Figure 36 Nx 1+1 Parallel Cabinet Interconnections; Table 18 Liebert-Supplied Interconnect Wiring - Emerson Liebert NX 10-30kVA Installation Manual

Figure 36 NX 1+1 parallel cabinet interconnections

E1,E2
F1,F2
UPS Module Left Side View
(Without Side Panel)
NOTES:
1. All Liebert-supplied cable will need to be repositioned prior to and while setting the cabinets in their
installed location.
2. All interconnection cable and hardware supplied by others.
3. AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules.
4. Utility AC source neutral not required for maintenance bypass/transformer cabinet type CR1.
5. Paralleling cabinets must between both UPS modules.
6. Refer to the individual drawing of each piece of equipment for additional details
Table 18 Liebert-supplied interconnect wiring
Run From
A Utility AC Source
B Utility AC Source
C Utility AC Source
D1 UPS #1 Module AC Output
D2 UPS #2 Module AC Output
E Utility AC Source
E2 Utility AC Source
F1 Paralleling Cabinet
F2 Paralleling Cabinet
G Paralleling Cabinet
H Paralleling Cabinet
I Utility AC Source
J Monitoring Terminal Block
K1 UPS #1 Module AC Input
K2 UPS #1 Module AC INPUT
(Front View Without Front Door and Panel)
D1
D2
C
F1, F2
K1,K2
G
D1,D2
I
Type A00
To
Paralleling Cabinet
Paralleling Cabinet
UPS Module AC Input
Paralleling Cabinet
Paralleling Cabinet
UPS #1 Module AC Input
UPS #1 Module AC Input
UPS #1 Module AC Output
UPS #1 Module AC Output
Load AC Connection
Load AC Connection
All Ground Connections
UPS Parallel Logic Board (M3)
Paralleling Cabinet
Paralleling Cabinet
1+1 Parallel Cabinet
J
D1
D2
H
B
I
F1,F2
G
Type BR0
Conductors
PH A, B, C - Bypass
Neutral - Bypass
PH A,B,C - UPS
PH A, B, C - UPS
PH A, B, C - UPS
Neutral - UPS Input
Neutral - UPS Input
Neutral - UPS Output
Neutral - UPS Output
Neutral - Load
PH A, B, C - Load
Ground
Auxiliary Contacts
PH A, B, C - UPS
PH A, B, C - UPS
49
Installation Drawings
J
K1
K2
H
I
D1
D2
G
A
F1,F2
Type DR1 & CR1
Cabinet Type
BR0, CR1, DR1
BR0, CR1, DR1
A00, BR0
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
A00, BR0, CR1, DR1
CR1, DR1
CR1, DR1
J
A
H
B
I
E1,E2