Dunham Bush oil-free chiller specifications vary by model, but key features include cooling capacities from ~264 to 4220 kW (~75 to 1200 RT), magnetic bearing, inverter-driven dual-stage compressors, and options for high-efficiency or environmentally friendly refrigerants like R134a, R513A, and R1234ze. Other common specifications include AHRI certification, low noise operation, a compact footprint, and high energy efficiency (IPLV).

General specifications

Cooling Capacity: Available from approximately 264 to 4220 kW (75 to 1200 tons of refrigeration).

Compressor: Oil-free, inverter-driven, dual-stage magnetic bearing compressors.

Refrigerants: Options include environmentally friendly refrigerants such as R134a, R513A, and R1234ze.

Efficiency: High energy efficiency, with performance metrics like Integrated Part Load Value (IPLV) being a key indicator.

Certifications: AHRI certified.

Operation: Low noise, compact footprint, and less maintenance due to the oil-free magnetic bearing technology.