Delta Modulon DPH Series User Manual page 86

9
Load
Load Grounding
Dual Input (Single Unit)
When there are two AC power sources, single unit wiring procedures are as follows.
1
2
3
4
Modulon DPH Series
NOTE:
For single input, the UPS will not work normally if the main AC source's
neutral (N).
Follow Figure 5-15 to ground the UPS, the external battery cabinet(s) and the
connected critical loads.
Load Load
Load Grounding
Load Grounding
Protective Earthing
(Figure 5-15: Grounding Diagram_ Single Unit)
Follow
input into dual input.
Follow the procedures
Unit).
Connect the main AC source/ bypass AC source/ external battery cabinet/ output's
cables to the UPS. Please see Figure 5-16 and Figure 5-17.
NOTE:
For dual input, the UPS will not work normally if the main AC source and
to the UPS's Input neutral (N).
Follow Figure 5-15 to ground the UPS, the external battery cabinet(s) and the
connected critical loads.
UPS
External Battery
Cabinet Grounding
1 7
~ stated in the section of Single Input (Single
5-16
(At Maximum Four)
External External External
Battery Battery Battery
Cabinet Cabinet Cabinet
to modify the UPS from single
External
Battery
Cabinet