G10 Installation Guide 7.13.2
42
2
Install Hardware and Power Cabling
Rev. 005-140228
Fuse Panel Power Cabling (DC Units Only)
After the power cabling is connected to the G10 probe and the storage enclosure, you connect
the equipment power cabling to the fuse panel. This applies to G10 DC units only. The G10
probe and storage enclosure connect to the fuse panel that contains two separate circuits: A
and B. The maximum output loading of the Fuse Panel is 100A per side (A and B). In each
circuit, current flows from the input through the fuse bus. When you install a fuse in a fuse
holder, it completes the circuit to the output connector. When a fuse fails, it sends a fail signal
to the Fuse Fail Alarm circuit.
Connect all cabling on the G10 and storage enclosure before connecting the cables
to the Fuse Panel to minimize risk of electrical hazard. Do not connect more than five
components (G10s or storage enclosures) to a single fuse panel.
Please note the following when wiring the G10 and storage enclosures to the fuse panel:
Use input wire size appropriate for the total output loading of the fuse panel. For 100A
input use at least #2 AWG wire.
An input branch circuit protector (fuse or circuit breaker) must be provided and rated
to meet local codes and installation requirements. For a 100A input, use a 125A
protector or as directed by local codes.
A switch or means to disconnect from the input must be provided in the building
installation which is easily accessible and identified as the disconnect device.
Refer to
Storage Enclosure Bonding and Grounding Requirements
of
details about NEBS requirements.
Step
Action
1.
and the following bullets and connect each power feed for
the G10 and storage enclosure to the Fuse Panel. Refer to the
and
for additional wiring and lug recommendations.
Connect G10 DC Power A to Fuse Panel A Output Terminals and Ground
Connect G10 DC Power B to Fuse Panel B Output Terminals and Ground
Connect Storage Enclosure DC Power A to Fuse Panel A Output Terminals
and Ground
Connect Storage Enclosure DC Power B to Fuse Panel B Output Terminals
and Ground
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