Line Set Size by Tonnage and Length
Line set sizing starts with equipment tonnage, equivalent length and manufacturer limits. The calculator screens a selected suction and liquid line ID for velocity, pressure drop and lift head.
line set size by tonnage and length refrigerant line size calculator by tonnage and length line set sizing by tonnage and length
Mass flow from capacity
m_dot = Q / NRE
Velocity check
v = m_dot / (rho * A)
Manufacturer limit first
Use the current equipment installation manual or long-line guide for approved nominal sizes, maximum length, traps, accessories and capacity derates.
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