Powerware 9330 UPS Operating Instructions, Using Features 10---1, Communications 12---1

9 UPS Operating Instructions		9---1
9.1	Operation	9---1
9.2	Starting the UPS in Normal Mode	9---1
9.3	Starting the UPS in Bypass Mode	9---2
9.4	Starting the Power Processing Unit	9---3
9.5	Cold Starting the UPS	9---4
9.6	Transfer from Normal to Bypass Mode	9---5
9.7	Transfer from Bypass to Normal Mode	9---6
9.8	Transfer from Normal to High Efficiency Mode	9---6
9.9	Transfer from High Efficiency to Normal Mode	9---6
9.10	Transfer from Normal to Bypass Mode with UPS Shutdown . .	9---7
9.11	UPS and Critical Load Shutdown	9---7
9.12	UPS Maintenance Bypass Transfer	9---7
9.13	Options Cabinet Maintenance Bypass Transfer	9---8
9.14	Using the Power Distribution Module	9---8
9.15	Using the LOAD OFF Pushbutton	9---8
9.15.1	To Use the LOAD OFF Pushbutton	9---8

9.16Using the REMOTE EMERGENCY POWER OFF Switch . . . . . 9---9

9.16.1 To Use the REPO Switch 9---9

10 Using Features		10---1
10.1	General	10---1
10.2	Building Alarm Monitoring	10---1
10.3	General Purpose Relay Contacts	10---1
10.4	Optional Remote Monitor Panel	10---2

11 Responding to System Events		11---1
11.1	General	11---1
11.2	System Event Horns	11---1
11.3	System Event Lights	11---1
11.4	System Event Messages	11---2

12 Communications		12---1
12.1	Description	12---1
12.2	Communications and Expansion Ports	12---1
12.3	Connecting Equipment to a Serial Port	12---1
12.4	Configuring the Serial Ports	12---2
12.5	Terminal Mode	12---3
12.5.1	Display UPS Control Panel	12---3
12.5.2	Event History Log	12---12

vi	Powerware 9330 (10 kVA--40 kVA) Installation and Operation
	164201300 REV. G 061502