589 An environmentally friendly HVAC solution for Engelbert Strauss’ CI Factory Engelbert Strauss sought an environmentally friendly HVAC solution for its CI Factory and turned to Daikin technologies to meet this need. The facility is now equipped with five EWAH-TZ units, delivering a total cooling capacity of 3,450 kW to ensure efficient and sustainable cooling and air conditioning. The challenge This well-known manufacturer applies the same high standards of innovation to its CI Factory as it does to its products—particularly in terms of temperature control and environmental sustainability. On the roof of the logistics centre, a photovoltaic system with a nominal output of 800 kW supplies energy equivalent to the needs of 200 households. To remain consistent with these sustainability principles, the cooling and air conditioning systems also had to be designed with efficiency and environmental responsibility in mind. For this reason, Engelbert Strauss chose Daikin. The solution The project called for an environmentally friendly HVAC solution, which led to the choice of chillers using the low GWP R-1234ze refrigerant. When combined with Daikin’s Single Screw compressor technology, it also delivers outstanding energy efficiency. On the roof of the CI Factory, four Daikin air-cooled chillers are installed in a cascade configuration, each providing 820 kW of cooling capacity. This setup ensures efficient air conditioning for both the logistics and production areas. The cascade arrangement allows precise system control, activating all or only some of the chillers according to the building’s actual cooling demand. The chiller plant also includes an additional air-cooled EWAH-TZ chiller with a 170 kW capacity, dedicated to cooling the factory’s server rooms. These relatively compact chillers require minimal space while offering maximum reliability and flexibility for process cooling. The modern Single Screw compressor with inverter technology enables low-noise operation while maintaining exceptionally high efficiency levels. Daikin’s References
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