Hvacr
Basic refrigeration cycle
Troubleshooting
Types of metering valves
Leak Checking
100
First letter in Hvacr stands for
What is heating
100

First place the High Temp/High Pressure Vapor hits

What is the condenser coil

100
Dirty filters cause this
What is low airflow
100
used on small appliances
What is capillary tubes
100

The simplest leak check method  

What is Soap and Bubbles

200
The v in Hvacr stands for
What is ventalation
200
Coil responsible for rejecting the heat
What is the condenser coil
200
System low on gas would be showing this
What is high superheat
200
Typically found in heat pump residential units
What is a thermal expansion valve.
200

The pressure needed for a leak check

What is150-300 psig

300
The Ac in Hvacr stands for
What is air conditioning
300
Coil that absorbs the heat
What is evaporator coil
300
System with fan motor bad on condenser unit would show this
What is high head pressure
300
Old technolgy found in most older residential homes
What is fixed orfice
300
The amount of refrigerant to use for a trace

What is 10 psig

400
The r is hvacr stands for
What is refrigeration
400
Part responsible for moving the refrigerant in the system
What is the compressor
400
way to tell your compressor windings are open
What is ohm value.
400

Found in modern high efficiency units  

What is a electronic expansion valve (EEV)

400
The length of time to leave a large system when pressurized   

What is overnight

500
Say it all together now
What is heating ventalation air conditioning and refrigeration
500

Part responsible for pressure drop in a unit

What is the Metering Device.

500
Checking suction line temp and suction pressure converted
What is superheat
500
Found on large centrifigual chillers
What is fixed drop leg orfice
500
The level of vacuum to pull when doing a leak search

What is 500 Microns

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