1. Introdução
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your Venus Lyra Digital 025RD 25-Litre Vertical Storage Water Heater. Please read this manual thoroughly before using the appliance and retain it for future reference.
The Lyra Digital 025RD features a digital display and smart mode for monitoring power consumption, designed for reliable hot water supply.
2. Instruções de segurança
Adhering to these safety guidelines is crucial to prevent injury and damage to the appliance.
- Ensure the water heater is installed by a qualified technician in accordance with local regulations and this manual.
- Do not operate the water heater if it is damaged or malfunctioning. Disconnect power immediately and contact service personnel.
- Never attempt to repair or modify the appliance yourself. Unauthorized repairs can be dangerous and void the warranty.
- Ensure the electrical supply matches the specifications indicated on the product label.
- Do not block the pressure relief valve. Regular checks of this valve are recommended.
- Mantenha materiais inflamáveis longe do aquecedor de água.
- As crianças devem ser supervisionadas para garantir que não brinquem com o aparelho.
3. Conteúdo da embalagem
Ao desembalar, verifique se todos os itens estão presentes e sem danos:
- Venus Lyra Digital 025RD Water Heater Unit
- Wall clamp with fitting screws
- Controle remoto
- Manual do usuário (este documento)
- Cartão de garantia
4. Produto acabadoview
The Venus Lyra Digital 025RD is a 25-litre vertical storage water heater equipped with advanced features for user convenience and energy efficiency.

Figura 1: Frente view of the Venus Lyra Digital 025RD water heater, showcasing its white and blue casing, digital display, and the accompanying remote control.
Principais características:
- Tela digital: Provides real-time temperature readings and operational status.
- Modo inteligente: Allows tracking of power consumption for energy management.
- Controle remoto: Ajuste convenientemente as configurações à distância.
- Aquecimento rápido: Efficiently heats water to the desired temperature.
- Vertical Storage Design: Space-saving installation.
Understanding Water Heater Capacity:
The 25-litre capacity of this storage water heater is suitable for specific household needs. Refer to the general capacity guide below for context.

Figure 2: An infographic illustrating recommended water heater capacities (in liters) for different uses and family sizes, distinguishing between instant and storage geysers. A 25-litre storage geyser is typically suitable for bathing with a shower/bathtub for 2-3 members.
5. Instalação
Importante: Installation must be performed by a certified plumber or qualified technician to ensure safety and proper functioning. Incorrect installation can lead to electric shock, water leakage, or damage to the appliance.
5.1 Seleção do Local:
- Choose a vertical wall location capable of supporting the full weight of the water heater when filled (approximately 40 kg).
- Garanta espaço livre suficiente ao redor da unidade para manutenção e ventilação.
- The location should be protected from freezing temperatures and direct sunlight.
- Install close to the point of use to minimize heat loss in pipes.
5.2 Montagem da unidade:
- Mark the drilling points on the wall using the provided wall clamp como um modelo.
- Faça furos e insira buchas adequadas.
- Securely fasten the wall clamp na parede usando os parafusos fornecidos.
- Carefully lift and hang the water heater onto the wall clamp, ensuring it is stable and level.
5.3 Conexões Hidráulicas:
- Connect the cold water inlet (usually marked blue) to the main cold water supply.
- Connect the hot water outlet (usually marked red) to the hot water distribution system.
- Instale uma válvula de alívio de pressão (PRV) na linha de entrada de água fria, conforme as normas locais.
- Open the cold water supply valve and a hot water tap in your home to fill the tank and purge air. Close the tap once water flows steadily.
- Verifique se há vazamentos em todas as conexões.
5.4 Conexão Elétrica:
- Ensure the power supply is switched off at the main circuit breaker before making any electrical connections.
- Connect the water heater to a dedicated, properly grounded electrical circuit with appropriate voltage (230 Volts) e águatage (2000 Watts).
- Use a suitable circuit breaker and wiring as per electrical safety standards.
6. Instruções de operação
6.1 Initial Startup:
- Ensure the water heater tank is completely filled with water (refer to Plumbing Connections step 5).
- Switch on the electrical power supply to the water heater.
- The digital display will illuminate, showing the current water temperature.
6.2 Using the Digital Display and Controls:
The front panel features a digital display and control buttons for direct operation.
- Botão de energia: Liga / desliga a unidade.
- Ajuste de temperatura: Use the UP/DOWN arrows to set the desired water temperature. The display will show the set temperature, then revert to current temperature.
- Indicador de aquecimento: An LED ring or icon will indicate when the water heater is actively heating.
6.3 Usando o controle remoto:
O controle remoto proporciona acesso conveniente a todas as funções.
- Botão de energia: Same function as the unit's power button.
- Temperature Adjustment (Up/Down Arrows): Adjusts the target water temperature.
- Botão Menu/Modo: Cycles through different operating modes or settings (e.g., Smart Mode, Timer).
- Botão OK: Confirma seleções.
6.4 Smart Mode and Timer Function:
- Modo inteligente: Activate Smart Mode via the remote or unit controls to monitor and potentially optimize power consumption. Refer to the digital display for power usage indicators.
- Função do temporizador: Set specific times for the water heater to switch ON/OFF automatically. This feature helps conserve energy by heating water only when needed. Consult the remote control section for detailed timer setup instructions.
7. Manutenção
A manutenção regular garante a longevidade e o funcionamento eficiente do seu aquecedor de água. Desligue sempre a energia antes de realizar qualquer manutenção.
- Limpeza externa: Limpe a parte externa casing com um suave, damp pano. Não use produtos de limpeza abrasivos ou solventes.
- Pressure Relief Valve (PRV) Check: Annually, manually operate the PRV to ensure it is not blocked. Follow the manufacturer's instructions for PRV testing.
- Inspeção/Substituição da Haste do Ânodo: The anode rod protects the tank from corrosion. It should be inspected every 1-3 years and replaced if significantly depleted. This task should be performed by a qualified technician.
- Descalcificação: In areas with hard water, mineral deposits can accumulate inside the tank and on the heating element, reducing efficiency. Periodic descaling by a qualified technician may be necessary.
- Drenagem: If the water heater will be out of use for an extended period or if there is a risk of freezing, drain the tank completely.
8. Solução De Problemas
Antes de entrar em contato com o suporte ao cliente, verifiqueview Esses problemas comuns e suas possíveis soluções.
| Problema | Possível causa | Solução |
|---|---|---|
| Sem água quente ou água quente insuficiente |
|
|
| A água está muito quente | Termostato ajustado muito alto | Diminua a temperatura. |
| Vazamento de água |
|
|
| Ruídos estranhos vindos do aquecedor | Acúmulo de sedimentos no tanque | Contate um técnico qualificado para a remoção de incrustações. |
If the problem persists after attempting these solutions, please contact Venus customer support.
9. Especificações
| Recurso | Detalhe |
|---|---|
| Marca | VÊNUS |
| Número do modelo | Lyra 25RD |
| Capacidade | 25 litros |
| Tipo | Vertical Storage Water Heater |
| Cor | Branco/Azul |
| Fonte de energia | Elétrico |
| O quetage | 2000 Watts |
| Volumetage | 230 Volts |
| Pressão máxima de operação | 8 Barras |
| Peso do item | 15 kg 500 g |
| Dimensões do item (CxLxA) | 37.4 x 37.7 x 53 centímetros |
| Recurso especial | Fast Heating, Digital Display, Smart Mode, Remote Control |
10. Garantia e Suporte
Your Venus Lyra Digital 025RD Water Heater comes with a Garantia de 2 anos from the date of purchase. Please refer to the included Guarantee Card for detailed terms and conditions.
For technical assistance, service requests, or warranty claims, please contact Venus customer support. Keep your purchase receipt and guarantee card handy when contacting support.
Manufacturer: Venus Water Heater