Display Load Calculation Map

The Display Load Calculation Map command is used to shade each room on the drawing with a relative value based upon the load calculations.

To display a load calculation map in the current drawing, go to

Ribbon: DM HVAC->Load Calculations-> dm_hvac-loadMap Display Load Calculation Map

Pulldown Menu: DM HVAC->Load Calculations->Display Load Calculation Map

Load Calculation Map Dialog Box

Load Calculations--Load Calculation Map dialog box

There are three lists that are used to select what value is used for the map. The Area Type list is used to select the type of area. Changing this value changes the list of values available in Category. The Category list is used to select the main type of value. Changing this value changes the list of values available in Value. The Value list is used to select the specific value that will be mapped.

Room: Displays values for the rooms on the drawing.

Zone: Displays values for the zone on the drawing.

Room Attributes: Maps characteristics of the rooms.

Heating System Load: Maps heating system loads of the rooms.

Heating Room Load: Maps heating room loads of the rooms.

Cooling System Load: Maps cooling system loads of the rooms.

Cooling Room Load: Maps cooling room loads of the rooms.

Zone Attributes: Maps characteristics of the selected zone.

The units for the map are controlled by the choices below the Value list. These options are disabled when Room Attributes or Zone Attributes is selected.

Bth/h / SF: Display the load divided by the area of the room.

Percentage of Total: Display the load divided by the total load of the room.

Btu/h: Display the load of the room.

Inserting the Load Calculation Map

Display Map: Press this button to insert or update the load calculation map on the drawing. If you have recently calculated the loads and not made any changes to your inputs, you can use this button to save time. If you are unsure if you have made any changes, use the Calculate and Display Map button instead.

Calculate and Display Map: Press this button to run the Calculate Building Load Totals command, then insert or update the load calculation map on the drawing. Use this button when you have made changes to your inputs since the last time you ran a calculation.

If the map scale is not currently inserted on the drawing, you will be prompted for the scale insertion location.

Specify scale location:

The location you specify will be used as the top-left corner for the scale.

If the map scale is already inserted on the drawing, it will be updated in its current location.

All of the rooms on the drawing will be shaded according to the scale based upon the value of the room.


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