Question 1 of 6
Intermediate

Where is domestic groundwater extraction typically relevant?

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

Why is it important to protect the pump from over- and under voltage?

Question 4 of 6
Intermediate

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

Question 5 of 6
Intermediate

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

Question 6 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

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1: Where is domestic groundwater extraction typically relevant?
In big cities.
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1: Where is domestic groundwater extraction typically relevant?
In remote areas where it is too costly to extend the municipal water supply to just a few houses.
1: Where is domestic groundwater extraction typically relevant?
In smaller and medium sized towns.
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2: What is a key installer benefit of the voltage protection in SQ/SQE?
Steady water supply
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2: What is a key installer benefit of the voltage protection in SQ/SQE?
Faster installation
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2: What is a key installer benefit of the voltage protection in SQ/SQE?
Fewer service visits
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: 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: 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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5: Why must the pump unit be installed below the dynamic water table?
To avoid the risk of dry-running during operation.
5: Why must the pump unit be installed below the dynamic water table?
To maintain a stable pressure in the system.
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6: 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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6: 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
6: 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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