Patent ID: 6283851
Filing Date: 2001-09-04
Classification: F24F,Y02B

Abstract:
A system for controlling make-up air within a controlled building space comprising:a make-up air apparatus including a back-flow damper, a preheater, an air temperature sensor for monitoring the outside air temperature, a switch for activating the preheater in the event that the outside air temperature is below a predetermined level;a power supply for activating a motor of the apparatus for a blower to draw air into the building space, the motor speed being determined in response to exhaust air operation;a first sensor for sensing the operation of a first exhaust producing appliance within a building space;a controller for the apparatus; anda link for communicating a first signal to the controller indicating that the first appliance is activated, thus causing the controller to render the apparatus operational when the first appliance is activated.