Liebert 1500 - Manual (Page 39)

Operation 33
Figure 30 Wiring diagram and pin assignment of terminal blocks TB1 to TB4
v
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
TB3 TB1
TB4 TB2
To office
circuit
To office
circuit
To office
circuit
To office
circuit
Input from office remote circuit REMOTE EQUALIZE START
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
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
C
NC
NO
DFA
CFA
Input from DISCH fuse alarm circuits
Input from CHG fuse alarm circuits
RLVD
LVDA
To LVD circuit
Input alarm from LVD circuit
NE-1451X cable
(or equivalent) 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
MIN RECT ALM
MAJ RECT ALM
MAJ RECT ALM
LVD ALM
LVD ALM
LOSS OF AC VOLT ALM
LOSS OF AC VOLT ALM
MINOR VIS (1)
MINOR VIS (1)
BK ALARM VISUAL (C)
MAJOR VIS (1)
MAJOR VIS (1)
NE-1451X cable
(or equivalent)
NE-1451X cable
(or equivalent)
MINOR AUD (1)
MINOR AUD (1)
MINOR AUD (2)
MINOR AUD (2)
MAJOR AUD (1)
MAJOR AUD (1)
MAJOR AUD (2)
MAJOR AUD (2)
FUSE ALM
FUSE ALM
CHG FUSE ALM
CHG FUSE ALM
DISCH FUSE ALM
DISCH FUSE ALM
H/L VOLT ALM (1)
H/L VOLT ALM (1)
H/L VOLT ALM (2)
H/L VOLT ALM (2)
HVSD ALM
HVSD ALM
EQUALIZE ALM
EQUALIZE ALM
AUX ALM NO.2 (2)
AUX ALM NO.2 (2)
AUX ALM NO.2 (1)
AUX ALM NO.2 (1)
AUX ALM NO.1 (2)
AUX ALM NO.1 (2)
AUX ALM NO.1 (1)
AUX ALM NO.1 (1)
alarm
alarm
alarm
alarm
G ALARM VISUAL (NC) To cabinet
alarm lamp
To small internal
battery return
busbar