Delta Modulon DPH Series User Manual page 89

Single Input (Parallel Units)
When there is only one AC power source, parallel units' wiring procedures are as
follows.
1
Follow the procedures
Unit).
2
Connect the cables of the main AC source, output and external battery cabinet(s)
to the UPS. Please refer to the following to perform wiring.
Figure 5-8: Wiring Terminals_ AC Input, Bypass Input & UPS Output
Figure 5-9: Wiring Terminals_ Battery Input
Figure 5-10: Wiring Terminals_ Grounding
Table 5-3: Wiring Terminals & Wiring Information
Figure 5-14: Parallel Units Single Input Wiring Diagram
5.6 External Battery Cabinet Connection Warnings
3Ø4W
Main AC Source
(Figure 5-14: Parallel Units Single Input Wiring Diagram)
1
~
AC Input
Terminals
UPS 1
AC Input
Terminals
UPS 2
AC Input
Terminals
UPS 8
NOTE:
For single input, the UPS will not work normally if the main AC power's
neutral (N) is not firmly connected or not connected to the AC Input
neutral (N) terminal shown in Figure 5-8.
5-17
8
stated in the section of Single Input (Single
UPS Output
Terminals
Daisy
Chain
Method
Parallel Port
Parallel Port
UPS Output
Terminals
Parallel Port
Parallel Port
UPS Output
Terminals
Parallel Port
Parallel Port
5 Installation and Wiring
3Ø4W
Loads