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
| Single Utility |
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Utility | Load | Utility 2 |
| Service Bypass |
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| Switch |
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| APC Silcon | Utility 1 |
| UPS | |
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Dual Utility
Load
Service Bypass
Switch
APC Silcon
UPS
Action |
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| Display shows | ||
1. | Press | on the keyboard |
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2. | Press | or | on the keyboard until | Bypass operation | |
: NO | |||||
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3. | Press | on the keyboard | Bypass operation | ||
: YES | |||||
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4. | Press | on the keyboard |
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| Lamp indication on | |
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| 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.
Set the bypass input switch (Q010) to position 0 (dual utility).
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**
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User Guide APC Silcon | 9 |
