5 Use and Operation
UPS IST7 Series (60K-200K)
User Manual
94
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5.3.4 Switch to Bypass Mode Manually
Before shutting down the inverter of UPS, please ensure that the bypass is normal. When bypass
abnormal, after shutdown the inverter manually, the system will be with no output and the power supply
for load will be interrupted.
Shut down the UPS inverter, please see Step 2 in
. System will turn to bypass to
supply power automatically.
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.
5.3.5 Switch to Maintenance Bypass Mode From Inverter Output
Unless professional person, no one can perform the following operation. Manufacturer does not take
charge of the problem caused by the operation of untrained person.
Step 1
In system management page, click the ON/OFF icon, it will enter ON/OFF page, then click
Confirm
button to shut down device.
The inverter also can be shut down by OFF combination button on the panel for 3 seconds, but generally,
it is not suggested to operate like this.
Step 2
After switch to bypass and the energy flow on the touch screen shows bypass output, set the
maintenance bypass switch to ON.
Step 3
Switch off the mains switch
→
external battery switch
→
bypass switch.
Step 4
Switch off the output switch, after the touch screen and all LED indicators are all off, the maintenance
can be done.
Summary of Contents for IST7 Series
Page 1: ...UPS IST7 60 200kVA Series User Manual www aecups com ...
Page 2: ......
