Lennox Industries Inc.

Robertshaw Controls Company

Maple Chase Company

Timothy E Wallaert

Timothy H Thorson

Robert Burt

Nicholas Ashworth

John Gilman Chapman, Jr

Thomas Gerard Pavlak

Wojciech Grohman

Darko Hadzidedic

Amanda Filbeck

Muhammad Ali Mirza

Jacob Jennings

Ammar Kailani

Suresh Kumar Devineni

Joe R Powell

Bobby DiFulgentiz

Kevin Ernest Noesner

Matthew F Pine

Thomas Gerald Pavlak

Muhammad Al Mirza

Joseph P Rao

An HVAC controller includes (1) an interface coupled to an air quality sensor proximate to the premises and coupled to a data source external to the HVAC system, the interface configured to receive environmental data from both the air quality sensor and the external data source and (2) a processor configured to automatically operate a demand unit of the HVAC system based on the environmental data.

Control techniques in a heating, ventilation and air conditioning network based on environmental data

The disclosure provides an HVAC data processing and communication network. In an embodiment, the network includes a first zone and a second zone. The first zone has a first demand unit and a first subnet controller configured to control an operation of the first demand unit via a data bus. The second zone has a second demand unit and a second subnet controller configured to control an operation of the second demand unit via the data bus. The second subnet controller is further configured to communicate with the first subnet controller via the data bus.

System and method for zoning a distributed-architecture heating, ventilation and air conditioning network

The disclosure provides an HVAC data processing and communication network. In an embodiment, the network includes a user interface, a first subnet controller and a second subnet controller. The first subnet controller is configured to operate with a first zone of the network with a first program schedule. The second subnet controller is configured to operate with a second zone of the network with a second program schedule. The second subnet controller is further configured to override the first and second schedules to operate the first and the second zones according to hold settings received from the user interface.

System and method for zoning a distributed architecture heating, ventilation and air conditioning network

A system controller of a heating, ventilation and air-conditioning system is configured to control the operation of a demand unit to maintain a comfort characteristic setpoint of a conditioned space. The controller includes a setback calculation module that is configured to calculate a setback value of the setpoint as a function of a recovery time from the setback value to the setpoint.

Time-based setback recovery

The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The home screen has a single icon that gives a user an indication that there is at least one alert present in the dashboard.

System and method of use for a user interface dashboard of a heating, ventilation and air conditioning network

A display apparatus for a control unit in an environmental control system; the display apparatus including: a display area presenting a plurality of first loci, a plurality of second loci and at least one third locus; each respective first locus of the plurality of first loci being responsive to pressure for effecting a respective response; each respective second locus of the plurality of second loci presenting information using a fixed segment data format; at least one third locus of the at least one third locus presenting information using a dot matrix data format; at least some of the loci cooperating to form a tabbed user interface.

Display apparatus and method having tabbed user interface for an environmental control system

A heating, ventilation and air-conditioning system includes a system controller configured to control the operation of a demand unit to maintain an environmental set point of a control zone. The system controller is further configured to control the demand unit in response to a location signal received from a location-reporting device.

Method for detecting physical presence of a specific individual to control HVAC settings

A display apparatus for a control unit in an environmental control system; the display apparatus including: a display area presenting a plurality of first loci, a plurality of second loci and at least one third locus; each respective first locus of the plurality of first loci being responsive to pressure for effecting a respective response; each respective second locus of the plurality of second loci presenting information using a fixed segment data format; at least one third locus of the at least one third locus presenting information using a dot matrix data format, the display apparatus configured to allow a display of parameters to be toggled.

Display apparatus and method having parameter display toggle capability for an environmental control system

The disclosure includes an HVAC data processing and communication network, and a method of manufacturing the same. In one embodiment the HVAC data processing and communication network includes a system device and a user interface. The system device is configured to store alarm data in local memory in response to an alarm event. The user interface is configured to send an alarm request message to the system device, and to receive an alarm reporting message including alarm data from the system device via a data bus.

Alarm and diagnostics system and method for a distributed-architecture heating, ventilation and air conditioning network

A display apparatus for a control unit in an environmental control system; the display apparatus including: a display area presenting a plurality of first loci, a plurality of second loci and at least one third locus; each respective first locus of the plurality of first loci being responsive to pressure for effecting a respective response; each respective second locus of the plurality of second loci presenting information using a fixed segment data format; at least one third locus of the at least one third locus presenting information using a dot matrix data format; the display apparatus configured to allow textual system status messages to be displayed.

Display apparatus and method having textual system status message display capability for an enviromental control system

One aspect provides of this disclosure provides a flush wall mounting system for an electronic controller. This embodiment comprises a housing for receiving electrical components therein and having a front panel and a back panel coupled to the front panel. The back panel has a raised portion extending therefrom. This aspect further includes a mounting plate removably couplable to the back panel of the housing and has front and back sides. The front side includes a flange around a perimeter thereof and has a recess formed therein configured to receive the raised portion of the back panel therein. The recess forms a raised portion extending from the back side and configured to be receivable within an opening in a wall. A method for manufacturing the mounting system is also provided.

Flush wall mount thermostat and in-set mounting plate for a heating, ventilation and air conditioning system

The disclosure provides an HVAC data processing and communication network. In various embodiments of systems and methods including a bus, a compressor is coupled to the bus, and a subnet controller is coupled to the bus. The subnet controller disables the compressor when acting upon a dehumidification command.

General control techniques in a heating, ventilation and air conditioning network

The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The indoor humidity tab can further be used to set current indoor humidity setpoints.

The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a subnet controller, a system device and a gateway. The controller is configured to publish control messages over a data bus. The system device is configured to receive the messages and to provide an HVAC service in response to the messages. A gateway is configured to provide access by a remote user to the network. The access includes operating the network to generate diagnostic data and retrieving the diagnostic data via the gateway.

Alarm and diagnostics system and method for a distributed architecture heating, ventilation and conditioning network

The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a duct, a blower and a controller. The blower is configured to receive a control message from a data bus. The duct is configured to direct air flow from the blower. The controller is configured to publish the control message to the data bus. The controller thereby commands the blower to provide air to the duct at an initial volume rate and to increase the volume rate until the controller detects onset of a cutback mode of the blower.

Growing community of inventors

Wylie, TX, United States of America

Timothy E Wallaert