Powerware 650825 kVA operation manual Contactor K5, Load, E4. E5, Battery Breaker

UNDERSTANDING UPS OPERATION

AC Input to	AC Input to		Battery Aux	Building Alarms
UPS Rectifier	Bypass
3 Wire A−B−C	3 or 4 Wire A−B−C		48V Battery	Alarm Relays
Rotation	Rotation	Bypass	Shunt Trip	X−Slot
		Breaker
A	B		Remote EPO	Interface
		(CB4)
E1, E2, E3	E6, E7,			Interface Board
	E8, E12
Single−feed Kit

	Input Breaker	(Not supplied		Static
	(CB1)	with the UPS)	Fuse	Switch
					Backfeed
	(optional)
					Contactor (K5)
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	UPS CABINET

C

Battery

Breaker

BATTERY SYSTEM

(Not supplied with the UPS)

NOTE Callout letters A, B, C, and D map to Table 3-4on page 3−9.

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 6-7. Plus 1 UPS System – Common Rectifier Feed, Common Battery, Dual-Feed Configuration

6−10 EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com