The magnetic bearing variable-frequency centrifugal chiller (heat pump) unit incorporates multiple core technologies, including aerospace aerodynamic design, magnetic bearing control technology, micro-channel refrigerant-cooled inverter systems, and high-efficiency permanent magnet synchronous motors. Suitable for diverse applications such as airports, rail transit, hotels, commercial buildings, and new construction or retrofit projects, it delivers an energy-efficient green building solution. This product series offers oil-free operation, high efficiency, reliable performance, wide operating range, low noise, environmental sustainability, and cost savings.
Advantages of Oil-free Magnetic Bearing Centrifugal Chiller/Heat Pump
Oil-free High Efficiency
Aerodynamic aerospace design ensures high efficiency across full load conditions.
Friction-free magnetic bearings enhance part-load efficiency, with IPLV reaching up to 12.03.
Full series certified with Grade 1 energy efficiency and AHRI endorsement.
Stability and Reliability
High-precision bearing control technology achieves static levitation accuracy of 0.5 μm for stable operation.
Dual protection with self-generation mode and backup bearings: withstands over 300 full-speed hard drops during power anomalies, and enables safe landing within design life at low speeds.
V(X) compressor rated IP67 for resistance to moisture, dust, and harsh environments, ensuring water, dust, and corrosion protection.
Wide Operating Range
Multi-technology coordination and multi-compressor configuration optimize efficiency while extending operating limits.
Single compressor cooling load can be reduced to 10%, with multi-compressor minimum load as low as 10% per unit.
Low Noise and Eco-friendly
Advanced noise reduction technologies maintain operational noise levels as low as 70 dB(A).
Utilizes eco-friendly refrigerant R134a, with optional switch to lower-GWP R1234ze(E) for enhanced sustainability.
Intelligent and User-friendly
Upgraded intelligent platform with built-in IoT cloud gateway.
Integrated energy-saving algorithms, health monitoring, and anti-surge control for smarter, low-maintenance operation.