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Appendix A
Performing Common Tasks with HAP
1. While editing data in the Space Input Form on the "Internals" tab, press the "Schedule" button next to
any one of the Schedule drop-down lists. The input form for the currently selected schedule will
appear and changes can be made to that schedule.
2. Make changes to the schedule.
3. Click the OK button to save the changes and return to the space input form.
Note that this special feature can only be used to edit the following kinds of items:
While Entering Data
In the Following Form:
Spaces
Spaces
Spaces
Spaces
Spaces
Spaces
Systems
Systems
*Systems
*Systems
*Plants
*Electric Rates
*Fuel Rates
*Buildings
*Buildings
*Buildings
You Can Edit the Following
Kinds of New Data Items:
Schedules (Fractional)
Walls
Roofs
Windows
Doors
External Shading
Schedules (Fractional)
Schedules (Fan/Thermostat)
Cooling Towers
Boilers
Boilers
Schedules (Time-Of-Day Utility Rate)
Schedules (Time-Of-Day Utility Rate)
Schedules (Fractional)
Electric Rates
Fuel Rates
*Items marked with an asterisk are available in HAP but not HAP System Design Load.
A.4 USING THE ON-LINE CALCULATOR TO ENTER DATA
While entering data, you may encounter situations in which you don’t have data for an input item, but
you have related information. For example, when entering the space floor area you may know the length
and width of the floor but not its area. Rather than calculate the floor area by hand, you can use an
on-line calculator to calculate the value and insert it into the input item.
For HAP users, most numeric inputs in the energy analysis portions of the program (plants, buildings,
chillers, cooling towers, boilers, electric rates and fuel rates) provide an integrated on-line calculator. To
use this calculator, simply enter an equation followed by the equal sign. For example, if you want to
multiply 20 by 9, type the equation 20*9=. When you press the [=] key the equation will be calculated
and the result (180) will be inserted into the input item. The calculator recognizes the following
mathematical symbols:

Multiplication: *

Division: /

Addition: + Example: 46.1+85.9=

Subtraction: -
Example: 20*9=
Example: 100/5=
Example: 100-84=
In addition, compound equations can be entered if necessary. For example: 100-9*8+12=
A-4
HAP Quick Reference Guide