Wiring; Precautions Prior To Wiring - Delta Ultron HPH Series User Manual

3. Use four M8 expansion screws to fix the balance supports on the ground to avoid UPS
movement. Please note that service personnel should provide the expansion screws.
Please refer to the figure below.

5.5 Wiring

5.5.1 Precautions Prior to Wiring

 The wiring must be performed by qualified professional personnel. If you want to install
the UPS by yourself, installation must be under the supervision of Delta service personnel.
 Before wiring or making any electrical connection, make sure the power supplied to the
input and output of the UPS is completely cut off.
 When connecting the UPS to the main AC power, you must install a protective device that
meet safety certifications; please refer to the table below. For installation of the protective
device, please refer to Figure 5-8~5-9.
(Figure 5-4: Fix the Balance Supports on the Ground)
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