AVATTO LZWSM16

AVATTO Tuya ZigBee Smart Light Switch Module User Manual

Model: LZWSM16

1. Introduction

The AVATTO Tuya ZigBee Smart Light Switch Module is a compact device designed to transform traditional light switches into smart, app-controlled, and voice-activated systems. This module supports ZigBee communication, allowing seamless integration with your existing Tuya Smart Life ecosystem. It is available in 1, 2, and 3 gang configurations and offers flexible wiring options, including setups that do not require a neutral wire.

AVATTO Smart Zigbee Switch Module overview
Overview of the AVATTO Smart Zigbee Switch Module, highlighting its no-neutral wire capability and Tuya Zigbee Hub requirement.

2. Product Features

  • Smart Control: Convert traditional switches into smart switches for app and voice control.
  • ZigBee Connectivity: Works with Tuya ZigBee Hub for stable and reliable smart home integration.
  • No Neutral Wire Option: Designed for installations where a neutral wire is not available (capacitor required for no-neutral setups).
  • Multi-Gang Options: Available in 1-gang, 2-gang, and 3-gang versions to suit various lighting needs.
  • App Control: Control lights remotely via the Smart Life/Tuya App from anywhere, anytime.
  • Voice Control: Compatible with Amazon Alexa and Google Home for hands-free operation.
  • Timing & Scheduling: Set schedules, timers, and countdowns for automated lighting control.
  • Group Control: Control multiple modules simultaneously by grouping them in the app.
  • Linkage Function: Create smart automation scenarios with other smart devices.
  • Interlock Function: Enable only one channel at a time, automatically turning off others.
  • Status Memory: Retains the last power state (on/off) after a power outage.
  • Family Share: Share control of the device with family members through the app.
  • Ultra Mini Size: Compact design (39x39x19mm) allows for easy installation within most standard switch boxes or directly on the lamp.
  • Dual Way Control: Upgrade existing 2-way control switches without changing the original wiring design.
AVATTO Smart Switch Module features
Key features including Tuya/SmartLife compatibility, voice control with Alexa/Google Home, and various control options.

3. Specifications

AttributeValue
Brand NameAVATTO
Model NumberLZWSM16
Communication MethodZigbee
State of AssemblyReady-to-Go
CompatibilityAll Compatible
Camera EquippedNo
High-concerned chemicalNone
VoltageAC200-240V 50/60Hz
Max. Load (1-Gang)10-100W
Max. Load (2-Gang)2x(10-100W)
Max. Load (3-Gang)3x(10-100W)
Dimensions (L x W x H)39mm x 39mm x 19mm
Package Weight0.064 kg
Package Dimensions8cm x 4cm x 1cm
Product dimensions and module labels
Detailed product dimensions and labels for 1-channel and 3-channel modules.

4. Safety Information

WARNING: Electrical installation should only be performed by a qualified electrician or a person with a thorough understanding of electrical systems. Incorrect installation can lead to electric shock, fire, or other hazards.

  • Always turn off power at the circuit breaker before performing any electrical work.
  • Ensure the module's voltage and load specifications match your electrical system and connected devices.
  • Do not exceed the maximum load rating of the module.
  • Keep the device away from water and high humidity environments.
  • Do not attempt to repair or modify the device yourself. Contact support if issues arise.

5. Package Contents

The package typically includes:

  • AVATTO Tuya ZigBee Smart Light Switch Module (1, 2, or 3 Gang version)
  • User Manual (this document)
  • Capacitor (for no-neutral wire installations)

6. Setup and Installation

Before installation, ensure the power is turned off at the main circuit breaker. This module is designed to be installed behind your existing wall switch or directly into the lamp fixture.

6.1. Wiring Diagrams

The AVATTO Smart Light Switch Module supports both installations with a neutral wire and those without. Please refer to the appropriate diagram for your setup.

Product demonstration video, including WiFi and Zigbee network connection steps and various wiring diagrams.

6.1.1. Wiring with Neutral Wire (Standard Installation)

For installations with a neutral wire, connect the module as follows:

  • L: Live input from the power source.
  • N: Neutral input from the power source.
  • L1, L2, L3: Live outputs to the light fixtures (corresponding to 1, 2, or 3 gangs).
  • COM: Common terminal for the physical switch.
  • S1, S2, S3: Switch terminals for connecting your traditional wall switch.
Wiring diagrams for 1 and 2 gang switches with neutral wire
Wiring diagrams for 1-gang and 2-gang single and double control switches with neutral wire. (Refer to video from 0:37 for detailed neutral wire diagrams)
Wiring diagrams for 3 gang switches with neutral wire
Wiring diagrams for 3-gang single and double control switches with neutral wire. (Refer to video from 0:44 for detailed neutral wire diagrams)

6.1.2. Wiring without Neutral Wire (Capacitor Required)

If your installation does not have a neutral wire at the switch box, you must use the provided capacitor. The capacitor helps stabilize the circuit for low-power loads and prevents flickering or improper operation.

  • Connect the module's 'L' terminal to the live input.
  • Connect the module's 'L1' (or L2, L3 for multi-gang) output to the light fixture.
  • Connect the capacitor in parallel with the light fixture, across the live and switched live wires.
  • Connect the 'COM' and 'S1' (S2, S3) terminals to your physical switch.

Important: A capacitor needs to be connected at L1 of all switch module-L for no-neutral wire setups. Failure to do so may result in short circuits or device malfunction.

Dual Way Control wiring diagram for 1CH
Dual Way Control wiring diagram for a 1-channel module. (Refer to video from 0:53 for detailed no-neutral wire diagrams with capacitor)

6.2. Physical Installation

The module's ultra-mini size (39x39x19mm) allows for flexible placement.

  • Behind the Switch: The module can be easily placed inside most standard wall switch installation boxes.
  • On the Lamp: Alternatively, it can be installed directly on the lamp fixture.
Easy installation of the mini switch module
Illustration of the module's mini size and ease of installation in a switch box or on a lamp.

7. App Integration and Control

The AVATTO ZigBee module works with the Tuya Smart Life app. A Tuya ZigBee Hub (gateway) is required for network connection.

7.1. Connecting to the App (ZigBee)

  1. Ensure your Tuya ZigBee Hub is already set up and connected to the Smart Life/Tuya App.
  2. Power on the AVATTO Smart Light Switch Module. The indicator light should be flashing (refer to video for specific flashing pattern).
  3. Open the Smart Life/Tuya App.
  4. Tap the '+' icon or 'Add Device'.
  5. Select your ZigBee Hub, then choose 'Add sub-device' or 'Zigbee devices list'.
  6. The app will search for nearby ZigBee devices. Once found, add the switch module.
  7. Follow the on-screen prompts to complete the pairing process.
  8. Once added, you can rename the switch and control it from the app.

Note: The provided video demonstrates the network connection process for both WiFi and Zigbee switch modules. For Zigbee, ensure the gateway is connected first (video segment 0:17 - 0:36).

7.2. Remote Control

After successful pairing, you can control your lights from anywhere using the Smart Life/Tuya App on your smartphone or tablet.

APP Remote Control
Control your lights remotely via the phone app.

8. Voice Control

Integrate your AVATTO Smart Light Switch Module with Amazon Alexa or Google Home for convenient voice control.

  1. Ensure your module is successfully paired with the Smart Life/Tuya App.
  2. Open the Alexa or Google Home app.
  3. Enable the 'Smart Life' or 'Tuya Smart' skill/service.
  4. Link your Smart Life/Tuya account with Alexa/Google Home.
  5. Discover devices. Your AVATTO module should appear.
  6. You can now use voice commands like:
    • "Alexa, turn on the living room light."
    • "Hey Google, turn off the bedroom light."
Voice Control with Alexa and Google Home
Use voice commands with Amazon Alexa or Google Home to control your lights.

9. Advanced Functions

9.1. Timer / Schedule / Countdown

Automate your lighting by setting up schedules, timers, and countdowns within the Smart Life/Tuya App.

  • Timing: Set specific times for lights to turn on or off (e.g., 20:30 OFF once).
  • Countdown: Set a duration after which the light will change state (e.g., 00:30 Later OFF).
  • Cycle: Create recurring schedules (e.g., 07:00 ON Everyday).
Timer, Schedule, Countdown functions
Screenshot showing the app interface for setting timers, schedules, and countdowns.

9.2. Linkage Function

Create smart automation scenarios by linking your switch module with other smart devices in your Tuya ecosystem. For example, if a condition is met (e.g., another smart switch turns ON), then a specific action will be triggered (e.g., TV Sync Backlights change mode).

Linkage Function for smart automation
Example of creating smart automation rules using the linkage function.

9.3. Group Control Function

Manage multiple switch modules across different rooms by setting them in a group. This allows you to control all grouped lights with a single command or tap.

Group Control Function
Illustration of grouping multiple switch modules for simultaneous control.

9.4. Interlock Function

The interlock function ensures that only one channel of a multi-gang switch module can be active at any given time. When one channel is turned on, all other channels in the interlock group will automatically turn off.

Interlock Function
App interface demonstrating the interlock setting, where only one light can be on at a time.

9.5. Status Memory Function

The module can be configured to remember its last state (on or off) before a power interruption. When power is restored, the light will return to its previous state, or you can set it to always be on or off.

Status Memory Function
App settings for configuring the switch's status memory after a power cycle.

9.6. Family Share Function

Share control of your smart light switch module with family members. This allows everyone in the household to manage the lights from their own devices.

Family Share Function
App interface for sharing device control with family members.

10. Troubleshooting

  • Device not pairing:
    • Ensure the module is powered on and the indicator light is flashing.
    • Verify your ZigBee Hub is online and within range.
    • Check your Wi-Fi network (2.4GHz only for the hub).
    • Try resetting the module (refer to the app for specific reset instructions, usually involves holding the physical switch for a few seconds).
  • Light flickering or not turning off completely (No Neutral Wire):
    • This is a common issue in no-neutral setups if the load is too low or the capacitor is not correctly installed.
    • Ensure the provided capacitor is correctly wired in parallel with the light fixture. The capacitor is crucial for stabilizing the circuit.
    • If the issue persists, the load might be too low for the module. Consider using a higher wattage bulb or consulting an electrician.
  • Short circuit fault during connection (No Neutral Wire):
    • This indicates incorrect wiring. Double-check all connections against the no-neutral wiring diagram, especially the capacitor placement.
    • Ensure power is OFF before inspecting or re-wiring.
    • If you are unsure, consult a qualified electrician.
  • Physical switch not responding:
    • Check the wiring connections to the physical switch (S1, S2, S3, COM).
    • Ensure the physical switch type is compatible (rocker or self-reset).
  • Voice control not working:
    • Verify the module is online in the Smart Life/Tuya App.
    • Ensure the Smart Life/Tuya skill is enabled and linked in your Alexa/Google Home app.
    • Try re-discovering devices in your Alexa/Google Home app.

11. User Tips

  • Capacitor for No-Neutral: If you are installing the module without a neutral wire, always install the capacitor. It is essential for proper function and to prevent issues like flickering or short circuits. The capacitor typically comes with two wires of the same color and should be connected across the live and switched live wires at the light fixture.
  • Wiring Clarity: If you find the wiring diagrams confusing, consider watching the provided product video for a visual guide. It offers a clearer step-by-step demonstration.
  • ZigBee Hub is Key: Remember that this is a ZigBee module, so a compatible ZigBee gateway (hub) is required for it to function with the Tuya Smart Life app and other smart home platforms.
  • Professional Installation: For any electrical work, especially if you are unsure about wiring, it is always recommended to consult a qualified electrician to ensure safety and correct installation.

12. Maintenance

  • Cleaning: Use a soft, dry cloth to clean the module. Do not use liquid cleaners or aerosols.
  • Firmware Updates: Periodically check the Smart Life/Tuya App for available firmware updates to ensure optimal performance and security.
  • Environmental Conditions: Avoid exposing the module to extreme temperatures, direct sunlight, or moisture.

13. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the seller's policy or contact AVATTO customer service directly. Keep your purchase receipt as proof of purchase.

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