Energy-saving Air Conditioning Office Notes: Differentiating between 'Rated Value, Maximum Value, and Measured Value'
To prevent discrepancies in the interpretation of diagnostic data.
When conducting an energy-saving diagnosis of air conditioning units, treating the manufacturer's "rated values" and the "measured values" obtained on-site as the same will lead to inaccurate evaluations. These figures have distinctly different meanings and roles. This time, we will explain the organization of indicators to help on-site facility managers correctly interpret the data and implement appropriate energy-saving measures. 1. Understand the roles of the three values The key figures to be grasped in managing air conditioning units are mainly the following three types: Rated Value (Standard Value) This is the standard value set by the manufacturer under typical conditions. It serves as the baseline for comparing equipment and calculating "load rates." It is important to note that this value is merely a guideline and differs from the values during normal operation. Maximum Value (Peak Value) This is the highest value recorded during operation. It is used to check the peak load that occurs momentarily and to assess how much capacity the equipment has (whether there is any overload). Measured Value (On-site Data) This is the actual data measured on-site using devices such as current loggers. It fluctuates constantly due to external temperature, time of day, and usage environment, making it the "central data" for energy-saving evaluations and comparisons before and after implementation.
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2. Meaning of Values and Usage Scenarios (Comparison Summary) To facilitate smooth data analysis, we have organized the differences based on the following criteria. [Meaning and Usage] Rated Value: It is the "standard condition reference" and serves as a basis for equipment selection and comparison. Maximum Value: It is the "largest value" and is used to check for equipment overload or peak conditions. Measured Value: It is the "actual value measured on-site" and is essential for evaluating energy-saving effects and operational analysis. [Variability and Perspective] Rated Value: It is fundamentally "fixed." Maximum Value: Its occurrence is "temporary." Measured Value: It "constantly fluctuates."
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The fundamental principle of air conditioning management is to "use the rated values as a reference (comparison target) while observing the changes in actual measured values to confirm the current operating state and energy-saving effects." It is precisely because there is an unchanging standard in the form of rated values that it becomes possible to analyze whether "the current operation is appropriate" based on the fluctuations in actual measured values. We specialize in providing optimal air conditioning operation proposals based on on-site load diagnostics. If you have concerns such as "I have actual measurement data, but I don't know how to utilize it" or "I'm worried about the deviation from the rated values," please feel free to contact us.
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AIP Corporation provides eco-friendly and comfortable solutions for social and living environments, focusing on air conditioning. 〇 Air Conditioning Business We handle the sales, installation, and maintenance of air conditioning equipment for new construction and renovation projects in stores, supermarkets, drugstores, hospitals, nursing facilities, hotels, buildings, factories, and residences, as well as for the replacement and upgrade of air conditioning units. 〇 Energy Conservation Business We propose plans to reduce energy costs for our customers' facilities through various methods such as equipment performance recovery devices, indoor control systems, and visualization, achieving reductions in running costs and CO2 emissions. 〇 Aqua Power Business We produce and sell a weakly acidic hypochlorous acid water solution called CELA. We offer suggestions on how to utilize CELA and provide support in terms of hygiene management. Additionally, we handle special purification materials and water purifiers.
