SUB-SYSTEM OF ADDITIONAL HEATING FOR THE CLIMATE CONTROL SYSTEM OF THE VEHICLE AND THE METHOD OF SUPPORTING THE ADDITIONAL HEATING FOR THE CLIMATE CONTROL SYSTEM OF THE VEHICLE

摘要

A supplemental heating subsystem is provided for a vehicle climate control system including an air flow control door. The supplemental heating subsystem includes a controller configured to control the supplemental heating subsystem, a supplemental heating element responsive to the controller and an actuator for positioning the door responsive to the controller. In operation, the position of the door is controlled to improve the operating efficiency of the supplemental heating element.