Figure 2.12 Refrigerant piping diagram
Nominal
System Size
Tons
Max. Equiv.
Pipe Length
ft. (m)
Maximum PFH
Level Above
Evaporator, ft. (m)
Maximum PFH Level
Below Evaporator, ft.
(m)
1, 1.5, 2 150 (45) 40 (12) 15 (4.6)
3, 3.5, 5, 8 150 (45) 50 (15) 15 (4.6)
Table 2.5 Pipe length and condenser elevation relative to evaporator
Vertiv | Liebert PFH Installer/User Guide | 16