Delta Ultron GES203HH33A035, User Manual, Page: 33 / 70

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Chapter 6 Installation and Wiring
3
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UPS movement. Please note that service personnel should provide the expansion
>* >
(Figure 6-4: Fix the Balance Supports on the Ground)
EPO
NOR MA
L
BAT TER
Y
BY PAS
S
FA UL
T
ON
OFF
ESC
Ground
M8 Expansion
Screw x 4
Balance
Support x 4
6.5 Wiring
6.5.1 Precautions Prior to Wiring
y
; >+>
UPS by yourself, installation must be under the supervision of authorized Delta engineers
or service personnel.
y
Before wiring or making any electrical connection, make sure the power supplied to the
input and output of the UPS is completely cut off and the internal battery fuse holders are
open.
y
When connecting the UPS to the utility AC power and bypass source, you must install the
protective devices and 4-pole contactors. The protective devices and 4-pole contactors
% *
below for suggested protective devices and suppliers. For the installation of the protective
devices and 4-pole contactors, please see
Figure 6-10~6-18 .