Stop, Start & Operating the External Service Bypass Panel

10.Turn all input switches (Q001) to position “0“. On systems with dual utility, turn bypass input switches (Q010) to position “0”.

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

*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 (Q004) to position “0”.

3.Turn the output switches (Q002) to position “0“.

4.Turn the input switches (Q001) to position “0“.

5.If dual utility is present, turn the bypass input switch (Q010) to position “0”.

6.Change released system input fuse(s), if any.

7OA0002 US rev. 04

User Guide Silcon DP300E Series 480V 240-320kVA

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APC DP300E manual Emergency UPS not alive