Semi-Hermetic Compressors Technical Details
4MTL-12X - AWM
Cooling Capacity at Standard Condition 19.24kW
R744, Evaporating -10°C, Cool Gas Temperature 35°C, 90 bar Superheat 10K, Subcooling 0K
Mechanical Data
Number of cylinders4.0 Displacement @ 50 Hz, cu.m/h9.5
Bore/Stroke, mm35.0/28.5 Length/Width, mm697/444
Height, mm423.0 Net Weight, kg170.0
Gross Weight, kg187.0 Suction, inchODxID: 1.063x0.827
Discharge, inchODxID: 0.839x0.630 Oil Quantity, l1.8
Base mounting (hole dia), mm368 x 256 (22.5) High Side PS, bar(g)135.0
Low Side PS, bar(g)90.0  
Electrical Data
Maximum Operating Current, A26.5 Locked Rotor Current, A145.0
Default Enclosure ClassIP 54 (IEC 34)  
Discharge Shut-off Valve
Crankcase Heater100W Internal
Discharge Temperature ProtectionHead PTC sensor
InverterControl Techniques SK 3402
Mounting PartsSpring
Mounting PartsRubber
CoreSense DiagnosticsMotor and discharge line temperature protection; advanced diagnostic features and power measurement
Related Documentation
Stream - The-state-of-the-art semi-hermetic piston technology
Product leaflets
Stream Series
Stream for R744 Refrigeration
CoreSense Diagnostics for Refrigeration
Variable Speed Drives and Stream Compressors
Technical Information
Motors for Copeland™ Semi-hermetic Compressors
Model Designation for Copeland Brand Semi-Hermetic Compressor
CoreSense™ Diagnostics Module for Copeland Stream compressors
CoreSense™ Diagnostics Module - Quick installation guide
Digital Conversion kit - Quick installation guide
Unloaded Start for Semi-hermetic Compressors
Technical Drawings
Drawing for compressor 4MTL12X/15X/30X & 4MSL
CO2 Stream Semi-Hermetic Declaration of Incorporation according to the Machinery Directive 2006/42/EC
CO2 Stream Semi-Hermetic Conformity Declaration CE according to the Low Voltage Directive 2006/95/EC