Semi-Hermetic Compressors Technical Details
D4SJ-2000 - AWM
Cooling Capacity at Standard Condition 22.60kW
R22, Evaporating -35°C, Condensing -10°C, Suction Gas Return 20°C, Subcooling 0K
Mechanical Data
Number of cylinders4.0 Displacement @ 50 Hz, cu.m/h84.7
Bore/Stroke, mm74.7/55.6 Length/Width, mm670/490
Height, mm495.0 Net Weight, kg194.0
Gross Weight, kg210.0 Suction, inch2 1/8
Discharge, inch1 3/8 Oil Quantity, l3.3
Frequency Range, Hz25 - 60 Base mounting (hole dia), mm381 x 305 (18.0)
Sound Pressure @ 1m, dBA77.0 High Side PS, bar(g)28.0
Low Side PS, bar(g)22.5  
Electrical Data
Maximum Operating Current, A17.5 Locked Rotor Current, A175.0
Default Enclosure ClassIP 54 (IEC 34)  
Mounting Springs4
Crankcase Heater100W Internal
Additional Cooling70W Vertical Air Flow Fan
Unloaded StartAvailable
Capacity ControlCapacity Steps 50%
Discharge Temperature ProtectionHead PTC sensor
Oil Pressure SwitchOPS2 Electronic Switch
Oil Pressure SwitchOPS2 Sensor
Enclosure ClassIP56
Deep Oil SumpMounted
Adapter KitFor Parallel Operation
Related Documentation
Semi-Hermetic Compressors Product Selection Catalogue (2009)
General Product Catalogue 2015
Technical Information
Semi-hermetic compressors - additional fans
Oil pressure safety control
Discharge Temperature Protection on DWM Semi-Hermetic Compressors
Motors for Copeland™ Semi-hermetic Compressors
Refrigerant changeover from HCFC to HFC refrigerants
Mounting parts for semi-hermetic compressors
Starting methods
Semi-Hermetic Compressors Capacity Control
Use of Inverters with DWM Copeland Semi-hermetic Compressors
Refrigerant Changeover from HCFC R22 to HFC R422AD
Oil additives
Model Designation for Copeland Brand Semi-Hermetic Compressor
Refrigerant changeover - HFC R404A to HFC R407F/F, R448A, R449A
Unloaded Start for Semi-hermetic Compressors
Application Guidelines
Semi-Hermetic Compressors - Discus, K, L & S-Series
Replacement Guidelines
Replacement Guidelines for 2, 3, 4, 6 & 8 Cylinder S-Series and for 4 & 6 Cylinder Discus
Service Compressors for 4&6 Cylinder S-Series & Discus - D4D, D4S, D6D & D6S
Technical Drawings
Drawing for compressor D4SJ200
Semi Ref 4S / 6S / 8S / 6T: Conformity Declaration CE 06 according to the Low Voltage Directive 2006/95/EC
Semi Ref 4S / 6S / 8S / 6T: Conformity Declaration according to the RoHS Directive 2011/65/EU
Wiring Diagramms
Wiring diagram Semi Hermetics D4, D6, D8 AW*