Modular data center infrastructure

A modular data center infrastructure system for providing cooling to two rows of computer equipment cabinets having an aisle therebetween, the system comprising:

• a plurality of through modules configured to be disposed above the aisle;
• wherein the plurality of through modules includes a first through module configured to be coupled above a first opposing pair of the cabinets and a second through module configured to be coupled to the first through module above a second opposing pair of the cabinets;
• wherein the first through module has a first width of the first opposing pair of the cabinets and the second through module has a second width of the second opposing pair of the cabinets;
• and
• wherein each through module includes a first tube configured to receive cooling fluid flow in a first direction, a second tube configured to receive cooling fluid flow in a second, opposite direction, and a third tube configured to receive cooling fluid flow in the first direction;
• an end module configured to be disposed above the aisle and coupled above a third opposing pair of the cabinets;
• wherein the end module has a third width of the third opposing pair of the cabinets;
• and
• wherein the through modules and the end module are configured to be coupled to one another with the first through module being coupled between the end module and the second through module;
• and
• a first reversing coupler configured to couple the first tube of the first through module with the second tube of the first through module.