What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
Which control mode is used in variable flow systems where the pressure requirement is the same regardless of flow?
What's the payback time for the high initial cost of the most economical system?
Which element is the most expensive of them all?
Test results
Q: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
A: No energy savings
Q: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
A: At least 15%
Q: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
A: At least 5%
Q: Which control mode is used in variable flow systems where the pressure requirement is the same regardless of flow?
A: Constant differential pressure mode
Q: Which control mode is used in variable flow systems where the pressure requirement is the same regardless of flow?
A: Proportional differential pressure mode with a "linear" control curve
Q: Which control mode is used in variable flow systems where the pressure requirement is the same regardless of flow?
A: Proportional differential pressure mode with a "quadratic" curve
Q: What's the payback time for the high initial cost of the most economical system?
A: 1-2 years
Q: What's the payback time for the high initial cost of the most economical system?
A: Less than a year
Q: What's the payback time for the high initial cost of the most economical system?
A: 2-3 years
Q: Which element is the most expensive of them all?
A: Purchase price
Q: Which element is the most expensive of them all?
A: Energy cost
Q: Which element is the most expensive of them all?
A: Maintenance cost