APsystems ECU-3Z User manual

1 2018/01/05 REV1.1 Quick Installation Guide

ECU-3Z Energy Communication Unit Quick

Installation Guide

Version: W2

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.

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.

Keep pressing the button “Menu”until the screen shows "Turn on LWA". Then the LWA

function of ECU is opened.

Turn on the Wi-Fi function on PC. Connect to the ECU’s Wi-Fi named with

ECU-WIFI_xxxx(the“xxxx”refers to the last 4 numbers of the ECU ID), and connect. The

first connection has no password.

Open an internet browser and enter the IP address

172.30.1.1 into the URL search field. Click

“Administration” - “WLAN”, and turn on the WLAN

function, then connect to the router

via WiFi. For details, please refer to ECU-3Z user manual.

The ECU will automatically obtain the LAN IP address, such as: 192.168.1.101, and connect to

the internet. If the LAN IP address shows “192.168.131.228”, 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.

Antenna of

Microinverter

LAN IP address

Wireless IP address

2 2018/01/05 REV1.1 Quick Installation Guide

Step 4: Connect microinverters to ECU.

1) Using a computer that is connected to the internet, enter the LAN IP address or

wireless IP address from the ECU display into the Internet Browser. This should bring up

the screen below.

2) Click “Administration”, then click “ID management”, and enter the inverter IDs into

the ID Management box, or use the Scanning Gun to scan the inverter IDs and copy into

the ID Management box. Or using the EMA App, scan the inverter IDs by mobile phone.

3) Click “Update”, and the ID will be updated in the ECU.

Step 5: Check power of the microinverters

1) Click “Real Time Data” from the ECU Home, to view the real-time power of all

microinverters.

2) If a microinverter does not show up, please confirm if the inverter's ID is correctly input.

Step 6: Configure time-zone

·Click “Administration”, then “Date, Time, Time-zone”.

Product information is subject to change without notice.

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