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Electrical Installation – Input/Output Wiring – Dual Mains
990-1598B Smart-UPS® VT 10-30 kVA, 208/220 V Site Preparation and Installation Manual 31
Punch 3 holes in the Conduit Box bottom to fit the size of the conduit pipes, and reattach the
Conduit Box bottom to the Enclosure, re-using the (4) M4 screws.
Install conduit pipes in the Conduit Box bottom.
Run cables through the conduit pipes and the bottom of the Conduit Box. Guide the cables
behind the bar and up into the input/output area.
Reinstall the top part of the Conduit Box to the Enclosure, following reverse deinstallation
procedures (described in a previous step).
Remove the (2) M6 screws from Brackets A, B, and C and remove all 3 brackets.
Attach input cable lugs to L1, L2 and L3 input busbars (left side in the UPS – on the front of the
busbar), using the provided M6 torx screws. Attach bypass cable lugs to L1, L2, L3 bypass
busbars, using the provided torx screws. Attach output cable lugs to L1, L2, L3 output busbars,
using the provided torx screws.
Attach N x 3 where shown., using the provided torx screws.
Attach Ground x 3 where shown.
Fasten all cables with cable ties.
Reinstall rear cover.
L
1
L
1
L
2
L
3
L
1
L
2
L
2
L
3
N
L
3
N
N
Neutral
Bypass
input
cables
Neutral
Neutral
Ground
cables
Output
cables
Utility
input
cables