Eaton POWERWARE 9315 - Manual (Page 35)

EATON Powerware ® 9315 UPS (500–750 kVA) Installation and Operation Manual S 164201691 Rev 1 www.powerware.com 4-1
Chapter 4 Installing a Remote Battery Disconnect
The remote battery disconnect is crated separately for shipping. The enclosure is
designed to be free-standing. You can install a remote battery disconnect anywhere
between the remote DC supply and the UPS, according to national and local codes.
Figure 4-1 shows a typical remote battery disconnect enclosure.
The remote battery disconnect is set according to the operation procedures in
Chapter 9, “UPS Operating Instructions.” When service personnel are performing
maintenance on the UPS or battery string, the disconnect should be set to the OFF
position.
Operating Handle
ON Position
Operating Handle
OFF Position
Figure 4-1. Remote Battery Disconnect Enclosure
Consider the following general notes before beginning installation:
S There is no DC disconnect device within the UPS.
S The DC input to the UPS is only protected by internal fuses F30 and F31.
S The UPS DC disconnect trip signal from CB2TB, terminals 9 and 10 (shunt trip)
must be connected to the DC source disconnect device.
S See Figure A-30 on page A-42 for battery disconnect dimensions.
S See paragraph A.3 on page A-12 for specific ratings and wiring requirements.
S The material and labor for external wiring requirements is to be supplied by others.
S The knockout pattern for the disconnect is determined by others at the time of
installation.
S Power cables and control wiring must be installed in separate conduit.
S The ground conductor is to be sized per National Electrical Code (NEC), Article 250
and local electrical code requirements.
S The maximum current listed is at the minimum DC operating voltage.
Figure 4Table 4