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46 G9000 Installation and Operation Manual
D) External Battery Supply
Please refer to the following when installing and maintaining batteries:
1. The customer shall refer to the battery manufacturer's installation manual for
battery installation and maintenance instructions.
2. The maximum permitted fault current from the remote battery supply, and the
DC voltage rating of the battery supply over-current protective device are
shown in Table 3.3.
TABLE 3.3 Maximum Permitted Fault Current
UPS Capacity
(kVA)
DC Voltage
Rating (V)
Maximum Fault
Current Permitted (A)
80
480
25,000
100
480
25,000
160
480
25,000
225
480
25,000
300
480
25,000
500
480
25,000
750
480
25,000
3.3 PROCEDURE FOR CABLE CONNECTIONS
1. Confirm the capacity of the UPS being installed. Identify the input/output power
terminal blocks accordingly as shown in the Figures 3.1 through 3.5.
2. Connect the internal control wire and power wire.
(1) Control wire Inter-connect
1. CB2 UVR to terminal TN1-1, 2 of external I/F PCB IOAU-09.
2. CB2 ON Auxiliary to terminal TN1-3, 4 of external I/F PCB IOAU-09.
(2) Power wire (AC input, Bypass input, AC output) Inter-connect
a.) From user’s distribution panel
1. X1 (A-phase) to A bus bar in UPS
2. X2 (B-phase) to B bus bar in UPS
3. X3 (C-phase) to C bus bar in UPS
b.) DC Input to UPS
1. Positive cable to BP bus bar in UPS
2. Negative cable to BN bus bar in UPS
!
NOTE