Table of Contents
Advertisement
UPS Electrical Installation
System Wiring Diagram
Refer to the system wiring diagram for correct installation
The following notes are referenced by their number in the UPS with no external bypass wiring diagram (See
Figure 31).
NOTE 1
NOTE 2
NOTE 3
NOTE 4
NOTE 5
NOTE 6
NOTE 7
NOTE 8
36
Eaton 9PXM UPS (4-20 kVA) User's Guide P-164000669—Rev 05
The customer must provide input overcurrent protection. See NEC
Section 240-21 or local requirements. See Table 5 on page 31 for circuit breaker
ratings to size the protection device according to local code requirements.
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
Table 6 on page 32 for recommended wire sizes. The UPS input and output
conductors must be run through separate conduits.
The customer must provide output overcurrent protection. See NEC
Section 240-21 or local requirements. See Table 9 on page 87 for maximum
output overcurrent protection device ratings.
See "Equipment Clearances" on page 9 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.
External UPS battery cabinets are optional. See "Battery Cabinet Installation" on
page 39 for installation instructions.
UPS output circuits shall be installed in dedicated conduit systems and not shared
with other electrical circuits.
Use only Eaton-supplied power cables between the UPS and EBM
(PN:P-103003231).
CN3 and CN4 CAN cables ground separately to each cabinet chassis.
Advertisement
Table of Contents
