Dwyer Instruments SAH Application Software

Series SAH SMART Air Hood™ Balancing Instrument -

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PredictAir

Specications - Installation and Operating Instructions

Application Software

Bulletin TE-SAH-SW

The SERIES SAH SMART Air Hood™ Balancing Instrument is the most accurate and

easy to operate air ow hood on the market. By using the included hood stand and wireless communications to the handheld, a single operator can balance a branch in less time than traditional balancing teams. Besides being lighter than most traditional capture hoods, the ergonomic design makes the Series SAH easy to maneuver, with less physical stress. The rugged polypropylene base hood features patented Quad Flow Design Technology for controlling air ow and minimizing back pressure, which yields superior measurement accuracy. The Wi-Fi direct communication gives reliable communication with a distance of up to 200 yards between the hood and the handheld test instrument. The SMART Air Hood Application Software which reduces the number of steps in the air ow balancing process using Predictive Balancing’s Express Balance mode. Predictive Balancing is a method of predicting the optimal ow set point for each register and the order in which they should be adjusted.

Please see Bulletin TE-SAH for general installation instructions.

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Balancing Instrument includes the PredictAir™

TABLE OF CONTENTS

Setup ............................................................2

Connecting to a Wi-Fi Network......................................2

Setting up a Google Account .......................................3

Updating the PredictAir

Application Preferences ...........................................4

Connecting to the Hood ...........................................4

Importing a Diffuser ..............................................6

Meter Mode .......................................................7

Zeroing the Hood ................................................7

Selecting the Diffuser .............................................8

Manual K-Factor..............................................8

Preferences ....................................................9

Logging Preferences ..........................................9

Hood Information Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Volume Airow Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Temperature Preferences.......................................9

Humidity Preferences .........................................10

Barometer Preferences .......................................10

Overall Preferences ..........................................10

Logging.......................................................10

Predictive Balancing................................................12

Branches .....................................................12

Branches Menu .............................................13

Add Registers..................................................14

Balancing Procedure ............................................16

Final Results Menu...........................................18

FCC/Industry Canada Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

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Application Software..........................4

DWYER INSTRUMENTS, INC.

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.

Phone: 219/879-8000

Fax: 219/872-9057

www.dwyer-inst.com

e-mail: info@dwyermail.com

I. SETUP

To be able to update the PredictAir created so that the application can be updated from Google Play

connect to Google Play

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store a connection to a Wi-Fi network must be established.

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Application Software, a Google account must be

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store. To properly

CONNECTING TO A WI-FI NETWORK

First, press the application icon on the home screen (should look similar to the below image).

Then nd the settings icon and click on it.

Next, choose a local Wi-Fi network to connect to.

Enter in the password to connect to the Wi-Fi access point.

Next, press Wi-Fi to enter into the Wi-Fi settings.

The handheld will now be connected to the Wi-Fi network.

SETTING UP A GOOGLE ACCOUNT

First, go back to main Settings screen and choose the “Add account” option.

Select Google.

If you have a Google account select “Existing” and enter in your account information to register your Google account to the device. If you do not have a Google account follow the guide below to add one.

First, press “New” and follow the on screen prompts.

When the account is created you might need to do an authentication check to activate the account. The notice will be in the pull down menu on the device. Press the notication and follow the instructions to activate the account.

If the account was created correctly the following screen will show your new account.

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UPDATING THE PREDICTAIR

Now that a Wi-Fi connection is established and a Google account is tied to the handheld instrument, the Google Play

Open Google Play

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store from the applications.

APPLICATION SOFTWARE

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store can now be accessed.

APPLICATION PREFERENCES

When the application is rst opened, the following screen will be shown.

Touch to edit the default units

of these elds

Touch to save the preferences and go to the app’s main page

The “Show preferences on startup?” checkbox gives the choice for this screen to continue being shown whenever the application is opened. If it’s not checked, then the app will open directly to the main screen.

The “Pocket Protection” option prevents unwanted key presses. When activated, if an object covers the screen then the screen will go black and any buttons become inactive. When the object is pulled away from the screen, then the screen will return back to its previous state. This should protect the work from being interrupted when the device is placed in a pocket or other carrying method.

The Preferences can otherwise be located in the main menu by sliding a nger from the left edge of the screen towards the right, pressing the menu button, or pressing the 3 lines at the top of the page and selecting “App Preferences”.

Search for PredictAir

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Application Software and press it.

Press the “UPDATE” button to update the application.

CONNECTING TO THE HOOD

Once the handheld instrument is on, open the PredictAir the main application screen, press the SMART AIR HOOD connect to the air ow hood.

found

If no paired hoods

If paired hoods found

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Application Software. From

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CONNECTION button to

The PredictAir™ Application Software should now be up to date.

If no paired hoods are found the app will start searching for a hood to allow connection, otherwise press the SEARCH button to search for hoods to allow pairing.

As the app discovers hoods, they will be added to the list under “Found SMART Airow Hoods”.

Select the hood that is to be paired. Note: More than one line can be selected to pair multiple hoods at the same time.

Press “CONNECT” to start the process of establishing the link between the handheld device and the hood. This will bring up a dialog box while the process of establishing the connection is performed. Pressing the cancel or back button will return to the paired screen without establishing a connection.

Once the connection is established, the dialog will automatically close. This will return the application back to the paired devices screen with a green icon and white star (default hood) indicating the hood has been connected to the handheld.

Once the desired hood(s) are selected, press the ADD button.

To connect to the desired hood press the hood’s name in the Paired SMART Airow Hoods list. This will bring up a dialog box that allows for the choice to connect, delete, or cancel the action.

To disconnect from the current hood press on the white star. The Disconnect dialog comes up, which allows for the hood to be disconnected. If “No” is selected, the dialog will be closed without any other action being taken. If “Yes” is selected, the hood will be disconnected, but still paired.

If a different hood is pressed, the Connection dialog box will appear. If “Connect” is selected, the rst hood is disconnected and the second hood is connected. If “Delete” is selected, that hood will be removed from the Paired SMART Airow Hoods list.

IMPORTING A DIFFUSER

Diffusers can be imported to the application by the following instructions.

Load the diffuser into a directory on the device. This has to be a zipped le obtained from the Dwyer Instruments, Inc. website.

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Open the PredictAir

Application Software.

Go to the directory where the diffuser list was put on the handheld instrument.

Select the diffuser list to import.

Slide a nger from the left edge of the screen towards the right, press the menu button, or press the 3 lines at the top of the page to open the main menu’s options, and select “Import Diffuser List”.

The app will import the diffuser list.

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