Roof Master Schedule
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The roof master schedule contains the roof types that might be used by a company on a project. See thesection for more information about using master databases.
To create and modify roof types in the master schedule, go to
DM HVAC->Building Definition->Floors & Roofs->Roof Master Schedule
Roof Master Schedule Dialog Box
See the Rename, Find, Previous, Next, New, Copy, Save and Delete buttons.section for more information about how this dialog box works. This section describes the
See thesection for more information about importing glass from a project to the master database.
Current Group: The active glass type group is listed here. All the roof types that are created and modified will be associated with this group.
Select Group: Press this button to open the Roof Master Schedule Groups dialog box. The group selected will become the current group. See the section for more information.
Roof Type: The name of the roof type.
U-Value: The heat transfer coefficient of the roof.
ASHRAE Wall Type: The type of wall used to determine the rate of solar heat transfer through the wall. The CLTD method is based upon 15 different walls types, numbered from 1 to 16 (skipping 8). The walls are roughly ordered so that type 1 is the lightest construction and type 16 is the heaviest. Heat is transferred more quickly through light walls. Heavy walls absorb the heat and release it into more slowly into the room.
The wall types are defined in Table 33A in 1997 ASHRAE Fundamentals Handbook, pages 28.46 - 28.48.
Color: The color of the roof. It is recommended by the CLTD method that you choose Dark and not adjust the wall load based upon the color.
Description: A longer description of the roof type. Displayed when selecting the roof type and in the Roof Types table of the Building Definition print out.
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