APsystems ECU-3Z Quick Installation Manual

APsystem ECU-3Z Quick Installation Guide
This guide is for reference only and assumes you have access to, and have read the detailed
instructions in the ECU-3Z Installation/Users Manual (available at APsystems.com).

Step 1: Power-on ECU

Plug the AC power cord into the AC input on the ECU, and then plug the other end into a
dedicated wall outlet.

Step 2: Adjust the radiation angle

The radiation angle of ECU antenna is indicated as below:
 Please make a appropiate angle for the ECU, which is parallel the antenna of the
microinverter.
Antenna of
Microinverter

Step 3: Connect ECU to Internet

Option 1: LAN connection – use the LAN Cable to connect ECU to a Broadband Router.
Option 2: WiFi connection – use WiFi bridge to connect ECU to a Broadband Router.
 Configure the WiFi Bridge to connect to Wireless Router, please refer to WiFi Bridge User
Manual
 Connect the RJ45 LAN Cable and USB Cable on WiFi Bridge to the RJ45 Port and USB
Port on ECU
The ECU will automatically obtain the LAN IP address, such as: 139.168.200.56, and connect to the
Internet. If the LAN IP address shows "60.190.131.228", it means the ECU failed to get IP address.
Make sure the connection between ECU and Router is working well, then reboot ECU and it will
obtain IP address.

Step 4: Connect microinverters to ECU.

1) Using a computer that is connected to the internet, enter the LAN IP address from the
ECU display into the Internet Browser. This should bring up the screen below:
Version: W1
1 REV1.5 Quick Installation Guide