6 questions Intermediate

ECADEMY test

69 - The Grundfos Distributed Pumping Course

This course test contains 6 questions and can be retaken at any time.

You must answer all questions correctly to pass the test and complete the course.

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Question 1 of 6 Intermediate

Why is there in most cases no bypass flow with a distributed pumping system?

Question 3 of 6 Intermediate

With a single dedicated pump for each terminal unit, which control mode is used?

Question 4 of 6 Intermediate

What is the key design element in Grundfos Distributed Pumping?

Question 6 of 6 Intermediate

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Correct
Q: Why is there in most cases no bypass flow with a distributed pumping system?
A: Because primary pumps try to match primary flow and secondary flow
Correct
Q: Why is coil flow always correct in a distributed pumping system?
A: Because Magna 3 pump speed is modulated based on terminal unit load
Correct
Q: With a single dedicated pump for each terminal unit, which control mode is used?
A: Constant temperature
Correct
Q: What is the key design element in Grundfos Distributed Pumping?
A: The use of intelligent pumps instead of valves
Correct
Q: How does distributed pumping ensure minimum flow over each chiller?
A: By having a differential pressure sensor installed across each chiller
Correct
Q: What is the benefit of aligning primary side flow with secondary side flow?
A: To avoid or minimise the ‘low’ Delta T syndrome