This topic contains a solution. Click here to go to the answer

Author Question: What is the purpose of a high pressure switch in a packaged air handler? What will be an ideal ... (Read 100 times)

leo leo

  • Hero Member
  • *****
  • Posts: 566
What is the purpose of a high pressure switch in a packaged air handler?
 
  What will be an ideal response?

Question 2

What is the purpose of a differential enthalpy sensor?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

This switch will shut down the fan if the duct pressure exceeds the set point.

Answer to Question 2

This is used for the economizer section. The airstream with the lowest enthalpy will be directed by dampers through the economizer section.





 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

For a complete list of videos, visit our video library