UPS IST7 Series (60K-200K)
User Manual
5 Use and Operation
95
During maintenance, it is strictly forbidden to close the output switch (OUTPUT).
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5.3.6 Switch to Inverter Output from Maintenance Bypass
Before perform the operation of switching to inverter power supply from maintenance bypass, please
ensure that the system bypass input is normal.
Step 1
Switch on the bypass switch
→
mains switch
→
external battery switch
→
output switch.
Step 2
After the power is normal and the energy flow on touch screen shows bypass output, set the
maintenance bypass switch to OFF. At this time, the bypass supplies power for load.
Step 3
Start the inverter.
When the green indicator of all power units slowly flicker, enter the ON/OFF page by the touch screen,
select ON/OFF icon then click
Confirm
button to start inverter. The UPS turns to inverter output.
The inverter also can be started by ON button on the panel for 3 seconds, but generally, it is not
suggested to operate like this.
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5.3.7 Emergency Power Off(EPO)
Do not perform the EPO operation unless emergency.
Press the external EPO button of system, the UPS will turn to emergency stop status. At this time, the
touch screen shows EPO protection and the buzzer long beeps.
Summary of Contents for IST7 Series
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