APsystems ECU-B Installation/User Manual
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2. Interface Explanation
2.2 Reset
Press the Reset button for three seconds or longer, and the ECU-B will
automatically return to the default settings.
The wireless password will be changed to “88888888”.
Interface Explanat
2.3 Power Connection Port
The power connection port connects power through the power adapter.
2.4 Antenna
The antennas in the package should be connected to ECU-B. One antenna is
used for the communication between ECU-B and inverters, the other
antenna is used for the Wi-Fi connection between ECU-B and router.
2.5 USB port
The USB interface is reserved.
2.6 AP
The AP button enables to turn on the ECU wifi hotspot. When setting up the
ECU, installer needs to first connect to the ECU hotspot via his smart phone
or tablet.
Press the AP button for a few seconds: the ECU hotspot will be live for one
hour. If more time is needed to set-up the ECU, press the AP button to
reactivate the hotspot.