1
What is the most commonly used and accessible way of setting up your pump?
3
What does the hysteresis band do?
4
Why are single-stage Grundfos NB/NK pumps usually used in cooling towers?
5
How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
6
Which function can you use to start or stop the fan in the cooling tower?
Test results
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Q: What is the most commonly used and accessible way of setting up your pump?
A: Grundfos GO
Q: What is the most commonly used and accessible way of setting up your pump?
A: The pump’s display
Q: What is the most commonly used and accessible way of setting up your pump?
A: The PC tool
Q: Does fixed-speed operation give you a greater control of energy use?
A: Yes
Q: Does fixed-speed operation give you a greater control of energy use?
A: No
Q: What does the hysteresis band do?
A: It ensures that the fan starts when you exceed a set temperature
Q: What does the hysteresis band do?
A: It determines how low the temperature can be before the fan stops running
Q: What does the hysteresis band do?
A: Nothing – it’s a made-up phrase
Q: Why are single-stage Grundfos NB/NK pumps usually used in cooling towers?
A: To meet requirements for high flow and low pressure
Q: Why are single-stage Grundfos NB/NK pumps usually used in cooling towers?
A: To meet requirements for low flow and high pressure
Q: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
A: None
Q: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
A: 5%
Q: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
A: 20%
Q: Which function can you use to start or stop the fan in the cooling tower?
A: The operating mode function
Q: Which function can you use to start or stop the fan in the cooling tower?
A: The control mode function
Q: Which function can you use to start or stop the fan in the cooling tower?
A: The limit exceed function