34
G8000MM
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)
100
480
25,000
150
480
25,000
225
480
25,000
300
480
25,000
375
480
25,000
500
480
25,000
625
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 as shown in the appropriate Figures 3.1 through 3.2-a~g, Figure 3.3.
2. Connect the internal control wire and power cables.
(1) Control wire Inter-connect from DC Breaker Box to UPS.
1. CB2 NO Auxiliary to terminal TN2
-
23, 24.
2. CB2-UVT to terminal TN2
-
21, 22.
(2) Power wire Inter-connect (600V Input Only) from input transformer to UPS.
a.) From user’s distribution panel.
1. X1 (A-phase) to A (A phase) bus bar in UPS rectifier section.
2. X2 (B-phase) to B (B phase) bus bar in UPS rectifier section.
3. X3 (C-phase) to C (C phase) bus bar in UPS rectifier section.
(3) Input cables from DC Breaker Box to UPS.
1. Positive cable to BP bus bar in UPS rectifier section.
2. Negative cable to BN bus bar in UPS rectifier section.
CAUTION
