
Permanent Magnet Variable Frequency Circulation Pump
The Permanent Magnet Variable Frequency Circulation Pump series is an ultra-efficient, smart water circulating solution designed for modern residential and commercial heating, cooling, and hot water systems. Powered by advanced electronically commutated motor (ECM) technology and permanent magnet rotors, this variable speed pump automatically adjusts its output according to real-time system demand, delivering optimal thermal comfort while drastically reducing energy consumption compared to tradi

Key Features
- High Energy Efficiency (ECM Technology): Driven by high-performance permanent magnet motors to achieve maximum energy savings and meet strict global energy efficiency standards (such as ErP / EEI $\le 0.20$).
- Smart Variable Frequency Drive: Integrated VFD technology allows intelligent proportional pressure, constant pressure, and constant speed operational modes.
- Digital LED Control Interface: High-contrast digital screen displays real-time power consumption ($W$), operating mode, flow status, and fault codes for easy setup and diagnostics.
- Ultra-Quiet Operation: Precision engineering and fluid mechanics design ensure whisper-quiet performance ($< 40\text{ dB}(A)$), ideal for indoor residential installations.
- Durable & Compact Design: Heavy-duty cast iron or stainless steel pump housing with anti-corrosion coating, compact footprint, and standard union thread connections for quick drop-in replacement.
Technical Specifications
- Product Type: Permanent Magnet Variable Frequency Circulation Pump
- Motor Type: Electronically Commutated Motor (ECM) / Permanent Magnet Synchronous Motor
- Power Supply: Single Phase AC 220V–240V / 110V, 50/60 Hz
- Max Head: 4 m / 6 m / 8 m (Model Dependent)
- Max Flow Rate: Up to $3.5\text{ m}^3/\text{h} - 4.5\text{ m}^3/\text{h}$
- Fluid Temperature Range: $+2^\circ\text{C}$ to $+110^\circ\text{C}$
- Max Working Pressure: 10 bar (1.0 MPa)
- Protection Class: IP44 / Class H Insulation
- Pump Housing Material: Cast Iron (Electro-coated) / Stainless Steel / Composite
Applications
- Hydronic radiant underfloor heating circulation loops
- Air-to-water heat pump and boiler circulating loops
- Solar thermal water heating systems
- Domestic hot water re-circulation (DHW)
- Radiator heating networks and HVAC zone control



