charger listing for details on supported models and charger specifications.
The following firmware versions have been confirmed to work with Charge HQ.
40.7 or higher
Charger Firmware can be updated via the Fronius Wattpilot app under the Internet tab.
Always follow the safety instructions provided with your charger. Always use a qualified electrician where required.
When configuring the charger, ensure that the maximum charge Amps remain correctly configured to match the circuit the charger is connected to. This step should be completed by the installer of the charger.
Step 1 - Obtain an EVSE ID from Charge HQ
Open the Charge HQ app
Go to Settings tab -> My Equipment -> Connect your Smart Charger
EVSE ID: this will be entered into your smart wall charger, note down that value displayed on your app or copy it to the clipboard. You will use this in Step 5.
Min and Max Power (A): Update these if you believe they are different to the default settings.
Note: The EVSE ID is a unique identifier for your charger, it cannot be the same as any other OCPP charger that is connected to Charge HQ. For this reason Charge HQ will provide you with a known-unique value that you can set in your charger.
Step 2 - Commission Charger
Follow the Fronius guides to commission the charger, ensuring that:
You have installed the Fronius Wattpilot app
The Wattpilot charger is visible in the app
The charger is connected to the Internet.
Step 3 - Setup OCPP
In the Fronius Wattpilot app
Click Internet tab
Click OCPP menu
Toggle OCPP 1.6J to on
Address of OCPP server: ws://ocpp.chargehq.net/ocpp16/EVSEID
Where EVSEID is replaced with the value obtained in step 1
Phase assignment: default settings
User-defined certificate: disabled
Step 4 - Confirm communication with Charge HQ
Lastly - confirm that the charger is connected to Charge HQ.
In the Charge HQ app, navigate to Settings → My Equipment → Smart Charger
Confirm that the Connection State reads “Online”
Step 5 - Confirm ability to control charging
From the home screen of the Charge HQ app, select “Charge Now”
Confirm that the LED lights on the charger and the display on your EV indicate the vehicle is charging.
Confirm that charging is occurring at the configured rate (Amps)
From the home screen of the Charge HQ app, select “Stop”
Confirm that charging of your EV has stopped.
Step 6 - Continue Charge HQ configuration
Charge HQ can now control your Fronius Wattpilot wall charger via Charge HQ.