Hygger Smart Mini Aquarium Heater User Manual

1. Introduction

The hygger Smart Mini Aquarium Heater is an advanced heating solution designed for small to medium-sized aquariums, specifically 8 to 16 gallons. This submersible heater ensures a stable and precise temperature for your aquatic pets, featuring intelligent controls and robust safety mechanisms. Its compact design allows for discreet placement without occupying significant tank space.

Figure 1: Hygger Smart Mini Aquarium Heater and its external controller.

2. Product Features

• Smart and Mini Design: Suitable for 8 to 16 gallons of saltwater and freshwater aquariums. Its mini size ensures minimal space occupation.
• Precise Temperature Control: The intelligent temperature controller displays current water temperature, set temperature, heating status, and protection signs. Temperature range: 59-93℉/15-34℃, accuracy: within 1℉. Automatically maintains constant temperature once set.
• Multiple Security Protections:
  • Anti-Dry Burning Function: Automatically powers off and displays "L1" flashing if the heater is out of water.
  • Overheating Protection: Displays "HH" flashing if temperature exceeds 93°F.
  • Low Temperature Protection: Displays "LL" flashing if temperature is below 59°F.
  • Memory Function: Retains the last temperature setting even after power loss.
  • ℉ and ℃ Switchable: Easily switch between Fahrenheit and Celsius.
• Reliable and Durable Construction: Made of explosion-proof quartz glass material and high-temperature resistant nickel-chromium heating wire, with silicon carbide thermal conductivity for safer heating and longer service life.

Figure 2: Detailed view of the LED intelligent temperature controller and its fault codes.

Figure 3: Visual representation of overheating and low temperature protection.

Figure 4: Explanation of the anti-dry burning and memory functions.

3. Package Contents

The hygger Smart Mini Aquarium Heater package includes all necessary accessories for immediate setup:

• 1x Aquarium Heater
• 1x Intelligent Controller
• 3x Suction Cups (one extra for replacement)
• 1x User Manual (this document)

4. Setup and Installation

Follow these steps to properly install your hygger Smart Mini Aquarium Heater:

1. Attach Suction Cups: Securely attach the two primary suction cups to the back of the heater unit.
2. Placement in Tank: Submerge the heater fully in the aquarium water. Use the suction cups to firmly attach the heater to the inside glass wall of your tank. Ensure the heater is placed in an area with good water circulation for even heat distribution.
3. Controller Placement: The intelligent controller should remain outside the water. Place it in a dry, accessible location near the aquarium.
4. Power Connection: Plug the heater's power cord into a suitable electrical outlet.

Figure 5: The compact size of the heater allows for versatile placement in different aquarium setups.

Installation Precautions:

• Ensure the heater is always fully submerged when operating.
• Avoid burying the heater in substrate or covering it with debris.
• The heater can be installed vertically or laid flat, but avoid laying it upside down or sideways.

Figure 6: Correct and incorrect installation methods for the heater.

Installation Video:

Video 1: Official installation and overview of the hygger Smart Mini Aquarium Heater by Hysupplies.

5. Operating Instructions

The intelligent controller allows for easy temperature adjustment and monitoring:

1. Power On: Once plugged in, the controller will automatically power on and display the current water temperature.
2. Set Temperature: Press the button on the controller to cycle through desired temperature settings. Each press increases the set temperature by one degree. The display will show the set temperature.
3. Heating Status: The controller will display the current water temperature. When the heater is actively heating, the 'Heat' indicator will illuminate red. When the set temperature is reached and maintained, the 'Keep' indicator will illuminate blue.
4. Temperature Unit Conversion: To switch between Fahrenheit (℉) and Celsius (℃), press and hold the button for 8 seconds.

Figure 7: Operating interface of the intelligent temperature controller.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your heater:

• Cleaning: Periodically unplug the heater and remove it from the tank. Gently wipe down the heater unit with a soft cloth to remove any algae or mineral buildup. Do not use harsh chemicals or abrasive materials.
• Inspect Cords: Regularly check the power cord and controller cable for any signs of damage, fraying, or kinks. If any damage is found, discontinue use immediately.
• Suction Cups: Ensure suction cups remain firmly attached to the tank wall. Replace if they lose their grip.

7. Troubleshooting

The intelligent controller provides error codes to help diagnose common issues:

If the issue persists after attempting the suggested solutions, please contact customer support.

8. Specifications

Figure 8: Size chart and detailed specifications for different wattage models.

9. Warranty and Support

The hygger Smart Mini Aquarium Heater comes with a 24-month warranty from the manufacturer. If you encounter any problems with your product or require assistance, please contact hygger customer support through the retailer's platform or the official hygger website. Please have your purchase details and model number (HG167) ready when contacting support.