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External Connection
990-4049
Installation Guide APC Silcon 240-320kW 480V UPS 13
4.0 External Connection
4.1 Connecting the UPS
Prior to connecting the UPS, refer to section 6: Options and Accessories to ensure that UPS
options are correctly interphased.
To access cable terminals, open front door, remove screws and lift off the 4 front covers
(remember earth wire on rear side). Power cable entry at bottom: Remove front covers 2 and 3.
Power cable entry at top: Remove front covers 1 and 2. Remove cover 4.
WARNING!
Read warnings on page 2 of this manual before continuing.
NOTICE!
Always keep AC, DC and communication cables separate.
1
2
3
4
Connecting AC
and DC
Connecting Ground
Connecting
communication
UPS system without cover and doors
cables
power cables
UPS system with cover– doors open