Emerson SZV22, SZO22 manual Single-Compressor Module Maintenance

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Single-Compressor Module	Maintenance

•Scavenge line orifice or screen is restricted. Clean or replace.

•Insufficient back pressure. Confirm 50-60 psig or higher backpressure when the compressor is running.

•No specific cause found. Replace oil separator block assembly, scavenge line and secondary oil separator element.

20	2008SSD-34 (5/11)

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Contents Copeland Scroll Compressor Module Page Table of Contents Table of Contents Figures Compressor Module Nomenclature Important Safety Information Safety Alert Symbol Safety Symbols Used in This ManualCompressor Module IntroductionCompressor Compressor PackageInlet and Discharge Pressures Installation GuidelinesGeneral Installation Guidelines Required Component-Inlet Gas ScrubberAmbient Temperature Range Installation Clearance and Dimensions Compressor Module Dimensions, in. mmProcess and Instrumentation Diagrams P&IDs Electrical Controls SwitchesSwitchStatus General ConsiderationsOil Cooler Fan Control Brushless DC FanSingle-Compressor Module Installation Motor Control Electrical Requirements Typical Compressor Module power supply requirementsCompressor Power data based on 480VAC Variable Speed Code DescriptionWiring Control Circuit Terminations Control Wiring TerminationsVariable Frequency Drive VFD Terminations Pre-Startup ChecklistInitial Startup Compressor Module Post-Startup Checklist During Initial OPERATION, Perform These ChecksMaintenance summary Routine MaintenanceMaintenance Maintenance Tools Maintenance ToolsHigh Oil Carryover Oil ServiceSymptoms Possible CauseSingle-Compressor Module Maintenance Cleaning the Inlet Screen Servicing the Scavenge Line OrificeVFD fault codes and descriptions Troubleshooting GuideTroubleshooting Changing the Second-Stage Separator ElementPlatform Symptoms Diagnosis Platform troubleshooting guidelinesSpecifications Compressor Module Specifications Emergency Number 989 Product Name and Information Appendix A - Material Data Safety SheetSupplier Components and Hazard StatementReactivity Data Spill or Leak ProceduresFire and Explosion Hazards Health Hazard DataPage EmersonClimate.com