Manual de operaciones
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17
5.
Switch OFF the maintenance bypass switch, then the output is supplied by the bypass of the modules.
6.
Put on the maintenance switch cover (1.2m cabinet).
The rectifier will operate normally after 30 seconds. If the inverter works normally, the system will be transferred
from bypass mode to normal mode.
Cold start procedure
1.
Switch on the battery switch
.
The battery will feed the Auxiliary power board
.
2.
Switch on the Output switch
3.
Trigger the cold start button of the bypass module (
Fig. 3-6
).
When battery normal, rectifier starts
operation, 30 s later, inverter starts and operates and the green LED will light on.
Fig. 3-6 Cold Start
Shut down procedure
1.
Press the INVERTER OFF key on the LCD display.
2.
Switch OFF the BATTERY breaker.
3.
Open the UPS door to easily access to the main power switch.
4.
Switch OFF the input switch.
5.
Switch OFF the OUTPUT switch. The UPS shuts down.
WARNING
Follow these procedures when the input AC Utility Failure, but battery is normal.
WARNING
Please press the close start button after 30 seconds until closing the battery switch.
WARNING
This procedure should be followed to completely shut down the UPS and the LOAD. After all power switches,
isolators and circuit breakers are opened, there will be no output.
