This part of the system uses outdoor air to cool off refrigerant
What is Condenser?
This devices proves the inducer is running properly
What is a pressure switch?
Light sensitive device used to prove flame
What is Cad Cell eye?
A reading of 120V across the switch
What is an open switch?
This is the heart of the system (AC)
What is compressor
This is the minimum amount of vacuum necessary before charging system with refrigerant
What is 500 microns?
Device that shuts burners off if Furnace over heats
What is a High Limit switch?
This device allows fuel pump to spin with burner motor
What is coupling?
E=IR
What is Ohms Law?
Where are 2 pressure changes located?
What is Compressor and Metering Device
This is an inert gas (non-flammable) that is used to purge when brazing
What is Nitrogen?
This is the proper manifold pressure for Natural Gas
What is 3.5 inches water column
This device is used to convert a 1 pipe system to a 2 pipe system
What is Tiger Loop
What is oil deaerator
An induction load with 0.0 ohms
What is a short?
Where does refrigerant change state?
What is Evaporator and Condenser Coil
Liquid Line measured at 90 degrees.
Condensing Temp measured at 85 degrees.
What is my subcooling?
What is 0 degrees Subcool?
OR
What is negative Subcool?
This causes rollouts
What is a cracked heat exchanger OR
What is a blocked/plugged heat exchanger OR
What is Overfiring?
This Delavan nozzle delivers 91,000 BTU/H with a 45 degree solid spray
What is a .65 GPH 45°B
What does your Volt Meter measure?
What is Potential Difference?
Where can you find superheated vapor?
What is Evaporator AND Discharge Line
This will result in High Subcooling and High Superheat.
What is a liquid line restriction?
What is Flame Rectification
Another term for perfect / theoretical combustion
What is stochiometric combustion?
Name a Resistive Load?
What is :
Heating Element
Crankcase Heater
HSI (Hot Surface Ignition)
Room Temp at 75 degrees
Suction Line Temp at 52 degrees
What is my superheat?
What is 12 degrees?