RSES CMS Heat Pumps Practice Questions - RSES CMS Heat Pump Specialist Exam

During the defrost cycle of an air-to-air heat pump, what happens to the outdoor fan motor?

It runs at high speed to remove frost faster It is stopped so the outdoor coil can warm up It reverses rotation to blow warm air over the coil It cycles on and off every few seconds

Correct Answer:

It is stopped so the outdoor coil can warm up

Access more questions from this quiz

Continue to RSES CMS Heat Pumps Practice Questions - RSES CMS Heat Pump Specialist Exam for more practice questions and the full quiz experience.

Access More Questions