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Alternate Hardwire Installation
6
4.0 ALTERNATE HARDWIRE INSTALLATION
4.1 Electrical Installation Considerations
The utility input supply cable must be connected to the unit via a wall-mounted circuit breaker. The
UPS output port must also be protected with a circuit breaker connected to the load, rated to carry the
input current, and be capable of breaking the maximum prospective short circuit current of this
branch circuit. The breaker must be mounted within six feet of the UPS and be readily accessible to
the operator. Please refer to Table 2 for breaker specifications.
4.1.1 Conduit Entry and Wiring Access Doors
The side and rear of the 3U POD provide alternate conduit entry points for both UTILITY and LOAD
connections.
4.2 Electrical Connections
The cable sizes and distribution methods used during installation are subject to local and national
electrical codes of practice and are therefore not listed in this manual. Table 2 shows the standard
current ratings.
!
WARNING
This unit must be installed by competent electrical personnel and wired in accordance with
local/national electrical codes.
Review this entire manual and the installation instructions in this section before beginning
the installation.
Before installing, open all branch circuit power at the nearest disconnect, turn the UPS off,
and disconnect all cords to and from the UPS.
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