The Danfoss SZ120 is a high-efficiency scroll compressor designed for air conditioning applications. Here’s a breakdown of its key features:

Type:
Scroll compressor

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

Power Supply:
Operates on three-phase power, with voltage options including 380–415V/50Hz or 460V/60Hz.

Cooling Capacity:
Nominal cooling capacity is approximately 28,600 W (97,600 BTU/h) at standard ARI conditions.

Oil Type:
Polyolester (POE) oil, specifically 160SZ, with an oil charge of 3.25 liters.

Swept Volume:
Approximately 166.6 cm³

Physical Dimensions:

• Diameter: 254 mm

• Total height: 558 mm

• Suction connection size: 1 3/8 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: 24 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 SZ120, consider system compatibility, refrigerant availability, and long-term regulatory compliance.