Lenovo ThinkSystem Rear Door Heat eXchanger V2 User Manual

ContentsContents . . . . . . . . . . . . . . . . . iChapter 1. Rear Door HeateXchanger V2 . . . . . . . . . . . . . . 1Chapter 2. Set up Rear Door HeateXchanger V2 . . . . . . . . . . . . . . 5Complete setup of Rear Door Heat eXchanger V2that comes with the rack . . . . . . . . . . . . 6Replace a regular door with Rear Door HeateXchanger V2 . . . . . . . . . . . . . . . . 8Water specifications for the secondary coolingloop . . . . . . . . . . . . . . . . . . . 17Control and conditioning of the secondarycooling loop . . . . . . . . . . . . . . 17Water delivery specifications for secondaryloops . . . . . . . . . . . . . . . . . 19Fill the heat exchanger with water . . . . . . . . 27Chapter 3. Routing cables/hoses forwater-cooled system . . . . . . . . . 33Raised-floor environment . . . . . . . . . . . 34Raised-floor and non-raised-floor environments . . 35Chapter 4. Rear Door HeateXchanger V2 replacement . . . . . . 37Drain the heat exchanger of water. . . . . . . . 37Remove Rear Door Heat eXchanger V2 . . . . . 43Install Rear Door Heat eXchanger V2 . . . . . . 47Fill the heat exchanger with water . . . . . . . . 53Replace the door latch . . . . . . . . . . . . 58Appendix A. Getting help andtechnical assistance . . . . . . . . . . 61Before you call . . . . . . . . . . . . . . . 61Contacting Support . . . . . . . . . . . . . 62Appendix B. Notices. . . . . . . . . . 63Trademarks . . . . . . . . . . . . . . . . 64Index . . . . . . . . . . . . . . . . . . 65© Copyright Lenovo 2021 i