Manual de operaciones
www.zigor.com
15
Maintenance mode (Manual Bypass)
A manual bypass switch is available to ensure continuity of supply to the critical load when the UPS is out of order
or in repair. This manual bypass switch is fitted for all UPS modules and bears for equivalent rated load (Fig. 3-5).
Fig. 3-5 Maintenance mode
3.2 Turn on/off UPS
Restart procedure
1.
2.
Open door of the UPS to access to the main power switches. During this procedure the output terminals
will become alive.
3.
and fix with screws and the module_in switch at the on status.
4.
When AC MAINS input voltage within the range, and the rectifiers of the UPS will be started up in 30
up.
5.
Switch ON output switch.
If the rectifier of the module does not start-up, the green LED will flash, bypass module green LED will light
on, the power module green LED will flash. when UPS turn to inverter mode power module and display
panel green LED will light on.
No matter the UPS is operated normally or not, the LCD display will indicate current status.
WARNING
Make sure grounding is properly done.
WARNING
Check to see if the load is safely connected with the output of the UPS. If the load is not ready to receive power
from the UPS, make sure that it is safely isolated from the UPS output terminals.