Author Question: When an evaporator float switch is used in the drain pan of an air conditioner or heat pump, if the ... (Read 47 times)

lidoalex · **on:** Jul 24, 2018

When an evaporator float switch is used in the drain pan of an air conditioner or heat pump, if the drain pan fills up, the float will interrupt the low-voltage circuit to:

A) The compressor contactor. B) The gas valve.
C) The fan relay. D) The condensate pump.

Question 2

After replacing a blown fuse in a unit disconnect, the technician should:

A) Check the system amp draw and compare it to the data plate rating.
B) Check the resistance of every system component.
C) Swap some wires around to see if it helps.
D) Check the frequency and phase angle of the voltage at the unit with the unit operating.