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34 AIS® 3000 10-30kVA, 208V, Site Preparation and Installation Manual – 990-1957
Input/Output Wiring – Dual Mains
The UPS is designed for single mains installation as default. Carry out the Total Power Off
Procedure, and follow the below instructions to install the UPS in a dual-mains installation
Wiring procedure - dual mains
Loosen the (6) M4x13 screws from the plate covering the cable termination area, and remove.
Loosen the (2) M4x13 screws from the top part of the Conduit Box. Loosen the 3 M4x13
attaching it to the bottom part (2 screws in a 13.85in/352mm Enclosure) and remove.
Loosen the (4) M4x13 screws (2 each side) from the bottom part of the Conduit Box and remove.
The illustrations show 20.59in/523mm Enclosures, but the installation procedures are
identical for 13.85in/352mm Enclosures).
A
N
B
C
N
N
Bypass
Output
Input
Conduit box
(top part)
Conduit box
(bottom part)
EPO Conduit
MBP Conduit
Conduit box
(top part)