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OS.A95 Series
IQ MODULE
OS.A95 Series
On the notepadThe OS.A95 series is the new open-drive BITZER screw compressor series for use in industrial ammonia applications. The series combines increased refrigerating capacity with proven reliability and outstanding energy efficiency in full and part load. The on-board IQ MODULE simplifies installation and service and increases the system uptime.
Applicable refrigerants
- Natural low-GWP refrigerant
- R717 (NH₃)
Capacity range
- 4 models: 700... 1,015 m³/h at 2,900 rpm
Certifications
- CE
- EAC
- DNV
- UL (IQ MODULE)
Industry sectors
- Food and beverages industry
- Chemical and pharmaceutical industry
- Leisure and sports industry
- Marine and offshore industry
Applications
- Refrigerated MT and LT storage
- Blast chilling/freezing systems
- Process and A/C liquid chillers
- Ice production
- Ice rinks
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Features
Highlights
- Industry-leading efficiency in full and part load operation
- Outstanding wide application range
- Easy parallel compounding for increased system capacity
- Suitable for VSD operation
- Speed range 1,450 ... 4,000 rpm
Cutting-edge technology
- On-board IQ MODULE
- Protection, monitoring, analysis, operation and communication
- Double slider technology
- Stepless mechatronic capacity regulation: 100% ... 10%
- Automatic Vᵢ adaptation
Product versions
- OSKA: Universal for MT, LT and A/C applications
- OSNA: Increased efficiency in LT applications
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Benefits
Reduced life cycle costs
- Very low operating costs due to outstanding high energy efficiency
- Long lifetime due to high robustness and low-vibration design
- Low maintenance costs due to service-friendly design
- BITZER Global Service network for quick spare part availability all over the world
Operational safety and reliability
- High compressor reliability
- Application limits monitoring
- Advanced oil management
- All compressors are 100% factory-tested and pre-parameterised
Flexibility
- Wide application range enables flexible use
- In a wide range of system configurations
- Mechatronic capacity control or variable-speed drive
- Easy parallel operation of compressors due to internal discharge check valve
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Accessories
Compressor-related accessories
- Wide range of suction and discharge bushings and discharge gas shut-off valves
- Matching couplings and coupling housings
- Adaptor and shut-off valve for economiser connection
- OS.A85: IQ MODULE for simplified compressor control and monitoring
System-related accessories
- Primary and secondary oil separators
- Oil separators for NH₃: OA..A series
- Combined oil separators for NH₃: OAC series; OAHC series
- Secondary oil separators for NH₃: OAS series
- Oil coolers
- Water cooled oil coolers for NH₃: OW..A series
- Liquid receivers:
- Horizontal liquid receivers for NH₃: F..A series
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Video
Efficient BITZER OS.A95 ammonia screw compressors: flexible and eco-friendly
Operating instructions*
*For further documentation please choose Product Type
Products
Technical Data OPEN IN SOFTWARE TO DOCUMENTATION
Technical Data OPEN IN SOFTWARE TO DOCUMENTATION
Technical Data OPEN IN SOFTWARE TO DOCUMENTATION
Technical Data OPEN IN SOFTWARE TO DOCUMENTATION
Technical Data OPEN IN SOFTWARE TO DOCUMENTATION
Technical Data OPEN IN SOFTWARE TO DOCUMENTATION
* Displacement in m³/h at 2900/3500 rpm