42
5.4 EPO
The EPO button located on the home page (see Fig.5-4) is designed to switch off the
UPS in emergency conditions (e.g., fire, flood, etc.).To achieve this, just press the
EPO
button, and the system will turn off the rectifier, inverter and stop powering the
load immediately (including the inverter and bypass output), and the battery stops
charging or discharging.
If the input utility is present, the UPS control circuit will remain active; however, the
output will be turned off. To completely isolate the UPS, users need to open the
external mains input supply to the UPS
Warning
When the EPO is triggered, the load is not powered by the UPS. Be careful to use the EPO
function.
Fig .5-4 EPO
5.5 Installation of Parallel Operation System
5.5.1 Parallel system diagram
Up to four UPS could be paralleled
，
with a diagram as shown in Fig.5-5.
Summary of Contents for EA990RT G5 10
Page 4: ......
