Demand control ventilation system with commissioning and checkout sequence control
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F24F-011/00
G05B-019/042
F24F-012/00
출원번호
US-0847823
(2015-09-08)
등록번호
US-9765986
(2017-09-19)
발명자
/ 주소
Thomle, Adrienne
Kreft, Todd
Bokusky, Mark
출원인 / 주소
Honeywell International Inc.
대리인 / 주소
Seager, Tufte & Wickhem, LLP
인용정보
피인용 횟수 :
1인용 특허 :
122
초록▼
The disclosure relates to a Demand Control Ventilation (DCV) and/or Economizer system that is capable of drawing outside air into an HVAC air stream. In some instances, the DCV and/or Economizer system may be configured to help perform one or more system checks to help verify that the system is func
The disclosure relates to a Demand Control Ventilation (DCV) and/or Economizer system that is capable of drawing outside air into an HVAC air stream. In some instances, the DCV and/or Economizer system may be configured to help perform one or more system checks to help verify that the system is functioning properly. In some instances, the DCV and/or Economizer system may provide some level of manual control over certain hardware (e.g. dampers) to help commission the system. The DCV and/or Economizer system may store one or more settings and or parameters used during the commissioning process (either in the factory or in the field), so that these settings and/or parameters may be later accessed to verify that the DCV and/or Economizer system was commissioned and commissioned properly.
대표청구항▼
1. A Demand Control Ventilation (DCV) and/or Economizer system that is configured to be attached to a roof top HVAC unit of a building, comprising: a DCV and/or economizer unit having a damper and a controller integrated with the DCV and/or economizer unit, wherein the damper is configured to select
1. A Demand Control Ventilation (DCV) and/or Economizer system that is configured to be attached to a roof top HVAC unit of a building, comprising: a DCV and/or economizer unit having a damper and a controller integrated with the DCV and/or economizer unit, wherein the damper is configured to selectively control air flow from outside of the building and into the building;the controller configured to have an operational mode in which the controller operates theDCV and/or economizer unit based at least in part on one or more sensor inputs from one or more environmental sensors, and a test mode distinct from the operational mode in which a user initiates one or more tests of the DCV and/or economizer unit;the controller, when in the operational mode, is configured to control a position of the damper such that a desired air flow of outside air is drawn into the building based at least in part on the one or more sensor inputs from the one or more environmental sensors; andthe controller is further configured to leave the operational mode and enter the test mode upon receiving one or more test commands from a user, the controller when in the test mode is configured to initiate and perform one or more tests of the DCV and/or economizer unit in response to the one or more test commands rather than based on the one or more sensor inputs from the one or more environmental sensors the one or more tests comprising proving that the damper can be successfully moved from a first position to a second position, the controller is further configured to communicate a result of the one or more tests to a user interface. 2. The Demand Control Ventilation (DCV) and/or Economizer system of claim 1, wherein the user interface is configured to: allow the user to initiate the one or more test commands; andprovide the result of the one or more tests to the user. 3. The Demand Control Ventilation (DCV) and/or Economizer system of claim 2, wherein the user interface includes a display. 4. The Demand Control Ventilation (DCV) and/or Economizer system of claim 3, wherein the user interface is secured to the DCV and/or economizer unit and operatively coupled to the controller via a wired connection. 5. The Demand Control Ventilation (DCV) and/or Economizer system of claim 3, wherein the user interface is part of a portable device, which is operatively coupled to the controller via a wireless and/or wired connection. 6. The Demand Control Ventilation (DCV) and/or Economizer system of claim 2, wherein the user interface includes a button and provides audio and/or visual feedback. 7. The Demand Control Ventilation (DCV) and/or Economizer system of claim 1, wherein the DCV and/or economizer unit includes a sensor, and the one or more tests comprises proving that the sensor is functioning. 8. The Demand Control Ventilation (DCV) and/or Economizer system of claim 1, wherein the DCV and/or economizer unit includes a fan and the one or more tests comprises proving that the fan is functioning. 9. The Demand Control Ventilation (DCV) and/or Economizer system of claim 1, wherein the controller includes a non-volatile memory, and wherein the controller is configured to store the result of the one or more tests to the non-volatile memory. 10. A Demand Control Ventilation (DCV) and/or Economizer system for a building, comprising: a DCV and/or economizer unit having a damper and a controller located at the DCV and/or economizer unit, the controller having a non-volatile memory, the damper having an open position and a closed position for controlling a flow of outside air into the building;the controller configured to have an operational mode in which the controller operates theDCV and/or economizer unit based at least in part on one or more sensor inputs from one or more environmental sensors, and a test mode distinct from the operational mode in which the DCV and/or economizer unit operates in accordance with one or more self-tests rather than based on the one or more sensor inputs from the one or more environmental sensors;the controller, in the operational mode, is configured to control the damper position such that a desired flow of outside air is drawn from outside the building and into the building based at least in part on one or more sensor inputs from one or more environmental sensors; andthe controller, in the test mode, is configured to operate the DCV and/or economizer unit in accordance with the one or more self-tests rather than based on the one or more sensor inputs from the one or more environmental sensors and to store a result of the one or more self-tests in the non-volatile memory for later access by a user. 11. The Demand Control Ventilation (DCV) and/or Economizer system of claim 10, wherein the controller is configured to enter the test mode and perform one or more of the self-tests after the controller is initially booted but before the controller enters the operational mode and controls the damper position such that a desired flow of outside air is drawn from outside the building and into the building. 12. The Demand Control Ventilation (DCV) and/or Economizer system of claim 10, wherein the controller is configured to enter the test mode and perform one or more of the self-tests on demand by a user. 13. The Demand Control Ventilation (DCV) and/or Economizer system of claim 10, wherein the result of the one or more self-tests is retrievable from the non-volatile memory and displayed on a user interface. 14. The Demand Control Ventilation (DCV) and/or Economizer system of claim 13, wherein the user interface includes a display. 15. The Demand Control Ventilation (DCV) and/or Economizer system of claim 13, wherein the user interface is secured to the DCV and/or economizer unit and operatively coupled to the controller via a wired connection. 16. The Demand Control Ventilation (DCV) and/or Economizer system of claim 13, wherein the user interface is part of a portable device, which can be operatively coupled to the controller via a wireless connection. 17. The Demand Control Ventilation (DCV) and/or Economizer system of claim 13, wherein the user interface includes a button and also provides audio and/or visual feedback. 18. The Demand Control Ventilation (DCV) and/or Economizer system of claim 10, wherein the controller is configured to automatically enter the test mode and initiate and perform one or more of the self-tests. 19. The Demand Control Ventilation (DCV) and/or Economizer system of claim 10, wherein one or more of the self-tests are configured to prove that the damper moves to predetermined open and/or closed positions, prove that one or more sensors of the DCV and/or economizer unit are functioning properly, and/or prove that one or more fans of the DCV and/or economizer unit can be energized properly. 20. A Demand Control Ventilation (DCV) and/or Economizer unit for a building, comprising: a DCV and/or economizer unit housing that houses: a damper that moves along a range of damper positions for controlling a flow of outside air into the building;a controller that, in an operating mode, is configured to control the damper position such that a desired flow of outside air is drawn from outside of the building and into the building based at least in part on one or more sensor inputs from one or more environmental sensors; a non-volatile memory; andthe controller is further configured to store system commission data generated during an original commissioning of the DCV and/or economizer unit in the non-volatile memory for later confirmation of the original commissioning of the DCV and/or economizer unit, the system commissioning data comprising one or more of a current set and/or reset damper position, a maximum and/or minimum damper position, a date of original commissioning, and a person and/or company name that performed the original commissioning.
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