Emerson Liebert NX 50 and 60 Hz - Manual (Page 67)

Installation Drawings
55
5.0 I NSTALLATION D RAWINGS
Figure 40 Electrical connections
N.O.
V< N P
2
2
4
3
2
3
4
3
4
BFP-O
BFP-S
BFP-C
INV-C
INV-S
INV-O
ACF-C
ACF-S
ACF-O
+
-
+
-
0V
GND
1
4
3
2
A-IN
+12V
ENV-T
GND
ENV
+12V
GEN
BtG
1
4
3
2
GND
+12V
T_IT
AUX_I
4
3
1
2
FUSE 1
T_OT
AUX_O
F_FAN
3
4
2
EPO-NO
1
3 EPO-NO
2 EPO-NC
1 EPO-NC
BFP
INV
ACF
EPO
RS485-2
RS485-1 ENV-T
IN DRY
MBC
PWR FOR
MODEM &
SNMP CARD
X6
X3
X1
X4
X5
X2
EXT EPO
Monitoring Board-U2
BA
T-T
+12V GND DR
V
FB OL
2 4 3 4 3 2
BCB-X3 X7
4
-
+
1
2
3
DRV
ONLINE
IN
P12
GND1
OUT 7
5
4
6 GND2
AUX-2 AUX-1 OUT
-P OUT
-N
OUT
P12
GND
3
2
4
(TMP-2)
BATTERY TEMPERATURE
TRANSPORT
GND2
OUT
P12
BAT-P BAT-N
BATTERY
BAT-P
BAT-N
BCB BOX
UPS
TO BATTERY
EARTH
TO CUSTOMER SAFETY EARTH
W2
V2
U2
N
N
U3
V3
W3
U1
V1
W1
INPUT SUPPLY
380/415V 50HZ
BYPASS SUPPLY 380/415V 50HZ
TO CRITICAL LOAD 380/415V 50HZ
POWER CABLES
POWER BUSBARS
CONNECTOR BARS THAT NEED TO BE REMOVED FOR DUAL INPUT SYSTEMS
12V
P TO
BATTERY N