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
Mains | Load |
Service Bypass
Switch
APC Silcon
UPS
Action |
|
| |
1. | Press | on the keyboard | |
2. | Press | or | on the keyboard until |
3. | Press | on the keyboard | |
4. | Press | on the keyboard | |
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 green ON and the red OFF button simultaneously
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
Display shows
Bypass operation
: NO
Bypass operation
: YES
Lamp indication on Bypass Panel
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**
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User Guide APC Silcon 480kW 400V UPS | 9 |