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This patent covers a smart controller that coordinates ventilation systems with existing heating and cooling equipment in buildings. The controller automatically manages fresh air intake to prevent conflicts between different HVAC components, ensuring optimal performance and preventing equipment damage. The technology includes a compact ventilation unit that can be easily added to existing systems without major modifications.
This patent describes a secondary controller technology that enables intelligent coordination between primary HVAC systems and secondary ventilation devices. The secondary controller monitors control signals from existing HVAC systems and automatically manages outdoor air ventilation equipment to prevent conflicts and optimize performance. The system can detect when primary heating or cooling equipment is operating and either shut down or reduce the capacity of secondary ventilation devices accordingly. The technology also includes an integrated outdoor air cooling and ventilation apparatus housed in a single compact cabinet. This system can supply fresh outdoor air to indoor spaces without introducing cold air directly into furnaces or heat exchangers, preventing potential damage from thermal shock or excessive condensation. The integrated design allows for easy retrofitting to existing HVAC systems without requiring modifications to the primary system controls, making it compatible with multiple brands and models of heating and cooling equipment.
Secondary controller that detects primary HVAC control signals and coordinates secondary ventilation device operation to prevent conflicts
System that prevents secondary devices from operating when primary heating/cooling equipment is active
or reduces their capacity during primary operation
Integrated ventilation apparatus with single housing containing outdoor air inlet
dampers
fan
and conditioned air mixing capabilities
Controller that enables outdoor air supply without introducing cold air directly into furnace heat exchangers
View the detailed presentation for this patent.
System that accommodates multiple return air ducts and works with various HVAC brands without requiring primary system modifications
Compact ventilation unit with accessible filter and rotatable cabinet design for flexible installation
Method for mixing outdoor air with conditioned air downstream of primary HVAC equipment while maintaining system coordination
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