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How do you prevent pumps from malfunctioning when transporting hot water with a temperature above 120C°?

Question 2 of 5
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What method does Grundfos recommend to control the transference of energy in a heating, cooling, or refrigeration system?

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Which of the following isn’t one of the main benefits of the CM pump range?

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What is the expected payback time of an investment in system optimisation?

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In temperature control, how much higher are running costs compared to capital investment?

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1: How do you prevent pumps from malfunctioning when transporting hot water with a temperature above 120C°?
Equip the pump with external cooling.
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1: How do you prevent pumps from malfunctioning when transporting hot water with a temperature above 120C°?
Equip the pump with either single shaft seals designed to keep hot water away from the deal, double-shaft seals that are actively cooled, or use air-cooled tops to insulate the seal chamber.
1: How do you prevent pumps from malfunctioning when transporting hot water with a temperature above 120C°?
Isolating the pump and install heat tracing.
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2: What method does Grundfos recommend to control the transference of energy in a heating, cooling, or refrigeration system?
Using constant-speed pumps with throttling valves to regulate the amount of water entering the heat exchanger.ng the heat exchanger.
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2: What method does Grundfos recommend to control the transference of energy in a heating, cooling, or refrigeration system?
Installing intelligent pumps equipped with temperature sensors that measure the outlet temperature so the pump can adjust its flow accordingly.r.
2: What method does Grundfos recommend to control the transference of energy in a heating, cooling, or refrigeration system?
Adding a frequency converter and a sensor that monitors and regulates the differential pressure.
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3: Which of the following isn’t one of the main benefits of the CM pump range?
Reliability
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3: Which of the following isn’t one of the main benefits of the CM pump range?
Global usage
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3: Which of the following isn’t one of the main benefits of the CM pump range?
External control
4: What is the expected payback time of an investment in system optimisation?
1-12 months
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4: What is the expected payback time of an investment in system optimisation?
1-5 years
4: What is the expected payback time of an investment in system optimisation?
System optimization is rarely economical valuable but should be done due to environmental concerns.
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5: In temperature control, how much higher are running costs compared to capital investment?
20:1
5: In temperature control, how much higher are running costs compared to capital investment?
By a factor of 100 to 1.
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5: In temperature control, how much higher are running costs compared to capital investment?
By a factor of 50 to 1.
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