Bitzer CSW7583-70Y
German-engineered semi-hermetic reciprocating and screw compressors for industrial refrigeration.
Specifications
- Compression technology: Screw
- Configuration: Single
- Enclosure / drive: Semi-Hermetic
- Variable speed: Fixed-Speed
- Hazardous-area certification: No
- Product category: compressor
Qualified refrigerants & capacity
Capacity (kW) evaluated at standard conditions: ULT (-60/45 °C), LT (-35/45 °C), MT (-10/45 °C), HT (-5/45 °C).
| Refrigerant | ULT | LT | MT | HT |
|---|---|---|---|---|
| R1234yf | — | — | 94.8 | 118.92 |
| R1234ze(E) | — | — | 70.04 | 88.77 |
| R134a | — | — | 95.06 | 120.11 |
| R450A | — | — | 82.69 | 104.54 |
| R513A | — | — | 99.83 | 125.37 |
Related Bitzer models
Frequently asked questions
What refrigerants does the Bitzer CSW7583-70Y support?
The Bitzer CSW7583-70Y is qualified for R1234yf, R1234ze(E), R134a, R450A, R513A. Capacity values at standard ULT (-60/45 C), LT (-35/45 C), MT (-10/45 C), and HT (-5/45 C) conditions are listed in the table above for each refrigerant.
What is the cooling capacity of the Bitzer CSW7583-70Y?
Running on R513A, the Bitzer CSW7583-70Y delivers 99.83 kW at MT, 125.37 kW at HT. Use the Benchmark tool to evaluate capacity at your exact SST/SDT and superheat conditions.
Can the Bitzer CSW7583-70Y be retrofit to a lower-GWP refrigerant under EU F-Gas Regulation 2024/573?
Open the F-Gas Retrofit tool with this model pre-selected to see drop-in alternatives ranked by capacity match, COP, GWP, PFAS impact, and 2026/2030/2035 phase-out timeline.
What polynomial standard is the Bitzer CSW7583-70Y performance data based on?
Capacity, power, and current polynomials follow EN 12900 for European-origin brands and AHRI 540 for North American brands. Coefficients are normalized into a common form for cross-brand comparison. Fit your own data in the Polynomial Fitter tool.