Vertiv Liebert XD Series, System Design Manual

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Figure 6.4 Double discharge riser layout
Contact your local Liebert representative for factory approval whenever a refrigerant piping run exceeds
200 feet (60m) equivalent length or when condensers must be installed below the level of the cooling coil.
For Air-Cooled Liebert Lee-Temp / Flood Back Head Pressure Control Units Only
WARNING! Risk of explosive discharge from high-pressure refrigerant. Can cause injury or
death.
This unit contains fluids and/or gases under high pressure.
Relieve pressure before working with piping.
NOTICE
Risk of refrigerant contamination. Can cause equipment damage and operational problems.
Refrigerant R-407C is a blend of three components and must be introduced and charged from
the cylinder only as a liquid.
Vertiv | Liebert® Xtreme Density™ System Design Manual | 124