Refrigeration compressors 
A Trane Air Conditioning Clinic 
Air Conditioning Clinic TTRRGG--TTRRCC000055--EENN 
© American Standard Inc. 1999
Vapor-Compression refrigeration 
Expansion 
device 
condenser 
compressor 
evaporator 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Refrigeration cycle 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Refrigeration 
System Components 
period one 
Compressor Types 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Refrigeration compressors 
Reciprocating 
(reciprocante, alternativo, de pistón) 
Scroll 
(rotativo) 
Helical-rotatory 
(Helicoidal-rotatorio, o de tornillo) 
Centrifugal 
(centrìfugo) 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Reciprocating compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Reciprocating compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Reciprocating compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Reciprocating compressor 
PMA: Punto 
muerto alto 
(superior) 
PMB: Punto 
muerto bajo 
(inferior) 
Ve: Espacio 
muerto 
CARRERA: 
Distancia entre el 
PMA y el PMB 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Reciprocating compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Scroll compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Scroll compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Scroll compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Scroll compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Scroll compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Helical-rotatory (screw) compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Helical-rotatory (screw) compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Helical-rotatory (screw) compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Helical-rotatory (screw) compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Helical-rotatory (screw) compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Helical-rotatory (screw) compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Centrifugal compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Centrifugal compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Centrifugal compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Centrifugal compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Open compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Hermetic compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Hermetic compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
RISR (Resistance 
Instance Induction 
Run) 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Semihermetic compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Semihermetic compressor 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Condenser unit 
(Unidad condensadora) 
Condensador 
Recipiente de Compresor 
líquido 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Refrigeration compressors 
period two 
Compressor capacity control 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Methods of compressor unloading 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Cylinder unloaders 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Cylinder unloaders 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Capacity versus suction temperature 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Compressor unloading 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Alternating cylinders On and Off 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Cycling On and Off 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Cycling scroll compressors 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Cycling scroll compressors 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Slide valve 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Slide valve 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Inlet vanes 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Inlet vanes 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Variable speed 
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN
Air Conditioning Clinic © American Standard Inc. 1999 TTRRGG--TTRRCC000055--EENN

6 compressors