LG AR-DR12-05A Installation And Operation Manual page 113

Rooftop dedicated outdoor air system doas vx, base rooftop doas 800 to 5750 cfm, energy recovery wheel rooftop doas 900 to 9550 cfm
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Software Backup and Restore
Connecting to USB Drives
The controller has built-in USB ports for connecting to USB drives. The USB drives are
used for backing up all settings and reported conditions such as alarm history and current
values.
Creating a Backup File
The controller can create a backup file of set-points and configuration variables on a USB drive or in the controller's internal memory. File is
automatically named "User_Backup.txt". Backup file creation is required.
• During first startup or commissioning, or prior to communicating with Technical Support about performance issues, it is required to create a
backup file for each controller.
• Name each file with the unit sales order-line number found on the silver nameplate attached to the electrical access door.
• Email the backup files to Technical Support.
• Also, create a backup file whenever significant program changes are made.
To create a system backup file using the Handheld or Virtual Keypad / Display Buttons:
1. Go to Main Menu > Ctrl Variables > Advanced > Login screen. Press the Enter and Up or Down Arrow buttons to enter the service pass-
word "4800".
2. Go to Main Menu > Ctrl Variables > Advanced > Backup > Restore screen.
3. Press the Up or Down Arrow buttons to navigate to the Backup Settings screen.
4. Press the Enter and Up or Down Arrow buttons to select the backup location (internal memory or USB). If creating a backup to the USB
drive, insert the USB drive into the main controller
5. Press Enter to highlight and then the Up or Down Arrow buttons to fill the "Save Checkbox" and create the backup file.
Restoring from a Backup File from the USB
1. Place the restore file in the root directory of a USB drive.
Backup.txt".
2. Insert the USB drive into the controller's USB port.
3. Go the Main Menu > Unit Enable screen. Press the Enter and Up or Down Arrow buttons to disable the unit.
4. Go to the Main Menu > Ctrl Variables > Advanced > Login screen. Press the Enter and Up or Down Arrow buttons to enter the service
password "4800".
5. Go to the Main Menu > Ctrl Variables > Advanced > Backup > Restore screen.
6. Press the Up or Down Arrow buttons to navigate to the USB Restore screen.
7. Press Enter to highlight and then the Up or Down Arrow buttons to fill the Restore checkbox and restore the backup file. If there is an error
during the process, the specific error is displayed on this screen.
8. Cycle power to the controller.
Do not place the file within a folder on the USB drive. Name the file "User_
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
CONTROLLER
Figure 61: USB Port Locations.
Overview
USB Type A
USB Type B
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