Oil-Free Centrifugal Chiller Eliminating Maintenance Costs
MagBoost Magnetic Levitation Centrifugal Chillers
Oil-Free Excellence with COP 6.774 and 20-Year Maintenance Savings of 100 Million+
Product Overview
The Midea MagBoost Magnetic Levitation Centrifugal Chiller series represents the pinnacle of water-cooled cooling technology, offering capacities from 230 to 3,000 RT on R134a refrigerant. This revolutionary series eliminates traditional oil lubrication through magnetic bearing technology derived from aerospace engineering, enabling true oil-free operation with significant implications for system efficiency and maintenance.
The back-to-back two-stage compression system incorporates aerospace-derived aerodynamic technology, achieving 4% improvement in full-load efficiency and 7% improvement in part-load efficiency. Permanent magnet synchronous motors deliver superior performance across the operating envelope, while microchannel evaporator technology reduces refrigerant charge and improves heat transfer by 25-30%.
Advanced protection systems include 20kHz high-frequency position monitoring with μm-level levitation precision, self-power generation mode for emergency operation, and redundant backup bearings. The chiller operates stably with cooling water temperatures as low as 12°C and supports single-compressor loads down to just 10%, providing exceptional flexibility for variable load applications.
With COP reaching 6.774 and IPLV reaching 12.03, the MagBoost series delivers extraordinary efficiency. The complete 5-year warranty combined with 10-year magnetic bearing compressor warranty provides unmatched confidence. Critically, the design supports seamless transition to next-generation refrigerants including R1234ze, R513A, and R515B, future-proofing installations against evolving environmental regulations.
Core Features & Benefits
- Magnetic Levitation Bearing Technology for True Oil-Free Operation
- Aerospace-Derived Aerodynamic Technology with Back-to-Back Two-Stage Compression
- 4% Full-Load Efficiency Improvement and 7% Part-Load Efficiency Improvement
- Permanent Magnet Synchronous Motors for Superior Performance
- Microchannel Evaporator Technology: 25-30% Heat Transfer Improvement with Reduced Refrigerant Charge
- Microchannel Condenser Inverter Cooling for Enhanced Reliability
- 20kHz High-Frequency Position Monitoring with μm-Level Levitation Precision
- Self-Power Generation Mode with Backup Bearings for Emergency Protection
- Single Compressor Operating Down to 10% Load Capacity
- Stable Operation with Cooling Water Temperatures as Low as 12°C
- Low-Noise Operation at 70dB(A)
- 20-Year Maintenance Savings of 100 Million+ and Operating Cost Savings of 800 Million+
- Future-Ready Design Supporting R1234ze/R513A/R515B Refrigerant Transition
- Complete 5-Year Unit Warranty + 10-Year Magnetic Bearing Compressor Warranty
Application Scenarios
Large-scale commercial buildings and office complexes, healthcare facilities and hospitals, data centers (primary cooling infrastructure), airports and transportation hubs, industrial process cooling, district energy plants and central utilities, convention centers and entertainment venues, financial institutions and data processing facilities.
Certifications & Standards
AHRI 550/590: Water-chilling packages using the vapor compression cycle, LEED (Leadership in Energy and Environmental Design) certification support, GB 19577-2024 Level 1 Energy Efficiency (Chinese National Standard).
Technical Specifications
| Parameter |
MagBoost Series |
| Cooling Capacity |
230-3,000 RT |
| Refrigerant |
R134a (R1234ze/R513A/R515B ready) |
| Compressor Type |
Magnetic Levitation (Oil-Free) |
| Compression |
Back-to-Back Two-Stage |
| Motor Type |
Permanent Magnet Synchronous |
| Evaporator Type |
Microchannel Flooded |
| COP (Max) |
6.774 |
| IPLV (Max) |
12.03 |
| Minimum Single Compressor Load |
10% |
| Cooling Water Range |
12°C+ stable operation |
| Noise Level |
70 dB(A) |
| Operating Range |
Full range variable load |
| Warranty |
5 years unit + 10 years magnetic bearing compressor |
| Refrigerant Transition |
R1234ze / R513A / R515B compatible |
Key Performance Advantage
The MagBoost series delivers exceptional energy efficiency with COP of 6.774 and IPLV of 12.03, combined with substantial long-term savings through oil-free operation and reduced maintenance requirements.
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