5.7.3 Balancing Valves 37
5.8 Flexible Pipes 37
5.9 Connecting Liebert DCD Flex Pipe Hoses 39
5.10 Leak Checking 40
5.11 Filling the Unit 40
5.11.1 Bleeding Air from Liebert DCD 40
6 Installation Checklist and System Fill for Startup 43
7 Maintenance 47
7.1 General Maintenance 47
8 Specifications 49
8.1 Water Quality 50
8.2 Capacity Performance 52
Vertiv | Liebert® DCD™ User Manual| ii