Question 1 of 6
Intermediate

What happens if the water level in the well drops below the inlet?

Question 2 of 6
Intermediate

What is the benefit of a slow increase in speed?

Question 3 of 6
Intermediate

Why is it important to protect the pump from over- and under voltage?

Question 4 of 6
Intermediate

In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?

Question 5 of 6
Intermediate

Why must the pump unit be installed below the dynamic water table?

Question 6 of 6
Intermediate

Which of these isn’t a key dry-run protection benefit for the installer?

Question 6 of 6
Intermediate

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1: What happens if the water level in the well drops below the inlet?
The motor power consumption drops
1: What happens if the water level in the well drops below the inlet?
The motor power consumption stays the same
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1: What happens if the water level in the well drops below the inlet?
The motor power consumption increases
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2: What is the benefit of a slow increase in speed?
It keeps the motor current low
2: What is the benefit of a slow increase in speed?
It keeps pump movements at a minimum
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2: What is the benefit of a slow increase in speed?
It removes the need for motor contactors
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3: Why is it important to protect the pump from over- and under voltage?
Because large variations in power supply will damage the motor over time.
3: Why is it important to protect the pump from over- and under voltage?
To avoid burning the house fuses.
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3: Why is it important to protect the pump from over- and under voltage?
To minimise the power consumption.
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4: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
Soft start reduces over-pressure in your piping.
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4: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
It reduces the occurrence of water hammer in the pipes and minimises wear during start-up.
4: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
Soft start prevents the motor from getting warm.
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5: Why must the pump unit be installed below the dynamic water table?
So you are sure to minimise your power bill.
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5: Why must the pump unit be installed below the dynamic water table?
To avoid the risk of dry-running during operation.
5: Why must the pump unit be installed below the dynamic water table?
To maintain a stable pressure in the system.
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6: Which of these isn’t a key dry-run protection benefit for the installer?
The installer can avoid costly callbacks
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6: Which of these isn’t a key dry-run protection benefit for the installer?
The installer doesn’t have to worry about additional components
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6: Which of these isn’t a key dry-run protection benefit for the installer?
The installer doesn’t have to worry about water bursts