Direct Expansion Panel: In-Floor Cooling for Datacenter

Following our partner Weiss Doppelbodensysteme long time expertise in the IT & Datacenter industries, we present you the Direct Expansion Panel.

Just like our whole Product Brochure, this most recent launching remains loyal to the innovative In-Floor Cooling System for Datacenter installations. DX version Active Panel is located under raised floor. Thus, optimizing Datacenter footprint space.

This time, our solution operates via a DX circuit, rather than previous cold water circuits.


Each Panel consists of 1200mm x 600mm x 550mm dimensions. Equipped with four EC fans and DX heat exchangers units with a free cross section of 44% surface.

Direct Expansion Panels will be located under raised floor and placed in front of each rack cabinets line. The tile can be configurated in both options: as aspiration mode in hot aisle and/or ventilation mode in cold aisle. This easing air direction according to your installation specific needs.

Active Panel is in charge of air cooling thanks to cooling agent. Thus, it enables to work with low degree temperatures. Built in humidifiers and condense water discharges are key for precision airconditioning in your Datacenter.

In addition, EC fan turbines are in charge of air flow ventilation. By directing cooled air to rack cabinets located at cold aisle. In fact, each panel unit will achieve 6.000m3/h air flow value.

Regarding control devices. Fans automatically react to temperature changes in rack cabinets. In effect, the reduction or increase of desired airflow can be established based on two different values. Whether by temperature values or according to air pressure values. This will be previously configurated before shipment.

DX HydroLogic Panel Properties

Direct Expansion Panel may reach charge loads up to 30Kw per unit. Designed to perform via cooling agent, the panel reaches a 5ºC evaporation temperature. Therefore, the presence of humidifiers and condensate processes.

The Panel requires of a 550mm minimum installation height. However, its location guarantees a great space optimization since Datacenter footprint completely devotes to servers hosting at 19” rack cabinets. Further to this, it offers a notably modular capacity for future updates. Moreover, in case of raised floor reparation, DX-Box panel keeps operating with no major affectation.

Control settings for air flow ventilation. As stated above, air flow can be regulated according to temperature values or, alternatively, by air pressure values. Its adjustment must be established previous installation. In effect, such setting grants you with full air flow control for each cabinet line.

Control setting systems for Active Panels offer several options. It grants the possibility for remote control, snmp integration, Bacnet, among other options.

Values & Figures


  • Dimensions: 1200mm x 600mmx 550mm
  • Height: 535mm
  • Finish: PVC, HPL, rubber
  • Weight: 80kg
  • Material: Powder-coated Steel
  • Free surface: 44%
  • Resistance to ground: < 10⁸ Ohm (Depends on coverings)

Charge Loads:

  • Concentrated load: 5kN
  • Ultimate load: >6kN
  • Height: 600mm – 2000mm


  • Cooling Capacity: Up to 30Kw/unit
  • Energy Consumption: 720 W
  • Voltage: 230V
  • Air Flow: 6.000m3/h
  • Humidifier: Integrated
  • Condensates management: Integrated
  • Evaporation temperature: 5ºC
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