Delta DPH-300K, User Manual

Page: 97 / 240

5 - 2 1
5 Installation and Wiring
NOTE:
The UPS allows cable entry from the top or bottom. Please leave adequate
space on the top or at the bottom of the UPS to allow cable entry.
1
Follow
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to modify the UPS from
single input into dual input.
2
Follow the procedures
1
~
6
stated in the section of
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8QLW
.
3
Connect the cables of the main AC source, bypass source, output and external
battery cabinet(s) to the UPS. There are two types of wiring, top wiring and bottom
wiring. Please refer to the following to perform wiring.
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L1
AC
INPUT
BYPASS
INPUT
L1
AC
INPUT
BYPASS
INPUT
L2
L3
N
(Rear View after
Rear Panel Removal)
Dual Input_ Top Wiring_ Step 1
PE
(protective earth)
Terminal
GND (ground)
Terminals
BYPASS
INPUT
AC
INPUT
L2
L3
N
L1
Connect to the
Bypass Source Connect to
the Main AC
Source
N L1 L2 L3
N L1 L2 L3
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