HVAC Controls or Controllers Including Alphanumeric Displays and Push Buttons

• US 20130345881A1
• Filed: 06/28/2012
• Published: 12/26/2013
• Est. Priority Date: 06/20/2012
• Status: Active Grant

• Current Assignee: Copeland Comfort Control LP (Emerson Electric Company)
• Original Assignee: Emerson Electric Company
• Inventors: Leise, William C., Broker, John F., Jaeschke, Horst E., Lorenz, Thomas B., Pawar, Harshal M.
• Granted Patent: US 9,037,303 B2
• Time in Patent Office: Days
• US Class Current: 700/276
• CPC Class Codes: F24F 1/00 Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
• CPC Class Codes: F24F 11/30 for purposes related to the operation of the system, e.g. for safety or monitoring
• CPC Class Codes: F24F 11/52 Indication arrangements, e.g. displays
• CPC Class Codes: F24F 11/88 Electrical aspects, e.g. circuits
• CPC Class Codes: F24F 2120/20 Feedback from users

Abstract

Exemplary embodiments are disclosed of a control for an HVAC system. The control has an alphanumeric display, a plurality of two position switches (e.g., push buttons, etc.), and a processor. The processor receives a current user input through at least one of the two position switches and determines a response to the current user input. The determining is performed using one or more previously received user inputs, if any, via one or more of the two position switches. The processor implements the determined response by displaying a message on the alphanumeric display and/or changing an operational parameter of the HVAC system.

Claims

1. A control for a heating, ventilation, and/or air conditioning system, the control comprising:

an alphanumeric display;

a plurality of two position switches; and

a processor configured to;

receive a current user input through at least one of the two position switches;

determine a response to the current user input using one or more previously received user inputs, if any, via one or more of the two position switches; and

implement the determined response, display a message on the alphanumeric display, and/or change an operational parameter of the heating, ventilation, and/or air conditioning system.

2. The control of claim 1, wherein the alphanumeric display is operable for displaying at least one previous fault in the heating, ventilation, and/or air conditioning system.

3. The control of claim 1, wherein the alphanumeric display comprises a multiple-segment display.

4. The control of claim 1, wherein the alphanumeric display comprises three seven-segment light-emitting diode (LED) displays.

5. The control of claim 1, wherein:

the plurality of two position switches comprises a plurality of push buttons; and

the processor is configured to determine a response to the current user input by determining a length of time over which a signal is received from one of the push buttons, and/or by determining a number of times a signal is received from one of the push buttons.

6. The control of claim 1, wherein:

the plurality of two position switches comprises a menu key and an option key; and

the processor is configured to determine a response to the current user input based on a sequence of signals from the menu key and option key.

7. The control of claim 1, wherein:

the alphanumeric display, push buttons, and processor are configured to be usable for changing one or more operational parameters of the heating, ventilation, and/or air conditioning system, including at least one or more of a cooling off delay, outdoor tonnage, cubic feet per minute (CFM) per ton, heat off delay, inter-stage delay, and/or gas heating CFM; and

/or

the control is configured such that the alphanumeric display is operable for displaying at least one or more of a current mode of the heating, ventilation, and/or air conditioning system, a currently active fault in the heating, ventilation, and/or air conditioning system, and/or a current cubic feet per minute (CFM) of a currently running blower of the heating, ventilation, and/or air conditioning system.

8. The control of claim 1, wherein the control is configured such that an operational parameter of the heating, ventilation, and/or air conditioning system is changeable in accordance with a menu option displayed on the alphanumeric display.

9. The control of claim 1, wherein the plurality of two position switches comprises a plurality of push buttons.

10. A control for a heating, ventilation, and/or air conditioning system, the control comprising:

a plurality of multiple-segment light-emitting diode (LED) displays operable for displaying alphanumeric characters including fault codes; and

a plurality of two position switches;

the two position switches and multiple-segment LED displays configured to be usable for setting one or more values of one or more operational parameters of the control and for recalling fault codes for display by the multiple-segment LED displays.

11. The control of claim 10, wherein:

the plurality of multiple-segment light-emitting diode (LED) displays comprises at least three seven-segment light-emitting diode (LED) displays; and

/or

the plurality of two position switches comprises at least two momentary push buttons.

12. The control of claim 10, wherein:

the plurality of two position switches comprises a plurality of momentary push buttons configured to allow user selection of a parameter setting mode or fault recall mode by pressing one or more of the momentary push buttons; and

/or

the control is configured such that an operational parameter of the heating, ventilation, and/or air conditioning system is changeable in accordance with a menu option displayed on the multiple-segment LED displays.

13. The control of claim 10, further comprising a processor configured to receive a current user input through at least one of the two position switches, the processor further configured to determine a response to the current user input, by using one or more previously received user inputs, if any, via one or more of the two position switches and to implement the determined response, display a message on the multiple-segment LED displays, and/or change an operational parameter of the heating, ventilation, and/or air conditioning system.

14. The control of claim 13, wherein:

the plurality of two position switches comprises a menu key and an option key; and

the processor is configured to determine a response to the current user input based on a sequence of signals from the menu key and option key.

15. The control of claim 10, wherein:

the two position switches and multiple-segment LED displays are configured to be usable for changing one or more operational parameters of the heating, ventilation, and/or air conditioning system, including at least one or more of a cooling off delay, outdoor tonnage, cubic feet per minute (CFM) per ton, heat off delay, inter-stage delay, and/or gas heating CFM; and

/or

the control is configured such that the multiple-segment LED displays are operable for displaying at least one or more of a current mode of the heating, ventilation, and/or air conditioning system, a currently active fault in the heating, ventilation, and/or air conditioning system, and/or a current cubic feet per minute (CFM) of a currently running blower of the heating, ventilation, and/or air conditioning system.

16. A method of controlling a heating, ventilation, and/or air conditioning system, the method performed by a processor of a control including an alphanumeric display and a plurality of two position switches, the method comprising:

receiving a current user input through at least one of the two position switches;

determining a response to the current user input, the determining performed using one or more user inputs, if any, previously received through one or more of the two position switches; and

implementing the determined response, displaying a message on the alphanumeric display, and/or changing an operational parameter of the heating, ventilation, and/or air conditioning system.

17. The method of claim 16, wherein the method includes displaying a message on the alphanumeric display including at least one or more of:

at least one previous fault in the heating, ventilation, and/or air conditioning system;

a current mode of the heating, ventilation, and/or air conditioning system;

a currently active fault in the heating, ventilation, and/or air conditioning system; and

/or

a current cubic feet per minute (CFM) of a currently running blower of the heating, ventilation, and/or air conditioning system.

18. The method of claim 16, wherein the method includes changing an operational parameter of the heating, ventilation, and/or air conditioning system including at least one or more of a cooling off delay, outdoor tonnage, CFM per ton, heat off delay, inter-stage delay, and/or gas heating CFM.

19. The method of claim 16, wherein:

the alphanumeric display comprises a multiple-segment display; and

/or

the alphanumeric display comprises three seven-segment light-emitting diode (LED) displays.

20. The method of claim 16, wherein:

the plurality of two position switches comprises at least two push buttons; and

determining a response to the current user input comprises;

determining a length of time over which a signal is received from one of the push buttons; and

/or

determining a number of times a signal is received from one of the push buttons.

21. The method of claim 16, wherein:

the plurality of two position switches comprises a menu key and an option key, and the method includes determining a response to the current user input based on a sequence of signals from the menu key and option key; and

/or

the method includes changing an operational parameter of the heating, ventilation, and/or air conditioning system in accordance with a menu option displayed on the alphanumeric display.