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Premium Commercial Controls
ERV
TROUBLESHOOTING
If you do the operation correctly, it will say “Operation Done.”
To restore user settings, the screen is in Backup and Restore. The steps are:
u
Choose the location: internal or USB
u
Set Confirm to Yes
You should see “Operation done.”
If the unit does not confirm that the operation was done, the controller may have been older and
upgraded in the field. Older version saved factory parameters in EXPORT_76. See the
General
Save and Restore
for information on how to get those settings back into the controller.
9.5.2 Restore Factory Settings
This operation is used to go back to factory settings that were set in the factory while they
tested the unit. These are somewhat specific settings but going back to these settings will
require you to perform start up and commissioning again. To return to factory defaults:
u
Choose internal
u
Set Confirm to YES
If the unit does not confirm that the operation was done, the controller may have been older and
upgraded in the field. Older version saved factory parameters in EXPORT_76. See the
General
Save and Restore
for information on how to get those settings back into the controller.
9.5.3 General Save and Restore
There is a general save and restore function that allows you to save different versions of your
parameters and save them under slightly different names.
Both saving and restoring use the same screen so care should be taken to make sure you have
the screen set correctly so you do not lose all of your settings.
u
Choose IMPORT (for restoring) or EXPORT (for saving)
u
Choose memory type: INTERNAL or USB