9, or figure, Ac d – Powerware 9395 UPS and Plus 1 UPS 650825 kVA User Manual

Page 124

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UNDERSTANDING UPS OPERATION

EATON Powerware

®

9395 UPS (650–825 kVA) Installation and Operation Manual

S 164201725 Rev 2 www.powerware.com

6−12

Input Breaker

(CB1)

(optional)

X−Slot

Interface

E1, E2, E3

48V Battery

Shunt Trip

NOTE Callout letters

A

,

B

,

C

, and

D

map to Table 3-4 on page 3−9.

NOTE If the load requires a neutral, a bypass source neutral must be provided. If the load does not require a neutral and there is no neutral conductor
connected at the bypass input, a neutral to ground bonding jumper must be installed. DO NOT install both a source neutral and a bonding jumper.

UPS

CABINET

AC Output to

Critical Load

E9, E10,

E11, E12

AC Input to

UPS Rectifier
3 Wire A−B−C

Rotation

Interface Board

Battery Aux

Remote EPO

Building Alarms

Alarm Relays

Service Connector

Battery

Converter

Inverter

Output

Contactor

(K3)

Fuse

Rectifier

Input

Contactor

(K1)

Battery Contactor (K2)

Fuse

Fuse

Fuse

UPM 2

Battery

Breaker

BATTERY SYSTEM

E4. E5

Battery

Converter

Inverter

Output

Contactor

(K3)

Fuse

Rectifier

Input

Contactor

(K1)

Battery Contactor (K2)

Fuse

Fuse

Fuse

UPM 3

(Not supplied with the UPS)

Battery

Converter

Inverter

Output

Contactor

(K3)

Fuse

Rectifier

Input

Contactor

(K1)

Battery Contactor (K2)

Fuse

Fuse

Fuse

UPM 1

A

C

D

Figure 6-9. UPS System – Common Rectifier Feed, Common Battery, IOM Configuration

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