An auxiliary drain pan under the unit is recommended when the evaporator is installed ____.
A) near a dry well
B) at the end of the house
C) above the conditioned space
D) next to a driveway or patio

Question

Quizplus · Accepted Answer

When the evaporator is installed above the conditioned space, there is potential for water damage to the ceiling below in case of a condensate drain backup or other malfunction. So, an auxiliary drain pan is recommended in such cases. The other options listed do not justify the need for an auxiliary drain pan.

An Auxiliary Drain Pan Under the Unit Is Recommended When