Immergas VICTRIX OMNIA Instructions And Recommendations page 37

Total head available to the system.
C
Key (Fig. 35):
A+B = Head available with by-pass closed
B = Head available with by-pass open
C+D = Power absorbed by the pump with by-pass closed (dotted area)
D = Power absorbed by the pump with by-pass open (dotted area)
A
D
B
Flow rate (l/h)
Speed (Fig. 35):
v6 = Speed 6
v9 = Speed 9
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