In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
Which of these isn’t a key dry-run protection benefit for the installer?
The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
What is the most commonly used starting method for motors in 4” conventional pumps?
Why must the pump unit be installed below the dynamic water table?
How many times higher than nominal speed does the motor current reach during the first milliseconds?
Test results
Q: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
A: Soft start reduces over-pressure in your piping.
Q: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
A: It reduces the occurrence of water hammer in the pipes and minimises wear during start-up.
Q: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
A: Soft start prevents the motor from getting warm.
Q: Which of these isn’t a key dry-run protection benefit for the installer?
A: The installer can avoid costly callbacks
Q: Which of these isn’t a key dry-run protection benefit for the installer?
A: The installer doesn’t have to worry about additional components
Q: Which of these isn’t a key dry-run protection benefit for the installer?
A: The installer doesn’t have to worry about water bursts
Q: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
A: In wells with water temperature up to 60° C.
Q: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
A: In installations that require constant pressure.
Q: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
A: In original 4” boreholes where sediments over the years have narrowed the hole.
Q: What is the most commonly used starting method for motors in 4” conventional pumps?
A: Direct on line
Q: What is the most commonly used starting method for motors in 4” conventional pumps?
A: Star delta starters
Q: What is the most commonly used starting method for motors in 4” conventional pumps?
A: Auto transformer
Q: Why must the pump unit be installed below the dynamic water table?
A: So you are sure to minimise your power bill.
Q: Why must the pump unit be installed below the dynamic water table?
A: To avoid the risk of dry-running during operation.
Q: Why must the pump unit be installed below the dynamic water table?
A: To maintain a stable pressure in the system.
Q: How many times higher than nominal speed does the motor current reach during the first milliseconds?
A: Four times higher
Q: How many times higher than nominal speed does the motor current reach during the first milliseconds?
A: Six times higher
Q: How many times higher than nominal speed does the motor current reach during the first milliseconds?
A: Seven times higher