SAMOTECH SM309-S

SAMOTECH Zigbee Retractable Dimmer Module

Model: SM309-S

1. Introduzione

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. Informazioni sulla sicurezza

AVVERTIMENTO: 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.

  • Prima di procedere al cablaggio, assicurarsi che l'alimentazione sia completamente scollegata.
  • Do not exceed the maximum load ratings specified in the Specifiche sezione.
  • Questo dispositivo è destinato esclusivamente all'uso in ambienti interni.
  • Tenere fuori dalla portata dei bambini.
  • Non tentare di riparare o modificare il dispositivo. Per qualsiasi intervento di assistenza, rivolgersi a personale qualificato.

3. Contenuto della confezione

  • SAMOTECH SM309-S Zigbee Dimmer Module (x1)
  • Manuale dell'utente (questo documento)

4. Prodotto finitoview

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 con etichette

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

Identificazione dei componenti:

  • Pulsante di reset: Used for pairing the device with a Zigbee hub or performing a factory reset.
  • Min. Set Adjustment: A small potentiometer to adjust the minimum dimming level, preventing flickering at low light settings for certain bulb types.
  • terminali:
    • N (neutro): Connects to the neutral wire.
    • L (Vivo): Connects to the live (phase) wire.
    • SW (Switch): Connects to the wire from your physical wall switch.
    • O (Output): Connects to the load (light fixture).

5. Configurazione e installazione

Before proceeding, ensure you have read and understood the Informazioni sulla sicurezza. 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):

  • Connect the Live (L) wire from your mains supply to the 'L' terminal on the module.
  • Connect the wire going to your light fixture (load) to the 'O' (Output) terminal on the module.
  • Connect one terminal of your physical wall switch to the 'L' terminal on the module.
  • Connect the other terminal of your physical wall switch to the 'SW' (Switch) terminal on the module.

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

  • Connect the Live (L) wire from your mains supply to the 'L' terminal on the module.
  • Connect the Neutral (N) wire from your mains supply to one of the 'N' terminals on the module.
  • Connect the wire going to your light fixture (load) to the 'O' (Output) terminal on the module.
  • Connect one terminal of your physical wall switch to the 'L' terminal on the module.
  • Connect the other terminal of your physical wall switch to the 'SW' (Switch) terminal on the module.

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

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

5.3 Associazione con un hub Zigbee

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 Reset 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.

Ripristino di fabbrica: Per eseguire un ripristino delle impostazioni di fabbrica, tenere premuto il tasto Reset 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 Controllo dell'app

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

Figura 6.1: Example of SM309-S device information and controls within Home Assistant, showing active power, voltage opzioni di oscuramento.

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

Figura 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.

  • Interruttore a levetta: A quick flip of the switch will turn the lights on/off.
  • Momentary Push-Button: A short press typically toggles on/off. A long press may initiate dimming up or down, depending on configuration.

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:

  • In senso orario: Increases the minimum brightness level.
  • Antiorario: Decreases the minimum brightness level.

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

7. Manutenzione

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.

  • Controllare periodicamente i collegamenti elettrici per accertarsi che siano sempre saldi.
  • If cleaning is necessary, disconnect power at the circuit breaker and wipe the exterior of the module with a dry, soft cloth.

8. Risoluzione Dei Problemi

ProblemaPossibile causaSoluzione
Device does not pair with Zigbee hub.
  • Non in modalità di associazione.
  • Too far from hub/router.
  • Already paired to another network.
  • Interferenza.
  • Assicurarsi che l'hub sia in modalità di associazione.
  • 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).
Le luci tremolano o non si attenuano correttamente.
  • Tipo di lampadina incompatibile.
  • 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 Specifiche. 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.
  • Cablaggio errato.
  • Switch type not configured in hub.
  • Verificare il cablaggio secondo la Sezione 5.1.
  • Check your Zigbee hub's settings for the device to ensure the correct switch type (toggle/momentary) is selected.
Module becomes hot.
  • Sovraccarico.
  • Scarsa ventilazione.
  • Immediately disconnect power. Check total wattage of connected lights against maximum load in Specifiche.
  • Ensure adequate space and ventilation in the electrical box.

9. Specifiche

CaratteristicaDettaglio
Numero di modelloSM309-S
MarcaSAMOTECA
Ingresso volumetage100-240 V~, 50/60 Hz
Carico massimo (resistivo)250 W (230 V), 500 W (110 V)
Carico massimo (LED)200 W (230 V), 300 W (110 V)
Protocollo wirelessZigbee 3.0
Temperatura di esercizioda -25°C a +50°C
Dimensioni (confezione)Dimensioni: 5.7 x 5.5 x 3.7 cm
Peso (confezione)50 grammi
Tipo di interruttoreTRIAC Dimmer
Tipo di connettoreTerminale a vite
Tipo di circuito1 vie
Tipo di montaggioPanel Mount (designed for in-wall boxes)
Materiale di contattoMetallo

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. Garanzia e supporto

SAMOTECH products are designed for reliability and performance. For warranty information and technical support, please refer to the official SAMOTECH webo contattare il distributore locale. Conservare la prova d'acquisto per eventuali reclami in garanzia.

  • Supporto online: Visit the SAMOTECH official websito per FAQ, manuali aggiornati e risorse di supporto.
  • Contatta l'assistenza: If you require further assistance, please contact SAMOTECH customer service with your product model number and a detailed description of the issue.

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