| HVAC system or generally called "Heating, Ventilating | | | | But in this article, we refer to BAS system which |
| and Air Conditioning" is the main factor of buildings, | | | | relevant to HVAC system. |
| factory, office, hotel and department store. The worse | | | | When we decide to combine Automation system and |
| the control of HVAC system, the more the expenses | | | | HVAC system, the owners have to plan the |
| of maintenances. | | | | followings:- |
| In the past, the management of HVAC requires more | | | | They have to inspect HVAC system what we have, |
| human resources in order to maintain or even Log | | | | how many which are usable, how many which are |
| Sheet recording. The most efficiency of Log Sheet | | | | damaged such as Chiller, AHU, Cooling Tower, Motor |
| recording need to deliberately record all information | | | | and etc. |
| such as chiller data, Inside-Outside Building temperature, | | | | They have to learn and contact the equipment |
| Water Temperature, control inside and outside | | | | suppliers in HVAC system to check if each equipment |
| buildings. The reasons why we need to keep record | | | | can connect with peripheral console to interface or not. |
| deliberately in minutely, hourly, monthly or yearly are to | | | | (In case, the equipment could not interface to retrieve |
| analyze to improve the efficiency.In HVAC System | | | | information. The owners have to replace with the new |
| Log Sheet, Data History is necessary to analyze and | | | | model or find controller equipment such as Input-Output |
| solve the problem. | | | | module to interface.) |
| You can see that the management of Log Sheet is | | | | Assign staff to in-charge system especially. |
| required human to record information deliberately; | | | | Budget depending on structure, complication and the |
| otherwise, the information will be inaccuracy and too | | | | size of system.(ex. hardware protocol converters |
| late to solve the problem promptly. | | | | RS232, RS485 communication) Microcontrollers |
| The idea to resolve the difficulty of HVAC system is | | | | Module, Inverter, Computer. |
| to manage things centrally or called "Centralize | | | | Why HVAC Building Automation system are Needed |
| Management". This concept use the idea that central | | | | The most highly desired services and amenities were |
| unit can control devices automatically, approach every | | | | Comfortable temperatures |
| system information and prompt to view equipment | | | | Easy Management and Centralize Management |
| performance. We called this management "Building | | | | Good indoor air quality |
| Automation System" or Intelligent Buildings. | | | | Control Humidity |
| How Building Automation System work? | | | | High-quality building maintenance |
| BAS (Building Automation System) uses the concept | | | | Responsive building management |
| which every equipment/every part will be controlled | | | | Building management's ability to meet tenant needs |
| and managed automatically that implement the | | | | Effective noise control |
| information to analyze. For example, the On-Off | | | | Reduce Human Error |
| Schedule for equipment or machine accurately is used | | | | BOMA also asked which of a set of thirteen intelligent |
| to reduce human error such as they forgot to switch | | | | building features were considered most important. |
| on and off. This also include in lighting, elevator system. | | | | |