unit 79 HW.docx - ZOOM Unit 79 Commercial Zoned Systems 1...

This preview shows page 1 - 2 out of 2 pages.

ZOOM Unit 79 Commercial Zoned Systems 1. Why is outside air mixed with return air? If only outside air is used the load on the heating or cooling system would be excessive. 2. How much outside air should be admitted to a space? Number of people of the space and the using of the space. 3. Can outside air ever be completely shut off from a space? Normally the outside air supply is never shut off because some air should always be applied to the space. 4.

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture