Question 1 of 6
Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 2 of 6
Intermediate

What is the benefit of a slow increase in speed?

Question 3 of 6
Intermediate

What happens if the static water level is too low?

Question 4 of 6
Intermediate

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

Question 5 of 6
Intermediate

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

Question 6 of 6
Intermediate

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

Question 6 of 6
Intermediate

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1: Which submersible pump was replaced with a Grundfos SQ?
A 4” submersible pump 
1: Which submersible pump was replaced with a Grundfos SQ?
A 3” submersible pump
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1: Which submersible pump was replaced with a Grundfos SQ?
A 5” submersible pump 
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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: 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: 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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4: 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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4: 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.
5: 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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5: 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
5: 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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6: How long did it take to replace the pump with a Grundfos SQ?
30 minutes
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6: How long did it take to replace the pump with a Grundfos SQ?
60 minutes
6: How long did it take to replace the pump with a Grundfos SQ?
90 minutes
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