Click and Take the 20 Question Maintenance Man HVAC Quiz

How does a heat pump HVAC unit heat an apartment?

If you see a TXV inside an air handler, what temperature readings on the gauges are used to correctly charge that AC unit?

What does a dirty clogged air filter cause?

If the thermostat is blank with no power, you should:

If you pull the cover off of a live HVAC thermostat and touch your volt meter leads to the red and common wires, how many volts should you read?

What tool measures wet and dry bulb temperatures to get a target superheat?

If your suction line is 54 degrees and the saturation temperature on your blue suction pressure gauge is at 40, what's your superheat?

What are the 3 terminals called on a standard compressor?

If the liquid line is 87 degrees and the saturation on your red head pressure gauge is at 105 degrees, what's the subcool?

On a new HVAC system, what wires are usually separated by the float switch?

What does S.E.E.R. stand for?

If a fire damper malfunctions and closes inside the plenum above the air handler, what will happen?

What is the person called who installs capacitors still in the box and unmounted?

Are the low 24 volts on an AC contactor on the side terminals or the top and bottom terminals?

On a heat pump HVAC unit, if the thermostat is set to cool but the suction line is hot, what could be stuck?

If you see a piston inside an air handler, what temperature reading on the gauges should you use to correctly charge that AC unit with refrigerant?

What should the suction line going into the compressor be when in cooling mode?

When you see this Model Number SSZ140241AM on a standard Goodman, what tonnage is the unit?

On a 40/5 capacitor, the fan should have how many microfarads?

On a new heat pump HVAC unit, what 24 volt low voltage wires have to have power for it to cool correctly?