Bitzer S4T-5.2Y
German-engineered semi-hermetic reciprocating and screw compressors for industrial refrigeration.
Specifications
- Compression technology: Reciprocating
- Configuration: Single
- Enclosure / drive: Semi-Hermetic
- Cylinders: 4
- 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 |
|---|---|---|---|---|
| R404A | 1.78 | 5.97 | — | — |
| R407F | 1.09 | 5.0 | — | — |
| R448A | 0.92 | 4.72 | — | — |
| R449A | 0.94 | 4.74 | — | — |
| R507A | 1.93 | 6.28 | — | — |
Related Bitzer models
Frequently asked questions
What refrigerants does the Bitzer S4T-5.2Y support?
The Bitzer S4T-5.2Y is qualified for R404A, R407F, R448A, R449A, R507A. 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 S4T-5.2Y?
Running on R507A, the Bitzer S4T-5.2Y delivers 1.93 kW at ULT, 6.28 kW at LT. Use the Benchmark tool to evaluate capacity at your exact SST/SDT and superheat conditions.
Can the Bitzer S4T-5.2Y 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 S4T-5.2Y 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.