Exam (elaborations)
HVAC 101-Heating Fundamentals and Answers for Final Exam Questions And Answers
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What is an SSU and what does it do? - ans-It is a unit located on the side of the first which receives power (120 volts) before anything located within the furnace itself. It primarily consists of a switch and a fuse, and it is what allows for power to flow to the door switch. Opening the swit...
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