Emerson SZV22, SZO22 manual Motor Control

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Single-Compressor Module

Installation

 

 

2.6.3Compressor Module Motor Protection Variable Speed Compressor Module Protection

The VFD provides overload protection for the compressor.

Module capacity can be changed by varying the typical Compressor speed, ranging from

2400 to 4800 rpm.

Figure 10 Motor Control

12

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 TerminationsPre-Startup Checklist Initial Startup Compressor ModuleVariable Frequency Drive VFD Terminations Post-Startup Checklist During Initial OPERATION, Perform These ChecksRoutine Maintenance MaintenanceMaintenance summary 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