5 Use and Operation
IST6
Series (200K-600K) Modular UPS
User Manual
98
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Allis Electric
Co., Ltd.
5.3.7 Emergency Power Off(EPO)
Do not perform the EPO operation unless emergency.
Press the EPO button on the panel or external EPO button of system, the UPS will turn to emergency
power off status. At this time, the touch screen shows EPO protection, and the buzzer long beeps.
1.
After pressing the EPO button, the UPS will be with no output, the power supply for load is
interrupted.
2.
When the system stay in maintenance bypass status, after pressing EPO button, the UPS still has
output.
5.3.8 Emergency Power Off Recovery
Step 1
Ensure that the dry contact of monitor card, which connected to the external EPO switch, is not in
emergency power off status.
Step 2
Disconnect the POWER switch, OUTPUT switch and battery breaker of battery cabinet, and wait for
all system indicators off, the UPS is completely power down.
Step 3
Close the POWER switch, BYPASS switch, battery breaker of battery cabinet, system will be started
again, and EPO removes.
----End
5.4 Parallel System Startup and Shutdown
5.4.1 Start Parallel System
Содержание IST6
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