Question 1 of 6
Intermediate

Why must the pump unit be installed below the dynamic water table?

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?

Question 4 of 6
Intermediate

What is a key installer benefit of the voltage protection in SQ/SQE?

Question 5 of 6
Intermediate

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

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 must the pump unit be installed below the dynamic water table?
So you are sure to minimise your power bill.
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1: Why must the pump unit be installed below the dynamic water table?
To avoid the risk of dry-running during operation.
1: Why must the pump unit be installed below the dynamic water table?
To maintain a stable pressure in the system.
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2: How long did it take to replace the pump with a Grundfos SQ?
30 minutes
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2: How long did it take to replace the pump with a Grundfos SQ?
60 minutes
2: How long did it take to replace the pump with a Grundfos SQ?
90 minutes
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3: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
Soft start reduces over-pressure in your piping.
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3: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
It reduces the occurrence of water hammer in the pipes and minimises wear during start-up.
3: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
Soft start prevents the motor from getting warm.
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4: What is a key installer benefit of the voltage protection in SQ/SQE?
Steady water supply
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4: What is a key installer benefit of the voltage protection in SQ/SQE?
Faster installation
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4: What is a key installer benefit of the voltage protection in SQ/SQE?
Fewer service visits
5: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Four times higher
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5: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Six times higher
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5: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Seven times higher
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