1. Introduktion
This manual provides comprehensive instructions for the safe and effective use of your AQQA 100W Submersible Aquarium Heater (Model GUS-AQ015-100W). Designed for 25-35 gallon freshwater and saltwater aquariums, this heater ensures stable water temperatures for the well-being of your aquatic pets. Please read all instructions carefully before installation and operation.

Image 1.1: AQQA 100W Submersible Aquarium Heater and its external temperature controller.
2. Sikkerhedsinstruktioner
- Always ensure the heater is helt nedsænket in water before connecting it to a power source. Operating the heater out of water can cause damage and pose a fire hazard.
- Before performing any maintenance, cleaning, or water changes in your aquarium, unplug the heater from the power outlet. Allow the heater to cool for at least 10 minutes before removing it from the water.
- This appliance is designed for indoor use only, within an aquarium environment.
- Brug ikke varmeren, hvis ledningen eller stikket er beskadiget.
- Hold netledningen væk fra skarpe genstande og varme overflader.
- Ensure the heater is installed in an area with good water circulation to prevent uneven heating.
- The heater is made of heat-resistant quartz glass and PC plastic, providing explosion-proof, shatterproof, and IP68 waterproof protection.

Billede 2.1: Overview of heater construction materials and accessories, including the UL-certified plug.
3. Opsætningsvejledning
Follow these steps to properly install your AQQA aquarium heater:
- Placering: Position the heater vertically or horizontally within your aquarium. Ensure it is fully submerged in water and not buried in sand or substrate. Optimal placement is near an area with good water flow to distribute heat evenly.
- Sikker vedhæftning: Use the two powerful suction cups provided to firmly attach the heater to the glass wall of your aquarium. The external controller features an adjustable hook suitable for various tank thicknesses.
- Placering af controller: Mount the external temperature controller on the outside rim of your aquarium using its adjustable hook. Ensure the display is easily visible.
- Strømtilslutning: Når varmelegemet er sikkert placeret og helt nedsænket, skal du sætte stikket i en passende stikkontakt.

Image 3.1: Visual guide for correct (fully submerged, vertical or horizontal) and incorrect (partially submerged, buried in substrate) heater placement.

Image 3.2: The heater is equipped with two powerful suction cups for stable installation.

Image 3.3: The external controller features an adjustable hook to fit various aquarium rim thicknesses.
4. Betjeningsvejledning
The AQQA heater features an intelligent automatic heating system with an external temperature controller and a digital LED display.
4.1 Indstilling af temperaturen
- The temperature range is 59°F - 93°F (15°C - 34°C).
- Press the button on the top of the external controller to adjust the desired temperature. Each press will cycle through the available temperature settings.
- To switch between Celsius (°C) and Fahrenheit (°F), hold the button down for 5 seconds.
4.2 Digital LED Display
The LED display on the controller shows both the current water temperature and your set temperature.
- Rødt lys: Indicates the heater is actively heating the water.
- Blåt lys: Indicates the heater has reached the set temperature and has stopped heating.
- The heater will automatically restart heating when the water temperature drops approximately 1°F (1°C) below the set temperature.
- If power is interrupted, the heater will retain its last temperature settings upon power restoration.

Image 4.1: The external controller displays current and set temperatures, with a button for easy adjustment and unit switching.

Image 4.2: The control button allows temperature adjustment and switching between Fahrenheit and Celsius by holding for 5 seconds.

Image 4.3: The intelligent control system maintains the water temperature within a precise range around the set point.
5. Vedligeholdelse
Proper maintenance ensures the longevity and efficiency of your aquarium heater.
- Før rengøring: Always unplug the heater and allow it to cool for at least 10 minutes before removing it from the water or performing any cleaning inside the aquarium.
- Rengøring af varmelegeme: Gently wipe the heater surface with a soft cloth to remove any algae or mineral buildup. Do not use abrasive cleaners or harsh chemicals.
- Vandændringer: During water changes, ensure the heater remains fully submerged. If the water level drops below the heater, unplug it immediately to prevent damage.
- Regelmæssig inspektion: Periodically inspect the heater for any signs of damage, such as cracks in the glass or frayed cords. Discontinue use if any damage is observed.
6. Fejlfinding
This section addresses common issues and error codes you might encounter.
6.1 Fejlkoder
- E1 Fault: This error code appears when the heater is exposed to air and is not fully submerged in water. The heater will stop working, and an alarm will sound. Løsning: Immediately unplug the heater, ensure it is completely submerged in water, and then plug it back in.
- HH (Overheat Protection): This indicates that the water temperature has exceeded 93°F (34°C). The heater will stop heating, and an alarm will sound. Løsning: Cut off the power to the heater. Allow the heater to cool down to room temperature before turning the power on again. Check for external heat sources or if the set temperature was too high.

Image 6.1: The LED display indicates operational status and error codes like E1 for out-of-water detection.

Image 6.2: Visual representation of the E1 error, indicating the heater is not fully submerged.

Image 6.3: Visual representation of the HH error, indicating overheat protection has been activated.
7. Specifikationer
| Feature | Detalje |
|---|---|
| Modelnummer | GUS-AQ015-100W |
| Magt | 100W |
| Anbefalet tankstørrelse | 25-35 liter |
| Temperaturområde | 15°C - 34°C |
| Materiale | Heat-resistant Quartz Glass, PC Plastic Cover |
| Vandtæt vurdering | IP68 |
| Anvendelse | Freshwater & Saltwater Aquariums |
| Varens vægt | 1.98 pund |
| Emne Pakke Dimensioner | 14.21 x 7.24 x 2.24 tommer |
8. Garanti og support
AQQA provides a 12-month warranty for this product. If you encounter any issues or require assistance, please do not hesitate to contact our professional after-sales service team. We are committed to providing support and resolving any concerns you may have.
For support, please refer to the contact information provided with your purchase or visit the official AQQA store on Amazon: AQQA Store





