Patent ID: 9746996
Date: 2017-08-29
CPC Classifications: B60H,F24F,G06F

Claim:
1. A heating, ventilation, or air conditioning (HVAC) controller for controlling one or more components of a HVAC system or monitoring a state thereof, the HVAC controller comprising a touch screen display that receives a parameter setting command input by a user's touch; a controller connected with the touch screen display to display a screen on the touch screen display, wherein the controller displays a function selection screen to select a type of a limit function when the controller receives a command for selecting limit functions of one or more components of the HVAC system; and a memory that stores an input limit parameter, wherein the controller displays a set-up screen to input the limit parameter on the touch screen display when a specific limit function is selected on the function selection screen, wherein the set-up screen includes a set-up button to input the limit parameter, wherein the controller compares the limit parameter stored in the memory and accumulated usage values of the one or more components of the HVAC system and displays a screen including pop-up information on the touch screen display when a ratio of an accumulated actual usage value to the limit parameter reaches at least one predetermined reference ratio, wherein the at least one predetermined reference ratio includes a first reference ratio and a second reference ratio greater than the first reference ratio, wherein each of the first reference ratio and the second reference ratio is less than 100 percent, wherein when the one or more components of the HVAC system is operated, the accumulated usage values increase, wherein the controller displays the screen including the pop-up information on the touch screen display when the ratio of the accumulated actual usage value to the limit parameter reaches the first reference ratio, and wherein after the pop-up information disappears, the controller displays the pop-up information on the touch screen display when the ratio of the accumulated actual value to the limit parameter reaches the second reference ratio.