Xtreme Power Conversion Corporation
XPRT 6kVA & 10kVA User’s Manual
Page 39
Uninterruptible Power Supply
i.
Remove the BYPASS PROTECTION COVER.
10KVA MAINTENANCE BYPASS SWITCH TO UTILITY
ii.
Remove the BYPASS LOCK PLATE before switching to BYPASS.
iii.
Press the keypad UPS OFF button on the front panel for 1 second.
iv.
Switch the Maintenance Bypass Switch to BYPASS.
v.
Open the OUTPUT CIRCUIT BREAKER.
vi.
Open the INPUT CIRCUIT BREAKER.
2.
The UPS is now operating in UTILITY BYPASS MODE and maintenance can be performed.
NOTE
After the UPS is shutdown or in “External Bypass” condition, the residual DC voltage in the unit
will be eliminated within 5 minutes.
Once the maintenance is performed on the UPS, resume normal conditions by following these steps:
1.
Close the INPUT CIRCUIT BREAKER.
2.
Wait 45 seconds to allow the output voltage to stabilize.
3. Press the keypad UPS ON for 1 second. Within a few seconds OPERATION LED will be illuminated and BY-
PASS LED will be extinguished.
4. Switch the UPS to BYPASS by pressing the keypad UPS OFF on the front panel for 1 second.
5.
Close the OUTPUT CIRCUIT BREAKER.
6.
For the 6kVA switch the Maintenance Bypass Switch to UPS position.
6KVA MAINTENANCE BYPASS SWITCH TO UPS
7. For the 10kVA switch the Maintenance Bypass Switch to UPS position and secure the bypass lock plate.
