Installing Your Meross Smart WiFi Dimmer Switch

What You'll Need

• Meross Smart WiFi Dimmer Switch
• Phillips head screwdriver
• Wire strippers
• Voltage tester
• Smartphone with Meross app
• 2.4GHz WiFi network
• Neutral wire required

Step-by-Step Setup

1. Turn off power: Switch off circuit breaker. Verify with voltage tester.
2. Check WiFi signal: Ensure strong 2.4GHz signal at switch location.
3. Remove existing switch: Unscrew wall plate and disconnect wires.
4. Locate neutral wire: Find the white wire bundle in your electrical box.
5. Connect Meross dimmer: Wire Line, Load, Neutral, and Ground per instructions.
6. Mount switch: Push wires back and secure switch with screws.
7. Attach wall plate: Install Decora-style plate (not metal - reduces WiFi signal).
8. Restore power: Turn breaker on. LED flashes amber/green for setup mode.
9. Open Meross app: Follow setup wizard to connect to WiFi.

Key Features

• Built-in WiFi - no hub required
• Works with Alexa, Google, SmartThings
• HomeKit compatible (select models)
• 400W incandescent or 150W LED capacity
• Scheduling and timers
• Smooth dimming control
• LED status indicator
• Single-pole installation

Troubleshooting

• LED flashing amber/green: Setup mode - complete WiFi configuration in app.
• Solid red/amber LED: No internet. Check router connection.
• Factory reset: Hold button 5 seconds until solid amber, then release.
• Avoid metal faceplates: Metal decreases WiFi signal strength.