HP Performance-Optimized Datacenter, 6 m (20 ft) User Guide

Installation 14
2.
Connect the 7.62 cm (3 inch) return line to the facility water system.
NOTE: The HP POD pipe design is rated for a maximum pressure rating of 150 psi.
3. Verify that your facility water pressure differential (between supply and return) is within the
acceptable range (25 psi maximum).
NOTE: For easy reference, the water piping is labeled with green tape and white arrows
pointing in the direction of the water flow.
4. (Optional) Connect the HP POD humidifier to the domestic or industrial water drain (1) and supply
(2) lines underneath the humidifier cabinet. For more information about the humidifier, see the
product documentation.
IMPORTANT: Provide freeze protection to the humidifier water supply.
5. Perform one of the following in accordance with local codes: