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Step 1 In system management page, click the ON/OFF icon , it will enter ON/OFF page. Select OFF icon and
press the OK icon for more than 3 sec., the inverter will be shut down.
Step 2 After switch to bypass and the energy flow on the touch screen shows as bypass output, open the cover
of manual maintenance breaker at the back of the cabinet, place the manual maintenance breaker to
ON position.
Step 3 Disconnect the bypass breaker (BYPASS), mains input breaker (POWER), output breaker (OUTPUT) and
battery breaker of battery cabinet.
Note:
When the bypass input voltage or frequency exceeds the setting value, shutting down the inverter will
cause system without output, and the power supply for load will be interrupted.
Note:
The inverter also can be shut down by OFF combination button on the panel, but generally, it is not
suggested to perform this operation.
6.3.3 UPS shut down
6.3.4 Switch to bypass mode manually
When the system bypass is normal, after the UPS shut down, system will turn to bypass
power supply mode; when system bypass is abnormal, after the UPS shut down, system
will be with no output. Before shutting down, please ensure that the load is closed.
CAUTION
6.3.5 Switch to maintenance bypass mode from inverter output
Only qualified professionals can perform the following operation. Manufacturer does not
take charge of the problem caused by the operation of untrained person.
CAUTION
During maintenance, it is strictly forbidden to close the output breaker (OUTPUT).
CAUTION
Before shutting down the inverter of UPS, please ensure that the
bypass is normal. When bypass is abnormal, after shuting down
the inverter manually, the system will be with no output and the
power supply for load will break off.
Shut down the UPS inverter, please see 6.3.3 UPS Shut down. The
UPS can be shut down by touch screen or OFF combination button
on the panel. System will turn to bypass to supply power
automatically.
CAUTION
• Shutdown by touch screen
Click the icon in the main page, it will enter ON/OFF page, click OK to perform the operation, as shown in
Figure 6-3.
Figure 6-3. Confirm to shut down
6.3.6 Switch to inverter output from maintenance bypass
Before performing the operation of switching to inverter power supply from maintenance
bypass, please ensure that the system bypass input is normal.
CAUTION
Confirm to Power Off?
Off
OK
Cancel