Domestic waterworks with submersible pump 3Ti-15 with frequency converter - RTS

Product detailed description

This submersible pump system is commonly installed in residential, agricultural, and small industrial water supply systems. It is designed for use in wells, boreholes, and reservoirs where consistent pressure and flow are required. The system supports both continuous and intermittent operation and is frequently used in irrigation, tank transfer, and pressure boosting applications. The pump is suitable for installation in wells with limited space and is compatible with automated pressure stations. Installers typically encounter this system in domestic water supply setups, fire protection reserves, and agricultural water management. The system is engineered to operate in environments with abrasive particles such as sand, ensuring reliable performance over time.

The 3Ti-15 pump is often integrated into domestic waterworks for homes, cottages, and small communities. It is particularly useful in areas where water sources are deep or prone to sedimentation. The frequency converter allows for smooth operation and pressure stability, reducing mechanical stress and wear. This makes the system suitable for long-term, unattended use in both residential and professional settings.

Technical parameters

EAN	8585054502677
Inlet cable length (m)	20
Maximum flow rate (l/min)	50
Pump voltage (V)	230 V
Dimensions H x W x D (cm)	95x7.5
Pump head (m)	61
Code	PR_115169

The maximum flow rate of 50 l/min indicates the system’s capacity to handle water demand in medium-sized households or small irrigation setups. The 61 m head means the pump can deliver water from significant depths or over considerable vertical distances, making it suitable for wells and elevated storage tanks. The 20 m cable length allows for flexible positioning within the water source. The 230 V supply voltage is standard for single-phase systems and ensures compatibility with typical electrical infrastructure.

Installation and connection

Installation involves securing the pump at the bottom of the well or reservoir and connecting the inlet pipe. The 1-inch check valve prevents backflow and should be installed close to the pump outlet. The transition piece with an external thread (32x1 inch) connects the pump to the distribution system. Ensure the pressure vessel is mounted in a stable location and that all connections are sealed properly. Before commissioning, verify the correct alignment of the pump housing and inspect the motor for damage. Common errors include incorrect thread orientation and improper sealing, which can lead to leaks or reduced efficiency.

Installers should confirm that the pump is fully submerged before starting and that the water level does not fall below the minimum operating depth. The frequency converter should be mounted in a dry location and connected according to the wiring diagram provided. All electrical connections must comply with local safety regulations. After installation, test the system under load to ensure stable pressure and flow. Monitor the thermal protection system during initial operation to detect potential overloads or faults.

Compatibility and accessories

The system is designed to work with standard 1-inch piping and fittings. The included pressure vessel (8 L) supports automatic pressure regulation and requires no additional components for basic operation. The check valve and transition piece are essential for preventing reverse flow and ensuring secure connections. For deeper installations or higher flow demands, additional accessories such as longer cables or reinforced piping may be necessary. The system is compatible with most standard water distribution networks and can be integrated into automated pressure stations or fire protection systems.

Technical background for designers

The 3Ti-15 operates by converting electrical energy into mechanical motion to draw water from the source. The pump’s hydraulic components are separated from the motor, allowing for easier maintenance and replacement of individual parts. The stainless steel construction resists corrosion and extends the system’s lifespan in environments with abrasive particles. The frequency converter adjusts motor speed based on demand, reducing wear and improving energy efficiency. This design is particularly beneficial in systems where water levels fluctuate or where sand and other solids are present. The pump is suitable for integration into closed-loop systems, open reservoirs, and pressurized networks, making it adaptable to a wide range of applications.

The system’s modular design allows for quick disassembly and repair without requiring complete replacement. The thermal fuse provides protection against overheating, while the overload and undervoltage safeguards prevent damage from electrical anomalies. The pump’s ability to handle depths up to 50 m below the surface makes it suitable for deep wells and large reservoirs. The floating impeller design ensures efficient operation even in variable flow conditions, and the single-phase motor is compact and easy to integrate into existing systems.

Service and operation

Regular inspection of the pump housing, seals, and motor is recommended to ensure continued performance. The thermal protection system should be tested periodically to confirm it activates correctly under fault conditions. No scheduled maintenance is required for the frequency converter or pressure vessel, but these components should be visually inspected for signs of wear or corrosion. In the event of a malfunction, the modular design allows for quick replacement of faulty parts without removing the entire system from the water source. The 4-year warranty covers defects in materials and workmanship, providing assurance for long-term use.

During operation, monitor the system for unusual noise, vibration, or pressure fluctuations, which may indicate blockages or mechanical issues. If the pump fails to start or shows signs of overheating, disconnect the power immediately and inspect the electrical connections. The system is designed for continuous operation, but prolonged use in dry conditions should be avoided to prevent damage to the motor and seals. Always ensure the water level remains above the minimum operating depth to maintain optimal performance and prevent dry-running conditions.

Frequently asked questions

Can the 3Ti-15 be used in wells with high sand content?
Yes, the pump is specifically designed for water sources with abrasive particles like sand. Its construction minimizes wear and ensures reliable operation in such conditions.

Is the system suitable for fire protection applications?
Yes, the pump can be integrated into small and medium fire protection systems. It provides sufficient pressure and flow for emergency use in residential and agricultural settings.

Can the frequency converter be adjusted for specific pressure requirements?
Yes, the built-in frequency converter allows for pressure regulation based on system demand. This ensures stable operation and reduces mechanical stress on the pump.

How deep can the pump be submerged?
The pump is rated for submersion up to 50 m below the surface, making it suitable for deep wells and large reservoirs.