The SM185W4XD is a hermetic scroll compressor from Danfoss’s SM series, designed for commercial air-conditioning and refrigeration systems. It’s a high-capacity compressor used in medium-large cooling applications.
Specifications
Brand / Series: Danfoss SM (Scroll compressor)
Model: SM185W4XD
Type: Fixed-speed, hermetic scroll compressor — reliable and quiet with fewer moving parts compared to reciprocating types.
Refrigerant: R-22 (common for legacy and industrial A/C systems)
Voltage / Phase:
~380–415 V, 3-phase @ 50 Hz
~460 V, 3-phase @ 60 Hz
Cooling Capacity: ~185,000 BTU/h (~54 kW at 60 Hz, ~41 kW at 50 Hz)
Horsepower Class: ~15 HP range (industrial)
Electrical Characteristics:
~Locked Rotor Amps (LRA): ~155 A
~Rated Load Amps (RLA): ~24 A
~Maximum Operating Current: ~35 A
Oil & Mechanical:
~Oil Charge: ~6.2 L (mineral oil)
~Swept Volume: ~249.9 cm³/rev
~Connection Type: Brazed suction/discharge (industrial installation)
Weight: ~100 kg (net)
Typical Applications
Commercial air-conditioning condensing units
Industrial HVAC systems requiring robust fixed-speed compressed refrigerant
Medium-large capacity chillers and cooling equipment
The SM185 series compressors are commonly used where high cooling capacity and 3-phase power are standard.
