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

5.4.2

Single Input to Dual Input Modification

NOTE:
1. Only authorized Delta engineers or service personnel can modify single input to
dual input setup.
2. Please keep the removed components properly for future use. If you want to
modify the UPS from dual input into single input, please use the removed screws
and bus bars to connect the AC Input terminals (L1/ L2/ L3) and Bypass Input
terminals (L1/ L2/ L3).
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 I/O cabinet's front door and you will see the AC Input terminals and the Bypass
Input terminals shown in Figure 5-10 and Figure 5-11.
Step 2
 800kVA UPS
Remove the six bus bars and twelve M12 screws connected between the AC Input terminals
(L1/ L2/ L3) and the Bypass Input terminals (L1/ L2/ L3) shown in the following figure.
(Figure 5-10: 800kVA UPS_ Remove the Six Bus Bars and Twelve M12 Screws
Connected between the AC Input Terminals & Bypass Input Terminals)
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