Controls are an essential part of any electrical appliance or device. They can energize or de-energize electrical components that work together to provide heat to the conditioned space. Technicians will encounter both old and new components and must therefore understand the functions of both.
The following ten questions will test your knowledge:
Questions taken from Gas Heating, by Jason Obrzut, CMHE, copyright ESCO Institute, Mount Prospect, IL, 60056. www.escogroup.org / 800-726-9696. Used by permission.