When diagnosing the control circuit at the thermostat subbase, between which two terminals would a jumper wire be placed to check the heating circuit?
A) R and G
B) R and W
C) R and Y
D) G and Y

Question

Quizplus · Accepted Answer

A jumper wire should be placed between the R and W terminals to check the heating circuit. This will bypass the thermostat and send a signal to the heating system to turn on.

When Diagnosing the Control Circuit at the Thermostat Subbase, Between