Installation Plan and Unpacking
Eaton
®
Power Xpert 9395 Integrated Battery Cabinet (Model 1085 and 1085HR) Installation Manual 164201687—Rev 06
www.eaton.com/powerquality
3-5
3.2.2
Power Wiring Preparation
Read and understand the following notes while planning and performing the power wiring installation:
CAUTION
The 1085 and 1085HR battery cabinets CANNOT be intermixed. Serious damage to equipment
may result.
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Refer to national and local electrical codes for acceptable external wiring practices.
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Material and labor for external wiring requirements are to be provided by designated personnel.
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For external wiring, use 90°C copper wire. See the appropriate Power Xpert 9395 UPS Installation and
Operation manual listed in paragraph 1.7. Wire sizes are based on using the specified breakers.
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Refer to NEC Article 250 and local codes for proper grounding practices.
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The battery cabinet frame is not referenced to the DC circuit.
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Battery voltage is computed at 2 volts per cell as defined by Article 480 of the NEC. Rated battery current is
computed at 2 volts per cell.
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The battery wiring used between the battery and the UPS should not allow a voltage drop of more than
2
VDC
at rated battery current.
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The battery cabinet is installed in a standalone configuration. The term standalone refers to battery cabinets
that are installed adjacent to the UPS without mechanical linkage or in a separate location, are wired with
external customer-supplied conduit and wiring, and may use the battery cabinet breaker as the battery
isolation device or a single overcurrent protection and disconnect device located near the batteries.
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Each battery cabinet has its own overcurrent protection device with a built-in shunt trip (or UVR for 9395C)
feature that must be used in all configurations.
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Refer to the appropriate Power Xpert 9395 UPS Installation and Operation manual listed in paragraph 1.7 for
UPS cabinet conduit and terminal specifications and locations.
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The Environmental Monitoring Probe (EMP), for remote monitoring of battery environmental conditions,
must be installed and set up by your service representative, or the battery warranty terms specified on page
W-1 become void.
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The battery cabinet is shipped with a debris shield covering the ventilation grill on top of the unit. Do not
remove the debris shield until installation is complete. However, remove the shield before using the battery
cabinet. Once the debris shield is removed, do not place objects on the ventilation grill.
NOTE
Battery Conductor Sizing:
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For optimum system performance and battery run time, Eaton strongly
recommends using the specified DC conductor size and quantity shown in the
UPS Installation and Operation Manual.
Cable Routing, Conduit Applications:
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Each conduit must have a Positive, Negative, and Ground conductor.
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There must be an equal number of positive and negative conductors in a single
conduit. Only one ground conductor is required in each conduit.
Cable Routing, Raceway Applications:
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Each conduit must have a Positive, Negative, and Ground conductor.
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Positive and negative battery cables must be run side by side in the raceway in an
alternating pattern (+ - + - + - + -).
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There must be a ground cable running in the raceway with the battery cables.
