Kingspan Temperature differential controller - Page 16

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Characteristics of high-efficiency pumps
Display Pump type Characteristic curve
AA
High-efficiency pump with a PWM profile
for a rising characteristic curve (Fig. 6)
0% PWM: Pump off
100% PWM: Max. pump speed
Ab
High-efficiency pump with a PWM profile
for a falling characteristic curve (Fig. 6)
0% PWM: Max. pump speed
100% PWM: Pump off
C
Pressure regulated high-efficiency pump –
(no control cable, switching on/off
via the supply voltage)
Tab. 2: Characteristics of high-efficiency pumps
PWM %
RPM
PWM %
RPM
Fig. 6: Characteristics of high-efficiency pumps with PWM profiles for a rising characteristic curve
(AA, left) and a falling characteristic curve (Ab, right)