Patent ReferencesHeat pump system defrost control Microcomputer control for heat pump system Multiple source heat pump Automatic fault diagnostic apparatus for a heat pump air conditioning system Air conditioning control method Airconditioner with timer controlled compressor bypass Heat pump refrigerant charge control system Residential heating, cooling and energy management system Single-sensor head pump defrost control system Electronic thermostat with selectable mode to control heating only, cooling only or both heating and cooling Patent #: 4683939 InventorsAssigneeApplicationNo. 06/942733 filed on 12/17/1986US Classes:700/278, Specific thermally responsive controller62/155, Including time or program actuator62/156By temperatureExaminersPrimary: Lall, Parshotam S.Assistant: Ramirez, Ellis B. Attorney, Agent or FirmInternational ClassG05D 23/19 (20060101)AbstractAn outdoor coil temperature detection scheme in a heat pump system effective for developing outdoor ambient temperature indications from outdoor coil temperature data, for use in heat pump control. | |