Single Unit Wiring - Delta Ultron Series User Manual

(Figure 5-15: Insulating Plates Position_ Applicable to Bottom Wiring)
5.4.4

Single Unit Wiring

NOTE:
Before wiring, please read 5.4 Wiring thoroughly and make sure relevant
conditions have been met.
Refer to Table 5-3 for information of the wiring terminals. For the wiring diagrams and
instructions, please refer to the following sections.
Table 5-3: Wiring Terminals & Wiring Information
No. Item
AC Input
1
Terminals
Bypass Input
2
Terminals
UPS Output
3
Terminals
Battery Input
4
Terminals
Description
L1/ L2/ L3 terminals
L1/ L2/ L3 terminals
L1/ L2/ L3/ N
terminals
+/ - terminals
Function
Connect to the main AC source; it is
required to connect wire N of the main AC
source to the UPS Output terminal (N).
Single input: There is no need to connect
the Bypass Input terminals.
Dual input: Connect to the bypass AC
source and connect wire N of the bypass
AC source to the UPS Output terminal (N).
Connect to the critical loads.
Connect to the external battery cabinet(s); it
is required to connect wire N of the external
battery cabinet(s) to the UPS Output
terminal (N).
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