IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0272504
(2008-11-17)
|
등록번호 |
US-8116911
(2012-02-14)
|
발명자
/ 주소 |
- Bailey, John J.
- Balderrama, Jose L.
- Douglas, Jonathan D
- Edens, John R.
- Marble, Alan D.
- Sapp, Gary L.
- Schaefer, Kristen L.
- Schneider, Brett R.
- Tice, Steven A.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
23 |
초록
▼
A system and a method are provided for powering up a heating, ventilation, and air conditioning (HVAC) system and operating a sump heater for a compressor for a first predetermined period of time in response to the HVAC system being powered up. A heating, ventilation, and air conditioning system and
A system and a method are provided for powering up a heating, ventilation, and air conditioning (HVAC) system and operating a sump heater for a compressor for a first predetermined period of time in response to the HVAC system being powered up. A heating, ventilation, and air conditioning system and a method for controlling the system are provided. The HVAC system includes a compressor, a sump heater associated with the compressor, and a controller configured to control the compressor and the sump heater so that the sump heater is not operated while the compressor is operated.
대표청구항
▼
1. A method of controlling a heating, ventilation, and air conditioning (HVAC) system, comprising: powering up the HVAC system;without respect to an ambient temperature, at least one of (1) operating a sump heater for a compressor for a first predetermined cumulative period of time in response to th
1. A method of controlling a heating, ventilation, and air conditioning (HVAC) system, comprising: powering up the HVAC system;without respect to an ambient temperature, at least one of (1) operating a sump heater for a compressor for a first predetermined cumulative period of time in response to the HVAC system being powered up and (2) operating the compressor for a second predetermined cumulative period of time in response to the HVAC system being powered up; andin response to achieving at least one of the first predetermined cumulative period of time of operation of the sump heater and the second predetermined cumulative period of time of operation of the compressor, selectively operating the sump heater as a function of the ambient temperature after the compressor has been off for a third predetermined period of time. 2. The method according to claim 1, wherein if the ambient temperature is above a first predetermined temperature, operation of the sump heater is discontinued. 3. The method according to claim 2, wherein the first predetermined temperature is within a range of about 70° F. to about 90° F. 4. The method according to claim 1, wherein the first predetermined period of time is within a range of about 5 hours to about 20 hours. 5. The method according to claim 1, wherein if the compressor turns on before the first predetermined period of time has elapsed, the operation of the sump heater is discontinued. 6. The method according to claim 1, wherein the sump heater is not operated while the compressor is operated. 7. The method according to claim 1, wherein if the compressor turns on before the first predetermined period of time has elapsed and the compressor has not operated for a second predetermined period of time, subsequent stopping operation of the compressor causes the sump heater to resume operation. 8. The method according to claim 7, wherein the second predetermined period of time is within a range of about 1 minute to about 10 minutes. 9. The method according to claim 1, wherein if the compressor turns on before the first predetermined period of time has elapsed and the compressor has operated for a second predetermined period of time, the HVAC system operates with the compressor off and the sump heater off. 10. The method according to claim 9, wherein if operation of the compressor is discontinued for the third predetermined period of time and if the ambient temperature is less than a first predetermined temperature, the sump heater is turned on. 11. The method according to claim 10, wherein the first predetermined temperature is defined by a second predetermined temperature minus a predetermined number of degrees. 12. The method according to claim 11, wherein the predetermined number of degrees is within a range of about 5° F. to about 20° F. 13. The method according to claim 10, wherein the third predetermined period of time is within a range of about 25 minutes to about 120 minutes. 14. A heating, ventilation, and air conditioning (HVAC) system, comprising: a compressor;a sump heater associated with the compressor; anda controller configured to control the compressor and the sump heater so that (1) the sump heater is not operated while the compressor is operated and (2) after at least one of the compressor and the sump heater are operated for a first predetermined cumulative period of time and a second predetermined cumulative period of time, respectively, the sump heater is prevented from operating for a third predetermined period of time after a stoppage of the compressor. 15. The HVAC system according to claim 14, wherein the controller is configured to operate the sump heater for the first predetermined cumulative period of time in response to the HVAC system being powered up. 16. The HVAC system according to claim 14, wherein the first predetermined period of time is within a range of about 5 hours to about 20 hours. 17. The HVAC system according to claim 14, wherein the controller is configured to control operation of the sump heater in response to an ambient zone temperature. 18. The HVAC according to claim 17, wherein the controller is configured to turn off the sump heater while the ambient zone temperature is greater than a first predetermined temperature. 19. The HVAC system according to claim 18, wherein the first predetermined temperature is within a range of about 70° F. to about 90° F. 20. The HVAC system according to claim 17, wherein the controller is configured to keep the sump heater off until the ambient zone temperature is less than a second predetermined temperature. 21. The HVAC system according to claim 20, wherein the second predetermined temperature is within a range of about 70° F. to about 90° F. minus a delta in the range of about 5° F. to about 20° F. 22. The HVAC system according to claim 14, wherein the third predetermined time period is within a range of about 25 to about 120 minutes. 23. The HVAC according to claim 17, wherein the controller is configured to turn on the sump heater while the ambient zone temperature sensor is absent, faulted or otherwise not working and the compressor is not operating.
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