Question 1 of 6
Intermediate

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

Question 2 of 6
Intermediate

Is the SQE pump able to provide constant pressure?

Question 3 of 6
Intermediate

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

Question 4 of 6
Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 5 of 6
Intermediate

Which protection features does the SQE have?

Question 6 of 6
Intermediate

Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?

Question 6 of 6
Intermediate

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1: 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.
1: Why is it important to protect the pump from over- and under voltage?
To avoid burning the house fuses.
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1: Why is it important to protect the pump from over- and under voltage?
To minimise the power consumption.
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2: Is the SQE pump able to provide constant pressure?
No.
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2: Is the SQE pump able to provide constant pressure?
Yes.
3: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 10 %
3: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 15 %
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3: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 20 %
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4: Which submersible pump was replaced with a Grundfos SQ?
A 4” submersible pump 
4: Which submersible pump was replaced with a Grundfos SQ?
A 3” submersible pump
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4: Which submersible pump was replaced with a Grundfos SQ?
A 5” submersible pump 
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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: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
Groundwater lowering & Irrigation
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6: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
Domestic water supply & Groundwater lowering
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6: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
Domestic water supply & Irrigation