KStar YDC9300-0.8 User Manual page 21

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UPS input and output connection
Minimum 5AWG copper wires are required for the 10K-20KVA, including
input/output cables, battery cables.
1) Switch off all breakers before connecting cables
2) Remove the cover of the terminals, see Fig 2-3, then follow them to connect the
cables correctly.
Fig.2-3a YDC9310S
I/O terminals connection
CAUTION
Terminators are required so as to ensure the connections are firm
Don't reverse the input L and N
Don't connect the UPS input to a wall outlet or the outlet will get burnt.
Fig.2-3c YDC9315/9320
I/O terminals connection
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Fig.2-3b YDC9310H
I/O terminals connection