American Power Conversion 240-320kW 480V manual Press On the keyboard

Stop/Start UPS and Operating the External Service Bypass

Action Display shows

1.Check that the output switch (Q004) is set to position 0

2.Check that all output switches (Q002) are set to position 1

3. Set input switches (Q001) to position 1 **System OFF**

4.Wait 10 secs.

Open the UPS front door and

press the green ON button on all systems		Normal operation
		load power 0%
5. Press	on the keyboard

6.	Press	or	on the keyboard until
7.	Press	on the keyboard

8.Press on the keyboard

All systems switch to bypass operation

Note!

If Q002s are in position 0 off, only programmed systems will switch to bypass

9.Set the output switch (Q004) to position 1

10.Turn the bypass switch (Q003) to position 0

The following can be carried out on any UPS

11. Press	on the keyboard
12. Press	or	on the keyboard until
13. Press	on the keyboard
14. Press	on the keyboard

All the systems will transfer to normal operation

Bypass operation

: NO

Bypass operation

: YES

Bypass operation

Lamp indication on Bypass Panel

H002 and H004 light up

Green light (H003) above bypass switch lights up

The green lamps (H002) and (H004) are switched off, but (H003) is lit until normal operation.

Display shows

Bypass operation

: YES

Bypass operation

: NO

Normal operation

load power 0%

No lamps on the bypass panel are lit

	990-4039
User Guide APC Silcon 240-320kW 480V UPS	15