Powerware 650825 kVA operation manual UPS Cabinet

UNDERSTANDING UPS OPERATION

AC Input to UPS

Rectifiers 3 Wire

A−B−C Rotation

A		A		A		A
UPM 4		UPM 3		UPM 2		UPM 1
	E1,		E1,		E1,		E1,
	E2,		E2,		E2,		E2,
	E3		E3		E3		E3

Battery Aux

48V Battery

Shunt Trip

Remote EPO

Interface Board

Building Alarms

Alarm Relays

X−Slot

Interface

Input	Input	Input	Input
Contactor	Contactor	Contactor	Contactor
(K1)	(K1)	(K1)	(K1)
Rectifier	Rectifier	Rectifier	Rectifier
Fuse	Fuse	Fuse	Fuse
Fuse	Fuse	Fuse	Fuse
Fuse	Fuse	Fuse	Fuse
Inverter	Inverter	Inverter	Inverter
Output	Output	Output	Output
Contactor	Contactor	Contactor	Contactor
(K3)	(K3)	(K3)	(K3)
						AC Output
						to Critical
Battery	Battery	Battery	Battery		E10,E9,	D Load
					E11,
Converter	Converter	Converter	Converter
					E12
Fuse	Fuse	Fuse	Fuse
Battery Contactor (K2)	Battery Contactor (K2)	Battery Contactor (K2)	Battery Contactor (K2)
UPM 4	UPM 1	UPM 2	UPM 3
FI−UPM CABINET	E4. E5	E4. E5	E4. E5	UPS CABINET
C	C	C	C
Battery	Battery	Battery	Battery
Breaker	Breaker	Breaker	Breaker
BATTERY SYSTEM	BATTERY SYSTEM	BATTERY SYSTEM	BATTERY SYSTEM
(Not supplied with the UPS)	(Not supplied with the UPS)	(Not supplied with the UPS)	(Not supplied with the UPS)

NOTE Callout letter A maps to Table 3-6on page 3−11. Callout letters B, C, and D map to Table 3-5on page 3−10.

Service Connector

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.

Figure 6-16. Plus 1 UPS System – Separate Rectifier Feed, Separate Battery, IOM Configuration

EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com 6−19