Question 1 of 4
Intermediate

What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?

Question 2 of 4
Intermediate

With which setting is there no need to install pressure sensors far away from the pump?

Question 3 of 4
Intermediate

What are the three initial costs that are the most important factors for a life cycle cosy calculation for commercial buildings?

Question 4 of 4
Intermediate

Which control mode is used in variable flow systems where the pressure requirement is the same regardless of flow?

Question 4 of 4
Intermediate

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1: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
No energy savings
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1: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
At least 15%
1: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
At least 5%
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2: With which setting is there no need to install pressure sensors far away from the pump?
All the settings
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2: With which setting is there no need to install pressure sensors far away from the pump?
"Quadratic" curve
2: With which setting is there no need to install pressure sensors far away from the pump?
"Linear" curve
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3: What are the three initial costs that are the most important factors for a life cycle cosy calculation for commercial buildings?
Maintenance cost, operating cost and environmental cost
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3: What are the three initial costs that are the most important factors for a life cycle cosy calculation for commercial buildings?
Purchase price, maintenance cost and energy cost
3: What are the three initial costs that are the most important factors for a life cycle cosy calculation for commercial buildings?
Operating cost, energy cost and downtime cost
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4: Which control mode is used in variable flow systems where the pressure requirement is the same regardless of flow?
Constant differential pressure mode
4: Which control mode is used in variable flow systems where the pressure requirement is the same regardless of flow?
Proportional differential pressure mode with a "linear" control curve
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4: Which control mode is used in variable flow systems where the pressure requirement is the same regardless of flow?
Proportional differential pressure mode with a "quadratic" curve
You can find the answer here >