1. Produto acabadoview
The Riello MG569 BWZG is a sophisticated control unit designed for reliable and efficient operation of Riello gas burners. This unit manages the ignition, flame supervision, and safety functions of the burner, ensuring optimal performance and adherence to safety standards. It is a direct replacement for several older models, offering enhanced functionality and compatibility.
1.1 Compatibilidade
This control unit is compatible with the following Riello burner series:
- BS1-911T1, BS1D-915T1
- BS2-912T1, BS2D-916T1
- BS3-913T1, BS3D-917T1
- BS4-914T1, BS4D-918T1
It also replaces previous control unit models including 3002949, 3002967, 569SE, 568SE, 566SE rev3, 566SE rev2, 566SE rev1, and 525SE/G.

Figura 1: parte superior view of the Riello MG569 BWZG Control Unit, illustrating the various terminal connections for power, ignition, and burner components.
2. Configuração e instalação
Installation of the Riello MG569 BWZG control unit requires specialized knowledge of electrical systems and burner operation. It is strongly recommended that installation be performed by a qualified and certified technician to ensure safety and proper functionality.
2.1 Precauções de segurança
- Desconecte a energia: Always ensure the main power supply to the burner system is disconnected before beginning any installation or maintenance work.
- Verificar compatibilidade: Confirm that the MG569 BWZG unit is the correct replacement or component for your specific Riello burner model.
- Follow Wiring Diagrams: Refer to the specific wiring diagrams provided with your burner system and the control unit for accurate connections. Incorrect wiring can lead to damage or hazardous conditions.
- Condições ambientais: Install the unit in a dry, protected environment, away from excessive heat, moisture, or corrosive substances.
2.2 Etapas de Instalação (Geral)
- Remover unidade antiga: Carefully disconnect and remove the existing control unit, noting all wiring connections.
- Instalar nova unidade: Securely mount the Riello MG569 BWZG control unit in the designated position.
- Conectar a fiação: Connect all electrical wires according to the burner's wiring diagram. This typically includes connections for power supply (L1, N), ignition transformer, flame sensor, motor, and fuel valve. Ensure all connections are tight and secure.
- Aterramento: Verify that the unit and burner system are properly grounded to prevent electrical hazards.
- Verificações iniciais: Before restoring power, double-check all connections for correctness and security.
- Restaurar energia: Carefully restore power to the burner system.
- Operação de teste: Initiate a test firing sequence to ensure the burner ignites and operates correctly, and that all safety features are functioning.

Figura 2: Outro view of the Riello MG569 BWZG Control Unit, highlighting the terminal block for electrical connections and mounting screw locations.
3. Instruções de operação
The Riello MG569 BWZG control unit operates automatically once installed and powered. Its primary function is to manage the burner's ignition sequence, flame supervision, and shutdown procedures in case of malfunction.
3.1 Normal Operation Sequence
- Comece: Upon receiving a call for heat, the control unit initiates a pre-purge cycle to clear the combustion chamber.
- Ignição: After pre-purge, the ignition transformer is activated, creating a spark, and the fuel valve opens to allow fuel into the combustion chamber.
- Detecção de chamas: The flame sensor (e.g., photocell or ionization probe) detects the presence of a flame. If a flame is established within the safety time, the ignition spark is cut off, and the burner continues to operate.
- Correndo: The burner operates under the supervision of the control unit, which continuously monitors the flame.
- Desligar: When the call for heat ends, the fuel valve closes, and the burner shuts down. A post-purge cycle may follow.
3.2 Luzes indicadoras
The control unit may feature indicator lights (LEDs) to signal its operational status or fault conditions. Consult your burner's specific documentation for a detailed explanation of these indicators. Typically, a steady green light indicates normal operation, while a flashing or red light signifies a fault.
4. Manutenção
Regular maintenance is crucial for the longevity and safe operation of your burner system and its control unit. All maintenance should be performed by a qualified service technician.
4.1 Cronograma de Manutenção Recomendado
- Inspeção anual: Have a qualified technician inspect the entire burner system, including the control unit, flame sensor, ignition electrodes, and fuel lines, at least once a year.
- Limpeza: Ensure the control unit and its connections are free from dust, dirt, and moisture. Do not use abrasive cleaners or solvents.
- Verificações de conexão: Periodically, a technician should verify that all electrical connections to the control unit are secure and free from corrosion.
Observação: The control unit itself is a sealed component and is not user-serviceable. Any internal issues require replacement of the unit.
5. Solução De Problemas
This section provides general guidance for common issues. For detailed diagnostics, consult a qualified technician.
| Problema | Possível causa | Ação |
|---|---|---|
| Burner does not start / No ignition |
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| Burner ignites but immediately shuts down (flame failure) |
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| Control unit shows a fault code/light |
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6. Especificações técnicas

Figura 3: Lateral view of the Riello MG569 BWZG Control Unit, displaying the product label with key technical specifications.
| Recurso | Detalhe |
|---|---|
| Número do modelo | MG569 BWZG |
| Fabricante | Riello |
| Volumetage | 210-230 V ~ 50/60 Hz |
| Fusível | T4A 250V~ |
| Volume de igniçãotage | 18kVpk |
| Atual | 11mArmas |
| UPC | 748810822879 |
| Compatibilidade | Riello BS1, BS2, BS3D, BS4D series burners |
| Replaces Models | 3002949, 3002967, 569SE, 568SE, 566SE rev3, 566SE rev2, 566SE rev1, 525SE/G |
7. Informações de garantia
Specific warranty terms for the Riello MG569 BWZG control unit are typically provided by the seller or manufacturer at the time of purchase. Please retain your proof of purchase for warranty claims.
Information regarding the availability of spare parts is currently unavailable. For any spare part inquiries, please contact your supplier or an authorized Riello service center.
8. Suporte ao cliente
For technical assistance, service, or further information regarding the Riello MG569 BWZG control unit, please contact:
- Your authorized Riello dealer or installer.
- An authorized Riello service center.
- The manufacturer directly via their official website ou canais de contato.
When contacting support, please have your product model number (MG569 BWZG) and any relevant purchase details ready.