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9User Guide Silcon DP300E Series 480V 120-160kVA
7OA0003 US rev. 03
Action
1. Turn the input switch (Q001) to position “1”.
If dual utility is present, turn the bypass
input switch (Q010) to position “1”.
2. Wait 10 sec. Open the UPS front door and
press the green “ON“ key
3. Press
on the keyboard
4. Press or on the keyboard until
5. Press on the keyboard
6. Press
on the keyboard
7. Check lamp indication on the service bypass The green lamp (H002)
panel above the output switch
handle (Q002) lights
8. Turn the output switch (Q002) to position “1“ Now the green lamp (H003)
above the bypass switch
handle (Q003) lights too
9. Turn the bypass switch (Q003) to position “0“ Only the green lamp (H003)
above the bypass switch
handle (Q003) lights
10. Press
on the keyboard
11. Press
or on the keyboard until
12. Press
on the keyboard
13. Press
on the keyboard
14. Press on the keyboard
15. Press on the keyboard
Single Utility
Dual Utility
2.6.2 Switching the system from external bypass into normal
UPS operation
Lamp indication
on bypass panel
Display shows
No lamps on the bypass
panel light any longer
Display shows
Stop, Start & Operating the External Service Bypass Panel
NOTE:
If battery has been discon-
nected please refer to
“Starting Up” in Chapter 2.5.1 to
connect battery(-ies) again.
**System OFF**
Normal operation
load power 0%
Bypass operation
: NO
Bypass operation
: YES
Bypass operation
: YES
Bypass operation
: NO
Normal operation
load power xx%