| 3 Phase |
| 4 way reversing valve |
| AB |
| Absolute Zero |
| AC |
| access valves |
| accessories |
| accumulator |
| Accurator |
| Add On Heat Pump |
| adiabatic |
| AEV |
| AFUE |
| AHU |
| air (components of) |
| Air Conditioning |
| air (conditions of) |
| air filtration |
| alkylbenzene oil |
| All Electric Heat Pump |
| Alternating Current |
| amperage, also |
| Annual Fuel Utilization Efficiency |
| anti-short-cycling device |
| anticipation |
| ASHRAE |
| atom |
| Automatic Expansion Valve |
| Azeotrope |
| Back Seated |
| Balance Point |
| barometer |
| bi-metal disk |
| Bourdon |
| Boyle's Law |
| British Thermal Unit |
| BTU |
| bull headed tee |
| burn outs |
| capacitor |
| Capacitor Start Capacitor Run Motor |
| Capacitor Start Induction Run Motor |
| capillary line |
| Celsius |
| centrifugal compressor |
| ceramic capacitor |
| charging |
| Charle's Law |
| check valve |
| Close Coupled |
| Class 1 conversion |
| Class 2 conversion |
| coalescing oil separators |
| compressors |
| compressor driver |
| Compressor Efficiency Test |
| condensate line |
| condensate pan |
| Condenser Dampers |
| condensing medium |
| Condensing Unit |
| conduction (electrical) |
| conduction (thermal) |
| conductor (thermal) |
| controls |
| Constant Cut In Control |
| convection |
| cooling anticipation |
| cooling load |
| cooling tower
|
| COP, also |
| Coulomb |
| CPRV |
| cracked |
| crankcase heater |
| CSIR |
| CSCR |
| current relay |
| cut in |
| cut out |
| Daulton's Law |
| DC |
| Defrost Termination Thermostat |
| design temperature |
| Dew Point |
| Defrost Termination Stat |
| dielectric |
| Direct Current |
| Discharge Service Valve |
| discharge temperature |
| distributor |
| drop in replacement |
| DSV |
| EER |
| EEV |
| electric defrost |
| Electro-Magnetism |
| electrolytic capacitor |
| Electromotive Force |
| Electronic Expansion Valve |
| EMF |
| energy |
| Energy Efficiency Ratio |
| enthalpy |
| enthalpy controls |
| entropy |
| EPRV |
| evacuation, also |
| Evaporative Condenser
|
| Fahrenheit |
| fan cycling |
| Fan Delay Thermostat |
| fan rotation |
| fan speed controller |
| filters (air) |
| filters (refrigerant), also, also |
| Fixed orifice |
| flash gas |
| flammability |
| Fresh Air |
| Free Cooling |
| front seated |
| gases |
| Gas Laws |
| gauge |
| gauge manifold set |
| Hand Operated Expansion Valve |
| hand valve |
| Head Pressure Control |
| heat |
| heat anticipation |
| Heat of Compression, also |
| Heat Pumps |
| Heating Seasonal Performance Factor |
| helical oil separators |
| HEPA |
| hermetic compressor |
| Hertz |
| High Side Float |
| High Side Restriction |
| holding circuit |
| Hop Scotch Method (troubleshooting) |
| Hot Gas Bypass Regulator, also |
| hot gas defrost |
| Hot Wire Relay |
| HSPF |
| hygroscopic |
| hydrostatic pressure |
| human comfort zone |
| humidity |
| impedance |
| impingement oil separators |
| incremental unit |
| insulation (electrical) |
| insulation (thermal) |
| Kelvin |
| King Valve |
| Latent Heat, also |
| ladder schematic |
| lead-lag |
| Line Tap Valve |
| liquid/vapour interface |
| Liquid Line Filter/Drier |
| Liquid Line Solenoid Valve |
| liquid slugging
|
| LLSV |
| lock out circuit |
| Locked Rotor Amperage |
| Low Side Float |
| low voltage controls |
| LRA |
| magnetism |
| MAT |
| Mechanical Cooling |
| MegOhm |
| Mercury |
| mercury bulb thermostat |
| Metering Device, also |
| MFD |
| micron |
| micron gauge |
| Mid Seated |
| migration |
| mineral oil |
| Minimum Fresh Air |
| Mixed Air |
| MO |
| molecule |
| Mollier Charts |
| motor theory |
| motor types |
| muffler |
| multiple stages |
| Non-Recycling Pump Down |
| OAT |
| ODS |
| ODS conversions |
| OEM |
| off cycle defrost, also |
| Ohm, also |
| Ohm's Law |
| oil failure controls |
| oil separator |
| oil slugging |
| open compressor |
| ORD |
| ORI |
| OROA |
| Ozone Depleting Substance |
| Packaged Systems |
| PAG |
| Parallel Drop |
| Permanent Split Capacitor Motor |
| phosgene |
| piping |
| POE |
| polyalkylglycol oil |
| polyolester oil |
| potential relay |
| pressure |
| pressure control |
| Pressure-Enthalpy Diagrams |
| Pressure Temperature Relationship |
| PSC |
| PSIG |
| Psychometrics |
| P-Trap |
| PTC |
| PT Charts |
| PTCR |
| pump down, also |
| Radiation |
| Rankine |
| receiver |
| reciprocating compressor |
| reclaim |
| recover |
| recycle |
| refractometer |
| refrigerant leaks |
| refrigerant oils |
| refrigerants |
| Refrigerant Side Head Pressure Control |
| Refrigeration (definition of) |
| Refrigeration loop |
| relay |
| resistance |
| retrofitting ODS |
| reuse |
| reverce cycle defrost |
| rotary compressor |
| rotor also |
| run capacitor |
| running burn out |
| safety |
| safety controls |
| saturated conditions |
| Schraeder Valve |
| screw compressor |
| scroll compressor |
| Seasonal Energy Efficiency Ratio |
| Secondary Refrigerant |
| SEER |
| semi-hermetic compressor |
| Sensible Heat |
| Service Valves |
| set back |
| Shaded Pole Motor |
| short cycling |
| sight glass |
| Specific Heat |
| Split Phase Motors |
| Split Systems |
| Squirrel Cage |
| Start Capacitor |
| stator also |
| Subcooling, also |
| Suction Cut-Off |
| suction filter |
| suction/liquid heat exchanger |
| Suction Service Valve, also |
| Superheat, also |
| SSV, also |
| tackifed |
| Temperature |
| TEV, also |
| TD (Temperature Difference) |
| Thermal Starting Relays |
| Thermostatic Expansion Valve, also |
| thermostat - low voltage |
| three phase motors |
| time delay fuses |
| time delay relays |
| Ton |
| toxicity |
| transformer |
| troubleshooting |
| TXV, also |
| unloader |
| vacuum |
| vibration absorber |
| vibration loop |
| voltage, also |
| wall mounted thermostats |
| water cooled condensers |
| water cooled system |
| water regulator valve |
| Zeotrope |
