Question 1 of 6
Intermediate

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

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

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

Question 5 of 6
Intermediate

Is the SQE pump able to provide constant pressure?

Question 6 of 6
Intermediate

What is the most commonly used starting method for motors in 4” conventional pumps?

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: 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: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 10 %
4: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 15 %
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4: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 20 %
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5: Is the SQE pump able to provide constant pressure?
No.
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5: Is the SQE pump able to provide constant pressure?
Yes.
6: What is the most commonly used starting method for motors in 4” conventional pumps?
Direct on line
6: What is the most commonly used starting method for motors in 4” conventional pumps?
Star delta starters
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6: What is the most commonly used starting method for motors in 4” conventional pumps?
Auto transformer
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