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◆ Installation
1. How to adjust the holder width?
2. Can I fix the controller on a rimmed tank/sump?
3. How to adjust the sensor cable length?
4. Where should I place the sensor?
5. How to install the prefilter properly?
6. Is Smart ATO nano G2 compatible with 1/4" RO Tubing?
7. What is the Anti-Siphon Pressure Height?
8. What is the benefit of using Diaphragm Pump?
◆ Trouble Shooting
1. How to replace the diaphragm pump?
2. Why does the water keep dripping after pump has stopped?
3. Why the pump stops with red LED light flashing?
4. Can Smart ATO nano G2 detect empty reservoir?
5. What can QST do for you?

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Summary of Contents for AutoAqua Smart ATO nano G2

  • Page 1 4. Where should I place the sensor? 5. How to install the prefilter properly? 6. Is Smart ATO nano G2 compatible with 1/4” RO Tubing? 7. What is the Anti-Siphon Pressure Height? 8. What is the benefit of using Diaphragm Pump? ◆...
  • Page 2 ➢ How to adjust the holder width? Open the controller cover first, then press the holder button to adjust the width. The holder is suitable for tank thickness 3-10 mm. Back to Top...
  • Page 3 ➢ Can I fix the controller on a rimmed tank/sump? Yes. The controller can be fixed on rimmed / rimless tank. Back to Top...
  • Page 4 ➢ How to adjust the sensor cable length? Open the cover first, then pull out the cable or push the cable back to the controller body to adjust the cable length. Back to Top...
  • Page 5 ➢ Where should I place the sensor? Place the sensor to the water level you desired. *Please note : Set the sensor away from direct infrared or sun light to avoid malfunctions. Back to Top...
  • Page 6 ➢ How to install the prefilter properly? First, please connect the prefilter base to the prefilter. Then, install the prefilter before the diaphragm pump to protect it from clogged and damaged. Note : please clean it every 3 to 6 months for the best filtration performance.
  • Page 7 ➢ Is Smart ATO nano G2 compatible with 1/4” RO Tubing? Yes. If you desired using 1/4” RO tubing, please connect it with 1/4”-1/4” Quick Connecter and AUTOAUQA Green Tubing. Please check below diagram. Back to Top...
  • Page 8 ALWAYS be out of water. If you desired higher anti-siphon pressure, you can purchase AUTOAQUA Anti-Siphon Valve additionally. One anti-siphon valve can stop around 2 feet (60 cm) anti-siphon pressure.
  • Page 9 ➢ What is the benefit of using Diaphragm Pump? ⚫ Add water smooth & consistent flow to reach the desired water level accurately. ⚫ Lessen the pressure to aquarium ecosystem. ⚫ No wire in the tank for tidy aquarium. ⚫ Able to run dry without damage for safety aquarium. Back to Top...
  • Page 10 ➢ How to replace the diaphragm pump? ⚫ Step 1 : Open the top cover of controller. ⚫ Step 2 : Press the release button on the side and open the cover. ⚫ Step 3 : Disassemble the pump and replace to a new pump.
  • Page 11 The forward siphon pressure is too high. Please lower the water level in the corresponding reservoir, or adjust the outlet tube higher. If neither is an option, you can purchase AUTOAQUA Anti- Siphon Valve(s) additionally and connect it to the outlet tube(s).
  • Page 12 ➢ Why the pump stops with red LED light flashing? It is QST function. QST will alarm as water refill time is 6 times longer than the first refill time. If you would like to increase the QST tolerance, please unplug and plug back again to clear QST memory extend the first...
  • Page 13 ➢ Can Smart ATO nano G2 detect empty reservoir? Yes. With AUTOAQUA Quick Security Technology (QST), it can detect empty reservoir without extra sensor. If there is too little or no water in reservoir, it will trigger QST. The system will shut itself off and stop the pump.
  • Page 14 ➢ What can QST do for you? With AUTOAQUA QST function, it can detect below scenario sensorless and without extra setting. ⚫ Empty Reservoir Detection If there is too little or no water in reservoir, it will trigger QST. The system will shut itself off and stop the pump.

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