Cooling system and method

A system for cooling a data center having a volume of space designed to house a plurality of electronic equipment racks, each equipment rack being arranged in a row and having a housing adapted to support at least one piece of electronic equipment, the system comprising:

• a plurality of cooling racks, each cooling rack comprising a housing and cooling system components supported by the housing;
• a fluid communication system coupled to the cooling system components of the plurality of racks, the fluid communication system being configured to provide chilled coolant to and exhaust heated coolant from coolant system components of each cooling rack;
• and
• at least one controller coupled to each cooling rack of the plurality of cooling racks to control the operation of each cooling rack,
• wherein the plurality of cooling racks and the fluid communication system are configured to be modular to allow placement of cooling racks in different locations in a row of equipment racks within the volume of space of the data center.