Stop, Start & Operating the External Service Bypass Panel
Single Utility
Dual Utility
2.6Operating the external service bypass switch, single systems
2.6.1Bypassing the 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 bypass panel
WARNING!
If the UPS is out of service for more than 48 hours the connected batteries might be damaged. Refer to total “Switching off“ as described in
5.Check lamp indication on the bypass panel
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 the red “OFF“
The acoustic alarm sounds for 30 secs.*
9.Turn the input switch (Q001) to position “0“. Turn the bypass input switch (Q010) to position “0”, if dual utility is present.
The red alarm LED below the display lights and the acoustic alarm sounds for 30 secs.
The green lamp (H003) above the bypass switch handle (Q003) lights
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**
chapter 2.4.1.
7OA0002 US rev. 04
* The acoustic alarm can be reset by the 
key
EMERGENCY (UPS not alive)
1.Turn the bypass switch (Q003) to position “1“.
2.Turn the output switch (Q002) to position “0“.
3.Turn the input switch (Q001) to position “0“.
4.If dual utility is present, turn bypass input switch (Q010) to position “0”.
5.Change released system input fuse(s), if any.
8 | User Guide Silcon DP300E Series 480V |