Single Input To Dual Input Modification - Delta DPH Series User Manual

5.4.2

Single Input to Dual Input Modification

WARNING:
Only authorized Delta engineers or service personnel can modify single input to
dual input setup.
The UPS default setting is single input. If you want to modify it into dual input, please follow
the steps below.
Step 1
Open the UPS's right front door, remove the wiring terminal cover, open the fan door (hinged
on the right side), and you will see the AC Input terminals and Bypass Input terminals shown
in the figure below. For location of the wiring terminal cover and fan door, please refer to
Figure 2-4.
Step 2
Remove the twelve nuts and six cables connected between the AC Input terminals (L1/ L2/
L3) and the Bypass Input terminals (L1/ L2/ L3).
(Figure 5-10: Remove the Twelve Nuts and Six Cables Connected between the
NOTE:
Please keep the removed nuts and cables properly for future use. If you want to
modify the UPS from dual input into single input, please use the removed twelve
nuts and six cables to connect the AC Input terminals (L1/ L2/ L3) and Bypass
Input terminals (L1/ L2/ L3).
Modulon DPH Series
AC Input Terminals and Bypass Input Terminals)
56