Semi-Hermetic Compressors Technical Details
 
 
D4ST-2000 - AWM
Cooling Capacity at Standard Condition 38.70kW
R22, Evaporating -10°C, Condensing 45°C, Superheat 10K, Subcooling 0K
 
Mechanical Data
Number of cylinders4.0 Displacement @ 50 Hz, cu.m/h84.7
Bore/Stroke, mm74.7/55.6 Length/Width, mm700/490
Height, mm495.0 Net Weight, kg198.0
Gross Weight, kg214.0 Rotalock Discharge, inch1 3/8
Suction, inch2 1/8 Oil Quantity, l3.3
Frequency Range, Hz25 - 60 Base mounting (hole dia), mm381 x 305 (18.0)
Sound Pressure @ 1m, dBA72.0 High Side PS, bar(g)28.0
Low Side PS, bar(g)22.5  
 
Electrical Data
Maximum Operating Current, A37.4 Locked Rotor Current, A175.0
Default Enclosure ClassIP 54 (IEC 34)  
 
Accessoires
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
Check Valve (NRV)For unloaded start operation
 
Related Documentation
Catalogue
Semi-Hermetic Compressors Product Selection Catalogue (2009)
General Product Catalogue 2014
 
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
Unloaded Start for Semi-hermetic Compressors
 
Application Guidelines
DWM Copeland Semi-Hermetic Discus & Standard Compressors
 
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 D4ST
 
Certificates
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*
Legend