1 INTRODUCTION
1.1 References
This document must be used together with site-specific documentation and documentation for other
parts of the system.
1.2 Pre-Installation Checks
Check the received materials to be sure all required assemblies and parts have been received. Report any
external damage to the shipping company and your local Vertiv™ representative.
Part Part Number Quantity
Top Swivel Cover (Attaches to Frame) 309617P5 1
Bottom Swivel Cover (Attaches to Frame) 309617P6 1
Top Swivel Cover (Attaches to Door) 309617P7 1
Bottom Swivel Cover (Attaches to Door) 309617P8 1
Self-Adhesive Foam 309894P3 1
Fiber Washers 31074P1 2
Condensate Hose Adapter 080090620 1
Spring Nuts 000782699 16
Diamond Nuts 000770869 7
Grounding Wire
000797999 1
000798169 1
Table 1.1 Packing list
1.3 Installation Considerations
The Liebert DCD is designed for attachment to the rear of a computer cabinet with side panels. See
Mechanical Considerations on page13 for details.
NOTE: The cooling with Liebert DCD works only if a strict air separation exists between server cold air
intake and server warm air outlet. Unused rack spaces must be blocked with blanking plates. All
bushings (network cables, piping, etc.) must be sealed to prevent air leakage. Racks must have side
panels. The tops and bottoms of the racks must be sealed.
1.4 Room Preparation
The room should be well-insulated and must have a sealed vapor barrier. The vapor barrier in the ceiling
and walls can be a polyethylene film. Paint on concrete walls and floors should contain either rubber or
plastic.
NOTE: The vapor barrier is the most important factor in maintaining environmental control in the
conditioned space.
Outside or fresh air should be kept to a minimum when temperature and humidity must be tightly
controlled. Outside air adds to the site’s cooling, heating, dehumidifying and humidifying loads. Doors
must be properly sealed to minimize leaks and must not contain ventilation grilles.
Vertiv | Liebert® DCD™ User Manual | 5
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