Eaton Powerware 9355 - Options Cabinet with Dual-Feed Wiring

ELECTRICAL INSTALLATION
EATON Powerware
®
9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev B www.powerware.com
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Options Cabinet with Dual-Feed Wiring
To hardwire the Options Cabinets in a dual-feed system:
1. Remove the Options Cabinet conduit landing box from both Options Cabinet rear
panels and retain (see Figure 17 on page 28).
2. Punch two holes in the first conduit landing box for the input and output conduit
using a Greenlee punch or similar device.
Punch one hole in the second conduit landing box for the second input conduit.
3. Route the wiring from the back of the first Options Cabinet, through the wiring
tray, to the front of the Options Cabinet.
Route the wiring from the back of the second Options Cabinet, through the
wiring tray, to the front of the Options Cabinet.
4. On the first Options Cabinet, hardwire the input, output, and ground
terminations. See Table 1 on page 34 for wiring specifications.
On the second Options Cabinet, hardwire the second input and ground
terminations.
For a detailed view of both Options Cabinet terminal blocks, see Figure 19.
5. Remove the jumpers between the UPS input terminal block and the input circuit
breaker(seeFigure21onpage35).
6. On the first Options Cabinet, route the factory-installed wiring through the
knockouts and hardwire to the UPS terminal block.
On the second Options Cabinet, route the factory -installed wiring through the
knockouts and hardwire to the UPS input circuit breaker.
For a detailed view of the UPS terminal block, see Figure 21 on page 35.
7. On the first Options Cabinet, route the maintenance bypass auxiliary wiring
through the knockouts to the UPS and wire to the contacts below the MBS (see
Figure 19).
8. Reinstall both Options Cabinet wiring access covers.
9. Reinstall both Options Cabinet conduit landing boxes in the reversed position
(see Figure 17 on page 28).
10. Replace both Options Cabinet front doors (see page 10).
11. Reinstall the UPS wiring access cover.
12. Replace the UPS front door (see page 10).