1. Introduzione
The Astralpool Micro pH Pacific is an automatic peristaltic dosing pump designed for precise pH regulation in swimming pools. This device helps maintain optimal water balance by automatically adding pH minus solution, ensuring a clean and safe swimming environment. It is suitable for pools up to 100 m³. This manual provides essential information for the safe and effective installation, operation, and maintenance of your pH regulator.
2. Informazioni sulla sicurezza
Please read all safety instructions carefully before installing or operating the device. Failure to follow these instructions may result in injury or damage to the equipment.
- Prima di qualsiasi intervento di installazione o manutenzione, assicurarsi che l'alimentazione elettrica sia scollegata.
- Handle pH solutions with care. Always wear appropriate personal protective equipment, such as gloves and eye protection.
- Keep the device and chemicals out of reach of children and pets.
- Install the unit in a dry, well-ventilated area, protected from direct sunlight and extreme temperatures.
- In caso di dubbi su una qualsiasi fase dell'installazione, consultare un professionista qualificato.
3. Contenuto della confezione
Verificare che tutti i componenti siano presenti nella confezione prima di procedere con l'installazione.

Immagine 3.1: Sopraview of the Astralpool Micro pH Pacific regulator and its complete set of accessories.
- Peristaltic Dosing Pump Micro pH Pacific (Main Unit)
- Sonda pH
- Filtro di aspirazione
- Tubo di scarico
- Tubo di aspirazione
- Porta sonda
- Kit di montaggio a parete
- Valvola di iniezione
- pH Calibration Solutions
- Clamp Collars (x2, Ø50)

Immagine 3.2: The main unit of the Astralpool Micro pH Pacific regulator.

Immagine 3.3: The pH probe, essential for measuring water acidity.

Immagine 3.4: Bottle of pH calibration solution for accurate sensor readings.

Immagine 3.5: Components of the wall mounting kit for securing the unit.

Immagine 3.6: Suction tube for drawing pH minus solution.

Immagine 3.7: Discharge tube for injecting pH minus solution into the pool.

Immagine 3.8: Injection valve for controlled release of solution.

Immagine 3.9: due clamp collars (Ø50) for securing tubes.
4. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Tipo di prodotto | Pompa dosatrice peristaltica |
| Tipo di regolamento | pH Minus Only |
| Volume massimo della piscina | 100 metri cubi |
| Casing Protezione | Grado di protezione IP65 |
| Dimensioni (L x A x P) | Dimensioni: 115 x 183 x 109 mm |
| Alimentazione elettrica | 230V |
| Portata massima | 1.6 litri/ora |
| Pressione massima | 1 barre |
| Campo di misura | da 0 a 9.90 pH |
| Tipo di calibrazione | Semiautomatico |
| Numero di modello | 500425 |
5. Configurazione e installazione
Follow these steps carefully to install your Astralpool Micro pH Pacific regulator.
- Mounting the Regulator: Install the Micro pH Pacific regulator on a wall using the provided wall mounting kit. Choose a location that is dry, easily accessible, and close to the pool's filtration system.
- Tubi di collegamento:
- Connect the suction strainer to one end of the suction tube. Place the strainer into the container of pH minus solution.
- Connect the other end of the suction tube to the inlet port of the dosing pump.
- Connect the discharge tube to the outlet port of the dosing pump.
- Install the injection valve into the pool's return line (after the filter and heater, if applicable) using one of the Ø50 clamp collars. Connect the discharge tube to this injection valve.
- Installazione della sonda pH:
- Attach the probe holder to the pool's circulation pipe using the second Ø50 clamp collare.
- Carefully insert the pH probe into the probe holder, ensuring it is immersed in the pool water flow according to recommended depth guidelines.
- Connect the pH probe cable to the designated port on the Micro pH Pacific unit.
- Collegamento elettrico: Connect the dosing pump to a 230V power supply. Ensure the connection is secure and protected from moisture.
- Calibrazione iniziale: Before first use, the pH probe must be calibrated.
- Refer to the detailed calibration instructions in the operating section of this manual.
- Use the provided pH calibration solutions for accurate calibration.
6. Istruzioni per l'uso
Once installed and calibrated, the Astralpool Micro pH Pacific operates semi-automatically to maintain your pool's pH level.
- Accensione: Turn on the power to the dosing pump. The LED display will show the current pH reading.
- Setting the Desired pH: Use the "SET" button on the unit to adjust your desired pH level. The recommended pH range for swimming pools is typically between 7.0 and 7.4.
- Monitoring pH: The unit continuously monitors the pool's pH level. If the pH rises above your set point, the pump will automatically inject pH minus solution until the desired level is reached.
- Calibration Procedure (Semi-Automatic):
- Prepare the pH calibration solutions (e.g., pH 7.0 and pH 4.0).
- Remove the pH probe from the pool water and rinse it with distilled water.
- Immerse the probe in the first calibration solution (e.g., pH 7.0). Press the "CAL" button and follow the on-screen prompts. Wait for the unit to stabilize and confirm the reading.
- Rinse the probe again and immerse it in the second calibration solution (e.g., pH 4.0). Repeat the calibration process.
- Once calibration is complete, return the probe to the pool water.
- Regular calibration (e.g., monthly or as recommended by the manufacturer) is crucial for accurate pH readings.
- Refilling pH Minus Solution: Regularly check the level of your pH minus solution container. Refill as needed to ensure continuous operation.
7. Manutenzione
Regular maintenance ensures the longevity and accurate performance of your pH regulator.
- Pulizia della sonda pH: Periodically clean the pH probe to remove any deposits or algae that may affect its accuracy. Use a soft brush and a mild cleaning solution specifically designed for pH probes. Rinse thoroughly with distilled water after cleaning.
- Ispezione dei tubi: Inspect the suction and discharge tubes for any signs of wear, cracks, or blockages. Replace them if necessary.
- Peristaltic Pump Tube: The peristaltic pump tube (inside the main unit) is a wear part and may need replacement over time, depending on usage. Consult the manufacturer's guidelines for replacement intervals.
- Pulizia generale: Keep the exterior of the dosing pump clean and free from dust and chemical spills.
- winterization: If you winterize your pool, ensure the dosing pump and probe are properly drained, cleaned, and stored in a frost-free environment.
8. Risoluzione Dei Problemi
This section addresses common issues you might encounter with your pH regulator.
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Inaccurate pH Readings |
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| Pump Not Dosing |
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| pH Level Not Changing |
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9. Garanzia e supporto
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. AstralPool products are designed for reliability, but should you encounter any issues not covered in this manual, please contact AstralPool customer support or your authorized service center for assistance.
Marca: Piscina Astrale
Modello: Micro pH Pacific (500425)