2 8
Chapter 5 Installation and Wiring
40/ 60kVA Model
20/ 30kVA Model
1 2 3 4
1 2 3 4
E X T . S W I T C H
S T A T U S
E X T . S W I T C H
S T A T U S
1
2
3
4
5
1
2
3
4
5
(Figure 5-4: Wring Terminal Block)
No.
Item
Description
1
AC Input Terminal Block (N/ R/ S/ T)
Connects to the main AC source.
2
Bypass Input Terminal Block (N/ R/ S/ T)
Connects to the bypass source.
3
UPS Output Terminal Block (N/ R/ S/ T)
Connects to the critical loads.
4
For the UPS grounding.
5
For the critical loads’ grounding.
2
Remove the three cables shown in
Figure 5-5
to modify the UPS from single input into
dual input.
(Figure 5-5: Three Cables Location)
40/ 60kVA Model
20/ 30kVA Model
1 2 3 4
1 2 3 4
E X T . S W I T C H
S T A T U S
E X T . S W I T C H
S T A T U S
NOTE:
If you want to modify the UPS from dual input into ingle input, please
reinstall the three cables shown in
Figure 5-5
.