Figure 30 Wiring diagram and pin assignment of terminal blocks TB1 to TB4

v

NE-1451X cable

 

(or equivalent)

 

H/L FLOAT ALM (1)

 

H/L FLOAT ALM (1)

 

H/L FLOAT ALM (2)

 

H/L FLOAT ALM (2)

 

MIN RECT ALM

To office

MIN RECT ALM

alarm

MAJ RECT ALM

circuit

MAJ RECT ALM

 

 

LVD ALM

 

LVD ALM

 

LOSS OF AC VOLT ALM

 

LOSS OF AC VOLT ALM

Input from DISCH fuse alarm circuits DFA Input from CHG fuse alarm circuits CFA

NE-1451X cable (or equivalent)

 

AUX ALM NO.1 (1)

 

AUX ALM NO.1 (1)

 

AUX ALM NO.1 (2)

 

AUX ALM NO.1 (2)

 

AUX ALM NO.2 (1)

To office

AUX ALM NO.2 (1)

alarm

AUX ALM NO.2 (2)

circuit

AUX ALM NO.2 (2)

 

 

EQUALIZE ALM

 

EQUALIZE ALM

 

HVSD ALM

 

 

HVSD ALM

 

 

To LVD circuit

RLVD

Input alarm from LVD circuit

LVDA

C

NC NO C NC NO C NC NO C NC NO C NC NO C NC NO

C

NC NO C NC NO C NC NO C NC NO C NC NO C NC NO

TB3

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19 20

TB4

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19 20

TB1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

TB2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

NE-1451X cable (or equivalent)

CMINOR VIS (1)

NC

 

MINOR VIS (1)

 

NO

 

 

To small internal

C

BK

ALARM VISUAL (C)

battery return

NC

 

 

NO

 

 

busbar

CMAJOR VIS (1)

NC

 

MAJOR VIS (1)

 

NO

 

 

 

C

G

ALARM VISUAL (NC)

To cabinet

NC

NO

 

MINOR AUD (1)

alarm lamp

C

 

 

NC

 

MINOR AUD (1)

 

NO

 

MINOR AUD (2)

To office

C

 

alarm

NC

 

MINOR AUD (2)

 

circuit

NO

 

 

 

 

 

CMAJOR AUD (1)

NC

MAJOR AUD (1)

NE-1451X cable (or equivalent)

NO

CMAJOR AUD (2)

NC

MAJOR AUD (2)

 

NO

FUSE ALM

 

C

 

NC

FUSE ALM

 

NO

CHG FUSE ALM

 

C

To office

NC

CHG FUSE ALM

alarm

NO

 

 

circuit

C

DISCH FUSE ALM

NC

DISCH FUSE ALM

 

NO

 

 

CH/L VOLT ALM (1)

NC

H/L VOLT ALM (1)

NO

 

CH/L VOLT ALM (2)

NC

H/L VOLT ALM (2)

NO

REMOTE EQUALIZE START Input from office remote circuit

 

Operation 33

Page 39
Image 39
Liebert 1500, 3000, 4000, 6000 A user manual TB3 TB4 TB1 TB2

1500, 6000 A, 4000, 3000 specifications

The Liebert 3000 is a cutting-edge power protection solution designed to provide reliable and efficient backup power for critical applications. This uninterruptible power supply (UPS) system is engineered to safeguard sensitive electronic equipment from power disturbances, ensuring uninterrupted operations in data centers, telecommunications, and industrial environments.

One of the standout features of the Liebert 3000 is its high-efficiency design. With an efficiency rating of up to 94%, the system minimizes energy loss, resulting in lower operational costs and a reduced carbon footprint. This is particularly important in today's environmentally conscious climate, as organizations strive to meet sustainability goals while maintaining top-tier performance.

The Liebert 3000 employs advanced technologies to enhance its functionality. It incorporates online double-conversion technology, which provides a continuous supply of clean and regulated power. This technology ensures that connected loads receive stable voltage and frequency, shielding them from voltage spikes, sags, and outages. Additionally, the UPS offers features such as automatic battery testing, which helps ensure peak battery performance and reliability.

Another key characteristic of the Liebert 3000 is its modular design, allowing for flexible scalability. This means that organizations can easily expand the capacity of their UPS system as their power needs grow, without the need for extensive system overhauls. The modular architecture also facilitates simplified maintenance and reduces downtime, as individual modules can be serviced without interrupting power to the critical load.

The system is equipped with comprehensive monitoring and management capabilities. The Liebert 3000 provides real-time data on power usage, battery status, and system performance, enabling facility managers to make informed decisions and proactively address potential issues. The integration of remote management tools allows for seamless monitoring from anywhere, providing peace of mind for operators.

Overall, the Liebert 3000 combines high efficiency, advanced technology, and flexible design to deliver a robust power protection solution. Its reliability and performance make it a preferred choice for organizations seeking to protect their critical infrastructure while enhancing operational efficiency and sustainability. As businesses continue to rely on technology for their everyday operations, the Liebert 3000 stands out as a dependable safeguard against the uncertainties of power quality.