The Danfoss SZ175 is a high-efficiency scroll compressor designed for air conditioning and refrigeration applications. Here’s a breakdown of its key features:​

Type:
Scroll compressor​

Refrigerant Compatibility:
Compatible with R134a, R404A, and R407C refrigerants.​

Power Supply:
Operates on three-phase power, with voltage options including 380–400V/3/50Hz or 460V/3/60Hz.​

Cooling Capacity:
Nominal cooling capacity is approximately 45.6 kW (155,000 BTU/h) at standard ARI conditions.​

Oil Type:
Polyolester (POE) oil, specifically 160SZ.​

Oil Charge:
6.2 liters.

Swept Volume:
Approximately 416.6 cm³.​

Physical Dimensions:

• Diameter: 317 mm

• Total height: 643 mm

• Suction connection size: 1 5/8 inch

• Discharge connection size: 7/8 inch

Operating Limits:

• Maximum high-side pressure: 34.3 bar

• Maximum low-side pressure: 25.0 bar

• Maximum operating current: 34 A

• Maximum number of starts per hour: 12

Applications:
Primarily used in air conditioning systems, such as:​

• Commercial air conditioning

• Industrial air conditioning

• Process cooling​

The SZ series is designed to support modern refrigerants in response to environmental regulations. When choosing the SZ175, consider system compatibility, refrigerant availability, and long-term regulatory compliance.