5 Use and Operation
MR33 Series (75K-600K) Modular UPS
User Manual
90
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Start the inverter by panel ON combination button 1
When the green indicator of all power module slow flicker, long press the panel “ON”
combination button for 3s, the system inverters to output. Check the system running status in the
touch screen, and ensure that the system turns to inverter power supply mode. During testing,
ensure that the UPS three-phase output voltage and frequency is normal through the real-time
data in the touch screen.
Start the inverter by touch screen 2
In main page of touch screen, click
icon, it will enter the ON/OFF page, as shown in
OK
to perform the start operation.
Figure5-2
ON/OFF page
Step 5
After start the inverter, UPS turns to inverter to supply power. User can check the system running
status chart and ensure if the system turns to inverter supply power. During testing, ensure that the
UPS three-phase output voltage and frequency is normal through the real-time data in the touch
screen.
Step 6
Close the OUTPUT switch, measure the output voltage, output frequency by multimeter, and ensure
the voltage and frequency normal, and then, the UPS can be put into use.
Step 7
Start the load. Generally, start the large-power device first, and then start the small-power device.
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