Stop/Start UPS and Operating the External Service Bypass
Action | Display shows |
|
1.Check that the output switch (Q004) is set to position 0
2.Check that all output switches (Q002) are set to position 1
3. Set input switches (Q001) to position 1 | **System OFF** |
4.Wait 10 secs.
Open the UPS front door and
press the green ON button on all systems | Normal operation | ||
load power 0% | |||
|
| ||
5. Press | on the keyboard |
| |
6. | Press | or | on the keyboard until |
7. | Press | on the keyboard | |
8.Press 
on the keyboard
All systems switch to bypass operation
Note!
If Q002s are in position 0 off, only programmed systems will switch to bypass
9.Set the output switch (Q004) to position 1
10.Turn the bypass switch (Q003) to position 0
The following can be carried out on any UPS
11. Press | on the keyboard | |
12. Press | or | on the keyboard until |
13. Press | on the keyboard | |
14. Press | on the keyboard | |
All the systems will transfer to normal operation
Bypass operation
: NO
Bypass operation
: YES
Bypass operation
Lamp indication on Bypass Panel
H002 and H004 light up
Green light (H003) above bypass switch lights up
The green lamps (H002) and (H004) are switched off, but (H003) is lit until normal operation.
Display shows
Bypass operation
: YES
Bypass operation
: NO
Normal operation
load power 0%
No lamps on the bypass panel are lit
16 | User Guide APC Silcon 480kW 400V UPS |