American Power Conversion 208/220 installation manual Source connections

Electrical Installation – System-Electrical Information

Source connections

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.

24 Smart-UPS® VT 10-30 kVA, 208/220 V Site Preparation and Installation Manual 990-1598B