Stop, Start & Operating the External Service Bypass Panel
Single Utility
H003
Utility | Load |
Q003 | H004 |
Service | |
bypass |
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2.7.2Switching the parallel system from external bypass into normal UPS operation
Action | Display shows |
|
| switch | Q004 |
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| |
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| H002b | H002a | |
Q001a | Q001b |
| Q002b | Q002a |
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| DP300E |
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| DP300E |
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Dual Utility
H003 |
|
Utility 2 | Load |
Q003 |
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Service bypass switch | H004 |
| Q004 |
H010a |
|
Q010a |
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1.Check that the output switch (Q004) is in position “0”
2.Check that all output switches (Q002) are in position “1”
3.Turn input switches (Q001) to position “1”
4.On systems with dual utility, turn bypass input switches (Q010) to position “1”
5.Wait 10 sec. Open the UPS front door and press the green “ON”
6.Press 
on the keyboard
7.Press 
or 
on the keyboard until
8. Press | on the keyboard |
9. Press 
on the keyboard
**System OFF**
Normal operation
load power 0%
Bypass operation
: NO
Bypass operation
: YES
| H002a |
Utility 1 | DP300E |
Q001a | Q002a |
H010b |
|
Q010b | H002b |
| DP300E |
Q001b | Q002b |
NOTE:
If battery has been discon- nected please refer to “Starting Up” in Chapter 2.5.1 to connect
All systems will transfer to bypass operation
NOTE:
if Q002‘s are off “0“ only programmed systems goes to bypass
10.Turn the output switch (Q004) to position “1”
11.Turn the bypass switch (Q003) to position “0”
Bypass operation
Lamp indication on bypass panel
H002 & H004 lights
The green lamp (H003) above the bypass switch also lights.
The green lamps (H002) and (H004) do not light any longer, but (H003) will light until normal operation.
7OA0004 US rev. 02
12 | User Guide Silcon DP300E Series 480V |