Справочник Пользователя для Emerson UPS Systems
Installation Drawings
21
Table 3
Liebert-supplied interconnect wiring for three-input Liebert NXL Maintenance Bypass
Cabinet
Cabinet
Run
To
From
Conductor
A
Utility AC - Phase A
MBC Bypass AC - Phase A
Maintenance Bypass AC - Phase A
B
Utility AC - Phase B
MBC Bypass AC - Phase B
Maintenance Bypass AC - Phase B
C
Utility AC - Phase C
MBC Bypass AC - Phase C
Maintenance Bypass AC - Phase C
D
Utility Neutral
MBC Neutral
System Input Neutral
E
Utility Ground
MBC Ground
System Ground
F
Utility AC - Phase A
UPS Bypass AC - Phase A
UPS Bypass Input - Phase A
G
Utility AC - Phase B
UPS Bypass AC - Phase B
UPS Bypass Input - Phase B
H
Utility AC - Phase C
UPS Bypass AC - Phase C
UPS Bypass Input - Phase C
I
Utility AC - Phase A
UPS Rectifier AC - Phase A
UPS Rectifier Input - Phase A
J
Utility AC - Phase B
UPS Rectifier AC - Phase B
UPS Rectifier Input - Phase B
K
Utility AC - Phase C
UPS Rectifier AC - Phase C
UPS Rectifier Input - Phase C
L
Utility Neutral
UPS Neutral
UPS Neutral
M*
MBC Ground
UPS Equipment Ground
UPS Ground
N
UPS Output AC - Phase A
MBC Output AC - Phase A
UPS Output - Phase A
O
UPS Output AC - Phase B
MBC Output AC - Phase B
UPS Output - Phase B
P
UPS Output AC - Phase C
MBC Output AC - Phase C
UPS Output - Phase C
P1
UPS Output Neutral
MBC Neutral
UPS Neutral
Q
MBC Output AC - Phase A
Load AC - Phase A
Load AC Input - Phase A
R
MBC Output AC - Phase B
Load AC - Phase B
Load AC Input - Phase B
S
MBC Output AC - Phase C
Load AC - Phase C
Load AC Input - Phase C
T
MBC Neutral
Load Neutral
Load Neutral
U
MBC Ground
Load Ground
Load Equipment Ground
V
MBC Terminal Strip
UPS External Interface Board
Control Wiring
* For detached units only