[caption id="attachment_5183" align="alignleft" width="210"] How Water Unit Heater in a mechanical room[/caption] Unit Heater Mechanical Room Equipment Protection - Mechanical rooms have very important equipment that needs to be protected. Often mechanical rooms are not conditioned and subject to outside temperatures and freezing conditions that can freeze piping inside the mechanical. For that reason mechanical rooms often have unit heaters located there to protect piping and other things that cannot be frozen or subject to freezing conditions. The components and sequence of operation are fairly simple. The main components in a hot water unit heater include a fan, a valve, and of course the piping and coils along with the cabinet. (more…)
Commercial HVAC category offers detailed information about Commercial HVAC systems.