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INSTALLERUSER
MAINTENANCE TECHNICIAN
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53
Head available to the system (direct zone)
Key:
A = Available head
B = Absorbed power by the circulator
(dotted area)
Circulator pump absorbed power (W)Circulator pump absorbed power (W)
Flow rate (l/h)
Flow rate (l/h)
Head (kPa)Head (kPa)
Speed MIN
Speed MIN
B
B
Constant head (ΔP C).
Proportional head (ΔP V).
Speed MAX
Speed MAX
A
A