One of the advantages of using chilled water systems is not having to move high-pressure refrigerant gas and running copper piping between the interior space of the room and the outdoor space. On the other hand, in spaces where there is a large difference in height between the indoor environment and the outdoor space, and the implementation of DX systems is not possible due to the limitations related to the pressure drop of the lines, the use of chilled water mini packages using pumps with suitable power is recommended. . The products of this group can be presented in 3 body sizes and different capacities. Controlling the desired temperature of the data center aisel in this category of products is done using a 3-way electric valve and variable speed fans.