In Parallel Rack do you separate tubes for each Evaporator?

[Aik]

Thanks 750 Valve!
Ashrae books only says that liquid lines should have 1.5m/s or less (how much less???).

According to Braidert recomendations, velocity in liquid pipe should be in interval of 0.3-1.2 m/s.
In condencer drain line velosity should be less than 0.5 m/s (like 750 Valve said).