Installation guide
72 Installation Guide Silcon DP300E 208V/480V 10-80 kVA
7OY0002 US rev. 04
Action
1. Press
on the keyboard
2. Press or on the keyboard until
3. Press on the keyboard
4. Press on the keyboard
The system will transfer to bypass operation.
5. Check lamp indication on the bypass panel The Green lamp (H003)
above the bypass switch
handle (Q003) lights
6. Turn the external bypass switch (Q003) The Green lamp (H002)
to position „1“ above the output switch
handle (Q002) lights
7. Turn the output switch (Q002) to position „0“ Now only the lamp (H002)
above the output switch
handle (Q002) lights
8. Open the front door and press the red “OFF”
key.
The acoustic alarm sounds for 30 secs.*
9. Turn input switch (Q001) 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
Options/Accessories
Bypass operation
: NO
Bypass operation
: YES
**System OFF**
Display shows
Display shows
Lamp indication
on bypass panel
WARNING!
If the UPS is out of service for
more than 8 days the
connected batteries might be
damaged. Refer to total
“Switching off“ as described in
Chapter 7.0.
DP300E
Q003
Service
bypass
switch
H003
Q001
Q002
LoadMains
H002
Single Mains
Bypass operation
8.3.6 Operating the external service bypass switch
8.3.6.1 Bypassing the UPS
EMERGENCY (UPS not alive)
1. Turn the input switch (Q001) to position „0“.
2. Turn the output switch (Q002) to position „0“.
3. Change any released system input fuse(s).
4. Turn the bypass switch (Q003) to position „1“.