Description
The Danfoss MT28-4VI is a heavy-duty R22 reciprocating compressor engineered for demanding commercial refrigeration and air conditioning applications. Designed to operate with mineral oil lubrication, this compressor delivers proven Danfoss reliability and efficiency in a robust, field-ready package.
Capacity & Performance
- Refrigerant: R22
- Cooling Capacity: 30,231 BTU/h
- BTU/h rating based on: Evaporator Temperature 45°F, Condenser Temperature 130°F, Superheat 20°F, Subcooling 15°F
- Lubricant Type: Mineral Oil
Electrical Specifications
- Voltage Option 1: 380–400 Volt, 3 Phase, 50 Hz
- Voltage Option 2: 460 Volt, 3 Phase, 60 Hz
- Dual-voltage design for flexible installation across international and domestic applications
Connection Details
- Suction Connection: 1″ Rotolock
Key Features
- Reciprocating compressor design for reliable, long-service-life operation
- Compatible with R22 refrigerant systems
- Mineral oil lubrication for proven compatibility with R22
- Dual-frequency, dual-voltage electrical configuration supports both 50 Hz and 60 Hz systems
- Rotolock suction connection for secure, leak-resistant field connections
- Manufactured by Danfoss, a globally trusted leader in HVAC/R compressor technology
Typical Applications
- Commercial air conditioning systems
- Medium-temperature refrigeration
- Rooftop units and condensing units
- Replacement and retrofit of existing R22 compressor installations









