Click and Take the 20 Question Maintenance Man HVAC Quiz

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?

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

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

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

How does a heat pump HVAC unit heat an apartment?

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?

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

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

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

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 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?

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

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

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

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?

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

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