16 Installation Guide APC Silcon 240-320kW 480V UPS
990-4049
External Connection
4.1.2 Seperation of AC from DC1 and DC2
Use the 2 pieces of polycarbonate (supplied with the UPS) to separate AC from DC1 and DC2.
Standard length of polycarbonate adjusted for top cable entry. Adjust length of polycarbonate
to fit bottom entry where applicable.
WARNING!
Supply the UPS from grounded 3-wire/4-wire WYE service.
NOTICE!
Ensure correct phase rotation of input voltage.
NOTICE!
Keep UPS input and output conductors in separate conduits.
NOTICE!
Keep AC and DC conductors in separate conduits.
NOTICE!
Keep batteries 1 and 2 (DC conductors) in separate conduits.
WARNING!
Keep UPS power conductors and UPS control wiring in separate conduits.
Polycarbonate
Polycarbonate