发明名称 |
HVAC controller with HVAC system fault detection |
摘要 |
An HVAC controller may be programmed to monitor a current delta T of an HVAC system and to determine a performance level of the HVAC system based, at least in part, on one or more delta T limits stored in the memory of the HVAC controller. The HVAC controller may be further programmed to display or provide a user alert if the performance level falls outside of a normal operating range for the HVAC system. |
申请公布号 |
US8902071(B2) |
申请公布日期 |
2014.12.02 |
申请号 |
US201113325525 |
申请日期 |
2011.12.14 |
申请人 |
Honeywell International Inc. |
发明人 |
Barton Eric;Schultz David;Aljabari Mohammad |
分类号 |
F24F12/00;F24F11/00;F24F11/053 |
主分类号 |
F24F12/00 |
代理机构 |
Seager Tufte & Wickhem LLC. |
代理人 |
Seager Tufte & Wickhem LLC. |
主权项 |
1. An HVAC controller configured to control one or more components of an HVAC system, the HVAC controller comprising:
a user interface including a display; a memory; a controller connected to the memory and the user interface, the controller programmed to monitor a delta T that is representative of a difference in temperature between a return air side and a discharge air side of an HVAC system during operation of the HVAC system, and to determine a performance level of the HVAC system based, a least in part, on one or more delta T limits stored in the memory of the HVAC controller; and wherein the controller is configured to record a delta T fault in the memory of the HVAC controller if the monitored delta T falls outside of one or more of the delta T limits for at least a predetermined amount of time during a current HVAC cycle, the controller further configured to determine whether to display on the display of the HVAC controller a user alert based at least in part on a count of the delta T faults recorded within a predetermined period of time or during a predetermined number of HVAC cycles. |
地址 |
Morristown NJ US |