Vertiv CoolPhase CDU - Page 145

LINE SIZE & PRESSURE RATINGS
REV : 18
REV : 08/2024
DPN000788
Page :3/4
DPN001040_REV6
AIR-COOLED SYSTEMS USING R-454B
Notes:
1. Consult factory for proper line sizing for runs longer than maximum equivalent length shown in table.
2. Must downsize vertical riser one trade size (1-1/8” to 7/8” or 7/8” to 3/4” or 3/4" to 5/8" or 5/8" to 1/2").
3. Consult factory when actual pipe length between Liebert® MC/Liebert® EconoPhase and Liebert® DSE unit will exceed 300 ft (91 m).
4. Liebert® DSE DA250-265 unit can be extended to max 200ft (61m) linear or 300ft. (91m) equivalent.
RECOMMENDED REFRIGERANT LINE SIZES CU, OD
PRODUCT Indoor Model
Equivalent Length
50 ft (15m)
100 ft (30m)
150 ft (45m)
300 ft (91m)
450ft (137m)
Hot Gas Line, in. 1-5/8 1-5/8 1-5/8 1-5/8
Liquid Line, in. 1-3/8 1-3/8 1-3/8 1-3/8
Liebert® DSE DA250 / DA265
System Fluid : R-454B
Any Compressor Type