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INSTALLATION
INSTRUCTIONS
1. Place USB Flash Drive into USB port on controller
(Note: Please be sure a backup to a USB drive
before updating the firmware).
Screen will read:
USB WAIT
Then:
USB OK
USB: OK
Figure 4
Next Page...
2. Press Joy Stick down
Screen will read:
Status
>Alarms
3. Press Joy Stick lever down four times until the screen
below appears. If the Update screen is scrolled past
you return by pressing the joy stick lever up until the
Update screen appears.
Screen will read:
Contrler (Controller)
>Update
Controller > Update
Figure 5
4. Press ENTER
Enter & Cancel Buttons
Figure 6
MAXA-MI$ER
UNITARY ENERGY RECOVERY VENTILATOR
MODEL VR028A15M/H & VR028A25H (STATIONARY)
Screen will read:
5. Toggle Joy stick down so the arrow is next to
>Load Firm
6. Press ENTER
Screen shows software versions present on the USB
Flash Drive, such as >1.0.0.1101.s e c u s b.pkg,
3.0.0.1072.secusb.pkg or other versions that have been
loaded onto the USB Flash Drive. Scroll up or down to view
firmware versions on the drive. Select the desired firmware
file (3.1.0.0128 version in this example).
7. Press ENTER
Screen will read:
PAGE 14
5257527-UAI-A-0616 / R28A-18YSDW
>View Ver (Version)
Load Firm
Backup
>View Ver
Figure 7
>LoadFirm
Figure 8
Confirm?
>Confirm
Figure 9
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