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Erforming, Alculations, Performing heat loss calculations – Slant/Fin Hydronic Explorer 2 User Manual

Page 12

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Heat Loss Express

Performing Heat Loss Calculations

When working on a new project, the first step is to create a new job as follows:

1. In

the

Heat Loss Express toolbar, click on the plus (+) icon in

Jobs. The Units of Measure dialog box is displayed. U.S.
Standard
is automatically selected.

Units of Measure

2. Keep

U.S. Standard or click on S.I. Metric. Click OK. The

Create New Job screen is displayed.



Create New Job Screen


Note the following:

Indoor Temp.is the minimum indoor temperature (

o

F) to be maintained by the heating system.

You must determine the correct Outdoor Temp. (

o

F) and Altitude (Ft.) for use in boiler selection

for the job’s geographical location. Outdoor design temperature data is available from the
Hydronic Institute Division of GAMA in their H-22 Heat Loss Guide. Visit the I=B=R
publications page on their website at

http://www.gamanet.org/publist/hydroordr.htm

to order a

copy of H-22.

The system will automatically enter 180 (

o

F) as the default value for System Design Water

Temp. This can be changed if required.

New Room Screen

3. Enter all of the required data then click OK. The New Room

screen is displayed.

8

Slant/Fin Corporation