C750 & C750R User
Manual Page 47
5.5 STARTING UP THE UPS WITH UTILITY
Startup preparation:
•
Verify that the total UPS output load does not exceed the rated capacity of the UPS.
•
The wiring of the UPS input and output is correctly connected according to the required mode.
•
Confirm that the UPS output device is not started.
•
Make sure the UPS is reliably connected to the battery.
•
Connect communication interfaces that need to be used
.
Startup the UPS with utility power:
1.
Turn on input breaker and output breaker.
2.
The fan starts to rotate, the LCD displays startup animation, then enters the main page.
3.
UPS default Bypass enable, the main page shows UPS working in bypass mode.
4.
The default input/output mode is three-input and three-out. If it is inconsistent with the actual wiring, it needs
to be changed to the actual wiring mode.
5.
Press the button for more than 1 second, the buzzer will beep and the UPS will start up. After a few seconds,
the UPS will go to normal mode.
6.
If the utility power is abnormal, the UPS will transfer to Battery mode.
7.
When the battery is not connected, the UPS can still be startup. After the startup, there is alarm of battery
not connected. If the utility power is abnormal, the UPS load will not be protected.
8.
The load is powered by the UPS and the LCD shows a charging sign indicating that the battery is charging.
9.
Startup the output device.
Changing Input/Output mode
The input/output mode is modified by the service personnel:
1.
Pull out the RPO connector.
2.
Turn on input breaker, check the UPS mode in the LCD. If it is different from the actual wiring mode, change
to the actual wiring mode.
3.
Power off the UPS completely. Then power on, confirm that the mode is set correctly.
4.
Power off the UPS again, insert the RPO terminal.
Before startup the UPS, please make sure that the wiring is securely connected, otherwise
there is a danger of electric shock.
If you want to cancel the Bypass enable function, please refer to chapter “User setting”.