SAMOTECH SM309-S

SAMOTECH Zigbee Retractable Dimmer Module

Model: SM309-S

1. Mawu Oyamba

The SAMOTECH SM309-S is a compact Zigbee retractable dimmer module designed for smart home lighting control. It allows you to wirelessly control and dim traditional incandescent, halogen, and compatible LED lights when integrated with a Zigbee hub such as Philips Hue, Home Assistant, HomeKit (via Home Assistant or Homebridge), SmartThings, or Hubitat. This module is designed for installation behind existing wall switches or within junction boxes, offering a seamless upgrade to smart lighting without replacing your current light switches.

2. Zambiri Zachitetezo

CHENJEZO: Risk of electric shock. Installation should only be performed by a qualified electrician or trained personnel. Disconnect power at the circuit breaker before installation, maintenance, or removal of the device.

3. Zamkatimu Phukusi

4. Zamalonda Zathaview

The SM309-S is a compact module designed to fit into standard electrical boxes. It features screw terminals for secure wiring connections and a reset button for pairing and factory reset.

SAMOTECH SM309-S Zigbee Dimmer Module front view ndi zilembo

Chithunzi 4.1: Patsogolo view of the SAMOTECH SM309-S Dimmer Module, showing the Reset button, Min. Set adjustment, and terminal labels (N, N, O, L, L, SW).

Chizindikiritso cha Chigawo:

5. Kukhazikitsa ndi Kuyika

Before proceeding, ensure you have read and understood the Zambiri Zachitetezo. It is highly recommended that installation be performed by a qualified electrician.

5.1 Wiring Diagram (No Neutral Required for Basic Operation)

The SM309-S is designed to operate without a neutral wire for basic dimming functionality, making it suitable for installations where a neutral wire is not present in the switch box. However, connecting a neutral wire (if available) can improve stability and enable router functionality within your Zigbee mesh network.

Standard Wiring (No Neutral):

Wiring with Neutral (Recommended for Stability and Router Functionality):

After wiring, carefully place the module into the electrical box, ensuring no wires are pinched and there is adequate ventilation.

5.2 Supported Load Types

The SM309-S dimmer module supports various lighting loads. Refer to the table below for detailed compatibility and power ratings. For capacitive loads like LEDs, a bypass capacitor (not included) may be required to prevent flickering or ensure stable operation at very low loads, especially in no-neutral installations.

Table showing supported load types and power ratings for 100-240V systems

Chithunzi 5.1: Supported load types and corresponding power ranges for 100-240V~ systems. Includes Resistive, Capacitive (Fluorescent, LED), and Inductive loads.

5.3 Kulumikizana ndi Zigbee Hub

Once the module is wired and power is restored, it will enter pairing mode (indicated by a blinking LED, if present, or by its network status in your hub's app). Follow these steps to pair the device:

  1. Ensure your Zigbee hub (e.g., Philips Hue Bridge, Home Assistant with Zigbee dongle, SmartThings Hub) is powered on and in pairing mode. Refer to your hub's specific instructions for enabling pairing mode.
  2. On the SM309-S module, press and hold the Bwezerani button for approximately 5-10 seconds until the device indicates it's in pairing mode (e.g., LED blinks rapidly). Alternatively, some hubs may discover the device automatically upon power-up if it's not already paired.
  3. Your Zigbee hub should detect the new device. Follow the on-screen prompts in your hub's application to complete the pairing process and assign the device to a room or group.
  4. If pairing fails, try moving the module closer to the hub or another Zigbee router device, then repeat the pairing process. You may need to power cycle the module or perform a factory reset before retrying.

Kubwezeretsanso: Kuti mukonzenso kuyambiranso kwafakitale, dinani ndikugwira Bwezerani button for more than 10 seconds until the device's indicator light confirms the reset (e.g., solid light then off). This will unpair the device from any network and restore it to its default settings.

6. Operating the Dimmer Module

After successful pairing, you can control the connected lights using your Zigbee hub's application or through voice commands if integrated with a voice assistant.

6.1 App Control

Use your Zigbee hub's dedicated application (e.g., Philips Hue app, Home Assistant app, SmartThings app) to turn the lights on/off and adjust their brightness. The module will appear as a dimmable light device within your smart home system.

Screenshot of Home Assistant device information for SM309-S

Chithunzi 6.1: Example of SM309-S device information and controls within Home Assistant, showing active power, voltage, ndi zosankha za dimming.

Screenshot of Philips Hue app showing SM309-S as a controllable light

Chithunzi 6.2: Example of the SM309-S appearing as a controllable light ("Hue white light 1") within the Philips Hue application.

6.2 Physical Wall Switch Control

If connected to a physical wall switch, you can still control the lights manually. The behavior of the physical switch (e.g., toggle, momentary push-button) can often be configured within your Zigbee hub's settings for the device.

6.3 Minimum Dimming Level Adjustment (Min. Set)

The "Min. Set" adjustment allows you to set the lowest dimming level for the connected lights. This is crucial for preventing flickering or ensuring stable operation with certain LED bulbs at very low brightness. Use a small screwdriver to carefully turn the potentiometer:

Adjust the "Min. Set" until the lights operate smoothly without flickering at their lowest desired brightness.

7. Kusamalira

The SAMOTECH SM309-S dimmer module requires minimal maintenance. Ensure the device is kept dry and free from dust. Do not use liquid cleaners or abrasive materials. There are no user-serviceable parts inside the module.

8. Mavuto

VutoChifukwa ChothekaYankho
Device does not pair with Zigbee hub.
  • Not in pairing mode.
  • Too far from hub/router.
  • Already paired to another network.
  • Kusokoneza.
  • Ensure hub is in pairing mode.
  • Perform a factory reset on the module (hold Reset button >10s).
  • Move module closer to the hub or a strong Zigbee router.
  • Check for Wi-Fi interference (Zigbee uses 2.4GHz).
Lights flicker or do not dim properly.
  • Mtundu wa babu wosagwirizana.
  • Load too low for module.
  • Min. Set not adjusted.
  • No neutral wire (for some LED loads).
  • Ensure bulbs are dimmable and compatible with TRIAC dimmers.
  • Check load against Zofotokozera. Consider adding more bulbs or a bypass capacitor for low loads.
  • Adjust the "Min. Set" potentiometer.
  • If possible, wire with a neutral connection.
Physical switch does not control lights.
  • Kulumikizana kolakwika.
  • Switch type not configured in hub.
  • Verify wiring according to Section 5.1.
  • Check your Zigbee hub's settings for the device to ensure the correct switch type (toggle/momentary) is selected.
Module becomes hot.
  • Zochulukira.
  • Kupanda mpweya wabwino.
  • Immediately disconnect power. Check total wattage of connected lights against maximum load in Zofotokozera.
  • Ensure adequate space and ventilation in the electrical box.

9. Zofotokozera

MbaliTsatanetsatane
Nambala ya ModelSM309-S
MtunduMtengo wa magawo SAMOTECH
Lowetsani Voltage100-240V ~, 50/60Hz
Max. Load (Resistive)250W (230V), 500W (110V)
Max. Load (LED)200W (230V), 300W (110V)
Protocol Opanda zingweZigbee 3.0
Kutentha kwa Ntchito-25°C mpaka +50°C
Makulidwe (Phukusi)5.7 x 5.5 x 3.7 masentimita
Kulemera (Phukusi)50g pa
Sinthani MtunduTRIAC Dimmer
Mtundu WolumikiziraScrew terminal
Mtundu Wozungulira1-njira
Mtundu WokweraPanel Mount (designed for in-wall boxes)
Contact MaterialChitsulo

Note: The "Operating Mode: ON-OFF" and "Actuator Type: Hinge Lever" listed in some product specifications are generic and may not fully describe the dimmer's functionality. This device is specifically a dimming module.

10. Chitsimikizo ndi Thandizo

SAMOTECH products are designed for reliability and performance. For warranty information and technical support, please refer to the official SAMOTECH webwebusayiti kapena funsani wofalitsa wakomweko. Sungani umboni wanu wogula kuti mutenge chitsimikizo.

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