1. Introducció
This manual provides detailed instructions for the safe and efficient operation of your AQQA 200W Aquarium Heater. This device is designed to maintain a stable water temperature in aquariums ranging from 20 to 40 gallons. It features a digital thermostat with an external controller, PTC heating technology, and multiple safety protections. Please read this manual thoroughly before use and retain it for future reference.
2. Instruccions de seguretat importants
- Always ensure the heater rod is totalment submergit in water before plugging it into a power outlet. Operating the heater out of water can cause damage and pose a safety risk.
- After unplugging the heater, allow it to cool down in the water for 15-30 minuts before attempting to remove it from the aquarium. This prevents residual heat from causing damage or burns.
- Assegureu-vos que n'hi ha good water circulation around the heater to allow for even heat distribution and accurate temperature readings.
- Do not operate the heater if the power cord, controller, or heater rod shows any signs of damage.
- Aquest producte està destinat a només per a ús interior and specifically for aquariums. Do not use it for any other purpose.
- Unplug the heater from the power outlet before performing any maintenance, water changes, or handling the aquarium contents.
- Keep the external controller dry and away from water splashes.
- Aquest aparell no està pensat per ser utilitzat per persones (inclosos nens) amb capacitats físiques, sensorials o mentals reduïdes, o amb manca d'experiència i coneixements, tret que hagin rebut la supervisió o instruccions sobre l'ús de l'aparell per una persona responsable de la seva seguretat. .
3. Contingut del paquet
Si us plau, reviseu el paquet per assegurar-vos que tots els articles hi són i estan en bon estat:
- AQQA 200W Aquarium Heater Rod
- External Digital Temperature Controller
- Ventoses per al muntatge

Image: The AQQA 200W Aquarium Heater, showing the heater rod and the external digital temperature controller.
4. Especificacions del producte
| Característica | Especificació |
|---|---|
| Número de model | GUS-AQ073-200W-US |
| Poder | 200W |
| Mida recomanada del dipòsit | 20-40 galons |
| Voltage | AC 110-120V/60Hz |
| Interval de control de temperatura | 15 °C - 34 °C |
| Precisió de la temperatura | ±0.5 °F/°C |
| Heater Rod Dimensions | 5.3 x 2.4 x 0.8 polzades (13.5 x 6.2 x 2.0 cm) |
| Dimensions del controlador | 4.1 x 3.1 x 1.1 polzades (10.3 x 8.0 x 3.0 cm) |
| Longitud del cable | 47 inches (Heater to Controller) + 47 inches (Controller to Plug) |
| Material | Ceramics PTC (heating element), Heat-resistant ABS (shell, controller) |
| Color | Negre |

Image: A table detailing product parameters including power, application, heating rod dimensions, control range, and controller dimensions for various AQQA heater models.
5. Instruccions de configuració
- Col·locació de l'escalfador: Securely attach the heater rod to the inside wall of your aquarium using the provided suction cups. Ensure the heater is positioned horizontally or vertically in an area with good water flow. The heater must be completely submerged in water.
- Muntatge del controlador: Attach the external digital temperature controller to the outside of your aquarium using its bracket. Position it in a location that is easily accessible for viewing and adjustments, and where it will remain dry.
- Connexió d'alimentació: Once the heater rod is fully submerged and the controller is mounted, plug the power cord into a standard AC 110-120V/60Hz electrical outlet.

Image: A visual guide showing three steps for installing the external controller: sticking the bracket, placing the controller on the bracket, and the final installed position.

Image: A diagram illustrating correct installation of the heater (fully submerged, horizontal or vertical) and incorrect installations (partially submerged, out of water).
6. Instruccions de funcionament
6.1. Engegada inicial
Once plugged in, the digital display on the external controller will illuminate, showing the current water temperature and the set temperature (if previously configured).

Imatge: Una imatge detallada view of the external controller, highlighting the digital display showing current and set temperatures, and the F/C, lock, and adjustment buttons.
6.2. Configuració de la temperatura
- To unlock the controller and enter temperature setting mode, long press the child lock button (key icon) for 1-3 seconds. The current temperature display will begin flashing, indicating it is ready for adjustment.
- Premeu el botó temperature cycle button (up/down arrows icon) repeatedly to adjust the desired temperature. Each press will change the temperature by 0.5°F or 0.5°C. The available setting range is 59°F-94°F (15°C-34°C).
- After you stop operating the controller for approximately 3 seconds, the device will automatically enter the child lock state, preventing accidental changes to the set temperature.
6.3. Switching Temperature Units (°F/°C)
Premeu el botó Botó F/C on the controller to toggle between Fahrenheit (°F) and Celsius (°C) temperature displays.
6.4. Intelligent Heating Operation
The AQQA heater features an intelligent constant temperature system:
- When the water temperature is lower than the set temperature, the heater will automatically activate and warm the water.
- Once the water temperature reaches the set temperature, the heater will switch to a low-power mode to maintain the temperature within a 0.5°F/°C difference from the set point, optimizing energy efficiency.

Image: A graph showing how the heater's output power decreases as it approaches the set temperature, then operates at low power to maintain it, demonstrating energy-saving functionality.
7. Manteniment
Regular maintenance ensures the longevity and efficient operation of your AQQA aquarium heater.
- Neteja: Unplug the heater and allow it to cool completely in the water before removing it. Gently clean the heater rod and its protective shell to remove any algae, mineral deposits, or debris. A soft brush or cloth can be used. Avoid harsh chemicals or abrasive materials.
- Inspecció: Periodically inspect the heater rod, protective shell, power cord, and controller for any signs of wear, cracks, or damage. If any damage is found, discontinue use immediately.
- Circulació d'aigua: Ensure that water circulation around the heater remains unobstructed.

Imatge: Una explosió view of the heater rod, illustrating its internal PTC heating material and the removable ABS protective shell for easier cleaning and maintenance.
8. Solució De Problemes
If you encounter issues with your AQQA aquarium heater, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| Controller displays "EE" and flashes | Over-temperature protection activated (water temperature exceeded 36°C / 96°F) | Unplug the heater, allow the water to cool naturally, and check for proper water circulation. Re-plug after the temperature has normalized. |
| Controller displays "Er" and flashes | Heater is not fully immersed in water (dry-run protection) | Immediately unplug the heater. Ensure the heater rod is completely submerged in water before plugging it back in. |
| Heater not heating or maintaining temperature | 1. Power not connected or interrupted. 2. Set temperature is lower than current water temperature. 3. Insufficient water circulation. 4. Heater malfunction. | 1. Check power outlet and connections. 2. Adjust the set temperature higher than the current water temperature. 3. Ensure good water flow around the heater. 4. If issues persist, contact customer support. |
| La temperatura fluctua significativament | Poor water circulation or heater placed in a stagnant area. | Relocate the heater to an area with better water flow or improve overall tank circulation. |

Image: Illustrations of the heater protection system, showing the 'Er' error when the heater is out of water and the 'EE' error when the temperature reaches 36°C (96°F).
9. Garantia i Suport
AQQA products are manufactured with quality and reliability in mind. While specific warranty details may vary, please retain your proof of purchase for any warranty claims.
For technical support, troubleshooting assistance, or warranty inquiries, please contact AQQA customer service through the retailer where the product was purchased or visit the official AQQA weblloc per obtenir informació de contacte.
You can visit the AQQA Store for more information: Botiga AQQA a Amazon





