AEC IST7 20kVA, Руководство пользователя, Страница: 72 / 86

2 Overview
AEC UPS IST7 10-30 KVA
User Manual
64
Close the total output breaker of load.
After the parallel system turns to bypass power supply, close the total output breaker of load, system
bypass supplies power for load.
Start each UPS successively, the system turns to inverter power supply.
2.4.2 Shutdown Parallel System
If the system bypass is normal, after shutting down the UPS, the system will turn to bypass power
supply mode; if the system bypass is abnormal, after shutting down the UPS, the system will turn to
no output mode, the system output is outage.
Before shutting down, please ensure that load is closed and can endure the status of power outage at
any time.
Close the load of parallelsystem, keep the UPS run without load for 5min to eliminate inner heat.
Perform UPS Shutdown to close all UPS, system turns to bypass power supply.
Disconnect the load total breaker, each UPS output breaker (OUTPUT), battery breaker, battery breaker (BYPASS),
mains input breaker (POWER) successively.
If it just needs to close the UPS, system turns to bypass power supply and the load without power
outage, just perform 0; if it needs to power off all UPS system, perform all above steps.
2.4.3 Emergency Power Off (EPO)
Single UPS running
Press the EPO button of the UPS or the EPO button of total system, the UPS will shut down and close
all output.
Multi UPS running in parallel system

EPO linkage is enabled
Press the EPO button of the UPS or the EPO button of total system, all the paralleled UPS will
shut down and close all output.