American Power Conversion 10-30 KVA - Manual (Page 30)

Electrical Installation – System-Electrical Information
24 Smart-UPS® VT 10-30 kVA, 208/220 V Site Preparation and Installation Manual 990-1598B
Source connections
8
WARNING!
The UPS must be supplied from a 208Y/120 V or 220Y/127 V 4W + GND 60Hz
source.
CAUTION!
Verify clockwise phase-rotation (L1, L2, L3) and make sure a neutral connection is
present.
For recommended “Recommended current protection” , see The Site Preparation
section.
CAUTION!
The installation must comply with all local and national codes.
Refer to NEC Articles 310-15, 310-16 for further information.