STULZ worldwide

best wood SCHNEIDER

  • 2021

  • CyberAir 3PRO DX

  • Germany, Stuttgart

  • 230 kW

  • DIN ISO 50001

  • best wood SCHNEIDER

The Customer

The southern German company best wood SCHNEIDER needed an climate solution for their control rooms in their plant in Eberhardzell. A particular challenge of the project was to bridge the distances between the individual control rooms and to integrate the system into the existing infrastructure. Together with the customer, STULZ developed and implemented a customized solution for air conditioning of the control rooms.

best wood SCHNEIDER is a medium-sized company operating throughout Europe with a production site in Southern Germany and a branch in Switzerland. With approx. 430 employees, the company manufactures wood products such as glued laminated timber, cross laminated timber and many other products for timber houses and passive houses.

The challenge
Our solution
The result
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In order to make the production process as efficient as possible and to minimize the risk of breakdowns, best wood SCHNEIDER was looking for a solution for their control rooms air conditioning.

The climate in the production halls as well as the outside temperatures created suboptimal conditions, which would have resulted in corrosion in the long term. The associated risks of electrical short circuits, arcs, machine failures etc. had to be eliminated with appropriate air conditioning technology in order to ensure continuous production. In addition, the temperature and humidity levels in the control rooms accelerated the chemical aging process of the control panels. Since the company is certified according to the energy management standard DIN ISO 50001, special attention was also paid to energy-efficient and environmentally friendly air conditioning of the control rooms.


Therefore, the task for STULZ was to equip 4 control rooms with a total cooling capacity of 230 kW and to respond to the very strong sustainability concept of best wood SCHNEIDER by implementing settings like minimum noise emissions, refrigerants with the lowest possible GWP etc.

In order to have a minimal impact on the production process, the entire control room air conditioning project had to be implemented within a very short time frame. A particular challenge was the new pipe work of the control rooms and switch cabinets, which was up to 150 metres long. The pipes were run through the production halls during operation in order to connect the individual systems.

Another requirement was to integrate the entire control room air conditioning into the existing infrastructure. Due to the available space, individual cables were routed along the production lines.The necessary pump stations for bridging the distances, as well as the dry cooler, were installed outside the building to save space. With a sound pressure level of 50 dB(A), the requirement for minimum noise emissions was also met here.

CyberAir 3PRO DX was used in the respective control rooms. The units provide maximum cooling capacity on a minimum footprint and offer a high level of energy efficiency through the Indirect Free Cooling mode. This allows the system to use the outside air indirectly (via air-to-air heat exchangers) from a defined temperature to ensure a suitable temperature level at the destination. In addition, the system was filled with the refrigerant 134a, which has a lower GWP value than the commonly used R407C, in order to comply with the sustainability concept.

At the time this article was completed, the system had already been in operation at best wood SCHNEIDER for 1 year. During this period, the temperature and humidity values in the control rooms were significantly minimized and target values of the air conditioning were met effortlessly. Both the air conditioning and the control systems benefiting from it running smoothly and without interruption or production downtime.

The reliability of the supplied air-conditioning system prompted the customer to equip other areas of the company with STULZ solutions and installations, which are currently in the planning stage.

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Together we achieve your goals

The CyberAir 3PRO DX room air conditioner is the result of more than three decades of experience with projects around the world, and is the logical next step in the development of the successful CyberAir 3 series. To achieve maximum cooling capacity with a minimal footprint while promising you maximum potential savings, these HVAC system units are more adaptable than any other precision air conditioning unit on the market.


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