Question 1 of 6
Intermediate

What is the key design element in Grundfos Distributed Pumping?

Question 2 of 6
Intermediate

How does distributed pumping ensure minimum flow over each chiller?

Question 3 of 6
Intermediate

What is the benefit of aligning primary side flow with secondary side flow?

Question 4 of 6
Intermediate

How much flow is required to achieve almost 80 % of the capacity?

Question 5 of 6
Intermediate

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

Question 6 of 6
Intermediate

With a Distributed Pumping system, does commissioning and balancing

Question 6 of 6
Intermediate

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1: What is the key design element in Grundfos Distributed Pumping?
A new kind of intelligent valve
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1: What is the key design element in Grundfos Distributed Pumping?
The use of intelligent pumps instead of valves
1: What is the key design element in Grundfos Distributed Pumping?
Making bypass lines obsolete
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2: How does distributed pumping ensure minimum flow over each chiller?
By having a differential pressure sensor installed across each chiller
2: How does distributed pumping ensure minimum flow over each chiller?
By running with maximum flow at maximum load
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2: How does distributed pumping ensure minimum flow over each chiller?
By ensuring the primary pump is larger than in a conventional system
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3: What is the benefit of aligning primary side flow with secondary side flow?
To ensure distributed pumps never miss water on the suction side
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3: What is the benefit of aligning primary side flow with secondary side flow?
To avoid increasing pressure in the bypass pipe
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3: What is the benefit of aligning primary side flow with secondary side flow?
To avoid or minimise the ‘low’ Delta T syndrome
4: How much flow is required to achieve almost 80 % of the capacity?
50%
4: How much flow is required to achieve almost 80 % of the capacity?
30%
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4: How much flow is required to achieve almost 80 % of the capacity?
80%
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5: With a single dedicated pump for each terminal unit, which control mode is used?
Proportional pressure
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5: With a single dedicated pump for each terminal unit, which control mode is used?
Proportional pressure or constant temperature – doesn’t matter
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5: With a single dedicated pump for each terminal unit, which control mode is used?
Constant temperature
6: With a Distributed Pumping system, does commissioning and balancing
Take longer
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6: With a Distributed Pumping system, does commissioning and balancing
Become obsolete
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6: With a Distributed Pumping system, does commissioning and balancing
Is done quickly and easily