Stop, Start & Operating the External Service Bypass Panel
Single Utility
H003
Utility |
|
|
| Load |
|
| Q003 |
| H004 |
|
| Service |
| |
|
| bypass | Q004 |
|
|
| switch |
| |
|
|
|
| |
|
| H002b | H002a | |
Q001a | Q001b |
| Q002b | Q002a |
|
| DP300E |
|
|
DP300E
Dual Utility
| H003 |
|
Utility 2 |
| Load |
| Q003 |
|
Service bypass switch | H004 | |
| Q004 |
|
H010a |
|
|
Q010a | H002a |
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|
| |
Utility 1 | DP300E |
|
Q001a | Q002a |
|
H010b |
|
|
Q010b | H002b |
|
2.7Operating the external service bypass switch, parallel systems
2.7.1Bypassing the parallel UPS system
Action
Point
|
|
| Display shows |
1. | Press | on the keyboard | |
|
|
| Bypass operation |
|
|
| : NO |
2. | Press | or | on the keyboard until |
|
|
| Bypass operation |
3. | Press |
| : YES |
on the keyboard | |||
4.Press 
on the keyboard
All systems will transfer to bypass operation | Bypass operation |
Do not switch off any of the UPS systems until point
Lamp indication on bypass panel
|
|
|
| DP300E |
|
|
| |
|
|
|
|
| ||||
Q001b |
|
|
| Q002b | ||||
|
|
| ||||||
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 chapter 2.4.1.
5.Check lamp indication on the bypass panel
6.Turn the external bypass switch (Q003) to position “1“
7.Turn the output switch (Q004) to position “0”
8.Turn all output switches (Q002) to position “0“
9.Open the front door and press the red “OFF”
The acoustic alarm sounds for 30 secs.* Repeat for (all) other system(s)
The green lamp (H003) above the bypass switch handle (Q003) lights
The green lamp (H004) above the output switch (Q004) and the green lamps (H002) above the output switch handles (Q002) light
H003 turn off
H002 & H004 still lights
H002 & H004 still lights
Display shows
**System OFF**
7OA0002 US rev. 04
10 | User Guide Silcon DP300E Series 480V |