Figure 30 Wiring Diagram And Pin Assignment Of Terminal Blocks Tb1 To Tb4 - Liebert 1500 User Manual

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
Input from CHG fuse alarm circuits
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
Input alarm from LVD circuit
TB3
C
1
NC
2
NO
3
C
4
NC
5
NO
6
C
7
NC
8
NO
9
C
10
NC
11
NO
12
C
13
NC
14
NO
15
C
16
NC
17
NO
18
DFA
19
CFA
20
TB4
C
1
NC
2
NO
3
C
4
NC
5
NO
6
C
7
NC
8
NO
9
C
10
NC
11
NO
12
C
13
NC
14
NO
15
C
16
NC
17
NO
18
RLVD
19
LVDA
20
TB1
MINOR VIS (1)
C
1
MINOR VIS (1)
NC
2
NO
3
C BK ALARM VISUAL (C)
4
NC
5
NO
6
MAJOR VIS (1)
C
7
MAJOR VIS (1)
NC
8
NO
9
C
10
G ALARM VISUAL (NC)
NC
11
NO
12
MINOR AUD (1)
C
13
MINOR AUD (1)
NC
14
NO
15
MINOR AUD (2)
C
16
MINOR AUD (2)
NC
17
NO
18
MAJOR AUD (1)
C
19
MAJOR AUD (1)
NC
20
TB2
NO
1
MAJOR AUD (2)
C
2
NC
MAJOR AUD (2)
3
NO
4
C
5
NC
6
NO
7
CHG FUSE ALM
C
8
CHG FUSE ALM
NC
9
NO
10
DISCH FUSE ALM
C
11
NC DISCH FUSE ALM
12
NO
13
H/L VOLT ALM (1)
C
14
H/L VOLT ALM (1)
NC
15
NO
16
H/L VOLT ALM (2)
C
17
NC H/L VOLT ALM (2)
18
NO
19
REMOTE EQUALIZE START
20
NE-1451X cable
(or equivalent)
To small internal
battery return
busbar
To cabinet
alarm lamp
To office
alarm
circuit
NE-1451X cable
(or equivalent)
FUSE ALM
FUSE ALM
To office
alarm
circuit
Input from office remote circuit
Operation 33