IM 1005-3 • MICROTECH III REMOTE USER INTERFACE 12 www.DaikinApplied.com
Firmware Upgrade Procedure
Follow these steps to update the remote user interface (HMI)
rmware (.bin) le.
NOTE: The upgrade procedure requires the use of an SD
memory card no larger than 8GB with a FAT32 le
system format.
NOTE: A eld update is not possible on units with
v1.07 rmware. Contact the Daikin Applied Air
Technical Response Center at 844-521-3928
(techresponseaah@daikinapplied.com) or the Chiller
Technical Response Center at 540-248-9239
(techresponse@daikinapplied.com) for assistance.
Upgrading from VVS10 to a newer version
1. Upload the rmware le, POL12289.bin, on the SD-Card
in the root directory with no other les.
2. Insert the SD Card into the MicroTech III unit controller.
The unit controller must be powered-up and running.
3. Connect the HMI DM to the unit controller.
4. Press the back button of the HMI DM until the “HMI
Setting and Local Connection” page appears.
a. Choose the HMI Setting. Scroll to the end of this
page and the “Firmware Update” option appears.
b. Push and roll to YES. Push the knob of the HMI
DM again.
5. The “Now Firmware Updating” message appears on the
user HMI display.
Do not remove power from the unit controller.
6. After successful upgrade of the rmware, the HMI DM
goes back to the normal HMI page.
7. Follow steps 1-4 to upgrade rmware for each HMI on a
daisy-chain network. Please be aware that each remote
user interface must use the same rmware version.
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