1. Introduzione
Thank you for choosing the Thermoflow Elex 3.5 kW Instantaneous Water Heater. This compact and energy-efficient appliance is designed to provide instant hot water for your kitchen or washbasin, ensuring comfort and convenience. Please read this manual carefully before installation and operation to ensure safe and efficient use of the product. Keep this manual for future reference.
2. Informazioni sulla sicurezza
AVVERTIMENTO: Installation, maintenance, and repair of this appliance must be carried out by qualified personnel only. Failure to comply with this warning may result in electric shock, fire, property damage, or personal injury.
- Assicurarsi che l'alimentazione elettrica corrisponda alle specifiche dello scaldabagno.
- Non utilizzare lo scaldabagno se è danneggiato o non funziona correttamente.
- Scollegare sempre l'alimentazione elettrica prima di effettuare qualsiasi intervento di manutenzione o riparazione.
- Questo apparecchio è progettato solo per uso interno.
- A low-pressure tap is mandatory for commissioning this unit.
3. Caratteristiche del prodotto
- Instantaneous Hot Water: Provides water heated up to 25 °C.
- Installazione versatile: Can be used as an under-sink or over-sink instantaneous water heater.
- Applicazioni adatte: Ideal for kitchens or washbasins with a hot water capacity of 2 liters per minute.
- Design compatto: Dimensions of 16.7 (H) x 13 (W) x 6.8 (D) cm for discreet installation.
- Efficienza energetica: Rated energy efficiency class A, with an annual energy consumption of 461 kWh.
- Pronto per la connessione: Supplied ready for direct electrical connection.
4. Contenuto della confezione
The Thermoflow Elex 3.5 kW Instantaneous Water Heater package includes:
- Thermoflow Elex 3.5 Instantaneous Water Heater
- Accessori di montaggio
- Manuale d'uso
5. Configurazione e installazione
This appliance must be installed by a qualified electrician or plumber in accordance with local regulations and the instructions provided in this manual.
5.1 Montaggio
The water heater is designed for wall-mounting. Choose a suitable location near the water supply and electrical outlet, ensuring sufficient space for maintenance and ventilation. The compact dimensions of 16.7 cm (Height) x 13 cm (Width) x 6.8 cm (Depth) allow for installation under or above a sink.

Figure 1: Thermoflow Elex 3.5 kW Instantaneous Water Heater, front view.

Figure 2: Thermoflow Elex 3.5 kW Instantaneous Water Heater installed under a sink in a bathroom setting.
5.2 Collegamenti idraulici
The water heater features G 3/8" connections. Connect the cold water inlet and hot water outlet pipes securely. Ensure all connections are watertight to prevent leaks. A low-pressure tap is required for proper operation.
5.3 Collegamento elettrico
The appliance is supplied ready for electrical connection. Connect it to a dedicated electrical circuit with appropriate overcurrent protection, as specified by local electrical codes. Verify that the voltage and power ratings match the product specifications.
6. Istruzioni per l'uso
Once properly installed and connected, the Thermoflow Elex 3.5 kW Instantaneous Water Heater operates automatically to provide hot water on demand.
- Accensione: Ensure the water heater is connected to the power supply and the circuit breaker is on.
- Flusso d'acqua: Open the hot water tap. The water heater will automatically activate and begin heating the water as it flows through the unit.
- Temperatura: The unit is designed to provide water heated up to 25 °C, suitable for handwashing and light kitchen use. The temperature output may vary slightly depending on the incoming cold water temperature and flow rate.
- Indicatore di alimentazione: A red indicator light on the front of the unit illuminates when the heater is actively heating water.
7. Manutenzione
Regular maintenance helps ensure the longevity and efficient operation of your water heater. Always disconnect the power supply before performing any maintenance.
- Pulizia: Pulire l'esterno dell'unità con un panno morbido, damp panno. Non usare detergenti abrasivi o solventi.
- Decalcificazione: In areas with hard water, mineral deposits (limescale) can build up inside the unit, affecting performance. Descaling should be performed periodically by a qualified technician.
- Controllare le connessioni: Periodically inspect water and electrical connections for any signs of leaks or loose wiring.
8. Risoluzione Dei Problemi
If you encounter issues with your Thermoflow Elex 3.5 kW Instantaneous Water Heater, refer to the following common problems and solutions. For complex issues, contact qualified service personnel.
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Niente acqua calda | Nessuna alimentazione Flusso d'acqua troppo basso Malfunzionamento dell'unità | Check circuit breaker/power connection Ensure sufficient water flow Contattare personale di assistenza qualificato |
| Acqua non abbastanza calda | Incoming water too cold Portata eccessiva accumulo di calcare | Ridurre la portata Have unit descaled by technician |
| Perdita d'acqua | Collegamenti allentati Unità danneggiata | Stringere i collegamenti Contattare personale di assistenza qualificato |
9. Specifiche
Technical specifications for the Thermoflow Elex 3.5 kW Instantaneous Water Heater:
| Specificazione | Valore |
|---|---|
| Produttore | Flusso termico |
| Numero di modello | Elex 3.5 (ELEX35) |
| Dimensioni del prodotto (L x P x A) | Dimensioni: 13 x 13 x 18 cm |
| Peso dell'articolo | 1 chilogrammo |
| Colore | Bianco |
| Fonte di alimentazione | Cavo elettrico |
| Voltage | 230 Volt |
| Energia | 3.5 kW |
| Metodo di installazione | Montaggio a parete |
| Capacità | 2 litri al minuto |
| Temperatura massima | 28 gradi Celsius |
| Potenza termica | 28 gradi Celsius |
| Classe di efficienza energetica | A |
| Consumo energetico annuale | 461 kWh |

Figure 3: Energy efficiency data sheet for Thermoflow Elex 3.5 kW Instantaneous Water Heater.
10. Garanzia e supporto
For warranty information and customer support, please refer to the documentation provided with your purchase or contact Thermoflow customer service. Please note that spare parts availability information is not provided by the manufacturer.