5-3 Connect the ground lead to the terminal with the corresponding symbol. Connect the input cables to
the terminals labelled “MAINS SUPPLY” L1, L2, L3, N (observing the phase cycle direction).

3.5-4 Connect the cables of the separate auxiliary power supply (if present) to the terminals labelled “AUX
MAINS SUPPLY” L11, L21, L31, N1 (observing the phase cycle direction).
In the event of a UPS with 15-20 kVA single-phase output, it is
essential to connect the auxiliary mains to the relative dedicat­ed terminal board. If there is no separate mains for the bypass, it
is advisable to obtain one from the primary mains in one of the
two ways set out below:

• with distribution external to the UPS (gure 3.5-6).

• with a bridge connection (gure 3.5-7).

3.5-8 Connect the output cables to the terminals labelled “OUTPUT”
L12, L22, L32, N2.

3

UNPACKING AND INSTALLATION
OF THE UNIT

N5

L12

L22

L32

N2

EXTERNAL BATTERY

+B2

–B2

–B1

+B1

AUX MAINS SUPPLY

L11

L21

L31

N1

MAINS SUPPLY

L1L2L3

N

8 cm max

3.5-8

L15

L25

L35

N5

POWER SHARE OUTPUT

L12

L22

L32

N2

EXTERNAL BATTERY

+B2

–B2

–B1

+B1

AUX MAINS SUPPLY

L11

L21

L31

N1

MAINS SUPPLY

L1L2L3

N

3.5-4

N2

EXTERNAL BATTERY

+B2

–B2

–B1

+B1

AUX MAINS SUPPLY

L11

L21

L31

N1

MAINS SUPPLY

L1L2L3

N

3.5-7

OUTPUT

L12

N2

EXTERNAL BATTERY

+B2

–B2

–B1

+B1

L11A = L11

N1A = N1

AUX MAINS

SUPPLY

L11A

N1A

L11

N1

MAINS SUPPLY

L1L2L3

N

3.5-6

Mains A

UX Mains

Mains

3.5-2

A

C

3.5-5

B

3.5-3

MASTERYS BC

from 15 to 20 kVA

15

ENGLISH

3

UNPACKING AND INSTALLATION
OF THE UNIT

3.5-9 Connect the external battery cables (if present) to the terminals labelled “EXTERNAL BATTERY” +B2,

-B2, -B1, +B1 (refer to paragraph 3.10); connect the Power Share cables to the terminals labelled “POW­ER SHARE” L15, L25, L35, N5 (the option is available).

3.5-10 Divert any control cables from the front (RS232, signalling relay contacts, etc.) into the appropriate side
cable run A.

3.5-11 Remove the pre-cut detail C and bend details B to pass the cables. Once the cabling has been com-

pleted, secure the terminal board cover with the four screws.

Secure the cables to the couplings D located on the rack as shown in Fig. 3.5-121, ensuring that
the air vents are not obstructed in any way.

Once the cabling has been carried out, secure the UPS with the xing feet E as shown in
Fig. 3.5-13.

3.5-13 NOTE.
If the system is installed on a raised oor (such as in a data processing room):

• leave a space of at least 20 cm between the power and the control cables;

• avoid parallel channelling over long distances, with cables crossing at 90° instead.

3.5-9

EXTERNAL BATTERY

+B2

–B2

–B1

+B1

AUX MAINS SUPPLY

L11

L21

L31

N1

N

3.5-14

A. Power cables
B. Signal cables

3.5-133.5-12

3.5-10 3.5-11

20 cm

90°

A

C

B

A

E

E

A A

B

B

MASTERYS BC

from 15 to 20 kVA

16

ITALIANOENGLISH

3.6 CONNECTION OF THE GENERATOR.

If your system uses a generator, connect the “generator set ready” no-potential contact to connector IN 2 on the
optional ADC card congured in standard or power safe mode (see paragraph 10.1). This automatically extends
the voltage and frequency value range when power is supplied by the generator set.

3.7 EXTERNAL E.S.D. CONNECTION.

A remote emergency shutdown system (E.S.D.) can be installed by means of the optional ADC card; see para­graph 10.1. Connect a normally closed zero-potential contact to terminals IN1+ and IN1- of the ADC card.

3.8 ISOLATION TRANSFORMER.

The MASTERYSTM IP model of the MASTERYSTM range is tted with an internal isolation transformer.
If an external isolation transformer cabinet is required, the following instructions should be followed:

• Refer to chapters 2 and 3 of this manual for indications on moving and installing the cabinet.

• See paragraph 3.4 for details about protections.

• The protection cable marked with the ground symbol is connected directly to the distribution panel.

• The transformer can either be connected to the UPS input or output.

The UPS must not operate without the neutral connection to the input.

The transformer cannot be connected to the output on single UPS unit connected in parallel

conguration.

For details of the connections, refer to the transformer terminal board diagram.

UNPACKING AND INSTALLATION
OF THE UNIT

3

MASTERYS BC

from 15 to 20 kVA

17

ENGLISH

3.9 UPS PARALLEL CONFIGURATION.

3.9.1 General.

Parallel connection enhances UPS reliability, performance and power.
All MASTERYS™ models can be installed in parallel conguration provided they have the special parallel kit that
can be installed in factory or later by specialist personnel.
The UPS units connected in parallel conguration are identical to a standard UPS, as a result safety, shipping
and installation recommendations in chapters 2 and 3 also apply.

3.9.2 Installation.

UPS units operating in parallel (max. 2) are interconnected using control cables B (g. 3.9.4-1). A maximum
distance of approx. 3 metres between the UPS modules is possible using these cables.

3.9.3 Power cable connections.

• The power supply to each unit must be protected as indicated in the table in paragraph 3.4.

• The cross section and length of the input and output cables must be identical for the two units.

• The phase rotation must be the same for each unit connected in parallel and also on any external manual

bypass line.

• Cables of the same length must be used for the distribution connection between the general power switch

A, the switches C and the respective UPS units. The length of the cables from A to each UPS must not exceed
25 meters (Fig. 3.9.4-1).

• The cables from the UPS to circuit breaker F must be of the same length (max. 15 metres).

• If a dierential switch is installed on the mains power switch (optional), it must be inserted upstream from the

distribution panel (see g. 3.9.4-1, detail A), it must be a selective type and the trigger value must be 0.5 A
by the number of UPS connected in parallel.

• The automatic switch A must have a D intervention curve and a current value double that shown in the Mag-

neto-thermal on Auxiliary Mains column in table 3.4.

3.9.4 Control connections.

In order for units connected in a parallel conguration to operate correctly, control cables are required to ex­change data between the various UPS units making up the parallel system for management of correct load
sharing and synchronisation logic.
The cables in question are supplied with the UPS in case of standard parallel setting or are attached to the paral­lel kit in case of later upgrading of the system.
Parallel conguration must only be activated by SOCOMEC UPS qualied personnel.

UNPACKING AND INSTALLATION
OF THE UNIT

3

MASTERYS BC

from 15 to 20 kVA

18

ITALIANOENGLISH

Only activate circuit breaker D after carrying out the procedure describing the paragraph 7.1.4
“switching onto the manual bypass”.

UNPACKING AND INSTALLATION
OF THE UNIT

3

3.9.4-1

25 m max

15 m max

RECOMMENDED PARALLEL CONFIGURATION.

A Main dierential magneto-thermal switch.
B “Parallel bus” cable.
C Single UPS magneto-thermal switch (if a separate auxiliary power source is used,

add a magneto-thermal switch for each UPS).

D External bypass magneto-thermal switch.
E Output switch.
F System shutdown switch.
G Distribution.
H UPS.

A

B

I

H

C

C

E

E

D

F

G

MASTERYS BC

from 15 to 20 kVA

19

ENGLISH

4.1 ON LINE OPERATIONS.

A special feature of the MASTERYS™ series is the “ON LINE” double conversion feature in conjunction with low
distortion mains power absorption. With ON LINE mode, the UPS is able to supply a voltage that is fully stabi­lised in frequency and amplitude, regardless of any interference in the mains power supply within the most
stringent classication of UPS regulations.
ON LINE operation provides three operating modes according to mains and load conditions:

• “Normale” mode.

This is the most frequent operating condition: the energy is drawn from the primary mains power supply and
is converted and used by the inverter to generate the output voltage to power the loads connected.
The inverter is constantly synchronised in frequency with the auxiliary mains to enable load transfer (due to
an overload or inverter shutdown) without any break in the power supply to the load.
The battery charger supplies the energy required to maintain or recharge the battery.

• “Bypass” mode.

In case of inverter failure, the load is automatically transferred onto the auxiliary mains without any interruption
in the power supply. This procedure may occur in the following situations:

- in the event of a temporary overload, the inverter continues to power the load. If the condition persists, the

UPS output is switched onto the auxiliary mains via the automatic bypass. Normal operation, which is from
inverter, returns automatically a few seconds after the overload disappears.

- when the voltage generated by the inverter goes is out of tolerances due to a major overload or a fault on the

inverter.

- wWhen the internal temperature exceeds the maximum value allowed.

• “Battery” mode.

In the event of a mains failure (micro interruptions or extended black-outs), the UPS continues to power the
load using the energy stored in the battery. The Expert Battery System keeps the user constantly informed on
the battery status and on the back-up time available. The disconnection of non mission critical applications
during battery discharge can be programmed (after a certain laps of time) by using the Power Share option,
so that the battery resources can be reserved for the most critical applications.

4.2 OPERATION IN HIGH EFFICIENCY MODE .

The UPS has a selectable and programmable “economy” operating mode that can increase overall eciency by
up to 98% for energy saving purposes. With this mode of operation, specic daily or weekly time intervals can
be selected and programmed to power the applications directly from the auxiliary mains. If the power supply
outage, 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.

• Eco-Mode Operation: the Eco Mode operation provides very high eciency, since the application is pow-

ered directly from the auxiliary mains via the automatic bypass in normal operating conditions.

4

MODES OF OPERATION

MASTERYS BC

from 15 to 20 kVA

20

ITALIANOENGLISH

MODES OF OPERATION

4

4.3 OPERATION WITH MANUAL MAINTENANCE BYPASS.

If the maintenance bypass is activated using the appropriate procedure, the load is powered directly from the
maintenance bypass, while the UPS is separated from the power supply and can be switched o.
This operating mode can be selected for maintenance to be carried out on the system so that the necessary
actions can be performed by service personnel without having to disconnect the power supply to the load.

4.4 OPERATION WITH EXTERNAL MANUAL BYPASS (optional).

The external maintenance bypass may be placed on the general distribution panel when the UPS is installed, or
by installing the bypass panel that is supplied on request. By-pass panel connection diagram.
If the UPS has an input for the auxiliary power supply, the Q2 switch must be connected to this input and the
main power supply input must be disconnected on the control panel.
If the maintenance bypass is activated with the appropriate procedure, the load is powered directly from the
maintenance bypass, while the UPS is separated from the power supply and can be switched o.
This operating mode can be selected for maintenance to be carried out on the system so that the necessary
actions can be performed by service personnel without having to disconnect the power supply to the load.

Q1 Bypass switch.
Q2 Mains power switch.
Q3 Output switch.

4.4-2

Mains

L3

L2

L1

L3

L2

L1

Lo

N

N

Load

IN

UPS

N

Lo

N

OUT

3-phase input/1-phase output for UPS 3/1.

Bypass panel connection diagram.

4.4-1

Mains

L3

L2

L1

L3

L2

L1

L1

N

N

Load

IN

UPS

N

L1
L2 L2
L3 L3

N

OUT

3-phase input/3-phase output for UPS 3/3.

Q1

Q2

Q3

Q1

Q2

Q3

MASTERYS BC

from 15 to 20 kVA

21

ENGLISH

MODES OF OPERATION

4

4.5 OPERATION IN GE CONFIGURATION.

MASTERYS™ can be operated in conjunction with a generator (GE).
With a generator, the frequency and voltage ranges of the auxiliary mains can be increased to accept the in­stability of the GE and at the same time to avoid operation from the battery or risks of out-of-synchronisation
switching onto the bypass.

MASTERYS BC

from 15 to 20 kVA

22

ITALIANOENGLISH

5

ACCESS TO CONTROLS
AND COMMUNICATION INTERFACES

This chapter identies the electromechanical switches, described below,
and used for start-up, shutdown and maintenance bypass procedures.

Access to the control area is from the front by opening the upper door
using the red handle as shown in gure 5-1. The control area also
contains the communication interface connectors and the slots for
the optional signalling cards. Please refer to the relevant chapter for
more details on the connection and use of the related communication
interfaces/cards.

5.1 IDENTIFYING THE SWITCHES AND INTERFACES.

5-1

5.1-1

B

MAINS

0

2

1

OUT

Conguration with common mains.

Legend.

B Internal batteries
C1 Serial connector RS232/485
S Mimic panel
S1 Options slot 1
S2 Options slot 2
Q1 Battery switch (for internal batte-

ries)

Q2 Input circuit breaker
Q6 Output disconnecting switch

(E.S.D.)

B

MAINS

AUX MAINS

0

2

1

OUT

Conguration with separate mains.

Q6

Q2

Q1

S1

S

S2

C1

Q2 Q6

Q1

Q2 Q6

Q1

MASTERYS BC

from 15 to 20 kVA

23

ENGLISH

5

ACCESS TO CONTROLS
AND COMMUNICATION INTERFACES

5.2 FUNCTIONS OF THE SWITCHES FOR THE 10-40 kVA RANGE.

Input switch Q2.

The input switch provides the primary power supply to the UPS.
In normal operating conditions it should be in position 1 ON.
The position 0 OFF will cause the batteries to discharge.
In a conguration with separate mains, the switch only interrupts the rectier power supply.

Output disconnecting switch Q6.
The disconnecting switch Q6 has three positions with the following functions:

• Position 1 “UPS”: this is the position for normal operation of the UPS for a continuous power supply to the
load;

• Position 2 “MANUAL BY-PASS”: This position should only be selected for ordinary or extraordinary mainte-
nance operations (manual bypass); the load is connected directly to the mains power supply. It may be used
in the event of a UPS failure to power applications from the auxiliary mains while awaiting the intervention of
technical personnel;

• Position 0 “OFF”: This completely isolates the UPS output by removing the voltage from the applications in
any operating condition. It is used for the emergency shutdown of the system (internal E.S.D.).

Battery switch Q1 (UPS batteries).

When closed, this switch connects the batteries of the UPS to the DC/DC converter stage to power the inverter

in the event of a mains failure. The normal operating position is 1 (closed).

MASTERYS BC

from 15 to 20 kVA

24

ITALIANOENGLISH

6

MIMIC PANEL

6.1 BASIC MIMIC PANEL.

The LCD mimic panel (gure 6.1-1) located on the upper part of the UPS provides all the information on operat­ing status, electrical measurements, access to controls and conguration parameters.

The information is grouped into four sections:

A. LEDs that identify the subsets and the energy ow;

B. Multicoloured light bar that identies the condition of the power supply to the load;

C. Alphanumeric information that uses a menu layout to provide details on any alarms that may occur and on

the measurements, controls and parameters.

D. Use of the buttons:

· ESC: exit from the current menu/parameter/action;

· UP : scrolls the available menus/values upwards. It increases the value each time it is pressed when

changing a parameter;

· DOWN : scrolls the available menus/values downwards. It decreases the value each time it is pressed
when changing a parameter;

· ENTER: enters the menu displayed on the screen to conrm the choice/changes made.

6.1-1

A

B

C

D

MASTERYS BC

from 15 to 20 kVA

25

ENGLISH

6

MIMIC PANEL

6.1.1-1

6.1.1 Meaning of LEDs.

LED L1 - GREEN:

• On: Rectier and Battery charger on

• Flashing: Rectier alarm

• O: No input mains present

LED L2 - YELLOW:

• On: Operation from battery -
battery test

• Flashing: Battery section alarm

• O: Battery charged

LED L3 - GREEN:

• On: Inverter on

• Flashing: Inverter failure or fault

• O: Inverter o or power supply
from automatic bypass

LED L4 - GREEN:

• On: Auxiliary input mains present
and ok

• Flashing: Auxiliary input mains out
of tolerance

• O: Auxiliary input mains not
present

LED L5 - YELLOW:

• On: Output on automatic bypass
mode

• Flashing: General bypass alarm

• O: Power supply from inverter

LED L6 - GREEN:

• On: Output powered

• Flashing: By pass general alarm
Inverter failure or fault

• O: Load not powered

LED L7 - RED:

• On: Activation code alarm -
Maintenance

• Flashing: General alarm

• O: No alarms

L2L1 L3

L4

L5

L6

L7

MASTERYS BC

from 15 to 20 kVA

26

ITALIANOENGLISH

Meaning of the status light bar

Colour Condition displayed

RED ashing Imminent shutdown alarm (the load will be disconnected in a few minutes)
RED Load not powered or battery circuit open
YELLOW ashing Alarm indicating request for ordinary maintenance after over 25.000-30.000 hours of operation

according to conditions of use (type of load, temperature), (L7 ashing and alarm A44) UPS in
stand by

YELLOW Load on battery or battery discharging if LED 2 is on steady
YELLOW On automatic bypass if LED 5 is on steady
YELLOW End of First maintenance period (10.000 hours) UPS in maintenance mode
GREEN ashing Battery Test in progress
GREEN Load powered by the inverter or in high eciency mode

6.1.2 Meaning of the status light bar.

The light bar B (gure 6.1-1)provides an immediate indication of the condition of the power supply to the load:

• Red: power supply not present or shutdown imminent.

• Yellow: power supply present but unstable or temporary.

• Green: power supply sure and regular.

6

MIMIC PANEL

6.1.3 Display menu.

This paragraph describes the menus available on the mimic panel and their functions.
The displays are organised into menus and submenus as shown in the gure:

• to access a menu press the ENTER key

• to return to the higher level press ESC key

• Use the UP and DOWN keys to scroll the information available at a particular level.

MAIN 1 ALARMS

2 MEASUREMENTS

3 COMMANDS

4 PARAMETERS

5 SERVICE

3.1 IMMEDIATE COMMANDS

3.2 EXTENDED COMMANDS

4.1 UPS CURRENT DATA

5.1 UPS SETTING

5.2 CIM ALARMS CODE

5.3 WARRANTY CODE

MASTERYS BC

from 15 to 20 kVA

27

ENGLISH

6

MIMIC PANEL

6.1.3.1 “Alarms” menu

This menu displays all the alarms that are active at the time of access. The alarms menu is activated automati­cally when an alarm condition occurs.

ALARMS menu

Code Mimic panel message Description

A00 GENERAL ALARM At least one alarm is present
A01 BATTERY ALARM Battery circuit failure or faulty operation.
A02 OUT OVERLOAD Power required in output over the limits.
A06 VAUX OUT OF TOL The voltage or frequency limits accepted by the bypass have been exceeded.
A07 OVER TEMPERATURE Temperature excessive or ventilation problems.
A08 MAINTEN. BY-PASS Active bypass procedure
A17 IMPROPER USE Improper conditions of use veried (load, mains, temperature).
A18 OVERLOAD OFF INV Inverter shutdown due to overload.
A20 WRONG CONFIG Error in the conguration parameters (e.g. dierent between several UPS units

in parallel).
A22 MAINS OUT OF TOL The voltage or frequency limits accepted by the rectier have been exceeded
A23 RECTIFIER ALARM Rectier fault
A25 INVERTER ALARM Inverter fault
A26 BATT CHARGER ALM Battery charger fault
A29 BY-PASS ALARM Bypass fault
A30 OVERLOAD STOP The duration of the overload has inhibited the bypass.
A38 EXTERNAL ALARM 1 Signalling from ADC input
A39 EXTERNAL ALARM 2 Signalling from ADC input
A40 EXTERNAL ALARM 3 Signalling from ADC input
A41 EXTERNAL ALARM 4 Signalling from ADC input
A42 E-SERVICE ALARM Alarm that generates automatic sending of a signal to the support centre

(if the service has been activated)
A43 REDUNDANCY LOST The power required by the load no longer allows the preset redundancy N+x

(signalling for UPS units in parallel) to be maintained.
A44 SERVICE CHECK Notication that the periodic service check is overdue
A49 BATT. DISCHARGED The energy available in the battery has been used up.
A51 OPTIONAL BOARD ALM Fault in the optional cards in the slots.
A58 ESD ACTIVATED The remote emergency shutdown command has been activated.
A59 BATTERY CIRCUIT OPEN The battery switch is open.
A60 FAN FAILURE Fans faulty or blocked
A61 PHASE ROT FAILURE Wrong phase cycle direction

MASTERYS BC

from 15 to 20 kVA

28

ITALIANOENGLISH

MIMIC PANEL

6

6.1.3.2 “Measurements” menu

This menu is used to display all the measurements relating to the UPS input, output and to the battery. For
models with single phase input or output, the voltage and current displays are adjusted automatically.

MEASUREMENTS menu

Type of measurements Value Value Value Note

OUTPUT VOLTAGE ___ V ___ V ___ V Output voltage
OUTPUT LOAD __ % __ % __ % Output load percentage
OUT ACTIVE PWR __._ kW Output active power
OUTPUT FREQNCY __._ Hz Output frequency
AUX VOLTAGE ___ V ___ V ___ V Auxiliary mains voltage
AUX FREQUENCY __._ Hz Auxiliary mains frequency
INPUT VOLTAGE ___ V ___ V ___ V Input mains voltage
INPUT FREQUENCY __._ Hz Input mains frequency
BATTERY VOLTAGE B+___ V B-___ V Battery voltage
CAPACITY __ % Battery capacity percentage during charging
BACKUP TIME T___MIN Backup time during battery discharge
ENVIRON. TEMP __ °C Internal temperature

6.1.3.3 “Commands” menu

This used to send immediate commands for start-up/shutdown/reset alarms to the UPS and to select the oper­ating mode. Commands can also be sent for diagnostic purposes by means of the extended commands menu
(if enabled in the congurations menu). The command is activated by selecting it with the UP e DOWN
keys, press ENTER, conrm YES or NO, then press ENTER.

IMMEDIATE COMMANDS menu

Command Description

START PROCEDURE UPS start-up command
STOP PROCEDURE UPS shutdown command
HIGH EFF. MODE High eciency mode:

activates the energy saving
feature

NORMAL MODE Activates normal double
conversion operation

ALARM RESET Resets all the alarms
LED TEST Performs the test on the mimic
panel LEDs

EXTENDED COMMANDS menu

Command Description

BATTERY TEST Activates the battery test to
check battery eciency

FORCED ON BY PASS Activates the switch over
to the static bypass.
This procedure is necessary
when the manual bypass is
used.

DISABLE CHECK UP Disable the message of perio
dically maintenance

6.1.3.4 “Parameters” menu

Provides the display of the parameters set for the UPS.

UPS CURRENT DATA menu

Message Description

MASTERYS 3/3 12KVA Displays the size, input and output phases conguration and the serial number of UPS
SN. 0000000000

UC FW. REVISION Identies the software release of microprocessor
RV 000 CKS: 0000

DSP FW. REVISION Identies the software release of DSP
RV 000 CKS: 0000

MASTERYS BC

from 15 to 20 kVA

29

ENGLISH

6

MIMIC PANEL

6.1.3.5 “Service” menu

This is used to change the conguration parameters, insert the warranty activation code and display the service
code.

“UPS SETTINGS” menu

This is used to change the conguration parameters. Access is via the password MAST which is keyed in by
using the UP e DOWN keys and ENTER to go on to the next letter.

UPS SETTINGS menu

Parameter Description Allowed values

SET OUTPUT VOLTAGE Sets the required output voltage value 208/220/230/240 V
SET OUTPUT FREQUENCY Sets the required output frequency value 50/60 Hz
SET MODE CONVERTER Sets whether the UPS has to operate as a frequency converter YES/NO

WARNING!

Set only on UPS with mains power (MAINS) and auxiliary mains (AUX MAINS) separated
and with the auxiliary mains (AUX MAINS) disconnected!
Do not set on UPS with common mains lines as it could damage the load!

SET MODE AUTORESTART Sets whether the UPS has to restart automatically after shutdown YES/NO
due to minimum battery

SET BATTERY AVAILABLE Set if battery are present YES/NO
if YES:

- SET BATTERY TYPE Selects the type of batteries used Sealed

- SET BATTERY CAPACITY Sets the battery capacity in Ah 9,5 – 1000 Ah

- SET CHARGER TYPE Selects the type of recharge required Auto, Float, int.

- SET BATTERY ELEMENTS Set the number of battery elements 90 - 108

- SET BATT_TEST PERIOD Sets how often to perform the battery test 0, 30, 60, 90, 120,150.180
(zero do not perform the test) in days

SET BACKFEED TYPE Sets the type of backfeed protection Disable , 1.BYPASS ,

2.ByPass-Input alone,

3.ByPass-Input common
SERIAL LINK Inserts the serial communication parameters:

Serial Link Baud Rate

1200/2400/4800/9600/14.4

Serial Link Parity odd/even/none
Serial Link Bit Number 8-9
Serial Link Stop Bits 0-1

When the data is conrmed, the serial connection automatically changes the conguration
without having to switch o the UPS.

JBUS SETTING SLAVE NR. Sets the mimic panel jbus node 1/32
When the data is conrmed, the serial connection automatically changes the conguration

without having to switch o the UPS.
DATE SETUP Sets the date GG/MM/AA
TIME SETUP Sets the time HH:MM
SYN EXT CMDS ENABLED Enables/Disables the mimic panel extended commands YES/NO
REMOTE CMDS ENABLED Enables the transmission of commands from external systems YES/NO
SET BUZZER Enables/Disables the buzzer YES/NO

MASTERYS BC

from 15 to 20 kVA

30

ITALIANOENGLISH

MIMIC PANEL

6

“CIM Alarms Code” menu.

This displays the service code to be sent to the support service to make an accurate and rapid diagnostic of the
possible failure.
In the event of a fault, select the menu SERVICE > CIM ALARMS CODE and inform the support centre of the
code displayed..

ALARMS CODE 1/2

1) 0000 2) 0000

ALARMS CODE 2/2

3) 0000 4) 0000

An error message is displayed if the code is incorrect. Check that the code displayed corresponds to the one
provided by the Support Centre and repeat the procedure.

“Warranty Code” menu.

During activation of the equipment a warranty activation code, made up of four characters, is requested to
complete the start-up procedure.

5.3 WARRANTY CD
ENT PROCEDURE

The activation code is provided directly by the reference Support Centre upon communication of the serial
number of the equipment which is displayed in the next message by pressing ENTER.

WARRANTY CODE
SN: 0000000000

Inserting the code does not limit the availability of the equipment’s functionality.
When contact is made with the Support Centre for the activation code, detailed information can be obtained
on the UPS functions available and on the periodic preventive maintenance programmes.

Once the code is obtained, enter it by pressing ENTER to activate the entry (two asterisks will appear). Select
the rst character with the UP and DOWN keys and conrm with ENTER to accept the character. Then
move on to the next character. Pressing the ENTER key after selecting the fourth character activates code.

WARRANTY CODE
ENT CODE - - - -

MASTERYS BC

from 15 to 20 kVA

31

ENGLISH

7

OPERATING PROCEDURES

This chapter denes the operating procedures to be followed to activate and manage the UPS.

For UPS units in parallel.
Carry out the procedures on all UPS units before going on to the next operation.
Each procedure should be carried out on all UPS units within 30 seconds..

7.1 OPERATING PROCEDURES.

7.1.1 Start-up in normal mode.

• Set switch Q1 and/or the external batteries switches to position 1
(battery circuit closed).

• Apply voltage to the UPS.

• Set switch Q2 to position 1 (input mains ON).

• Wait for the mimic panel to start up.

• Activate the start procedure from the commands menu on the mimic
panel.

• Set disconnecting switch Q6 to position 1 (continuous output).

• The load is now powered and protected by the UPS.

7.1.2 Shutdown.

Shutdown interrupts the power supply to the load and stops the UPS and the battery charger.

• Activate the stop procedure from the COMMANDS menu on the mimic panel, wait approx. 2 minutes for
shutdown (the controlled shutdown of any servers is managed via the shutdown software).

• Set disconnecting switch Q6 to position 0 (inverter in output OFF).

• Set switch Q1 and/or battery switches to position 0 (battery circuit open).

• Set switch Q2 to position 0 (input mains OFF).

7.1.3 Extended out of service.

In the event of an extended period of UPS inactivity, the batteries must be recharged every three months.

• Set switch Q1 and/or the external battery switches to position 1 (battery circuit closed).

• Apply voltage to the UPS.

• Set switch Q2 to position 1 (input mains ON).

• Set or keep disconnecting switch Q6 to position 0 (inverter in output OFF).

• The battery must be charged for at least ten hours.

• After ten hours:

• Set switch Q1 and/or battery switches to position 0 (battery circuit open).

• Set switch Q2 to position 0 (input mains OFF).

• The UPS can be switched o.

3.5-1

Q1

Q2

Q6

MASTERYS BC

from 15 to 20 kVA

32

ITALIANOENGLISH

OPERATING PROCEDURES

7

7.1.4 Switching onto manual bypass.

Switching onto the manual bypass creates a direct connection between the UPS input and output, completely
excluding the equipment control part.
This operation is performed in the event of ordinary maintenance on the equipment, so as not to remove the
power supply from the load, or in the event of a serious failure while waiting for the equipment to be repaired.

• From the mimic panel set the HIGH EFFICIENCY MODE command from the COMMANDS > IMMEDIATE
COMMANDS menu.

• Wait for the command to be executed (bypass line on the M1 display on). If this does not take place, suspend
the operation (the auxiliary mains is not suitable for the load).

• Set disconnecting switch Q6 to position 2.

• Set switch Q1 and/or battery switches to position 0 (battery circuit open).

• Open the switch Q2.

If there is an external manual bypass, carry out the procedure described above before activat­ing this switch.

7.1.5 Return to normal mode.

• Set switch Q2 to position 1 (input mains ON).

• Set switch Q1 and/or the external battery switches to position 1 (battery circuit closed).

• Activate the start procedure from the commands menu on the mimic panel.

• From the mimic panel set the HIGH EFFICIENCY MODE command from the COMMANDS > IMMEDIATE
COMMANDS menu.

• Check that alarm A06 is not present (if the alarm is present, resolve the problem before continuing).

• Set disconnecting switch Q6 to position 1 (inverter in output ON).

If there is an external manual bypass, put the switch to position OFF.

• From the mimic panel set the NORMAL OPERATION command from the COMMANDS > IMMEDIATE COMMANDS
menu.

7.1.6 Emergency shutdown (ESD).

Should it be necessary to interrupt the continuous power supply provided by the UPS quickly (emergency
shutdown), this can be done by putting disconnecting switch Q6 to position 0 (zero) or, where applicable, by
activating the emergency button/switch connected to the ADC PCB.

The UPS output can only be electrically disconnected by means of Q6.
If the UPS is operating from the manual bypass with mains present, shutdown by means of the
emergency button does not interrupt the power supply to the load. In emergency conditions
all the power supply sources upstream of the UPS must be disconnected.

MASTERYS BC

from 15 to 20 kVA

33

ENGLISH

8

COMMUNICATION

8.1 MULTI-LEVEL COMMUNICATION.

MASTERYS™ is able to manage a variety of serial, contact and Ethernet communication channels simultane­ously.
The various cards and signalling accessories are inserted in the two standard communication slots. This gives
MASTERYS™ immediate interfacing and integration exibility as soon as the unit is installed with no need for
trained personnel.
The table below lists the possible connections between the communication channels and external devices.

As each channel is independent, simultaneous connections can be made to satisfy the dierent levels of signal­ling and remote monitoring.
See the options paragraph to access the detailed functions of the cards installed in the slots..

Please note that two Net Vision cards cannot be connected simultaneously.

8.1-1

345 2 1

89 7 6

Legend pin RS232/485 C1

1 Not connected
2 RX for RS232
3 TX for RS232
4 Data +
5 GND for RS232

6 Data −
7 Reserved
8 Not connected
9 +12 V

3 communication levels

Slot 1 Slot 2 RS 232/485

ADC card • •

NetVision

2

card • •
UniVision pro •
Remote Panel •

BMS

1

•

1

Building Management System.

2

Ethernet adapter with Web/SNMP 10/100Mb functions

(required for E-service via Web)

MASTERYS BC

from 15 to 20 kVA

34

ITALIANOENGLISH

8

COMMUNICATION

8.2 ACCESSORIES AND SW OPTIONS.

A large number of SW solutions can be adopted on MASTERYSTM thanks to its advanced communication facili­ties. These solutions have been specially designed for the ecient management of power protection devices.

UNI VISION PRO is the solution for managing a UPS connected to the local
server via RS232 interface or via LAN network. It is normally used at depart­mental level to automatically shutdown the systems and ensure secure control
of the UPS that in turn protect servers and workstations.
The main functions are:

• Graphic monitoring of the UPS via web browser

• Local shutdown of a server connected via serial interface

• Remote shutdown via proxy agent and optional Java shutdown clients

• Notication of anomalies via e-mail to a maximum of 8 addresse.

NET VISION is a solution for managing UPS units connected directly to the
local network. It is normally used on medium/large, complex networks and
in multi-server environments where the IT manager centrally controls all the
network resources. The physical position of the UPS is not signicant.
The main functions are:

• 10/100Mb Ethernet connection (RJ45)

• Graphic monitoring of the UPS via web browser

• Remote shutdown of up to 40 computers

• Notication of anomalies via e-mail to a maximum of 8 addresses

• UPS management using SNMP protocol

• Diagnostics via Internet oered by e-Service.

Java & .NET shutdown Client (JNC) is an optional Java application to be in­stalled on a server for the automatic shutdown of the computers on the network
before the UPS stops due critical operating conditions (imminent battery failure,
overload, etc.). It is supplied as an option and can be associated to the UNI VI­SION PRO or NET VISION communication solutions.
The main features/functions are:

• Use of the TCP/IP standard network protocol

• Graphics interface for easy conguration

• Minimum use of CPU resources

• Personalisation of shutdown parameters and script

• Continuous monitoring of the eciency of the connection to the UPS.

MASTERYS BC

from 15 to 20 kVA

35

ENGLISH

8

COMMUNICATION

T.SERVICE This is a cutting edge supervision service ensuring 24 x 7 service.
It ensures eective prevention and constant monitoring of the system.
Communication between the UPS and the local technical support centre
is via Internet with the help of NetVision (via the mail-server on the same
network).
Any emergency situation is managed and resolved extremely quickly and
remotely by the Support Centre, with immediate intervention on site if
needed.
The auto-diagnostic system analyses UPS operating conditions, identies
faults and monitors environmental conditions such as temperature, over­load, etc, avoiding the risk of equipment stoppages. In the event of a failure,
the system immediately sends a diagnostic report via e-mail or modem to
the support centre.

MASTERYS BC

from 15 to 20 kVA

36

ITALIANOENGLISH

PROBLEM SOLVING

9

The alarm messages displayed enable an immediate diagnosis.
Alarms are divided into two categories:

• alarms related to the UPS external circuits, (input mains, output mains, temperature and environment).

• alarms related to the UPS internal circuits. In this case, the corrective actions will be carried out by the After
Sales Department.

9.1 SYSTEM ALARMS.

• A02: output overload.

The power required by the loads is higher than the power available.
Check that the load is well balanced on the three phases by checking the measurements on the display. If
needed, disconnect any loads that do not need uninterruptible power.

Important!
The accepted overload time limit is dened in the technical specications. When this time limit is exceeded,
the loads will no longer be powered by the inverter.

• A06: auxiliary mains out of tolerance.
The auxiliary mains supply exceeds the acceptable tolerance values. Possible causes are:

• No voltage or frequency present or voltage and frequency out of acceptable values (see the technical speci-

cations).

• The frequency is subject to continuous variations (typical with power supplied from an incorrectly sized GE).

• A07: temperature over the limits.

The technical plant temperature is higher than the maximum value recommended.
Check the ventilation or air conditioning system in the UPS room.

• A08: maintenance bypass activated.

The output disconnecting switch Q6 is in position 2 (maintenance bypass). The load is therefore powered
directly by mains power supply. See Chapter 7.1.4.

• A17: improper conditions of use.

This alarm does not indicate a malfunction or failure of the UPS, but an incorrect use/sizing of the system. It
is activated in the event of:

• Operation for long periods at high temperatures (battery deterioration)

• High number of overloads (wrong sizing)

• Continuous battery discharging (mains not stable)

• High number of switches onto the bypass (high impulsive loads).

• A22: input mains out of tolerance.

The input mains is not present or not sucient (voltage and/or frequency values incorrect with reference
to the technical data); if there is no input mains outage, check if no protections upstream of the UPS have
tripped.
Check that the voltage applied and frequency values are in compliance with the values set on the mimic
panel.

MASTERYS BC

from 15 to 20 kVA

37

ENGLISH

9

PROBLEM SOLVING

• A38, A39, A40, A41: external alarm 1, 2, 3, 4.

One of the ADC card inputs has been activated; check the situation of the devices connected to this card.

• A56, A57: generator general alarm.

The generator has sent an alarm; check directly on the GE.

• A61: wrong phase cycle direction.

The phase cycle sequence is incorrect. In this case, invert two phases of the input mains. For a UPS with sepa­rate auxiliary mains, exchange the two phases of the auxiliary mains only.

9.2 UPS alarms.

• A01: battery alarm.

Failure or problem on the battery circuit. Check that the battery switch is closed.

• A18: inverter blocked due to overload.

Reduce the load rate applied to the UPS and reset the alarms.

• A20: wrong conguration.

Error in the conguration parameters; contact the support service.

• A30: block due to overload.

Reduce the load rate applied to the UPS and reset the alarms.

• A42: T.Service general alarm.

MASTERYS™ products can be remotely serviced. This alarm indicates that a procedure for analysing the UPS
failure has been activated by the support centre (if an e-service contract has been concluded).

• A44: programmed control.

The equipment has to undergo periodic checks by the support service in order to ensure optimum perform­ance and eciency. If the “Programmed Control” signal appears on the mimic panel, the equipment should
be inspected by a technician trained accordingly.

• A59: battery circuit open.

Battery switch open.

• A60: fan failure.

Fault in the ventilation system; check that the air inlet at the front and the air outlet at the back of the UPS
are not obstructed.

MASTERYS BC

from 15 to 20 kVA

38

ITALIANOENGLISH

9.3 PREVENTIVE MAINTENANCE.

We would like to inform you that specialised periodic maintenance (with yearly frequency) is recommended for
the MASTERYS™, in order to oer optimum operating eciency and avoid downtime of the equipment.
It is strongly recommended to give due consideration to any requests for preventive maintenance automati­cally displayed with alarm message A44 (refer to paragraph 6.1.3.1).
All operations on the equipment must be only carried out by SOCOMEC UPS personnel or by authorised sup­port personnel.
Maintenance consists of accurate functional checks on electronic and mechanical parts with replacement of
parts subject to wear if necessary (typically batteries, fans and capacitors).

9.3.1 Batteries.

The state of the battery is fundamental to UPS operation.
Thanks to the Expert Battery System, the information relating to the state and the conditions of use of the
battery are processed in real time and the recharging and discharging procedures are selected automatically in
order to optimise battery life expectancy and oer maximum performance.
Furthermore, during the operating life of the battery, MASTERYS™ stores statistics on the conditions of use of
the battery for analysis.
Since the expected life of the batteries is very much dependent on operating conditions (number of charging
and discharging cycles, load rate, temperature), a periodic check by authorised personnel is recommended.

When replacing the batteries, use the same type and conguration by placing them in the ap­propriate containers so as to avoid the risk of acid leakage.
The replaced batteries must be disposed of at authorised recycling and disposal centres.
Do not open the plastic cover of the batteries as they contain harmful substances.

9.3.2 Fans.

The life of the fans used to cool the power parts is dependent on the using and environmental conditions
(temperature, dust).
Preventive replacement by an authorised technician is recommended within four years (in normal operating
conditions).

When needed, fans should be replaced as per specications by SOCOMEC UPS.

PROBLEM SOLVING

9

MASTERYS BC

from 15 to 20 kVA

39

ENGLISH

9

PROBLEM SOLVING

9.3.3 Capacitors.

The equipment houses electrolytic capacitors (used in the rectier and inverter section) and ltering capacitors
(used in the output section), whose life is dependent on using and environmental conditions.
The average expected life of these components is shown below:

• Electrolytic capacitors: 5 years;

• Filtering capacitors: 7 years.

In any case the eective state of the components is veried during preventive maintenance.

MASTERYS BC

from 15 to 20 kVA

40

ITALIANOENGLISH

10

OPTIONS

10.1 ADC CARD.

This card can be congured to control up to four outputs that are normally closed or normally open and up to
three digital inputs. A maximum of two cards can be installed on each unit. The card must be inserted in slot
S1 or S2 (see paragraph 5.1).

10.1-1

A

2

3

4

1

OUT

OUT

0 1 2 P3

C2 NO2 NC2 IN1- IN1+ IN3- IN3+ C3 NO3 NC3

C1 NO1 NC1 IN1- IN1+ IN2- IN2+ C4 NO4 NC4

Up to four operating modes can be selected using the two DIP switches 1 or 2.

• The lter level indicates:
1 immediate activation (1 second minimum communication time) - 2 10 s delay - 3 30 s delay.

Mode 1 - STANDARD conguration

Position IN/OUT Description Filter
dip1 dip2 level

OFF OFF Out 1 General Alarm 2
OFF OFF Out 2 Battery discharging 3
OFF OFF Out 3 Battery low or 2

imminent stop
OFF OFF Out 4 UPS on by-pass 2
OFF OFF In 1* E.S.D. 1
OFF OFF In 2 Supply from GenSet 1
OFF OFF In 3 Isolation controller 2

Mode 2 - POWER SAFE conguration

Position IN/OUT Description Filter
dip1 dip2 level

ON OFF Out 1 General Alarm 2
ON OFF Out 2 Power safe plug 1 2
ON OFF Out 3 Power safe plug 2 2
ON OFF Out 4 Power safe plug 3 2
ON OFF In 1* E.S.D. 1
ON OFF In 2 Supply from GenSet 1
ON OFF In 3 Management of 1

energy consuption

Mode 3 - SAFETY conguration

Position IN/OUT Description Filter
dip1 dip2 level

OFF ON Out 1 General Alarm 2
OFF ON Out 2 E.S.D. activation 1
OFF ON Out 3 Battery low or 2

imminent stop
OFF ON Out 4 E.S.D. activation 1
OFF ON In 1* E.S.D. 1
OFF ON In 2 External alarm A39 2
OFF ON In 3 External alarm A40 2

Mode 4 - ENVIRONMENTAL conguration

Position IN/OUT Description Filter
dip1 dip2 level

ON ON Out 1 General Alarm 2
ON ON Out 2 Over-heating 2
ON ON Out 3 Overload / 2

Loss of redundancy
ON ON Out 4 External alarm In2 2
ON ON In 1* E.S.D. 1
ON ON In 2 External alarm A39 2
ON ON In 3 External alarm A40 2

*

if the external E.S.D. button is not used, always insert a jumper to short circuit input IN 1 (Figure 10.1-1).

OUT1

IN2

OUT4

OUT2

OUT3

IN3

DIP1 2

IN1

MASTERYS BC

from 15 to 20 kVA

41

ENGLISH

10

OPTIONS

Intervention of the E.S.D. input switches o the UPS output.
To restore the UPS to operation:

• Close the E.S.D. contact on “In 1” on the ADC board.

• Give the reset alarms” command.

• Run the start procedure

10.1.1 ADC card installation.

• Set the operating mode by means of the DIP switches 1 and 2

• If the external ESD contact is not used, check that there is a jumper between pins IN1+ and IN1-. If there is no
jumper, the UPS cannot be started when the card is inserted in the slot.

• Connect the signal cables to the card terminals

• Insert the card in a free slot

• Secure the card with the appropriate screws.

10.1.2 Electrical data.

• Admitted Nominal current and voltage of NO or NC contacts: 2 A 250 Vac depending on the terminal used.

• Inputs are activated on loop closing.

10.2 ISOLATION CONTROLLER.

This device continually checks the transformer isolation, displaying an alarm message on the mimic panel.

Description of signals

Message on the mimic panel Description

General Alarm General alarm contact output:

• No Alarm:

- NO contact: closed

- NC contact: open

• Alarm:

- NO contact: open

- NC contact: closed
Battery discharging Battery discharging contact output
Battery Low or Imminent stop Battery low voltage and imminent shutdown contact output
UPS on bypass UPS on bypass contact output
E.S.D. Contact input for emergency shutdown device
Supply from GenSet. Generator ready signal input
Isolation controller Isolation leakage controller signal input
Power safe plug 1 Non privileged load 1 command output activated by overload or loss of redundancy
Power safe plug 2 Non privileged load 1 command output activated by battery discharging
Power safe plug 3 Non privileged load 1 command output activated by battery low
Management of energy Input for the battery to help providing energy in the event of peak consumption

consumption
E.S.D. activation Shutdown for E.S.D. contact output
Over-heating Internal over-heating contact output
Overload/Loss of redundancy Overload / loss of redundancy contact output

MASTERYS BC

from 15 to 20 kVA

42

ITALIANOENGLISH

OPTIONS

10

10.3 REMOTE MIMIC PANEL.

This device monitors and interacts with the UPS through
a serial link RS 485 (maximum distance of 175 m) 25 m
cable supplied standard; 50 m cable available as an op­tion). Connect the RS485 cable supplied onto port C1
of the unit (see gure 5.1-1). Refer to the relevant user
manual for instructions on how to use the device.

10.4 POWER SHARE.

10.4.1 General information.

The POWER SHARE function can be used to pro­gramme the supply of energy to the loads connected to the POWER SHARE terminal board via the mimic panel
or the NET-VISION option (Network Integrator).
The loads powered from this plug may have a lower priority than the privileged applications connected to the

main plug and may be excluded in critical situations.

10.4.2 Operating modes.

WARNING!

Changing the conguration from “Standard” to “Emergency lights” must be carried out only by

specially trained SOCOMEC UPS sta.

• Standard.

In standard conguration, the load connected to the POWER SHARE plug is disconnected if one of the follow-

ing conditions is veried:

- Mains failure >10 seconds and load rate > 85%.

- Mains failure >30 seconds and “battery low” condition

- In the presence of mains with overload > 15 seconds

• “Emergency lighting”.
In an emergency lighting conguration, the load connected to the POWER SHARE plug operates with inverse
logic, i.e. it is connected if the following condition is veried: Mains power is not present.

According to the EN 50171 standard, the time taken to activate the power share plug is

within 0.5 seconds.

On return of the nominal mains parameters, the plug operating conditions are restored.

If the UPS is out of service, the power share plug nevertheless powers the load connected to

it by operating in permanent conguration.

THE LOAD CONNECTED TO THE POWER SHARE PLUG IS ALWAYS POWERED, REGARDLESS OF

THE CONFIGURATION SELECTED.

Maximum current that can be drawn from the power share terminals: 16 A 250 Vac Ac3 3-phase.

10.3-1

MASTERYS BC

from 15 to 20 kVA

43

ENGLISH

10

OPTIONS

10.5 SEPARATE AUXILIARY POWER SUPPLY.

This allows the use of an auxiliary energy source other than the primary mains power supply in the event of
outage.

10.6 EXTERNAL BACK-FEED PROTECTION.

The UPS systems are designed for the installation of an external device that protects against the back-feed of
dangerous voltages on the power line, or if it is a separate line, on the auxiliary back up power supply line. The
BKF card shown in gure 10.6.1 is used to control the external device. The BKF PCB is installed in the position
shown in g 10.6.2.
Refer to the following paragraphs for details on the electrical connections and on activating the chosen protec­tion.

10.6-1

XC1

XB1

XB3

XB2

10.6-2

L12

L22

L32

N2

EXT. BATTERY

+BNB–B

AUX MAINS SUPPLY

L11

L21

L31

N1

MAINS SUPPLY

L1L2L3

N

XC1

XB1XB2

XC1

XB1

XB2

MASTERYS BC

from 15 to 20 kVA

44

ITALIANOENGLISH

OPTIONS

10

10.6.1 Protection on the separate auxiliary mains.

Activating UPS protection on the mimic panel: access the Congurations menu on the mimic panel (see
the Congurations Menu under the Service Menu section of the manual) and set the BACKFEED TYPE
parameter to 1.BYPASS.

Diagram of Principle.

Legend.

A Distribution panel
B Coil remote switch
L1-L2-L3-N Input power source
L11-L21-L31-N1 Backup power source
M1 Input power terminal board
M2 Backup power terminal board
T1 Remote switch

1

T2 Remote switch

1

Q1 Input power switch
Q2 Backup power switch
XB1 Connector on BKF PCB
XB2 Connector on BKF PCB

10.6.1-1

A UPS

L11

Q2

L21

L31

N1

T2

B

M2

L11

L21

L31

N1

XB1

XB2

BKF card

L1

Q1

L2

L3

N

T1

B

M1

L1

L2

L3

N

UPS 3/3 with separate auxiliary supply.

10.6.1-2

A UPS

Q2

L11

N1

T2

B

M2

L11

N1

XB1

XB2

BKF card

L1

Q1

L2

L3

N

T1

B

M1

L1

L2

L3

N

UPS 3/1 with separate auxiliary supply.

1

Remote switches - rated current

Model T1 T2

15 3/1 32 A AC1 45 A AC1
15 3/3 32 A AC1 32 A AC1
20 3/1 45 A AC1 60 A AC1
20 3/3 45 A AC1 45 A AC1

MASTERYS BC

from 15 to 20 kVA

45

ENGLISH

10.6.2 Protection on a UPS without auxiliary mains supply.

Activating UPS protection on the mimic panel: access the Congurations menu on the mimic panel (see
the Congurations Menu under the Service Menu section of the manual) and set the BACKFEED TYPE
parameter to 3.BYPASS-INPUT Common.

Diagram of Principle.

OPTIONS

10

Note.

The neutral is not disconnected as, even in the event of a single fault on the UPS, it never has high potential
when the mains and/or auxiliary power supplies are disconnected upstream. This is to prevent transformation
of the power source to the UPS every time there is a power failure.
Should the Neutral potential be very high due to certain error conditions or due to installations downstream
(e.g. ground fault not detected and protected, high dispersion of a phase, or the IT system), it will be necessary
to install either devices that disconnect the Neutral or alternatively a system that detects, signals and protects
against high neutral/ground potential that could lead to UPS failure.

10.6.2-1

A UPS

L1

Q1

L2

L3

N

T1

B

M1

L1

L2

L3

N

XB1

BKF card

UPS 3/3 without separate auxiliary supply.

Legend.

A Distribution panel
B Coil remote switch
L1-L2-L3-N Input power source
M1 Input power terminal board
Q1 Input power switch
T1 Remote switch

1

XB1 Connector on BKF PCB

1

Remote switches - rated current

Model T1

15 3/1 32 A AC1
15 3/3 32 A AC1
20 3/1 45 A AC1
20 3/3 45 A AC1

MASTERYS BC

from 15 to 20 kVA

46

ITALIANOENGLISH

TECHNICAL SPECIFICATIONS

11

Models

15 15 20 20

Input/Output phases 3/1 3/3 3/1 3/3

Standards

15 15 20 20

Safety (EN) IEC 62040-1-1, (EN) IEC 60950-1-1*
Type and performance (EN) IEC 62040-3 (VFI-SS-111)
EMC IEC 62040-2, EN 50091-2
Product certication
Protection level IP20 (compliant with 60529), IP21 on request

*TÜV tested

Environment

15 15 20 20

Operating temperature 0÷40 °C (15÷25 °C recommended for longer battery life)
Storage temperature -5÷45 °C
Relative humidity 0÷95% condensation-free
Max. altitude 1.000 m (3.300 ft) without derating; 3.000 m (10.000 ft) max
Acoustic noise (dB) < 55
Required cooling capacity (m3/h) 546
Dissipated power max (W) 1.187 1.187 1.738 1.738
Dissipated power (BTU/h) 4.051 4.051 5.933 5.933

Electrical specications - Input

15 15 20 20

Mains voltage 400 V ±20% (up to -35% @70% of nominal load)
(three phase + neutral)

Input frequency 50/60 Hz ±10%
Input power factor 0,97 (three phase)
THDI < 10%

Electrical specications - Output

15 15 20 20

Output voltage 230 V single phase (selectable: 220/240 V) ±1%
(three phase + neutral) 400 V three phase (selectable 360*/380/415 V) ±1%
Frequency 50/60 Hz ±2% (from 1% to 8% if generator is used)
Automatic bypass nominal output voltage ±15%

(from 10% to 20% selectable if generator is used)
Nominal power (kW) 12 12 16 16

Overload on mains power supply 125% 10 minutes
Crest factor 3:1

Voltage distortion 1% with linear load

*@ 208 V Pout = 90% Pnom

MASTERYS BC

from 15 to 20 kVA

47

ENGLISH

TECHNICAL SPECIFICATIONS

11

Dimensions

444

795

800

444

795

1.000

444

795

1.400

Mechanical characteristics with standard batteries

Model Input/Output kVA Dimensions Weight
(LxPxH mm) (kg)

MAS2BC115S+C1 3/1 15 444x795x800 195
MAS2BC115M+D1 3/1 15 444x795x1.000 235
MAS2BC115M+C2 3/1 15 444x795x1.000 300
MAS2BC115T+C3 3/1 15 444x795x1.400 415
MAS2BC115T+C4 3/1 15 444x795x1.400 520
MAS2BC120M+D1 3/1 20 444x795x1.000 240
MAS2BC120M+C2 3/1 20 444x795x1.000 310
MAS2BC120T+D2 3/1 20 444x795x1.400 390
MAS2BC120T+D3 3/1 20 444x795x1.400 520
MAS2BC315S+C1 3/3 15 444x795x800 195
MAS2BC315M+D1 3/3 15 444x795x1.000 235
MAS2BC315M+C2 3/3 15 444x795x1.000 300
MAS2BC315T+C3 3/3 15 444x795x1.400 415
MAS2BC315T+C4 3/3 15 444x795x1.400 520
MAS2BC320M+D1 3/3 20 444x795x1.000 240
MAS2BC320M+C2 3/3 20 444x795x1.000 310
MAS2BC320T+D2 3/3 20 444x795x1.400 390
MAS2BC320T+D3 3/3 20 444x795x1.400 520

ITALIANO

FRANÇAIS