Delta Modulon DPH series User Manual page 103

3Ø4W
Main AC Source
3Ø4W
Bypass Source
NOTE:
For dual input, the UPS will not work normally if the main AC power's
not connected to the UPS's AC Input neutral (N) terminal and Bypass Input
neutral (N) terminal respectively.
4
Use the provided parallel cable to connect the parallel ports on the parallel units.
Please refer to Figure 4-3 for the parallel port location.
5
Follow Figure 5-25 to ground the parallel UPS units, external battery cabinet(s)
and connected critical loads.
WARNING:
each UPS's 'Parallel Group ID' (1 or 2) and 'Parallel ID' (1~8) through
the LCD. Otherwise, the parallel UPSs cannot be started. Please refer to
7.10.5 Parallel Setting.
AC Input
Terminals
Bypass Input
Terminals
UPS 1
AC Input
Terminals
Bypass Input
Terminals
UPS 2
AC Input
Terminals
Bypass Input
Terminals
UPS 8
(Figure 5-26: Parallel Units Dual Input Wiring Diagram)
5-25
5 Installation and Wiring
UPS Output
Terminals
Daisy
Chain
Method
Parallel Port
Parallel Port
UPS Output
Terminals
3Ø4W
Parallel Port
Parallel Port
UPS Output
Terminals
Parallel Port
Parallel Port
Loads