Question 1 of 6
Intermediate

How many times higher than nominal speed does the motor current reach during the first milliseconds?

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

What happens if the static water level is too low?

Question 4 of 6
Intermediate

What must the supply voltage lie between in order for the SQ/SQE pump to deliver a flow of water?

Question 5 of 6
Intermediate

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

Question 6 of 6
Intermediate

Which protection features does the SQE have?

Question 6 of 6
Intermediate

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1: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Four times higher
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1: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Six times higher
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1: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Seven times higher
2: 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.
2: Why is it important to protect the pump from over- and under voltage?
To avoid burning the house fuses.
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2: Why is it important to protect the pump from over- and under voltage?
To minimise the power consumption.
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3: What happens if the static water level is too low?
The pump overheats
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3: What happens if the static water level is too low?
The water level is brought down below the inlet of the pump
3: What happens if the static water level is too low?
The motor shuts down
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4: What must the supply voltage lie between in order for the SQ/SQE pump to deliver a flow of water?
Between 100 V and 250 V
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4: What must the supply voltage lie between in order for the SQ/SQE pump to deliver a flow of water?
Between 150 V and 315 V
4: What must the supply voltage lie between in order for the SQ/SQE pump to deliver a flow of water?
Between 230 V and 400 V
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5: How long did it take to replace the pump with a Grundfos SQ?
30 minutes
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5: How long did it take to replace the pump with a Grundfos SQ?
60 minutes
5: How long did it take to replace the pump with a Grundfos SQ?
90 minutes
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6: Which protection features does the SQE have?
Voltage handling, soft start, dry-running protection and overload protection.
6: Which protection features does the SQE have?
Protection against the well running dry.
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6: Which protection features does the SQE have?
The SQE does not have any protection features.
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