Multifree is and additional function specifically designed for Modular Free Cooling units used for critical cooling application that need N+1 configuration. In this kind of systems, Multifree function is cabable to use the free cooling section of the Stand by units, that means
Increase of whole Free Cooling capacity
Increase of the Total Free Cooling temperature and consequently reduce the number of Working hours of compressors
Possible reduction of single units capacity, reducing CAPEX and required Footprint