TABLE OF CONTENTS
Safety
Safety Instructions ............................................... 2
Safety Icon Explanation ....................................... 2
Instructions Pertaining to Risk of Electrical
Shock, Fire, or Injury to Persons .......................... 3
Safety Statements................................................ 3
Introduction
Product Description.............................................. 4
Compressor Data ................................................. 4
Power Supply ...................................................... 4
Nomenclature ...................................................... 4
Agency Approvals ................................................ 4
OEM Lab Testing .................................................... 4
Modeling System Performance ............................ 4
Compressor Design Features ................................ 4
Compressor Motor ............................................... 4
Oil Pump .............................................................. 4
Application Considerations
Compressor Temperature Protection.................... 5
Variable Speed Drive Options
Third Party Drive .................................................. 5
Emerson EVC Drive Features
Oil Boost .................................................... 5
Motor Protection ......................................... 5
Missing Phase Protection ........................... 5
Short Cycle Protection ................................ 5
Resonance Avoidance Feature .................. 5
Discharge Temperature Protection ............. 5
Emerson EVC Operating Envelope ............ 5
Emerson EVC Starting and
Stopping Routine ....................................... 5
Other Features ........................................... 5
Emerson EVC Drive and Variable Speed
Scroll Set-Up ....................................................... 6
Refrigerant ........................................................... 6
Operating Envelope ............................................. 6
High Pressure Control .......................................... 6
Low Pressure Control .......................................... 6
Discharge Temperature Protection ....................... 6
Motor Overload Protection ................................... 7
Oil Type ............................................................... 7
Maximum Tilt Angle ............................................. 7
Contaminant Control ............................................ 7
Refrigerant Piping ................................................. 7
Long Pipe Lengths / High Refrigerant Charge ....... 7
Discharge Check Valve ........................................ 8
Suction and Discharge Tube Design ..................... 8
Compressor Mounting .......................................... 8
Discharge Mufflers ............................................... 8
Airborne Sound Control ........................................ 8
Expansion Devices ............................................... 9
Reversing Valves ................................................. 9
Accumulators ....................................................... 9
Off-Cycle Migration Control................................... 9
Manifolded Compressors ..................................... 10
Manifolded Applications ....................................... 10
Application Tests ................................................... 11
General Application Tests .................................... 11
Assembly Line Procedures
Installing the Compressor .................................... 11
Assembly Line Brazing Procedure ....................... 11
Pressure Testing ................................................. 11
Assembly Line System Charging Procedure ........ 11
High Potential Testing ......................................... 12
Final Run Test ..................................................... 12
Unbrazing System Components .......................... 12
Service Procedures ............................................... 12
Electrical Troubleshooting ................................... 12
Troubleshooting Motor Temperature Trip ............. 13
Compressor Replacement After a Motor Burn ...... 13
Start-Up of a New or Replacement Compressor .. 13
Figures & Tables
Compressor Nomenclature .................................. 14
EV Nomenclature ................................................ 14
Oil Dilution Chart ................................................. 15
Scroll Suction Tube Brazing................................. 16
How a Scroll Works ............................................. 17
Discharge Thermistors ........................................ 18
Cross Sectional View........................................... 18
Electrical Nomenclature for Multiples .................. 19
Start Up & Shut Down Procedure ........................ 20
Compressor Accessories & Service Parts ............ 21
Compressor Motor Specifications ........................ 22
Emerson Compressor & Drive Selection .............. 22
Compressor Refrigerant Charge Limits Table ...... 23
Speed Adjustment Requirements ........................ 23
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