Furnace
This part of a gas line helps to catch debris and moisture.
What is a drip leg.
This component creates a pressure drop in the system.
what is a metering device
R in the low voltage wiring represents this
What is 24v L1/Power
This prevents oxidation while brazing.
What is flowing Nitrogen.
This represents the equation to calculate subcooling.
What is SCT - LLT.
This will represent the units of measurement for gas pressure.
What are InWC
This component moves the refrigerant through the system.
What is the compressor
The G low voltage control string represents this
What is L1 control string for the Indoor Fan
SLT - SST is the equation used to calculate this
What is Suction Superheat
The total percentage that you can add to a recovery tank's capacity.
What is 80%
A furnace comes from the factory set up for this type of fuel.
What is natural gas
This scientific law states heat migrates to cold.
What is 2nd law Of Thermodynamics
The Y low voltage control string represents this.
What is the L1 control string for the compressor and outdoor fan motor.
This is the correct way to wire a drain line safety switch.
What is in series with 24v L1/power
This is the proper charging method when a system utilizes a TXV.
What is subcooling.
The nominal manifold outlet pressure on a gas valve utilizing natural gas.
What is 3.5 InWC
Superheat is the measurement of how much liquid is in this.
What is the evaporator.
The 24v wire L2 on a conventional split system runs from the furnace to what two components?
What are the thermostat and condenser.
This is the amount of heat required to raise 1 LB of water 1 degree.
What is 1 BTU
When checking airflow, the Anemometer will display what unit of measurements?
What is Feet Per Minute (FPM).
This type of pipe is used to flue an 80% gas furnace.
What is B-Vent
These are the four components of the refrigeration cycle
What are the compressor, condenser coil, metering device and evaporator coil
The O/B low voltage control string represents this.
What is the L1 control string for the reversing valve.
FPM x .75 x SqIn (return grille) / 144 represents what method for determining CFM?
What is the Traverse Method.
This is an acceptable micron level when pulling a system evacuation after 7 minutes of decay time.
What is 500-1000