Cooling System


The CoolTop DX rack-mount cooling units are specifically designed for easy installation on top of racks and are ideal for efficient intentional cooling of larger server rooms and data centers. The CoolTop DX indoor units feature a special heat exchanger with two separate refrigerant circuits and are connected to the outdoor condensing units through refrigerant piping.

In the basic mode, each CoolTop unit can be connected to an outdoor unit with a cooling capacity of 19 kW or 24 kW. If additional cooling power is required, a second outdoor cooling unit can be connected, increasing the cooling capacity to 38 kW or even 48 kW if needed. CoolTop is a solution for customers who prioritize energy efficiency and immediate increase in cooling power without the need for building modifications.


  • No floor space occupation
  • No water in the data center
  • Direct supply of cooled air to the cold aisle in front of server racks
  • The vertical air circulation system responds to ambient conditions
  • Very low energy consumption thanks to a large heat exchanger and EC axial fans
  • Modern and user-friendly control system
  • Flexible space organization
  • No need for raised flooring for air distribution
  • Easy installation in a closed cold or hot aisle
  • Perfect compatibility with CONTEG distribution racks
  • Comes with a wide range of accessories
  • Dual-circuit refrigerant heat exchanger
  • Power regulation capability from 30% to 100%
  • Possibility to connect to 2 outdoor units
  • Double stainless steel condensate tray to be placed under the heat exchanger
  • ModBus communication controller (no need for additional accessories)


  • Cold aisle containment
  • Hot aisle containment
  • Can be combined with CoolTeg units in the same area (aisle)

Find out where you can use these ventilation units

Descargar catálogo / Download catalog