Powerware 9315 UPS operation manual Battery Cabinets, External Battery Disconnect

Using Features and Options

6.4 Battery Cabinets

You can enhance the protection time provided by your UPS by adding one or more battery cabinets. The battery cabinets provided by the UPS manufacturer are equipped with sealed lead-acid, maintenance-free batteries in a cabinet that matches the UPS. Each battery cabinet contains a battery circuit breaker. Several battery capacities are available.

The UPS battery cabinets can be paralleled. With this capability, you can increase your battery backup time by adding battery cabinets to your UPS system. The Powerware 9315 can support up to four battery cabinets.

6.5 External Battery Disconnect

A breaker is located inside each battery cabinet supplied by the UPS manufacturer. However, due to space limitations, your battery cabinets may not be located in the same area as your UPS. An optional external DC circuit breaker provides a manual means of disconnecting a battery that is located remotely from the UPS. The circuit breaker is enclosed in a wall-mounted box. You can install it anywhere between the remote DC supply and the UPS, according to national and local codes.

The breaker switch should be set to ON for normal UPS operation when DC power is available at the UPS. When service personnel are performing maintenance on the UPS or battery cabinet, the switch should be set to OFF.

NOTE There is no DC disconnect device within the UPS.

NOTE The DC input to the UPS is protected by internal fuses F21 and F22.

NOTE The UPS DC disconnect trip signal from TB4, points 1 and 2 (shunt trip) or TB4, points 1 and 3 (UV trip) must be connected to the DC source disconnect device(s).

EATON Powerware® 9315 UPS (200–300 kVA) Operation Manual S 164201036 Rev G www.powerware.com 6−5