1. Introdução
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your TESY 15-liter electric water heater. Please read these instructions carefully before installation and use, and retain them for future reference. Proper adherence to these guidelines will ensure optimal performance and longevity of your appliance.

Imagem 1: Frente view of the TESY 15-liter electric water heater, showing the control dial and indicator light.
2. Informações de segurança
Your safety and the safety of others are paramount. Please observe all safety warnings and precautions.
2.1 Segurança Geral
- Installation and repairs must only be performed by qualified personnel in accordance with local regulations and this manual.
- Não opere o aparelho se ele estiver danificado ou com defeito.
- Mantenha crianças e pessoas não autorizadas longe do aparelho durante o funcionamento.
2.2 Segurança elétrica
- Desligue sempre a alimentação elétrica antes de realizar qualquer trabalho de manutenção ou instalação.
- The appliance requires a 220 Volt AC power supply and a dedicated 16 Amp esporão fundido.
- Garanta um aterramento adequado para evitar choque elétrico.
- Não utilize extensões ou adaptadores.
2.3 Segurança na Água
- The maximum operating pressure is 6 Bar. Ensure your water supply pressure does not exceed this limit.
- Install a pressure relief valve if required by local codes or if mains pressure is too high.
- Ensure all water connections are secure and leak-free before powering on the unit.
3. Produto acabadoview
The TESY 15-liter electric water heater is designed to provide instant hot water efficiently. Its compact size makes it suitable for various applications, including kitchens, bathrooms, caravans, and motorhomes. Key features include a 15-liter capacity, an adjustable temperature control dial, and a hygienic glass-lined tank.

Image 2: The TESY water heater integrated into a bathroom setting, demonstrating its compact design.
4. Configuração e instalação
This appliance is designed for under-counter or wall-mounted installation. Ensure the chosen location can support the weight of the unit when full (approximately 27 kg).
4.1 Posicionamento
- Select a location that is easily accessible for maintenance and protected from freezing temperatures.
- Garanta espaço livre suficiente ao redor da unidade para ventilação e manutenção.
- The unit can be mounted on a sturdy wall or placed under a counter.

Image 3: The TESY water heater mounted on a wall, showcasing its discreet profile.
4.2 Conexões de encanamento
- Connect the appliance directly to the mains cold water supply.
- The unit features 15 mm compression fittings for both cold water inlet and hot water outlet.
- Ensure all connections are sealed properly to prevent leaks.
4.3 Conexão elétrica
- The appliance operates on 220 Volts and has a rated power of 1500 Watts.
- It must be connected to a dedicated 16 Amp esporão fundido.
- Toda a fiação elétrica deve estar em conformidade com as normas elétricas locais e ser realizada por um eletricista qualificado.
5. Instruções de operação
5.1 Inicialização inicial
- Ensure all plumbing connections are secure and the tank is filled with water. Open a hot water tap to allow air to escape until water flows freely.
- Connect the appliance to the electrical supply via the 16 Amp esporão fundido.
- The indicator light on the front panel will illuminate, indicating that the heating element is active.
5.2 Ajuste de temperatura
The desired water temperature can be adjusted using the control dial located on the front of the appliance. Rotate the dial clockwise to increase the temperature and counter-clockwise to decrease it. The heating time from 15°C to 60°C is approximately 31 minutes.
6. Manutenção
Regular maintenance ensures the efficient and safe operation of your water heater.
- Limpeza: Periodically clean the exterior of the appliance with a soft, damp pano. Não use produtos de limpeza abrasivos ou solventes.
- Descalcificação: Depending on water hardness, mineral deposits (limescale) may accumulate inside the tank and on the heating element. Descaling should be performed by a qualified technician to maintain efficiency and prevent damage. The glass-lined tank helps to reduce scale buildup.
- Inspeção: Regularly check for any signs of leaks around the connections or damage to the power cord.
7. Solução De Problemas
Consulte a tabela a seguir para obter informações sobre problemas comuns e suas possíveis soluções.
| Problema | Possível causa | Solução |
|---|---|---|
| Sem água quente | Sem fonte de alimentação Temperature dial set too low | Check fused spur and electrical connections Adjust temperature dial to a higher setting |
| Água não está quente o suficiente | Temperature dial set too low Excessive hot water demand | Aumentar a configuração de temperatura Allow more time for reheating |
| Vazamento de água nas conexões | Conexões de encanamento soltas | Tighten connections (ensure power is off and water supply is closed) |
| Luz indicadora apagada | Sem fonte de alimentação Heating cycle complete | Verifique a fonte de alimentação This is normal if water is at set temperature |
8. Especificações
Technical data for the TESY 15-liter electric water heater.
| Recurso | Especificação |
|---|---|
| Modelo | Compacto 15 |
| Volume Real | 15 eu |
| Potência nominal | 1500 W |
| Heating Time Δt 45K (15-60°C) | 0:31 h:min |
| Annual Electricity Consumption (AEC) | 534 kWh |
| Classe de energia | A |
| Altura | 0.399 m (399 mm) |
| Largura | 0.377 m (377 mm) |
| Profundidade | 0.304 m (304 mm) |
| Conexões de tubos | 15 milímetros |
| Volumetage | 220 V |
| Pressão Máxima | 6 Barras |
| Product Weight (empty) | 12 kg |
| Características especiais | Rust-proof, Anti-freeze protection, Overheat protection |
9. Garantia e Suporte
For technical assistance, warranty claims, or any questions regarding your TESY water heater, please contact TESY customer support. Keep your purchase receipt as proof of purchase.
TESY Customer Support: 0161 439 1400