Installation

4.4CT Table for PBVI Board

Table 2 shows the configuration of large branch circuit breakers and their CT assignments.

Table 2

Wiring configuration of large branch circuit breakers

 

 

 

 

 

 

 

 

 

 

 

 

 

Configuration 1: Four Modules

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector P3 (A)

Pins

 

2

3

 

4

5

 

6

7

 

8

9

 

10

11

 

12

13

 

14

15

16

17

 

18

1

 

 

 

 

 

 

 

 

 

 

Wire Color

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

B

W

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CT

CT1

CT2

CT3

CT4

CT5

CT6

CT7

CT8

CT9

 

 

or IG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector P4 (B)

Pins

 

2

3

 

4

5

 

6

7

 

8

9

 

10

11

 

12

13

 

14

15

16

17

 

18

1

 

 

 

 

 

 

 

 

 

 

Wire Color

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

B

W

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CT

CT10

CT11

CT12

CT13

CT14

CT15

CT16

CT17

CT18

 

 

or IG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Configuration 2: Two Modules With Large Branch Breaker CTs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector P3 (A)

Pins

 

2

3

 

4

5

 

6

7

 

8

9

 

10

11

 

12

13

 

14

15

16

17

 

18

1

 

 

 

 

 

 

 

 

 

 

Wire Color

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

B

W

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CT

LB1

LB2

LB3

LB4

LB5

LB6

LB7

LB8

LB9

 

 

or IG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector P4 (B)

Pins

 

2

3

 

4

5

 

6

7

 

8

9

 

10

11

 

12

13

 

14

15

16

17

 

18

1

 

 

 

 

 

 

 

 

 

 

Wire Color

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

B

W

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CT

LB10

LB11

LB12

LB13

LB14

LB15

LB16

LB17

LB18

 

 

or IG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Configuration 3: Four Modules With Two 5-Wire Subfeed Breaker CTs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector P3 (A)

Pins

 

2

3

 

4

5

 

6

7

 

8

9

 

10

11

 

12

13

 

14

15

16

17

 

18

1

 

 

 

 

 

 

 

 

 

 

Wire Color

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CT

LB1

LB2

LB3

LB4

LB5

 

 

 

 

 

 

 

 

 

IG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Phase

A1

 

B1

 

C1

 

N1

 

 

G1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector P4 (B)

Pins

 

2

3

 

4

5

 

6

7

 

8

9

 

10

11

 

12

13

 

14

15

16

17

 

18

1

 

 

 

 

 

 

 

 

 

 

Wire Color

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CT

LB6

LB7

LB8

LB9

LB10

 

 

 

 

 

 

 

 

 

IG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Phase

A2

 

B2

 

C2

 

N2

 

 

G2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Configuration 4: Four Modules With Three 5-Wire Subfeed Breaker CTs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector P3 (A)

Pins

 

2

3

 

4

5

 

6

7

 

8

9

 

10

11

 

12

13

 

14

15

16

17

 

18

1

 

 

 

 

 

 

 

 

 

 

Wire Color

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

B

W

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CT

LB1

LB2

LB3

LB4

LB5

LB11

LB12

 

 

 

IG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Phase

A1

 

B1

 

C1

 

N1

 

 

G1

N3

G3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector P4 (B)

Pins

 

2

3

 

4

5

 

6

7

 

8

9

 

10

11

 

12

13

 

14

15

16

17

 

18

1

 

 

 

 

 

 

 

 

 

 

Wire Color

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

W

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CT

LB6

LB7

LB8

LB9

LB10

LB11

LB12

LB13

 

IG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Phase

A2

 

B2

 

C2

 

N2

 

 

G2

A3

 

 

B3

C3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W = White

 

IG = Isolated Ground CT

 

 

 

A = A Phase CT

N = Neutral CT

 

 

 

 

 

 

 

 

 

B = Black

 

LB = Large Branch Breaker CT

 

B = B Phase CT

G = Ground CT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C = C Phase CT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

Page 14
Image 14
Liebert LDM user manual CT Table for Pbvi Board, Wiring configuration of large branch circuit breakers, Connector P4 B

LDM specifications

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Integration is another core advantage of the Liebert LDM. It seamlessly connects with various management systems and can be monitored through user-friendly interfaces. This interoperability ensures that facility managers can easily track performance metrics and integrate the Liebert LDM into their existing operational protocols.

The construction of the Liebert LDM is designed with durability and longevity in mind. Built to withstand the rigors of commercial use, the device features robust housing and weather-resistant components. This resilience ensures that the Liebert LDM remains a reliable tool within critical environments.

In summary, the Liebert LDM is a sophisticated thermal management solution combining precision monitoring, energy efficiency, modular flexibility, seamless integration, and robust design. As technology evolves, maintaining optimal environmental conditions becomes increasingly crucial. The Liebert LDM addresses these challenges, ensuring that critical systems operate reliably and efficiently in the face of rising demands.