The development of a temperature and humidity control system in a split-type ceiling-suspended air conditioner to optimize energy usage in classrooms at Siam Technology College

Abstract

A split-type air conditioner, specifically the ceiling-suspended model, is a cooling system that offers convenient installation. The selection of a split-type air conditioner depends on the size of the area, the nature of usage, and the ability to control temperature. Typically, fixed-speed split-type air conditioners are installed in multiple units within an air-conditioned space, such as classroom 7201 in Building 7 of Siam Technology College. This setup often results in inefficient temperature and humidity control, leading to excessive electricity consumption. Therefore, this research aims to develop a temperature and humidity control system to optimize energy consumption for practical use. Experimental results indicate that the optimal temperature and relative humidity for room 7201 are 25 ^oC and humidity below 60%. The average power consumption is 4,250 watts per hour, which aligns with the appropriate energy usage for air conditioning. This optimization helps prevent equipment deterioration and ensures efficient electricity consumption.