Delta DPS Series User Manual

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Step 8
Follow the figure below to ground the UPS, external battery cabinet(s) and connected critical
loads.
(Figure 5-20: Grounding Diagram_ Single Unit)
5.4.4.2 300kVA UPS Dual Input (Single Unit)
When there are two AC power sources, single unit wiring procedures are as follows.
Step 1
Follow
5.4.2 Single Input/ Dual Input Modification
to modify the UPS from single input to
dual input.
Step 2
Follow
Step 1 ~ Step 6
in
5.4.4.1 300kVA UPS Single Input (Single Unit)
.
Step 3
Connect the cables of the main AC source, bypass source, output and external battery
cabinet(s) to the UPS. Please refer to
Table 5-3
,
5.5 External Battery Cabinet Connection
Warnings
and the following diagrams to perform wiring.

Delta DPS Series Specifications

General

Frequency	50/60 Hz
Battery Type	Sealed Lead-Acid (SLA)
Communication Interface	RS-232, USB, SNMP (Optional)
Output Voltage	220/230/240VAC
Topology	Double Conversion
Form Factor	Tower or Rackmount
Power Factor	0.9
Type	Online UPS
Protection Features	Short Circuit