Patent ID: 7579956
Filing Date: 2009-08-25
Classification: F24F,G08B,Y02B,Y10T

Abstract:
1. A method of controlling an appliance having a source of combustion during a hazardous condition, comprising the steps of: receiving a carbon monoxide (CO) warning signal; disabling the source of combustion of the appliance; wherein the step of receiving the carbon monoxide (CO) warning signal comprises the step of receiving by a thermostat the carbon monoxide (CO) warning signal transmitted by a hazardous condition detector, and wherein the step of disabling the source of combustion of the appliance comprises the step of transmitting by the thermostat an appliance control signal to an electronic controller of the appliance commanding the electronic controller of the appliance to extinguish any source of combustion of the appliance; energizing a ventilation system to provide fresh air; and wherein the step of energizing the ventilation system comprises the steps of: monitoring an external temperature; and enabling operation of the ventilation system when the external temperature is above a first predetermined set point.