Bitzer CSH6553-50Y
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 | — | — | 40.83 | 51.09 |
| R134a | — | — | 41.67 | 52.81 |
| R407A | — | — | 61.26 | 76.62 |
| R407C | — | — | 61.96 | 77.25 |
| R407F | — | — | 66.19 | 82.54 |
| R450A | — | — | 36.51 | 46.27 |
| R513A | — | — | 43.66 | 54.77 |
Related Bitzer models
Frequently asked questions
What refrigerants does the Bitzer CSH6553-50Y support?
The Bitzer CSH6553-50Y is qualified for R1234yf, R134a, R407A, R407C, R407F, 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 CSH6553-50Y?
Running on R407F, the Bitzer CSH6553-50Y delivers 66.19 kW at MT, 82.54 kW at HT. Use the Benchmark tool to evaluate capacity at your exact SST/SDT and superheat conditions.
Can the Bitzer CSH6553-50Y 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 CSH6553-50Y 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.