American Power Conversion 240-320kW 400V manual Operating The External Service Bypass Switch

Options/Accessories

6.1.3 Operating The External Service Bypass Switch

Action
1.	Press	on the keyboard		Display shows
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 Service Bypass Panel
5.	Check lamp indication on the Service Bypass Panel			The Green lamp (H003)
				above the bypass switch
				handle (Q003) lights

6.Turn the external bypass switch (Q003) to position ”1“

7.Turn the output switch (Q002) to position ”0“

8.Open the front door and press both the green ”ON“ and the red ”OFF“ keys simultaneously

The Green lamp (H002) above the output switch handle (Q002) lights

Only the lamp (H002) above the output switch handle (Q002) lights now

Display shows

** System OFF **

The acoustic alarm sounds for 30 sec.*

9.Turn the input switch to position ”0“

The red alarm LED below the display lights and the acoustic alarm sounds for 30 sec.

* The acoustic alarm can be reset by the key

EMERGENCY (UPS not alive)

1.Turn the input switch (Q001) to position ”0“.

2.Turn the output switch (Q002) to position ”0“.

3.Change any released system input fuse(s).

4.Turn the bypass switch (Q003) to position ”1“.

990-4045a

Installation Guide APC Silcon 240-320kW 400V UPS 45