American Power Conversion 60-80kW 208/480V manual Bypassing the Single System UPS

Stop/Start UPS and Operating the External Service Bypass

2.5Operating the External Service Bypass Switch (single systems)

2.5.1 Bypassing the Single System UPS

			Utility	Load
			Service Bypass
			Switch
			APC Silcon
			UPS
Action				Display shows
1.	Press	on the keyboard
2.	Press	or	on the keyboard until	Bypass operation
				: NO
3.	Press	on the keyboard		Bypass operation
				: YES
4.	Press	on the keyboard
				Lamp indication on
				Bypass Panel

5.Check light indication on the bypass panel

6.Set the external bypass switch (Q003) to position 1

7.Set the output switch (Q002) to position 0

8.Open the front door and press the red OFF button

The acoustic alarm sounds for 30 seconds*

9.Set the input switch (Q001) to position 0

The red alarm LED below the display lights up and the acoustic alarm sounds for 30 seconds*

*Use the key to reset the acoustic alarm

Green light (H003) above the bypass switch handle (Q003) lights up

Green light (H002) above the output switch handle (Q002) lights up

Only the light (H002) above the output switch handle (Q002) is now on

Display shows

**System OFF**

	990-4035
User Guide APC Silcon 60-80kW 208V/480V UPS	9