Setting Up
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89217391 Rev. A
©2022 nVent
9.6.3.3
Using external fill kit
Pre-fill requirements
1.
Determine total system volume to be filled accounting for the CDU as well as
the customer supplied items (hoses, piping, manifolds, etc…)
NOTE
Estimated system volume of the secondary loop on the CDU800 is 100 l
(26.4 Gal)
2.
Prepare fill kit or external filling device with enough coolant to meet the
requirement identified in the previous step
3.
Confirm system has been fully installed (i.e. all plumbing has been attached,
electrical connections have been completed, etc.)
Critical component identification
Abb. 23: RackChiller CDU800 critical components
1
Pump outlet valve
2
Pump inlet valve
3
Secondary bypass valve
4
Secondary return
5
Drain/fill port
6
Secondary supply
7
Pump inlet valve
8
Purge hose
9
Pump outlet valve
10
Air purge port
