Installation Drawings
Vertiv
| Liebert
®
EXM
™
Parallel Cabinet User Manual |
24
Figure 12 Control wiring diagram, Liebert EXM Parallel Cabinet, 2+1 paralleling
Phase B
Phase C
Phase A
Phase B
Phase C
W33
W38
W39
W43
W40
W01
W02
W03
W04
W05
W06
W07
W08
W09
W35
W36
W37
W30
W31
W32
W41
W42
W44
W34
BIB3
BIB2
BIB1
Phase A
Phase B
Phase C
Neutral
Customer Input
Neutral
Customer Main
Ground BUSBAR
Ground Electrode
(See Note 2)
Ground to
Unit Frame
Ground
Phase A
Phase B
Phase C
Phase A
MX
G8, G9 Only
G8, G9 Only
G8, G9
Only
G8, G9
Only
G8, G9 Only
G8, G9 Only
AC Input
AC Input
AC Output
AC Output
Wiring Legend
Factory-Supplied Wiring
Factory or Field-Supplied Wiring
Field-Supplied Wiring
AC Output
AC Input
Fuse
Fuse
Fuse
2#UPS
3#UPS
G8, G9 Only
G8, G9 Only
9
10
15
11
MX
MX
AUX
PE
mN
X9J23
X9J23
X9J23
BFP_O
BFP_S
BFP_C
INV_O
INV_S
INV_C
BFP_O
BFP_S
BFP_C
INV_O
INV_S
INV_C
MFP_O
MFP_S
MFP_C
Main_abnl_O
Main_abnl_S
Main_abnl_C
MFP_O
MFP_S
MFP_C
Main_abnl_O
Main_abnl_S
Main_abnl_C
X9J26
X9J26
X9J26
X9J24
X4
X9J24
X9J24
C
B
A
PE
FH1
FH1
FH1
FH2
FH2
*Option
*Option
*Option
FH2
mN
C
B
A
PE
mN
C
B
A
Phase B
Phase C
MBB
MIB
TB1
MOB1
MOB2
MOB3
Phase A
C
N/O
N/C
14
11
10
9
12
13
GND_Dry
GND_Dry
Q5_Status
Q3_Status
GND_Dry
GND_Dry
Q5_Status
Q3_Status
15
13
11
9
15
13
11
9
GND_Dry
GND_Dry
Q5_Status
Q3_Status
15
13
11
9
1
3
5
2
4
6
1
3
5
2
4
6
1
3
5
2
4
6
1
3
5
2
4
6
1
3
5
2
4
6
1
3
1
3
1
3
9
11
13
15
9
11
13
15
9
99
9
11
11
11
11
13
13
13
13
15
15
15
15
BFP_O
BFP_S
BFP_C
INV_O
INV_S
INV_C
1
3
5
2
4
6
MFP_O
MFP_S
MFP_C
Main_abnl_O
Main_abnl_S
Main_abnl_C
0
N
0
A
0
B
0
C
0
N
0
A
0
B
0
C
0
N
0
A
0
B
0
C
AUX
AUX
C
N/O
N/C
C
N/O
N/C
AUX
C
N/O
N/C
1
2
3
4
56
789
10
11
12
601
300
200
100
400
NOTES:
1. Wiring furnished by factory
. Consult
installation manual for UPS connections.
2. Customer-furnished grounding electrode
conductor to be installed in accordance
with National Electric Code
Article 250-26.
2+1 Paralleling
607845
Sheet 5 Rev
. 1
DETAIL A
DETAIL B
DE
T
A
IL
B
DETAIL A
