Eaton Powerware 9355 - Options Cabinet with Output Transformer 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 Output Transformer Wiring
To hardwire the Options Cabinets for 480V loads:
1. Remove the Options Cabinet conduit landing box from both Options Cabinet rear
panels and retain (see Figure 17 on page 28).
2. Punch one hole in the first conduit landing box for the input conduit using a
Greenlee punch or similar device.
Punch one hole in the second conduit landing box for the output 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 and ground terminations. See
Table 1 on page 34 for wiring specifications.
On the second Options Cabinet, hardwire the output and ground terminations.
For a detailed view of both Options Cabinet terminal blocks, see Figure 20.
5. On the second Options Cabinet, route the factory -installed wiring through the
knockouts and hardwire to the output terminal block of the first Options Cabinet.
On the first Options Cabinet, route the factory-installed wiring through the
knockouts and hardwire to the UPS terminal block.
For a detailed view of the UPS terminal block, see Figure 21 on page 35.
6. 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 20).
7. Reinstall both Options Cabinet wiring access covers.
8. Reinstall both Options Cabinet conduit landing boxes in the reversed position
(see Figure 17 on page 28).
9. Replace both Options Cabinet front doors (see page 10).
10. Reinstall the UPS wiring access cover.
11. Replace the UPS front door (see page 10).