APsystems ECU-B Quick Installation Manual

APsystems Energy Communication Unit
This guide is for reference only and assumes you have access to, and have read the detailed
instructions in the ECU-B User Manual (available at APsystems.com).

Step 1: Power-on ECU-B


Make sure the adapter is properly connected to the power port on the top of the ECU-B.
 Plug the adapter into a dedicated standard AC electrical outlet.

Step 2: Antenna Up ECU-B

 Make sure the antenna is properly connected to corresponding position on the top of the
ECU-B.

Step 3: Connect your smartphone to ECU-B

1 : Open Wi-Fi setting in your smartphone, select ECU-B hotspot.
2 : Connect to the ECU-B via the Local Wireless, the default password is "88888888".
3 : Once the connection is established with the ECU-B hotspot, open the EMA Manager APP.
Step 4 : Connect Microinverter to ECU-B
1 : Open the EMA Manager.
2 : Click "ECU APP" on the login page to enter the Local Control.
3 : Click "Workspace", select the ID management, input the micro ID with the SCAN function or
manually, select the IDs and click Sync to enter IDs into ECU-B. If you want to clean up all the IDs,
please select the IDs and click "Delete" and then "Sync".
4 : Select "Home" at the bottom of the page. The Home Page is displayed.
5 : View the real-time system operation data statistics for your solar array.
ECU-B Quick Installation Guide
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2021/09/08 REv2.1 Quick Installation Guide