Bitzer CO2 Environmental Friendly Compressor Racks
The Bitzer CO₂ Triple-Parallel Unit is a large-scale, eco-friendly refrigeration system integrating three Bitzer CO₂ transcritical compressors, delivering a total cooling capacity of 720HP (~530kW). Designed for industrial freezing, large-scale cold storage, and food processing, it utilizes natural refrigerant R744 (CO₂), combining zero ODP/GWP environmental benefits with high-efficiency transcritical cycle performance, suitable for demanding temperature ranges from -40°C to +10°C.
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Products Features
Ultra-High Performance & Environmental Advantages
(1)Triple-Compressor Redundancy:
Maintains 66% cooling capacity even if one compressor fails, ensuring uninterrupted operation.
Intelligent rotation logic balances runtime (deviation ≤3%).
(2)Natural Refrigerant CO₂:
ODP=0, GWP=1, fully compliant with EU F-Gas and global environmental regulations.
No phase-out risk, lower long-term operational costs.
(3) Transcritical Efficiency:
Direct gas/water cooling on the high-pressure side improves COP by 20–25% in summer vs. conventional systems.
Optional subcritical mode switch (boosts COP by 30% in low-ambient conditions).
(4) Intelligent Control System
Dynamic Load Distribution:
PLC automatically adjusts compressor staging and VFD operation (1–3 variable-speed units optional).
0–100% stepless capacity modulation, with part-load efficiency (IPLV) exceeding 4.0.
Integrated Heat Recovery:
Generates 80–90°C hot water for process heating or space warming, achieving a system EER >5.0.
Remote Monitoring:
Built-in 4G/IoT module connects to Bitzer Smart Cloud for real-time efficiency alerts.
(5)Industrial-Grade Reliability
Genuine Bitzer High-Pressure Compressors:
Model example: Bitzer ECOLINE+ T-Series, optimized for CO₂ triple-parallel operation (140bar withstand pressure).
Dual-stage oil separation (efficiency ≥99.95%), minimizing oil carryover.
Military-Grade Piping:
316L stainless steel high-pressure tubing, burst pressure ≥250bar.
System-wide helium leak test standard ≤5×10⁻⁷ mbar·L/s.
Low-Maintenance Design:
Magnetic-coupled oil pump (maintenance-free for 100,000 hours).
Quick-change filter cartridges (replacement time ≤5 minutes).
(6) Modular Scalability
Flexible Expansion: Supports up to 6 compressors in parallel (max 1440HP).
Multi-Mode Operation:
Single/dual/triple-compressor combinations adapt to seasonal load variations.
Optional cascade refrigeration (with NH₃ or HFC systems for -60°C ultra-low temps).
Products Parameters
| 3 compressor racks with B ITZER piston compressor for low temperaure cold room | ||
| Unit model | MBZBFF3-75L(Y)-CO2 | |
| Refrigerant | R22(R404A/R507A) | |
| Power supply | 380V/3P/50HZ | |
| Compressor | Model | 4TES-25Y |
| Qty | 3 | |
| Evaporating Temperature | -30℃~-5℃ | |
| Evap. Temp -25℃ |
Cooling capacity(KW) | 31.95 |
| Power input(KW) | 19.05 | |
| Running current(A) | 34.05 | |
| Liquid pipe(mm) | Φ22 | |
| Suction pipe(mm) | Φ54 | |
| Oil separator outlet(mm) | Φ35 | |
| Reservoir inlet(mm) | Φ28 | |
| Overall size | L(mm) | 2800 |
| W(mm) | 1100 | |
| H(mm) | 1650 | |
| Cooling capacity and power are calculated @45℃ condensing temp. it is used for air cooled condenser | ||
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