Understanding Sensorless Pumps & Variable Speed Drive Pumps
a) Adjust the motor speed to match what is required by the system
b) Provide a gentle ramp up and down in speed to eliminate surges
c) Monitor and protect the motor and the load
d) All of the Above
a) Proportional balance capability
b) Valved readout ports
c) Memory Stop
d) B & C
e) All of the Above