6 questions Intermediate

ECADEMY test

The Grundfos Distributed Pumping Course

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

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Question 1 of 6 Intermediate

1 What is the key design element in Grundfos Distributed Pumping?

Question 2 of 6 Intermediate

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

Question 6 of 6 Intermediate

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

Question 6 of 6 Intermediate

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Correct
Q: What is the key design element in Grundfos Distributed Pumping?
A: The use of intelligent pumps instead of valves
Correct
Q: With a single dedicated pump for each terminal unit, which control mode is used?
A: Constant temperature
Correct
Q: Why must low-pressure non-return valves be installed for each cooling loop with AHU’s?
A: To avoid backflow in case the AHU unit is out of operation
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: What is the benefit of aligning primary side flow with secondary side flow?
A: To avoid increasing pressure in the bypass pipe
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