1
Why is coil flow always correct in a distributed pumping system?
2
Why is there in most cases no bypass flow with a distributed pumping system?
3
What is the key design element in Grundfos Distributed Pumping?
5
Why must low-pressure non-return valves be installed for each cooling loop with AHU’s?
6
What is the benefit of aligning primary side flow with secondary side flow?
Test results
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01.
Q: Why is coil flow always correct in a distributed pumping system?
A: By using large variable speed-controlled primary pumps
01.
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
01.
Q: Why is coil flow always correct in a distributed pumping system?
A: Because the system runs with maximum flow at maximum load
02.
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
02.
Q: Why is there in most cases no bypass flow with a distributed pumping system?
A: The bypass valve is always closed
02.
Q: Why is there in most cases no bypass flow with a distributed pumping system?
A: The system is never over-pumped
03.
Q: What is the key design element in Grundfos Distributed Pumping?
A: A new kind of intelligent valve
03.
Q: What is the key design element in Grundfos Distributed Pumping?
A: The use of intelligent pumps instead of valves
03.
Q: What is the key design element in Grundfos Distributed Pumping?
A: Making bypass lines obsolete
04.
Q: How much flow is required to achieve almost 80 % of the capacity?
A: 50%
04.
Q: How much flow is required to achieve almost 80 % of the capacity?
A: 30%
04.
Q: How much flow is required to achieve almost 80 % of the capacity?
A: 80%
05.
Q: Why must low-pressure non-return valves be installed for each cooling loop with AHU’s?
A: You don’t need non-return valves – intelligent pumps make all valves redundanteed
05.
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
05.
Q: Why must low-pressure non-return valves be installed for each cooling loop with AHU’s?
A: You only need non-return valves for proportional pressure installations
06.
Q: What is the benefit of aligning primary side flow with secondary side flow?
A: To ensure distributed pumps never miss water on the suction side
06.
Q: What is the benefit of aligning primary side flow with secondary side flow?
A: To avoid increasing pressure in the bypass pipe
06.
Q: What is the benefit of aligning primary side flow with secondary side flow?
A: To avoid or minimise the ‘low’ Delta T syndrome