UPS Electrical Installation
47
Powerware
®
9170
+
UPS User’s Guide S Rev B www.powerware.com
The following notes are referenced in the non -isolated system wiring
diagrams (Figure 32 through Figure 34).
NOTE 1 The customer must provide input overcurrent protection as
stated in NEC Section 240-21 or local codes. Size the protection device
according to local code requirements (see Table 6 on page 38).
NOTE 2 All AC circuit conductors, including the neutral conductor,
mustbethesamesize(ampacity),havethesamerating(75°C) copper wire,
and be sized according to the input circuit breaker. The UPS input and
output conductors must be run through separate conduits.
NOTE 3 The customer must provide output overcurrent protection. See
NEC Section 240-21 or local requirements. See Table 1 6 and Table 17 on
pages 97 and 99 for maximum output overcurrent protection device
ratings.
NOTE 4 See “Equipment Clearances” on page 7 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 5 External UPS battery cabinets are optional. See “Battery
Cabinet Installation” on page 57 for installation instructions.
NOTE 6 UPS output circuits shall be installed in dedicated conduit
systems and not shared with other electrical circuits.
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