Introducing a constant temperature and humidity control system in a large space, with examples of practical implementation in a precision metal machinery factory!
We would like to introduce an implementation example of the constant temperature air conditioning system "Ductless Air Conditioning Technology" in a large space, precision metal machining factory. Due to the installation of a hoist crane in the upper part of the building, there is no duct space above the process area, which is a constraint. As an improvement system, we used an induction fan to draw and diffuse the blown air, achieving uniform constant temperature conditions (±2°C) and energy savings in the large space. As a result of continuous temperature measurements conducted over three days at FL+1000, +450, and +8000, we satisfied the design condition of ±2°C at all levels. 【Required Specifications】 ■ Air Conditioning Conditions: Summer 26±2°C / Winter 18-2°C (Air Conditioning Guarantee Height: 4m for one building / 8m for two buildings) ■ Constraints: As it is a machining factory with a hoist crane installed in the upper part of the building, there is no duct space above the process area (only above the hoist). ■ Notes: The arrangement of the induction SF fans should allow for uniform indoor temperature and avoid interference with the hoist. ■ Total Floor Area: 9,500m² ■ Building Height: 12.5m for one building / 18m for two buildings *For more details, please refer to the PDF document or feel free to contact us.
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【Points of Improvement】 ■ Significant reduction in initial costs by adopting a ductless system ■ Reduction in running costs due to decreased fan transport power ■ Ensured construction safety and shortened construction period by reducing high-altitude work 【Evaluation】 ■ Continuous temperature measurements were conducted for three days at FL+1000, +450, and +8000, and at all levels, the results satisfied the design condition of ±2°C ■ The temperature distribution at each floor level showed nearly the same temperature, indicating that the indoor temperature is uniformly diffused *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Sanyo Security Industry Co., Ltd. has contributed to Japanese industry by improving workplace environments in factories for 60 years. Based on our long-standing achievements, we will further strengthen the technologies and know-how we have accumulated, strive for innovative development, and work to meet your expectations and trust by developing innovative new products, which are the foundation of manufacturing, from a global perspective.