9
CAUTION!
Protective earth cable: Connect each cabinet to the main ground
system. For Grounding connection, follow the shortest route
possible.
WARNING!
Failure to follow adequate earthing procedures may result in
electromagnetic interference or in hazards involving electric shock
and fire
3.7 Power cable connect
Once the equipment has been finally positioned and secured, connect the power cables as
described in the following procedure.
Verify the UPS is totally isolated from its external power source and also all power isolators of the
UPS are open. Check to see if they are electrically isolated, and post any necessary warning signs to
prevent their inadvertent operation.
Remove the cover of terminals for wiring easily.
Single input version
:
Terminal sequence from left to right: Input phase A(L1), Input phase B(L2), Input phase
C(L3), Input Neutral line, Output phase L, Output Neutral line, Battery positive, Battery Neutral,
Battery negative. There are 3 connectors of GROUND under the terminal block.
Dual input version:
Terminal sequence from left to right: GROUND, Input phase A(L1), Bypass phase L, Input
phase B(L2), Input phase C(L3), Input Neutral line, Bypass Neutral line, Output phase L, Output
Neutral line, GROUND, Battery positive, Battery Neutral, Battery negative, GROUND.
