1. Introdução
The Buderus Logafix BD-1 Thermostatic Head is a compact, ergonomic, and elegant device designed to regulate the temperature of radiators. It is compatible with all Logatrend flat valve radiators and compact radiators equipped with Danfoss valves, including Danfoss RA series thermostatic valves. This manual provides essential information for the proper installation, operation, and maintenance of your thermostatic head.
2. Recursos do Produto
- Ergonomic and compact design for ease of use and aesthetic integration.
- Wide compatibility with Logatrend flat valve radiators and Danfoss compact radiators.
- Also compatible with Danfoss RA series thermostatic valves.
- Adjustable temperature range from 6 °C to 28 °C, allowing precise climate control.
- Clear and easily readable set value from any angle, whether mounted on a thermostatic valve body or a compact radiator valve.
3. Conteúdo da embalagem
Por favor, verifique se a embalagem contém os seguintes itens:
- 1 x Buderus Logafix BD-1 Thermostatic Head
- Manual de Instruções (este documento)
If any items are missing or damaged, please contact your retailer or Buderus customer support.
4. Informações de segurança
Leia atentamente todas as instruções antes da instalação e utilização. Guarde este manual para futuras consultas.
- Certifique-se de que o sistema de aquecimento esteja despressurizado e resfriado antes de tentar qualquer instalação ou manutenção.
- Installation should be performed by a qualified professional if you are unsure.
- Do not expose the thermostatic head to extreme temperatures or direct sunlight for prolonged periods.
- Não tente desmontar ou reparar a unidade por conta própria. Contate pessoal de serviço qualificado.
- Mantenha fora do alcance de crianças.
5. Configuração e instalação
The Buderus Logafix BD-1 thermostatic head is designed for easy installation on compatible radiator valves. Ensure the valve body is clean and free from debris before attachment.
- Ensure the heating system is turned off and the radiator is cool.
- If replacing an old thermostatic head, carefully unscrew and remove it.
- Align the Buderus Logafix BD-1 thermostatic head with the valve body. The head typically connects via a flange connection or a screw-on mechanism.
- Gently push the head onto the valve and secure it by tightening the connection nut or ring until it is firm. Do not overtighten.
- Once installed, you can turn the heating system back on.

Figure 5.1: The Buderus Logafix BD-1 Thermostatic Head shown with optional screw connections for various valve types. This image illustrates how the head connects to a radiator valve, highlighting the flange connection point.
6. Instruções de operação
The thermostatic head allows you to set the desired room temperature by rotating the dial.

Figura 6.1: Frente view of the Buderus Logafix BD-1 Thermostatic Head, showing the Buderus logo and the temperature setting dial with numerical and snowflake indicators. The dial can be rotated to adjust the desired room temperature.
- Escala de temperatura: The dial features a scale typically ranging from a snowflake symbol (frost protection, approx. 6 °C) to numbers indicating higher temperatures, up to 28 °C.
- Temperatura de ajuste: Rotate the dial to align the desired temperature setting with the indicator mark on the head.
- Proteção contra geada: Set the dial to the snowflake symbol (*) to activate frost protection, which maintains a minimum temperature (around 6 °C) to prevent pipes from freezing.
- Posição neutra: The head also features a neutral position, typically marked '0', which fully closes the valve and stops heat flow to the radiator.
- Uso ideal: For optimal energy efficiency, avoid setting the thermostat to maximum unless necessary. Adjust the setting based on your comfort level and external temperature.
7. Manutenção
The Buderus Logafix BD-1 Thermostatic Head requires minimal maintenance.
- Limpeza: Limpe a parte externa da cabeça termostática com um pano macio e seco.amp pano. Não utilize produtos de limpeza abrasivos ou solventes, pois estes podem danificar a superfície.
- Acúmulo de poeira: Ensure that dust does not accumulate around the sensor area (usually located at the back or bottom of the head), as this can affect temperature readings.
- Verificações regulares: Periodically check that the head is securely attached to the valve body.
8. Solução De Problemas
If you experience issues with your thermostatic head, consider the following common solutions:
- Radiador não está aquecendo:
- Check if the thermostatic head is set to a temperature higher than the current room temperature.
- Ensure the valve pin is not stuck. Try rotating the head from maximum to minimum several times to free the pin.
- Verify that the main heating system is operational and supplying hot water to the radiator.
- Radiator too hot/cold:
- The thermostatic head might be obstructed by curtains, furniture, or other objects, preventing it from accurately sensing room temperature. Ensure clear airflow around the head.
- Recalibrate your comfort setting by adjusting the dial gradually.
- Sensação de cabeça solta:
- Gently tighten the connection nut or ring. Do not overtighten.
If the problem persists, contact a qualified heating technician or Buderus customer support.
9. Especificações
| Parâmetro | Valor |
|---|---|
| Número do modelo | 7738306436 |
| Fabricante | Buderus |
| Faixa de temperatura | 6 °C a 28 °C |
| Material | Plastic (PLA) |
| Dimensões (Pacote) | 9.6 x 6 x 5.6 cm |
| Peso (Item) | 80 gramas |
| Pilhas necessárias | Não |
| ASIN | B00E952YTC |
10. Garantia e Suporte
Buderus products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty card included with your purchase or visit the official Buderus website.
For technical support, spare parts, or service inquiries, please contact your local Buderus dealer or authorized service center. You can find contact information on the official Buderus website ou através do revendedor do produto.
Official Buderus Website: www.buderus.com





