Question 1 of 6
Intermediate

What does the hysteresis band do?

Question 2 of 6
Intermediate

Does fixed-speed operation give you a greater control of energy use?

Question 3 of 6
Intermediate

The typical choice of Grundfos pump is a single-stage NB/NK pump with what?

Question 4 of 6
Intermediate

How does Grundfos iSOLUTIONS help the pump control the cooling tower?

Question 5 of 6
Intermediate

What does biofilm do?

Question 6 of 6
Intermediate

How much of the 30 % of water lost to evaporation can you potentially save by using the right control?

Question 6 of 6
Intermediate

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1: What does the hysteresis band do?
It ensures that the fan starts when you exceed a set temperature
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1: What does the hysteresis band do?
It determines how low the temperature can be before the fan stops running
1: What does the hysteresis band do?
Nothing – it’s a made-up phrase
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2: Does fixed-speed operation give you a greater control of energy use?
Yes
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2: Does fixed-speed operation give you a greater control of energy use?
No
3: The typical choice of Grundfos pump is a single-stage NB/NK pump with what?
High flow and low pressure
3: The typical choice of Grundfos pump is a single-stage NB/NK pump with what?
High pressure and low flow
You can find the answer here >
4: How does Grundfos iSOLUTIONS help the pump control the cooling tower?
By keeping the pumps running at constant speed
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4: How does Grundfos iSOLUTIONS help the pump control the cooling tower?
Through speed regulation and start/stop functions
4: How does Grundfos iSOLUTIONS help the pump control the cooling tower?
By using powerful fans
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5: What does biofilm do?
It leads to an overdosing of chemials
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5: What does biofilm do?
It reduces the capacity of the cooling tower
5: What does biofilm do?
It leads to scaling
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6: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
None
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6: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
5%
You can find the answer here >
6: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
20%