Liebert NXC 30kVA User Manual page 62

52 Chapter 6 Battery
No.
1
2
3
4
5
6
7
8
9
10
Note: The BCB box generally uses bottom cabling mode, but you can rotate its bottom plate to use top cabling mode
Battery
UPS
input
terminal
J4
Note:
1. See Table 6-5 for definition of port X102.
2. X101-Hazardous Voltage: Do not conncet this port to the battery unless a permission given by the service engineer.
3. X103 ~ X106 are used to connect temperature sensors from multiple battery cabinets.
4. X107 is used to set jumpers according to whether the UPS has been installed a battery cold button. If yes, jumpers 1, 2
setting is recommended; if not, jumpers 2, 3 setting is required.
BCB box port
DRV
IN (AUX)
GND1
Table 6-4 Description of BCB box components
Battery connection terminal (+/N/-)
UPS connection terminal (+/N/-)
Battery switch control board
Battery switch
Cabling hole for confirming the cable size and opening hole
Wall-mounted installation hole
Grounding bar
Insulating plate
Base plate
Visible cover
External battery string
+
N
-
Communication
box
GND
FB
DRV
Figure 6-4 Connection of BCB box
Table 6-5 Battery control port (X102)
Communic
ation box
port (J4)
DRV
FB (IN)
GND
Liebert NXC 30kVA And 40kVA UPS User Manual
Component
BCB
UV
Auxiliary
contactor
Meaning
Tripping control signal of BCB
from the UPS
Auxiliary contact of BCB
(contact off means BCB off)
Signal ground
X100
OUT-P
220Vdc
OUT-N
AUX1
AUX2
BCB control board
X101
X108
GND1
AUX
DRV
Signal state
Normal: high level, BCB closed;
Abnormal: low level, BCB open
Normal: 0V, BCB closed;
Abnormal: open, BCB open
GND1 to GND
X103
X104
X105
X106
X107
1
2
3
X102