Hygger HG-811/971 Ultra-Silent Piezoelectric Ceramic Mini Air Pump User Manual

Product Overview

The Hygger HG-811/971 aquarium mini air pump is driven by a thin piezoelectric ceramic plate. It offers an ultra-silent operation, compact design, and lightweight build. Key benefits include low power consumption and a long service life, making it an ideal solution for adding oxygen to small fish tanks or hydroponic gardens.

Product Parameters

Package Included

• 1 × HG-811/971 air pump with power adapter
• 1 × Double-sided suction cup
• 1 × 0.9 Inch diameter ball air stone
• 1 × 3.6ft long air tube
• 1 × User manual

How to Use

Before plugging into power, please install the pump correctly. Note: The pump is not waterproof; keep it away from water and moist environments.

Installation Diagram Description:

• ❌ Incorrect: Air stone submerged too deep in the water.
• ❌ Incorrect: Air stone positioned too low in the tank, risking water backflow.
• ✔️ Correct: Air stone positioned appropriately to prevent backflow.

1. Please soak the air stone completely in water about 1-2 hours before first use.
2. Connect the air stone to the air tube.
3. Connect the air tube to the outlet of the air pump.
4. Attach the pump onto the outside wall of the tank to avoid any possible backflow of water.
5. Immerse the air stone into water, then connect the power adapter to the outlet.

Reminder: The air stone should be soaked for 1-2 hours before using.

Product Features

• Ultra-silent, super-compact, and lightweight.
• Low power consumption; only 1.5 watts per month.
• Long service life, with a one-year free warranty.
• Driven by piezoelectric ceramic plate.
• No EMI, no motor, no shaft, no friction.

Trouble Shooting

1. Air flow attenuation (decrease):

• A. Ensure the air tube is not bent, clogged, or damaged.
• B. Ensure the power supply voltage is appropriate.
• C. Clean the air intake.
• D. Clean the surface of the air stone.
• E. If attenuation is due to the air pump itself, please contact the seller for warranty after trying the above solutions.

2. The suction cup does not stick to the tank wall:

• A. Clean the surface of the tank wall and the suction cup.

3. Pump stops working or with loud noises or cracking sounds:

• A. Check if water has back flowed into the pump; this will damage the pump.
• B. Please stop using immediately, check the pump for damage, and contact the seller for service.

Safety

• Keep the pump away from water anytime; the pump is not waterproof.
• Keep hands dry and cut off the power when cleaning or handling.
• Read the instructions carefully before using.
• Designed only for indoor use.