Emerson Copeland AE4 1322 Copeland Screw Compressor Manual

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Tags	Emerson Copeland AE4 1322
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E4-1322 April 2002 Copeland Screw Compressors Semi-Hermetic Compact Application Manual SCH2 & SCA2 High Temp Compressors 35 ­ 140 Horsepower Contents 1 General 2 Design and functions 2.1 Design features 2.2 Compression process Vi control 2.3 Capacity control and start unloading 2.4 Hydraulic control 2.5 Starting the compressor 2.6 Infinite capacity control Oil circulation 3 Lubricants 4 Integration into the refrigeration circuit 1.1 Mounting the compressor 1.2 System layout 1.3 Guide lines for special system variations 1.4 Additional cooling by liquid injection 1.5 Additional cooling by external oil cooler 5 Economizer operation 5.1 General 5.2 Operation principal 5.3 ECO operation with subcooling circuit 5.4 ECO operation with intermediate pressure receiver 5.5 Layout and selection recommendations 5.6 Additional components 5.7 Control 6 Electrical connections 6.1 Motor design 6.2 Selection of electrical components 6.3 Compressor protection system 6.4 Schematic wiring diagrams 7 …

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