Patent application number | Description | Published |
20090088901 | METHOD AND APPARATUS FOR CONFIGURING A COMMUNICATING ENVIRONMENTAL CONDITIONING NETWORK - A method for configuring a communicating environmental conditioning network having a plurality of environmental interactive units communicatingly coupled with a plurality of space interactive units, each respective space interactive unit presenting a conditioned output when engaged with a particular environmental interactive unit, includes: (a) turning on selected delivery elements associated with selected space interactive units; (b) establishing baseline data indicating conditioned outputs of the selected space interactive units; (c) engaging at least one respective space interactive unit with at least one respective environmental interactive unit; (d) waiting a predetermined time interval; (e) measuring a conditioned output associated with each the selected delivery element; and (f) selecting the respective selected space interactive unit associated with the largest change in the conditioned output as assigned to the respective environmental interactive unit. | 04-02-2009 |
20090127346 | METHOD AND SYSTEM FOR CONTROLLING A MODULATING AIR CONDITIONING SYSTEM - A method for effecting cooperation between a modulating air conditioning system and a two-stage thermostat for satisfying an air conditioning load demand in a conditioned space includes: (a) operating the thermostat in a plurality of succeeding operating cycles to issue a first call signal or a second call signal indicating a first or second stage operation by the air conditioning system; the first and second stage operation being effected according to a first operating regimen to satisfy the air conditioning load demand; (b) operating the air conditioning system in response to the first and second call signals; the air conditioning system operating at a first power level when receiving the first call signal and operating at a predetermined second power level when receiving the second call signal; the first power level being established by the air conditioning system according a second operating regimen. | 05-21-2009 |
20100004787 | METHOD AND APPARATUS FOR CONFIGURING A COMMUNICATING ENVIRONMENTAL CONDITIONING NETWORK - A method for configuring a communicating environmental conditioning network, an apparatus for such configuring and a method for configuring a communicating air conditioning network are disclosed. In one embodiment, the method for configuring a communicating environmental conditioning network includes: (1) establishing baseline data indicating conditioned outputs of selected space interactive units of the plurality of space interactive units, (2) activating a respective environmental interactive unit of the plurality of environmental interactive units and (3) assigning to the respective environmental interactive unit a respective selected space interactive unit associated with the largest change in a conditioned output. | 01-07-2010 |
20100011437 | APPARATUS AND METHOD FOR STORING EVENT INFORMATION FOR AN HVAC SYSTEM - An apparatus for storing event information relating to operation of an HVAC system includes: (a) at least one memory controller coupled with the HVAC system for receiving the event information; and (b) at least one memory unit coupled with the at least one memory controller. A first memory unit of the at least one memory unit is configured for receiving first selected information of the event information for accessing by at least one of a first party and a second party. A second memory unit of the at least one memory unit is configured for receiving second selected information of the event information for accessing by the second party. | 01-14-2010 |
20100102948 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a system device and a user interface. The system device is configured to generate and locally store an alarm record in response to an alarm event. The system device is further configured to receive an alarm request message via a data bus. In response to receiving the alarm request message, the system device is configured to publish an alarm reporting message over the data bus. The user interface is configured to receive the alarm message and display an alert depending on a state of the flag. | 04-29-2010 |
20100102973 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - 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. | 04-29-2010 |
20100106307 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device and a subnet controller. The system device is coupled to a data bus and configured to locally store feature or parameter data related to an operation of the system device. The subnet controller is configured to publish a message via the data bus directing the device to publish a message including the feature or parameter data to the network. | 04-29-2010 |
20100106309 | GENERAL CONTROL TECHNIQUES IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - 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. | 04-29-2010 |
20100106310 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing an HVAC data processing and communication network. In one embodiment, the network includes a system device and a controller. The system device is configured to communicate over a data bus, and further configured to store tracking data related to the system device. The controller is configured to send a command message to the device via the data bus. The message is configured to instruct the device to publish the tracking data on the data bus via a reply message. | 04-29-2010 |
20100106312 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing an HVAC data processing and communication network. In one embodiment, the HVAC data processing and communication network includes: (1) a subnet controller configured to publish a control message to a data bus and (2) a system device configured to receive the control message and enter a diagnostic mode in response thereto, wherein the diagnostic mode includes publishing a diagnostic status message including a device parameter value to the data bus. | 04-29-2010 |
20100106313 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a subnet controller. The subnet controller is configured to assign to a first device associated with the network a first equipment type number based on a first device ID number and a first offset. The subnet controller is configured, in the event that the first device shares a same enclosure with a second device associated with the network, to assign to the second device a second equipment type number based on the first device ID number and a second offset. The subnet controller is configured, in the event that the first device does not share a same enclosure with the second device, to assign to the second device the second equipment type number based on a second device ID number and the second offset. | 04-29-2010 |
20100106314 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - Various embodiments of systems and methods of employing a first subnet controller in an HVAC network. The method comprises conveying a fixed parameter from a first networked device in the HVAC system to the first subnet controller, conveying a variable parameter from the first networked device in the HVAC system to the first subnet controller, and providing an option to a user to modify the variable parameter. | 04-29-2010 |
20100106315 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides various embodiments of systems and methods of generating a heartbeat in an HVAC system and networks. In an embodiment, a method includes a heartbeat message being sent by a first subnet controller upon the first subnet controller taking active control of a subnet of the HVAC network. The active heartbeat message timer is reset. Another heartbeat message is sent if a specified amount of time has elapsed since a previous heartbeat message was sent by said heartbeat generator. | 04-29-2010 |
20100106316 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. One embodiment of the network includes a subnet controller, a system device and a system status display. The subnet controller is configured to communicate via a data bus. The first system device is configured to communicate via a data bus. The system status display is associated with the first system device and configured to produce a visual signal when the first device detects an error or alarm condition. | 04-29-2010 |
20100106317 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a device to store a plurality of character strings. The device is further configured to associate a text ID with each of the character strings. The device is further configured to recall a predetermined character string in response to receiving a first message via the network including a predetermined text ID associated with the predetermined character string. The method includes further configuring the device to send via the network a second message including the predetermined character string. | 04-29-2010 |
20100106318 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides 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, a subnet controller and a user interface. The system device is configured to receive a control message from a data bus and operate according to a control setting communicated thereby. The system device is further configured to generate an alarm message in the event that the device enters an alarm state in response to an alarm condition. The user interface is configured to receive the alarm message and display alarm information in response to the message. The subnet controller is configured to provide operational control of the system device via the control message. The operational control is decoupled from the alarm message. | 04-29-2010 |
20100106319 | METHOD OF CONTROLLING EQUIPMENT IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a sensor and a local controller. The sensor is configured to detect a fault condition associated with operation of a demand unit. The local controller, associated with the demand unit, is configured to receive sensor data from the sensor and to communicate the sensor data over the network. A network controller is configured to receive the sensor data via the communication network and to generate an alert in the event that the sensor data indicates the fault condition. | 04-29-2010 |
20100106320 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - An HVAC data processing and communication network includes a subnet controller and at least one demand unit. A bus interface device associated with the demand unit is configured to receive a demand message from the subnet controller over the network. The bus interface device controls an operation of said demand unit in response to said demand message. | 04-29-2010 |
20100106322 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device and a subnet controller. The system device is adapted to provide a service and publish a message including a device status vector representing an availability of the system device to provide the service. The subnet controller is adapted to receive the message from the system device including the device status vector via a data bus. | 04-29-2010 |
20100106323 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - An HVAC data processing and communication network includes a first subnet and a second subnet. The first subnet includes a first demand unit, a first comfort sensor and a first subnet controller. The second subnet includes a second subnet comprising a second demand unit, a second comfort sensor and a second subnet controller. The second subnet controller is configured to control an operation of the first subnet. | 04-29-2010 |
20100106324 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device coupled to a data bus. The system device includes a functional block adapted to respond to a message received via the data bus. The system device is configured to thereby enter a disabled state in which the system device does not provide a service or broadcast messages via the data bus, but may continue to receive messages via the data bus. | 04-29-2010 |
20100106325 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a demand unit and a subnet controller. The demand unit is coupled to a data bus and configured to provide a primary service having a maximum service capacity. The subnet controller is configured to send a demand message to the demand unit via the data bus instructing the demand unit to provide a portion of the maximum. | 04-29-2010 |
20100106326 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment the network includes a subnet controller and at least one demand unit. A bus interface device associated with the demand unit is configured to receive a demand message from the subnet controller over the network. The bus interface device controls an operation of said demand unit in response to said demand message. | 04-29-2010 |
20100106327 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a first subnet controller and a system device. The first subnet controller is coupled to a data bus and configured to arbitrate with a second subnet controller for control of the subnet. The system device is configured to transition from a reset state to a first state that includes pre-startup tasks, and transition from the first state to a second state that includes waiting for the subnet controller to provide configuration parameters to the system device. | 04-29-2010 |
20100106329 | APPARATUS AND METHOD FOR CONTROLLING AN ENVIRONMENTAL CONDITIONING SYSTEM - An apparatus for controlling an environmental conditioning system serving an indoor space and having at least one environmental conditioning device coupled with a communication bus structure includes: (a) at least one user interface coupled with the communication bus structure for effecting access to the system by a user; and (b) at least one controller coupled with the communication bus structure for effecting operational control of the system. The at least one controller communicates on the communication bus structure with the at least one environmental conditioning device, the at least one user interface and any other devices coupled with the communication bus structure. The at least one user interface communicates on the communication bus structure with the at least one environmental conditioning device, the at least one controller and any other devices coupled with the communication bus structure. | 04-29-2010 |
20100106330 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In various embodiments, the network includes a subnet controller configured to control networked devices via a data bus. The subnet controller is configured to be addressable over the data bus. An environmental sensor is configured to provide environmental data to the subnet controller, and is further configured to be addressable over the data bus independent of addressing the subnet controller. A user interface is configured to provide access by an operator to the network. The user interface is further configured to be addressable over the data bus independently of addressing the subnet controller and the environmental sensor. | 04-29-2010 |
20100106333 | SYSTEM AND METHOD FOR ZONING A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the HVAC data processing and communication network includes at least one environmental sensor, at least one subnet and a subnet controller. The subnet controller is configured to discover the at least one environmental sensor, the at least one subnet and at least one damper controller. The subnet controller is further configured to set up the network for zoned operation in the event that at least two of the at least one environmental sensor are discovered. | 04-29-2010 |
20100106334 | 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. | 04-29-2010 |
20100106787 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, a system device configured for use in the network includes a physical layer interface and a communication module. The physical layer interface is configured to interface to a data bus. The communication module is configurable to send and receive messages over the data bus via the physical layer interface. The system device also includes a non-volatile memory configured to store configuration data. The messages include a first class of messages that address the system device using only a device designator of the device, and a second class of messages that address the system device using a message ID formed from a portion of the device designator and an offset. | 04-29-2010 |
20100106809 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - 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 first system device and a second system device. The first system device is configured to send and receive messages over a data bus. The second system device is configured to send configuration data associated with a configuration of the second system device to the first system device. The first system device is further configured to receive and persistently store the configuration data. | 04-29-2010 |
20100106810 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a first subnet controller and a first system device. A second subnet controller is configured to archive configuration data of the first subnet controller and the system device. | 04-29-2010 |
20100106814 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes configuring a first system device and a subnet controller. The first system device is configured to receive an initial value of a specified dependent parameter. The subnet controller is configured to determine that a value of said specified parameter has been changed to a modified value after said first system device receives said initial value. The subnet controller is further configured to send to said first system device, in response to said determining, a message updating said specified parameter with said modified value. | 04-29-2010 |
20100106815 | MEMORY RECOVERY SCHEME AND DATA STRUCTURE IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods for conveying information between a communicating first device and a second coupled device of a HVAC network. In various embodiments, the method comprises checking a subnet of the HVAC network for both communicating device and a non-communicating device by the communicating first device. The method also comprises determining whether the second coupled device in a non-communicating device. The method further comprises allowing an installer to set parameters of the non-communicating device through employment of a manifest list of features used by the non-communicating device that is accessible by the communicating device. | 04-29-2010 |
20100106925 | PROGRAMMING AND CONFIGURATION IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an a system and method of backing up operating control data about a device connected to a controller in a network. In an embodiment, the network includes a storage system for the data about the device is in the controller; a first subsystem for determining that the data should be transferred to the device; and a second subsystem for transferring the data to the device for use. | 04-29-2010 |
20100106957 | PROGRAMMING AND CONFIGURATION IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - Various embodiments of systems and methods of creating a memory of an HVAC device. A bootloader code is stored into a first protected memory of the HVAC device. A device designator is stored into a second protected memory of the HVAC device. A control serial number is stored into a third protected memory of the HVAC device. A control part number is stored into a fourth protected memory of the HVAC device. An application data is stored into a separate application memory of the HVAC device. | 04-29-2010 |
20100107007 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides a system and method of retrieving data for an active subnet controller of a subnet in an HVAC network. In an embodiment, a device on said subnet reports a loss of internal memory settings to said active subnet controller. The device is recognized by the active subnet controller. At least one list of parameters is requested from the device by the active subnet controller. An order of said at least one list of parameters is employed to convey corresponding stored values of these parameters from the active subnet controller to the coupled device. | 04-29-2010 |
20100107076 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes 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, wherein invoking the indoor humidity tab advances to a humidity screen which displays at least a current indoor humidity. The dashboard further includes an alerts tab, wherein invoking the alerts tab advances to an alerts screen. The dashboard still further includes a help tab, wherein invoking the help tab advances to a help screen that provides context sensitive help that presents at least one dialog box related to a function of a current screen. A programs tab and a home tab are also provided, and a subnet controller informs said dashboard to display a specific screen and instructs it how to fill in data. | 04-29-2010 |
20100107083 | MEMORY RECOVERY SCHEME AND DATA STRUCTURE IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods for updating a parameter in a device in an HVAC network. In various embodiments, a method comprises a sending by an interface device to the device: a) a parameter value change message, and b) a new value of an installer parameter. The method includes the device determining if the parameter update is within an allowed range, and updating the parameter in a memory of the device if the parameter update is within the allowed range. The method further includes the device sending the parameter to an interface device. The method still further includes relaying the parameter to an active subnet controller by the interface device. In further embodiments, the method determines whether a parameter definition is a changed parameter definition. If the definition is the changed parameter definition: a device definition parameter message is sent to the interface device from the device in the HVAC network. A device parameter value is also sent from the HVAC device for each parameter in a same group of parameters affected by the change of definition. | 04-29-2010 |
20100107232 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a user interface and a system device. The user interface is configured to publish a privilege request message to a data bus. The system device is configured to receive messages via the data bus and to store configuration data in nonvolatile memory. The system device is further configured to enable a privileged operating mode not normally available to a user of the network in response to the privilege request message. | 04-29-2010 |
20100115364 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a local controller. The local controller is configured to publish a first message to a data bus, and to detect a collision between the first message and a second message published to the data bus. The local controller is further configured to republish the first message in the event that the first message collides with a second message published to the data bus; a bit error results in response to publishing the message. | 05-06-2010 |
20100179696 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a user interface to receive a first parameter setting associated with a system device. The user interface is further configured to send a message to the system device including the first parameter setting. The user interface is further configured to receive from the system device a second parameter setting that is dependent on the first parameter setting. The user interface is further configured to make the second parameter setting available for viewing. | 07-15-2010 |
20110057046 | HEATING SYSTEM CONTROLLER, A HEATING SYSTEM AND A METHOD OF OPERATING A HEATING SYSTEM - A heating system, a method of operating a heating system and a controller for a heating system are disclosed herein. In one embodiment, the controller includes: (1) a system interface configured to receive thermostat calls from a thermostat, the thermostat calls including a heat pump thermostat call and an electrical heating elements thermostat call and (2) a processor coupled to the system interface and configured to select a starting heat load for the heating system based on the thermostat calls and a selected target discharge air temperature for the heating system. | 03-10-2011 |
20120046797 | PEAK LOAD OPTIMIZATION USING COMMUNICATING HVAC SYSTEMS - An HVAC system includes a first and a second electric motor. A load manager is coupled to the first electric motor. The load manager is configured to prevent the first electric motor from operating simultaneously with said second electric motor. | 02-23-2012 |
20120153725 | PRIORITY-BASED ENERGY MANAGEMENT - A system for controlling operation of a plurality of appliances includes first and second appliances. The first appliance is configured to report a power consumption via a network. A second appliance is configured to operate dependent on the power consumption reported by the first appliance. | 06-21-2012 |
20120158932 | COMMUNICATIONS SYSTEM, A HVAC SYSTEM EMPLOYING THE SAME AND A METHOD OF MANUFACTURING A COMPONENT FOR THE HVAC SYSTEM - A communications network, a HVAC system employing a communications system and a method of manufacturing a component for the HVAC system are disclosed. In one embodiment, the communications network includes: (1) a dominant node having a predetermined coupling impedance and (2) a plurality of end nodes coupled to the dominant node, each of the plurality having an end node coupling impedance, wherein a total of each the end node coupling impedance and the predetermined coupling impedance is substantially a defined maximum loading impedance for the communication network. | 06-21-2012 |
20140346237 | CONTROL TECHNIQUES IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK BASED ON ENVIRONMENTAL DATA - The disclosure provides embodiments of an HVAC controller. In one embodiment, the 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. | 11-27-2014 |
20140350734 | COMMUNICATIONS SYSTEM, A HVAC SYSTEM EMPLOYING THE SAME AND A METHOD OF MANUFACTURING A COMPONENT FOR THE HVAC SYSTEM - In one aspect, the disclosure provides an HVAC system. In one embodiment, the HVAC system includes: (1) an air handler configured to condition and circulate air for the HVAC system, and (2) an air handler controller for the HVAC system configured to control operation of the air handler, the air handler controller including interface circuitry having a predetermined coupling impedance and configured to couple the air handler controller to components of the HVAC system via a communications network of the HVAC system, wherein a total of the predetermined coupling impedance and an end node coupling impedance at each of the components is substantially a defined maximum loading impedance for the communications network and wherein the end node coupling impedance of one of said plurality of end nodes is determined based on said predetermined coupling impedance and end node coupling impedances of remaining ones of the plurality of end nodes. | 11-27-2014 |
20140354440 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC system, an HVAC user interface and an HVAC data processing and communication network. In one embodiment, the HVAC system includes: (1) an HVAC device configured to generate HVAC notification information pertaining to the HVAC system and (2) a user interface configured to communicate the HVAC notification information to at least one alert device located remote from the HVAC system. | 12-04-2014 |