APC MGE 300 - Manual (Page 19)

15 MGE™ Galaxy™ 300 10-40 kVA 3:3, 10-30 kVA 3:1 - 380/400/415 V Installation
Checklist
 Make sure that all cardboard and strappings have been removed.
 Check that the power wiring is torqued as described in the torque specification table above.
 Verify clockwise phase-rotation (BAT+, N and BAT-) and make sure that a neutral connection
is present.
 Leave a wiring diagram on site for service personnel.
 Re-install all wiring access panels on the UPS.
 For any optional equipment, refer to product-specific manuals.
 Make sure that all battery breakers (on the UPS unit and XR Battery Enclosure(s) if
applicable) are in the
OFF (opened) position.