Question 1 of 6
Intermediate

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

Question 2 of 6
Intermediate

How does the integrated dry-running protection work?

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

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

Question 5 of 6
Intermediate

Which protection features does the SQE have?

Question 6 of 6
Intermediate

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

Question 6 of 6
Intermediate

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1: How long did it take to replace the pump with a Grundfos SQ?
30 minutes
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1: How long did it take to replace the pump with a Grundfos SQ?
60 minutes
1: How long did it take to replace the pump with a Grundfos SQ?
90 minutes
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2: How does the integrated dry-running protection work?
It automatically restarts 3 minutes after shut down.
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2: How does the integrated dry-running protection work?
It prevents sand from damaging the pump.
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2: How does the integrated dry-running protection work?
It automatically shuts down the pump if water shortage is detected.
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: What happens if the water level in the well drops below the inlet?
The motor power consumption drops
4: What happens if the water level in the well drops below the inlet?
The motor power consumption stays the same
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4: What happens if the water level in the well drops below the inlet?
The motor power consumption increases
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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: 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.
6: Why is it important to protect the pump from over- and under voltage?
To avoid burning the house fuses.
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6: Why is it important to protect the pump from over- and under voltage?
To minimise the power consumption.
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