Author Question: When changing a low voltage transformer, service technician should: A) Use a replacement ... (Read 139 times)

anshika · **on:** Jul 26, 2018

When changing a low voltage transformer, service technician should:

A) Use a replacement transformer with a higher VA rating to make it last longer.
B) Temporarily short across the secondary side of the transformer to test its output.
C) Use a replacement transformer with a higher voltage primary winding to make it last longer.
D) Check all low voltage controls for shorts and grounds.

Question 2

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