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Installation Procedures: Connect DC Power Wiring
InfraStruXure System—Installation and Start-Up 31
Cascade Battery Enclosures
If you have multiple Battery Enclosures as part of your InfraStruXure system, you can cascade
Battery Enclosures to form a “daisy-chain” to a Symmetra PX UPS. Starting with the Battery
Enclosure furthest away from the UPS:
1. Route DC output cables and the ground cable (coiled on the floor of the enclosure) from one
Battery Enclosure to the next Battery Enclosure through the adjacent holes in the side panels of
the enclosures.
2. Connect the DC output cables from one Battery Enclosure to the DC Input Breaker of the next
Battery Enclosure [(+) to (+), (CT) to (CT), (–) to (–)].
3. Connect the ground wire from one Battery Enclosure to the grounding stud on the next Battery
Enclosure.
XR (–)
XR (+)
X
R (CT)
Battery Enclosure
X
R (+) XR (CT) XR (–)
DC INPUT
XR (+) XR (CT) XR (–)
DC OUTPUT
X
R (+) XR (CT) XR (–)
DC INPUT
XR (GND)
Battery Enclosure
To
Batter
y
Enclosure
To
UPS