Product details
Danfoss SZ185S4RD Scroll Compressor | 15 HP | R407C, R134a, R404A | 3-Phase
Product Description:
The Danfoss SZ185S4RD (often referenced in the SZ185-4RI series) is a premium 15 HP scroll compressor engineered for superior performance in medium and high-temperature applications. Optimized for multiple refrigerants including R407C, R134a, and R404A, this unit is a versatile solution for rooftop packages, chillers, and industrial process cooling in the UAE. Its advanced scroll technology minimizes friction and mechanical wear, ensuring high energy efficiency and a long service life even under the Middle East’s extreme ambient conditions. With a robust hermetic design, it provides reliable, quiet operation and consistent cooling capacity for demanding commercial environments.
Key Features & Benefits:
- Multi-Refrigerant Compatibility: Highly versatile unit suitable for R407C, R134a, and R404A systems.
- High Efficiency Scroll Technology: Delivers powerful 15 HP performance with optimized energy consumption.
- Extreme Climate Resilience: Specifically built to handle high-ambient temperatures in the UAE without loss of reliability.
- Low Noise & Vibration: Precision-machined components ensure smooth operation, ideal for noise-sensitive commercial areas.
- Internal Protection: Features advanced internal motor protection against thermal overload and electrical fluctuations.
Technical Specifications :
| Specifications | Value |
| Manufacturer | Danfoss |
| Model Number | SZ185S4RD (SZ185-4RI) |
| Compressor Type | Scroll (Hermetic) |
| Horsepower (HP) | 15 HP |
| Refrigerant(s) | R407C, R134a, R404A, R507A |
| Voltage / Phase | 380-400V / 3-Phase / 50Hz (460V / 60Hz) |
| Oil Type | POE (Polyolester Oil) |
| Displacement | 249.2 cm³/rev |
| Cooling Capacity | ~43.5 kW (at Standard Rating) |
| Connection Type | Brazed (Solder) / ODF |
| Net Weight | ~103 kg |
FAQs:
- Q: Is the SZ185S4RD suitable for R22 systems?
- A: No, this model uses POE oil and is designed for HFCs like R407C. For R22, the SM series is typically recommended.
- Q: What is the main application for this 15 HP unit in the UAE?
- A: It is widely used in commercial air conditioning, large rooftop units, and water-cooled chillers.
- Q: Does it come with an oil charge?
- A: Yes, it is factory-precharged with POE oil, which is essential for operation with R407C and R134a.





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