How to Replace the NexBlue Load Balancer

Overview

This guide explains how to safely remove your existing NexBlue load balancer and install a new one. Follow each step carefully to ensure proper operation and connectivity with your smart meter and the myNexBlue app.

Before You Begin

• Ensure you have the new load balancer and all included cables.
• Keep your phone nearby for app setup.
• Make sure you have access to your electrical cabinet.

⚠️ Warning: Always handle electrical components carefully. If you are unsure, consult a qualified electrician.

Step 1: Remove the Old Load Balancer from the App

1. Open the myNexBlue app.
2. Go to Dashboard.
3. Select Load Balancer.
4. Tap the Settings (gear icon).
5. Scroll to the bottom.
6. Tap Delete.

Step 2: Remove the Old Load Balancer from Cabinet

1. Locate the load balancer inside your electrical cabinet (connected to the smart meter).
2. Disconnect the load balancer from the smart meter.
3. Remove all cables connected to the old load balancer.
4. Take out the old device.

Step 3: Connect the Antenna

1. Unpack the new load balancer.
2. Locate the two antenna cables.
3. Connect both antenna cables to the load balancer.

ℹ️ Note: Both antennas must be connected for optimal performance.

Step 4: Connect the Cables

Inside the package, you will find:

• 3-in-1 cable
• RJ45 cable

Follow these steps:

1. Connect the RJ45 cable to the load balancer.
2. Connect the other end of the RJ45 cable to the 3-in-1 cable.

Connection Flow:
Load balancer → RJ45 cable → 3-in-1 cable → Smart meter

Step 5: Connect to the Smart Meter

Choose the correct connector from the 3-in-1 cable based on your smart meter type:

• P1 port: Use the RJ12 plug
• HAN port: Use the RJ45 plug
• Kamstrup meter: Use the KM plug

1. Insert the correct connector into the smart meter.
2. Wait approximately 1 minute.

✅ The load balancer should power on automatically.

Step 6: Add the New Load Balancer

1. Open the myNexBlue app.
2. Follow the setup guide:
   https://nexblue.com/apps/hc/mynexblue-app/how-to-add-a-charge-pointload-balancer-to-your-location

ℹ️ Important: Keep your phone close to the load balancer during setup.

Troubleshooting

Load Balancer Does Not Turn On

Check the following:

• The correct connector (RJ12, RJ45, or KM) is used for your smart meter.
• All cables are securely connected.

Cannot Add the Device in the App

Ensure:

• Your phone is close to the load balancer.
• The load balancer is powered on.
• Bluetooth and required permissions are enabled on your phone.

FAQs

Q: How long does it take for the load balancer to power on?
A: It should power on within approximately 1 minute after connecting to the smart meter.

Q: Do I need both antenna cables connected?
A: Yes, both antennas must be connected for proper communication.

Q: Can I reuse cables from the old load balancer?
A: No, always use the cables provided with the new load balancer.

Need Help?

If you experience any issues during installation, please contact NexBlue Support.
Once the new load balancer is successfully added, inform support so the connection can be verified.