Update Case 5 [Commercial Facility] Operational Improvement (Increased Energy Savings through Automated Control)

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last updated：Oct 06, 2014

八紘テクノ

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Added variable speed control based on temperature and carbon dioxide concentration. Improved average energy-saving rate to over 60%.

Before the update, the machine room was located far away, making it almost impossible to use frequency control with inverters. After the update, we improved the average energy-saving rate to over 60% by using temperature sensors and carbon dioxide concentration sensors to control the fan motor with an inverter. 【Features】 ○ Inverter control of the fan motor's rotation speed using temperature sensors and carbon dioxide concentration sensors ○ Target equipment: Inverters for air conditioning units and exhaust fans (400V/30.0kW, 18.5kW) For more details, please contact us or download the catalog.

Related Link - http://www.hakko-techno.co.jp/case/renewal/renewal…

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【Before Update】 ○ Fixed frequency operation → Due to the machine room being located far away, frequency adjustment was hardly possible → Power saving rate below 20% 【After Update】 ○ Added temperature sensors and carbon dioxide concentration sensors for inverter control → Improved average power saving rate to over 60% ● For more details, please contact us or download the catalog.