American Power Conversion 240-320kW 480V manual Contents

Contents:

1.0	Introduction		4
	1.1	Display Unit	4
2.0	Stop/Start UPS and Operating the External Service Bypass Panel		5
	2.1	Stop UPS (for stand-by)	5
	2.2	Start UPS (from stand-by)	5
	2.3	Stop UPS (for complete power down)	6
	2.3.1	Switching off the UPS	6
	2.4	Start UPS (from complete power down)	7
	2.4.1	UPS Start-up	7
	2.5	Operating the External Service Bypass Switch (single systems)	9
	2.5.1	Bypassing the Single System UPS	9
	2.5.2	Switching the Single System UPS from External Bypass into
		Normal UPS Operation	10
	2.6	Operating the External Service Bypass Switch (parallel systems)	12
	2.6.1	Bypassing the Parallel UPS System (All UPSs)	12
	2.6.2	Switching the Parallel System from External Bypass into
		Normal UPS Operation	14
	2.7	Isolating one UPS in a Parallel Configuration for
		Service/Maintenance	16
	2.7.1	Isolating one UPS in a Parallel/Redundant System	16
	2.7.2	Switching Back the UPS to Normal Parallel/Redundant Operation	16
3.0	Operation		18
	3.1	Keyboard	18
	3.2	Display of Measured Values	19
	3.3	Using the Remote Display	20
	3.4	Economy Mode	20
4.0	Parameter Settings		21
	4.1	Programming Keys	22
	4.2	Switching to Bypass Operation	22
5.0	Alarms and Events		24
	5.1	Displaying the Alarm Stack	24
	5.2	Displaying the Event Stack	24
	5.3	Possible alarms	25
	5.4	Rectifying Alarm Messages	27
	5.5	Parallel Operation Alarms	27
6.0	Maintenance & Testing		28
	6.1	Fan	28
	6.2	Battery Monitoring Test	28
	6.3	Battery Capacity Test	28
7.0	Warranty		30
	7.1	APC Silcon UPS Limited Factory Warranty	30
8.0	How to Contact APC		31
			990-4039
User Guide APC Silcon 240-320kW 480V UPS			3