Delta Modulon DPH Series User Manual page 89

3Ø4W
UPS 1
Main AC
Source
UPS 2
(Figure 5-18: Parallel Units Single Input Wiring Diagram)
3
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.
4
Follow Figure 5-19
and connected critical loads.
Load Load Load
Load Grounding
Load Grounding
Load Grounding
Protective Earthing
WARNING:
UPS's 'Parallel Group ID' (1 or 2) and 'Parallel ID' (1 or 2) through the LCD.
Otherwise, the parallel UPSs cannot be started. Please refer to 7.10.5 Parallel
Setting.
UPS Output Terminals
AC/ Bypass Input Terminals
UPS Output Terminals
AC/ Bypass Input Terminals
UPS UPS
UPS Grounding
(Figure 5-19: Grounding Diagram_ Parallel Units)
5-19
5
Daisy Chain
Method
Parallel Port
Parallel Port
Parallel Port
Parallel Port
External
Battery
Cabinet
External Battery
Cabinet Grounding
Installation and Wiring
3Ø4W
Loads
(At Maximum Four)
External External External
Battery Battery Battery
Cabinet Cabinet Cabinet