•
Field-Installed Flexible Piping
—Field-installed flexible piping kits for use with prefabricated
piping assemblies are available in lengths of 4, 6, 8 and 10 feet (1.2, 1.8, 2.4 and 3 meters).
Connection style to the module end may be straight or 90 degrees with one-shot or removable
connections.
Flex pipes with one-shot connections will have pressurized R134a. Flex pipes with removable
connections will have a low-pressure nitrogen charge. Connection to the prefabricated piping
assembly is with a threaded coupler. For information on acquiring the correct kit for your
installation, refer to DPN000781, available from Liebert by calling 1-800-LIEBERT and from
your local Vertiv representative.
4.14 Liebert XDR Installation Considerations
Panels must be installed on the top and bottom of the rack to ensure that the air flows across the Liebert
XDR’s coils. If the panels are not installed, heated air will bypass the coils, drastically reducing the
performance of the Liebert XDR.
Degrees F
Degrees C
Air flow
(cfm)
EAT
(°F)
Capacity
(kW)
LAT
(°F)
Air flow
(cfm)
EAT
(°C)
Capacity
(kW)
LAT
(°C)
1500
86.0
10.3
63.6
1500
30
10.3
17.5
1500
95.0
13.4
65.9
1500
35
13.4
18.9
1500
104.0
16.4
68.4
1500
40
16.4
20.2
1500
122.0
22.5
73.1
1500
50
22.5
22.9
1600
87.8
10.5
66.4
1600
31
10.5
19.1
1600
95.0
13.1
68.4
1600
35
13.1
20.2
1600
104.0
16.2
70.9
1600
40
16.2
21.6
1600
118.4
21.3
75.0
1600
48
21.3
23.9
1800
86.0
10.7
66.7
1800
30
10.7
19.3
1800
95.0
14.1
69.4
1800
35
14.1
20.8
1800
104.0
17.5
72.3
1800
40
17.5
22.4
1800
114.8
21.6
75.7
1800
46
21.6
24.3
2000
84.2
10.6
66.9
2000
29
10.6
19.4
2000
95.0
15.0
70.5
2000
35
15.0
21.4
2000
104.0
18.6
73.6
2000
40
18.6
23.1
2000
111.2
21.5
76.1
2000
44
21.5
24.5
2000
82.4
10.9
64.6
2000
28
10.9
18.1
2000
95.0
16.0
68.9
2000
35
16.0
20.5
2000
104.0
19.6
72.0
2000
40
19.6
22.2
2000
113.0
23.3
75.1
2000
45
23.3
23.9
2200
82.4
10.4
66.9
2200
28
10.4
19.4
2200
95.0
15.8
71.6
2200
35
15.8
22.0
2200
104.0
19.6
75.0
2200
40
19.6
23.9
Table 4.1 Cooling capacity, 1500-3000 cfm air flow
Vertiv
| Liebert® Xtreme Density™ System Design Manual |
82
Summary of Contents for Liebert XD Series
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