Question 1 of 6
Intermediate

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

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?

Question 4 of 6
Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 5 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 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: What happens if the water level in the well drops below the inlet?
The motor power consumption drops
1: What happens if the water level in the well drops below the inlet?
The motor power consumption stays the same
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1: What happens if the water level in the well drops below the inlet?
The motor power consumption increases
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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: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In wells with water temperature up to 60° C.
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3: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In installations that require constant pressure.
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3: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In original 4” boreholes where sediments over the years have narrowed the hole.
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: 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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5: 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.
5: 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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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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