26
15
CIRCULATOR’S CURVES
15.1
MODELS HP_OWER 250N – 350N
Configuration with integrated circulator, control via PWM1 signal
Configuration with auto-adaptive circulator (with the
possibility of choice between constant
∆
P and variable
∆
P)
15.2
MODEL HP_OWER 500N
Configuration with integrated circulator, control via 0-10 volt
analogic signal
Configuration with auto-adaptive circulator (with the
possibility of choosing between constant
P and variable
P)
Head pressure
Input power P1
Head pressure
Input power P1