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R134a 230-3000RT Oil-Free HVAC - The Future of Centrifugal Cooling with Oil-Free Magnetic Levitation Technology
Product Overview
The Midea MagBoost Water Cooled Centrifugal Chiller series represents the cutting edge of centrifugal cooling technology. Featuring proprietary oil-free magnetic bearing technology, these chillers deliver capacities from 230 to 3000RT, setting new standards for efficiency, reliability, and environmental responsibility.
The revolutionary back-to-back two-stage compression architecture delivers 4% improvement in full-load efficiency and 7% improvement in part-load efficiency compared to conventional magnetic bearing chillers. The permanent magnet synchronous motor with direct drive eliminates gearbox losses, further improving overall system efficiency.
With micro-channel refrigerant-cooled variable frequency drives (VFD) developed in-house, Midea has solved the traditional challenges of heat dissipation, harmonics, and IGBT reliability. The innovative backup bearing system with self-power generation ensures safe landing probability 300 times higher than conventional systems in power outage scenarios.
Core Features
Oil-Free Magnetic Bearing Technology: Advanced magnetic bearing system operates at 20kHz position monitoring frequency with micron-level control precision, performing 400,000 inspections per second to eliminate oil lubrication requirements.
Back-to-Back Two-Stage Compression: Delivers 4% full-load efficiency improvement and 7% part-load efficiency improvement compared to conventional magnetic bearing centrifugal chillers.
Permanent Magnet Synchronous Motor with Direct Drive: Eliminates gearbox losses through direct drive technology, improving mechanical efficiency while reducing maintenance requirements.
Micro-Channel Refrigerant-Cooled VFD: Self-developed variable frequency drive addresses traditional VFD challenges including heat dissipation, harmonic distortion, and IGBT reliability.
Falling-Film Evaporator: Reduces refrigerant charge requirements while maintaining excellent heat transfer performance for environmental responsibility.
Backup Bearing System with Self-Power Generation: Ensures safe landing probability 300 times higher than conventional designs during power interruptions.
Wide Part-Load Operation Range: Single compressor configurations operate reliably down to 10% minimum load with cooling water operation possible at temperatures as low as 12°C.
Low Noise Operation: Noise levels as low as 70dB(A) per AHRI 575 testing ensure quiet operation suitable for hospitals, hotels, and office buildings.
LEED Certification Support: Contributes to LEED certification through refrigerant management compliance and energy efficiency optimization.
20-Year Maintenance Cost Savings: Approximately 9 million RMB in maintenance and operating cost savings over 20 years compared to conventional oil-free centrifugal chillers.
ASHRAE Research Validation: Eliminates efficiency degradation caused by oil content in conventional systems, ensuring consistent performance throughout equipment lifecycle.
Application Scenarios
Airport and Rail Transit
Large-scale transportation hubs require reliable, high-capacity cooling for passenger comfort and operational systems. The oil-free technology and superior efficiency make MagBoost ideal for these mission-critical applications.
Ultra-Large Public Buildings
Stadiums, convention centers, and mega-commercial complexes benefit from the high capacity, superior efficiency, and low maintenance requirements. The modular configurations accommodate varying cooling demands across large footprints.
District Cooling Systems
Central plant district cooling applications require efficient, reliable chillers that operate continuously at high capacity. The MagBoost delivers the performance and reliability needed for district energy systems.
Certifications & Standards
AHRI Certified - Air-Conditioning, Heating, and Refrigeration Institute performance verification
LEED Compatible - Supports Leadership in Energy and Environmental Design certification points
ASHRAE Validated - Performance validated by ASHRAE research
CE Marking - European safety and environmental compliance
ISO 9001 - Quality management system certification
Henan Hongtai HVAC Equipment Co., Ltd. is a technology-based service enterprise integrating the sales of air-conditioning system and related accessories, exporting the products with good quality and the most suitable ones for customers' project. Our main products include VRF system, Chille... Henan Hongtai HVAC Equipment Co., Ltd. is a technology-based service enterprise integrating the sales of air-conditioning system and related accessories, exporting the products with good quality and the most suitable ones for customers' project. Our main products include VRF system, Chille...
