Question 1 of 6
Intermediate

Which of these isn’t a key dry-run protection benefit for the installer?

Question 2 of 6
Intermediate

How does the integrated dry-running protection work?

Question 3 of 6
Intermediate

What happens if the static water level is too low?

Question 4 of 6
Intermediate

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

Question 5 of 6
Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 6 of 6
Intermediate

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

Question 6 of 6
Intermediate

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1: Which of these isn’t a key dry-run protection benefit for the installer?
The installer can avoid costly callbacks
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1: Which of these isn’t a key dry-run protection benefit for the installer?
The installer doesn’t have to worry about additional components
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1: Which of these isn’t a key dry-run protection benefit for the installer?
The installer doesn’t have to worry about water bursts
2: How does the integrated dry-running protection work?
It automatically restarts 3 minutes after shut down.
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2: How does the integrated dry-running protection work?
It prevents sand from damaging the pump.
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2: How does the integrated dry-running protection work?
It automatically shuts down the pump if water shortage is detected.
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: How long did it take to replace the pump with a Grundfos SQ?
30 minutes
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4: How long did it take to replace the pump with a Grundfos SQ?
60 minutes
4: How long did it take to replace the pump with a Grundfos SQ?
90 minutes
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5: Which submersible pump was replaced with a Grundfos SQ?
A 4” submersible pump 
5: Which submersible pump was replaced with a Grundfos SQ?
A 3” submersible pump
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5: Which submersible pump was replaced with a Grundfos SQ?
A 5” submersible pump 
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6: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Four times higher
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6: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Six times higher
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6: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Seven times higher