Order of Operations
Components
Miscellaneous
Refrigeration Cycle
Random Stuff
100
What starts the cooling cycle?
Thermostat or the Thermostat calling for cooling.
100
What component moves air across the evaporator coil?
Blower motor
100
How many lines are there in an air conditioning system?
2
100
What state is refrigerant leaving the evaporator?
Low-pressure vapor
100
🤣Which line is the suction line?
Bottom line or larger line
200
What happens next when you call for cooling on the thermostat?
Indoor fan pulls warm air from the room.
200
What component compresses refrigerant?
Compressor
200
Which line carries vapor?
The suction line
200
What state is refrigerant leaving the compressor?
High-pressure vapor
200
What is my Favorite band?
Iron Maiden
300
When an air conditioning system pick ups warm air, what happens next in the air conditioning cycle?
The warm air passes over the cool coils of the evaporator and the heat is absorbed, leaving cool air.
300
What coil absorbs heat from inside the home?
Evaporator coil.
300
What is the name of the line that carries liquid refrigerant?
Liquid Line
300
Where does refrigerant change from vapor to liquid?
Condenser coil
300
What Sport was i in throughout middle school and highschool?
Boxing
400
What happens to the air after it goes over the evaporator coils and becomes cool air?
The fan blows the air back into the living space.
400
What component rejects heat outdoors?
Condenser Coil
400
What does the contactor coil require to energize?
24V signal
400
What device meters refrigerant into the evaporator?
TXV or metering device.
400
What is an example of a metering device?
TXV
500
What happens to the heat that was absorbed from the air by the evaporator coils?
The absorbed heat moves through the refrigerant lines to the outdoor unit and is released outside when it passes over the condenser coil.
500
What is this called?
Condenser or condenser unit.
500
What is the number one thing that goes wrong with air conditioning system?
The compacitor
500
What happens to pressure when refrigerant passes through the metering device?
Pressure drops
500
what does HVAC-R stand for?
HEATING VENTILATION AIR CONDITIONING REFRIGERATION