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4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 09
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System Wiring Diagram
Refer to the system wiring diagram for correct installation The following notes are referenced by their number
in the UPS with external bypass wiring diagram (see
and
).
NOTE 1
The customer must provide input overcurrent protection.
See NEC Section 240-21
or local requirements. See
for circuit breaker ratings to
size the protection device according to local code requirements.
NOTE 2
The UPS bypass switch must be installed within sight of the UPS. To properly install,
complete the voltage and phase check procedure in “
”. The wires
coming from the side of the switch must be connected as described in .
NOTE 3
The customer must size the AC circuit conductors.
All AC circuit conductors,
including the neutral conductor, must be the same size ( ampacity ), have the same
rating (75°C) copper wire, and be sized according to the input circuit breaker. See
. The UPS input and output conductors must be run through separate conduits.
NOTE 4
The customer must provide output overcurrent protection.
See NEC Section 240-21
or local requirements. See
for maximum output overcurrent protection device
ratings.
NOTE 5
See “
” for installation and service clearances before
installing the UPS. Use flexible conduit on the UPS or the external battery cabinet if
either must be moved.
NOTE 6
External UPS battery cabinets are optional. See “
Standard Battery Cabinet Installation
or
Connected Battery Cabinet Option
” for
installation instructions.
NOTE 7
UPS output circuits shall be installed in dedicated conduit systems and not shared with
other electrical circuits.
NOTE 8
Use only Eaton-supplied power cables between the UPS and EBM(s) (PN:P-103003231).
NOTE 9
CN3 and CN4 CAN cables ground separately to each cabinet chassis.
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