OWNER’S MANUAL
MODEL DH5F-333WND – HHC FOR WENDY’S MODERN LAYOUT
MODEL DH5G-3333WND AND DH5H-3WND – HHC FOR WENDY'S IMAGE LAYOUT
162880 RV021814
Copyright © 2013 Marshall Air Systems, Inc.
All Rights Reserved.
5
USB CONFIGURATION DOWNLOAD:
1. To download a new configuration, loosen the USB port cover screws using a Phillips head
screwdriver (see figure below).
DH5F-333WND
DH5H-3WND and DH5G-3333WND
2. Insert USB flash drive with a valid file (provided by Marshall Air systems) into port.
3. Access the " CF" parameter in programming mode as explained in the programming (user level)
section.
4. Once the display shows " CF", press the down arrow button. If the controller recognized a valid
file through the gateway USB port, the display will show "dLd" to let the user know that it is
ready to download the new configuration file. If the controller can not recognize a valid file, the
display will show "Err" to let the user know that a file error occurred. The display will keep
showing "Err" until a valid file is recognized or the user presses the temperature button to go
back to parameter code display " CF".
5. To start the new configuration download when the display shows 'dLd", press the down arrow
button again. The display will start flashing "dLd". When the download is complete, the display
will show "Cpt" for complete. The user then acknowledges the download completion by
pressing the down arrow button once more to go back to parameter code display " CF". If an
error occurred during download, the display will show "Err" until a valid file is recognized or the
user presses the temperature button to go back to parameter code display " CF".
6. If the unit has more then one deck, repeat steps 3, 4 and 5 for all other decks.
USB Port
USB Port
Cover
USB Port
Cover
