1. Introducció
The Fluval E 300 Watt Electronic Heater is an advanced aquarium heater designed to provide precise and reliable temperature control for your aquatic environment. Featuring VueTech technology and an intelligent digital microprocessor with dual temperature sensors, this heater continuously monitors and displays aquarium water temperature in real-time, ensuring the safety and well-being of your aquatic inhabitants. This manual provides essential information for the proper setup, operation, and maintenance of your Fluval E300 heater.
2. Informació de seguretat
WARNING: To avoid electric shock, basic safety precautions should be observed, including the following:
- Read and follow all safety instructions and important notices before using this appliance. Failure to do so may result in damage to the product, personal injury, or death.
- Always unplug the heater from the electrical outlet before placing hands in the aquarium water, performing maintenance, or handling the heater.
- Ensure the heater is fully submerged in water at all times during operation. Never operate the heater dry.
- Do not use the heater if the cord or plug is damaged, or if it malfunctions or has been dropped or damaged in any manner.
- This appliance is intended for indoor use only, within freshwater and saltwater aquariums.
- Mantenir fora de l'abast dels nens.
3. Producte acabatview i Característiques
The Fluval E 300 Watt Electronic Heater incorporates several advanced features for optimal performance and safety:
- VueTech Technology: Continuously monitors and displays aquarium water temperature in real-time. The screen changes color to communicate temperature status: blue for low, green for safe zone, and red for high temperature.
- Intelligent Digital Microprocessor: Equipped with dual temperature sensors for highly accurate and reliable water temperature readings.
- Control de temperatura de precisió: Allows precise temperature settings in 0.5-degree Celsius (1-degree Fahrenheit) increments.
- Integrated Fish Guard: A protective casing prevents fish and aquarium decor from coming into direct contact with or damaging the heater core.
- Fully Submersible Design: Waterproof construction permits flexible and secure positioning anywhere within the aquarium.
- Control simple: An easy-to-use toggle lever allows for quick and convenient temperature adjustments.
- Independent Mounting Bracket: The heater can be conveniently separated from its mounting bracket for easier installation and maintenance.





4. Instruccions de configuració
- Desempaquetar l'escalfador: Carefully remove the Fluval E300 heater and all its components from the packaging. Inspect for any signs of damage.
- Muntatge: Attach the slim mounting bracket to the heater. Position the heater inside your aquarium using the suction cups on the bracket. Ensure the heater is placed vertically or at a slight angle, fully submerged, and away from direct substrate contact.
- Placement for Water Flow: For optimal performance and to prevent 'Low Flow' errors, position the heater in an area with good water circulation. Placing it near the outlet of a filter or powerhead is recommended to ensure even heat distribution.
- Aclimatació: Allow the heater to acclimate to the aquarium water temperature for at least 20-30 minutes before plugging it in. This helps prevent thermal shock to the heater.
- Initial Temperature Setting: Before plugging in, use the toggle lever to set your desired temperature. Refer to the 'Operating Instructions' section for details on setting the temperature.
- Encès: Once acclimated and set, plug the heater into a grounded electrical outlet. The display will illuminate and begin monitoring the water temperature.
5. Instruccions de funcionament
- Configuració de la temperatura desitjada: Use the red toggle lever located at the top of the heater to adjust the temperature. Push the lever up or down to increase or decrease the set temperature in 0.5°C (1°F) increments. The desired temperature will be shown on the digital display.
- Understanding the VueTech Display:
- Green Display: Indicates the water temperature is within the safe zone (±1°C or ±2°F) of your set temperature.
- Blue Display: Indicates the water temperature is below the safe zone (more than 1°C or 2°F below the set temperature).
- Red Display: Indicates the water temperature is above the safe zone (more than 1°C or 2°F above the set temperature).
- Flashing Display: If the water temperature rises or falls beyond 3°C or 5.5°F from the preset temperature, the colored screen will flash, indicating a potential risk to your aquatic life.
- Selecció de la unitat de temperatura: The heater can display temperature in Celsius or Fahrenheit. Consult the product manual for specific instructions on how to switch between these units, if applicable.
- Seguiment: Regularly observe the display to ensure the aquarium temperature remains stable and within the desired range.
6. Manteniment
Regular maintenance ensures the longevity and efficient operation of your Fluval E300 heater:
- Neteja: Periodically clean the exterior of the heater to remove algae and mineral deposits. Always unplug the heater and remove it from the aquarium before cleaning. Use a soft brush or cloth and warm water. Do not use harsh chemicals or abrasive cleaners.
- Inspecció: Regularly inspect the power cord, plug, and heater body for any signs of damage, cracks, or wear. If any damage is observed, discontinue use immediately and refer to the troubleshooting section or contact customer support.
- Nivell d'aigua: Always ensure the heater remains fully submerged to the minimum water level indicator during operation.
7. Solució De Problemes
The Fluval E300 heater is equipped with an advanced microprocessor that detects and displays abnormal operating conditions. Here are common error codes and their solutions:
- Error E1:
Descripció: The heater has entered an error state and has cut power to the heating element. This is a safety measure.
Solució: This error can only be reset by unplugging the unit. Unplug the heater, check that all installation conditions (e.g., minimum water level, full submersion) are correct according to the instructions. Plug the heater back in. If the error persists, contact customer support. - LF (Low Flow) Error:
Descripció: The heater detects poor water circulation around its body. While the heater may continue to operate, inefficient water circulation can limit the even distribution of warmed water throughout the tank.
Solució: The LF error will automatically reset once adequate water circulation is restored. Ensure there is sufficient water movement around the heater. Redirect the outlet of a filter or powerhead towards the heater to improve flow. Verify installation conditions as outlined in the 'Setup Instructions'. - Inaccurate Temperature Readings / Fluctuations:
Descripció: The displayed temperature does not match an external thermometer, or the aquarium temperature is unstable.
Solució: Ensure the heater is placed in an area with consistent water flow. Avoid placing it in a stagnant zone. Verify that the heater wattage is appropriate for your aquarium size and ambient room temperature. Check for external factors affecting water temperature, such as direct sunlight or cold drafts.
8. Especificacions
| Atribut | Detall |
|---|---|
| Marca | Fluval |
| Model | E300 (A774) |
| Wattage | 300 watts |
| Voltage | 230 Volts |
| Dimensions del producte | 1.8 "P x 3.3" W x 18.2" H |
| Material | Plàstic |
| Tipus de muntatge | Slim mounting bracket |
| Usos recomanats | Aquaris d'aigua dolça i salada |
| Configuració de la temperatura mínima | 20 graus centígrads |
| Configuració de la temperatura màxima | 2 graus Fahrenheit |
| Pes de l'article | 13.1 unces |
| UPC | 015561107747, 015561014168 |

9. Informació de la garantia
Fluval E series heaters are guaranteed against defects in material or workmanship under normal aquarium usage and service for 5 years. This warranty covers repair or replacement at the manufacturer's discretion, free of charge, when the complete heater is returned with proof of purchase and postage paid. This warranty does not apply to any heater that has been subjected to misuse, negligence, or tampering. No s'assumeix cap responsabilitat pel que fa a pèrdues o danys al bestiar o béns personals, independentment de la causa.
10. Suport
For further assistance, troubleshooting tips, or to inquire about warranty claims, please visit the official Fluval website or contact their customer support department. Keep your proof of purchase readily available for any warranty-related inquiries.





