Question 1 of 6
Intermediate

By how much does the supply voltage decrease before the motor contactor stops the pump?

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

Why is correct sizing of the submersible pump important?

Question 4 of 6
Intermediate

How long did it take to replace the pump with a Grundfos SQ?

Question 5 of 6
Intermediate

Which protection features does the SQE have?

Question 6 of 6
Intermediate

Is the SQE pump able to provide constant pressure?

Question 6 of 6
Intermediate

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1: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 10 %
1: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 15 %
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1: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 20 %
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2: Which of these isn’t a key dry-run protection benefit for the installer?
The installer can avoid costly callbacks
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2: 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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2: Which of these isn’t a key dry-run protection benefit for the installer?
The installer doesn’t have to worry about water bursts
3: Why is correct sizing of the submersible pump important?
Because an undersized pump will not be able to deliver the required flow and pressure and an oversized pump reduces energy efficiency, which increases operational costs.
3: Why is correct sizing of the submersible pump important?
Because too small a pump will pump the well dry.
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3: Why is correct sizing of the submersible pump important?
Because too big a pump will ruin the taps due to too high pressure.
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4: How long did it take to replace the pump with a Grundfos SQ?
30 minutes
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4: How long did it take to replace the pump with a Grundfos SQ?
60 minutes
4: How long did it take to replace the pump with a Grundfos SQ?
90 minutes
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5: Which protection features does the SQE have?
Voltage handling, soft start, dry-running protection and overload protection.
5: Which protection features does the SQE have?
Protection against the well running dry.
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5: Which protection features does the SQE have?
The SQE does not have any protection features.
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6: Is the SQE pump able to provide constant pressure?
No.
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6: Is the SQE pump able to provide constant pressure?
Yes.