1. Introduzione
Thank you for choosing the Pretul BOS-1-1/2SPP Submersible Plastic Pump. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your pump. Please read these instructions carefully before use and retain them for future reference.
This pump is designed for pumping dirty water, suitable for drainage and flood control applications. It features a robust 1-1/2 HP motor with aluminum coils, a suction base with a particle filter grille, and a capacitor for enhanced starting power.
2. Informazioni sulla sicurezza
Osservare sempre le seguenti precauzioni di sicurezza per evitare lesioni personali o danni alla pompa:
- Sicurezza elettrica: Ensure the power supply matches the pump's requirements. Do not operate the pump with damaged cables or plugs. Always connect to a grounded outlet. Never touch the pump or water while it is connected to power.
- Tipo di acqua: This pump is designed for dirty water. Do not use it for potable water, flammable liquids, corrosive chemicals, or highly abrasive materials.
- Profondità di immersione: Do not exceed the maximum immersion depth of 7 meters. Ensure the pump is fully submerged during operation to prevent overheating.
- Temperatura: Non pompare liquidi con temperatura superiore a 35°C (95°F).
- Bambini e animali domestici: Tenere i bambini e gli animali domestici lontani dalla pompa e dall'area di funzionamento.
- Manutenzione: Scollegare sempre la pompa dall'alimentazione elettrica prima di effettuare qualsiasi operazione di manutenzione o pulizia.
3. Componenti del prodotto
Familiarize yourself with the main parts of your Pretul submersible pump:

Image 3.1: Pump Components Overview
This image illustrates the key components of the Pretul BOS-1-1/2SPP pump. Visible parts include the handle for easy transport, the float switch for automatic operation, the multi-size hose adapter, and the suction base with its integrated particle filter grille.
- Handle (Asa): For carrying and positioning the pump.
- Float Switch (Interruptor flotador): Accende/spegne automaticamente la pompa in base al livello dell'acqua.
- Hose Adapter (Adaptador para manguera): Connects to discharge hoses of 1" (25mm), 1-1/4" (32mm), and pipes of 1" (25mm), 1-1/2" (38mm).
- Suction Base (Base de succión): Features a filter grille to prevent large particles from entering the pump.
- Motore: 1-1/2 HP motor with aluminum coils for efficient operation.
4. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Modello | BOS-1-1/2SPP (27199) |
| Energia | 1-1 / 2 HP |
| Portata massima | 240 litri al minuto |
| Max Head (Height) | 8.5 metri |
| Profondità massima di immersione | 7 metri |
| Materiale | Plastic body with Aluminum motor coils |
| Fonte di alimentazione | Cavo elettrico |
| Dimensioni (L x P x A) | Dimensioni: 18 x 18 x 40 cm |
| Peso | 5 chilogrammi |
| Produttore | Truper SA de CV |

Image 4.1: Performance Curve
This graph illustrates the relationship between the pump's flow rate (L/min) and the maximum head (height in meters) it can achieve. Use this curve to determine the pump's performance under different operating conditions.
5. Impostazione
- Disimballaggio: Estrarre con cautela la pompa e tutti gli accessori dalla confezione. Verificare che non vi siano danni.
- Giunzione di tubi: Attach a suitable discharge hose to the hose adapter. The adapter supports various hose and pipe sizes (1", 1-1/4", 1-1/2"). Ensure a secure, leak-free connection.
- Posizionamento: Place the pump on a stable, flat surface in the water to be drained. Ensure the pump is fully submerged and not resting directly on mud or debris that could block the suction base.
- Regolazione dell'interruttore a galleggiante: Adjust the float switch cable length to control the automatic on/off levels. A shorter cable will result in a smaller operating range (pump turns on/off with less water level change), while a longer cable allows for a wider range. Ensure the float switch can move freely without obstruction.
- Collegamento elettrico: Connect the pump's power cable to a grounded electrical outlet that matches the pump's voltage requisiti.
6. Istruzioni per l'uso
- Avvio iniziale: Once the pump is correctly positioned and connected, plug it into the power outlet. The pump will start automatically when the water level rises and activates the float switch.
- Funzionamento automatico: The float switch will turn the pump on when the water reaches a certain level and turn it off when the water level drops below the minimum required for operation.
- Funzionamento manuale (se applicabile): If your model allows for manual override, ensure the float switch is in the 'on' position or manually held up to keep the pump running continuously. Always monitor the pump during manual operation to prevent dry running.
- Monitoraggio: Periodically check the discharge flow and ensure the pump is operating smoothly. Listen for unusual noises or vibrations.
- Chiudere: To stop the pump, unplug it from the power outlet. If operating automatically, it will stop when the water level drops.
Importante: Avoid dry running the pump, as this can cause severe damage to the motor and seals. Ensure the pump is always fully submerged during operation.
7. Manutenzione
Una manutenzione regolare garantisce la longevità e le prestazioni ottimali della pompa.
- Pulizia della base di aspirazione: Regularly inspect and clean the particle filter grille on the suction base to prevent blockages. Disconnect power before cleaning.
- Ispezione della girante: If the pump's performance decreases, the impeller might be clogged. Disconnect power, remove the suction base (if detachable), and clear any debris from the impeller area.
- Magazzinaggio: When not in use for extended periods, clean the pump thoroughly, drain all water, and store it in a dry, frost-free location.
- Ispezione dei cavi: Periodically check the power cable for any signs of wear, cuts, or damage. Replace immediately if damaged.
8. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| La pompa non si avvia | Nessuna alimentazione Interruttore a galleggiante non attivato Sovraccarico del motore | Controllare il collegamento elettrico e l'interruttore automatico Ensure water level is high enough to activate float switch Disconnect power, let pump cool, check for blockages |
| La pompa funziona ma non viene scaricata acqua o il flusso è basso | Suction base or impeller clogged Blocco d'aria Tubo di scarico piegato o bloccato | Disconnect power, clean suction base and impeller Assicurarsi che la pompa sia completamente immersa e priva di sacche d'aria Controllare e pulire il tubo di scarico |
| La pompa si ferma inaspettatamente | Float switch deactivated (low water level) Protezione da sovraccarico termico attivata | Wait for water level to rise or manually activate float switch Disconnect power, let pump cool down, check for blockages or dry running |
| Rumore o vibrazioni eccessivi | Detriti nella girante Pompa non stabile | Disconnect power, clean impeller Assicurarsi che la pompa sia posizionata su una superficie piana e stabile |
9. Garanzia
Pretul products are manufactured to high-quality standards. This product typically comes with a manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included in your product packaging for specific terms, conditions, and duration of the warranty. Keep your purchase receipt as proof of purchase.
10. Assistenza clienti
If you have any questions, require technical assistance, or need to report a problem with your Pretul BOS-1-1/2SPP pump, please contact Pretul customer service. Refer to the contact information provided on the product packaging or visit the official Pretul websito per i dettagli del supporto.
Per maggiori informazioni, potete visitare il sito Pretul Brand Store.