Lennox Core Unit Controller

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ADVANCED
CONTROL
ADVANCED
CONTROL
REMOTE RESET
CLEAR DELAYS
CONTROLLER LOCKOUT
LOCKED
RESET (REBOOT)
OK
TOGGLE ON OR OFF
Figure 26. Advanced Control Menu Structure
9.3.4. Firmware Update
• Themobileapplicationwillupdatethermwareoftheunitarycontroller.
• Themobileapplicationwillpushanysupportedrmwareimageversiontotheunitarycontroller.
• Options are Automatic Cloud Update or upgrade from USB.
9.3.4.1 Updating Firmware
Themobileapplicationshallpullthelatestdevicesupportedrmwareversionfromthecloud.Thescreenwilllistcurrent
rmwareversion,cloudrmwareupdatesettoonoroffandupgradefromUSB.
a. Search for Updates: Theuserhastheabilityto“searchforupdates”fornewRTUrmware.Ifnoupdatesarefound,it
will indicate so.
b. File List Available for Download: Theuserwillbeinformedofthelesfoundafterquery,andbeallowedtostartthe
rmwaredownload.
c. Downloading Image Status: Theuserwillbeinformedthattheappisdownloadingthermwarefromthecloud.
d. W4 USB Drive as Source of Controller Firmware Image: Themobileapplicationwillloadaunitarycontrollerrmware
image from a W4 USB drive.
e. Version Selectable: ThemobileapplicationwillallowtheusertochoosewhichversionofthermwareintheUSBdrive
shall be used.
f. ConrmationDialog: ThemobileapplicationwillpresentaconrmationdialogtotheuserbeforeupdatingtheCORE
Unit Controller.
g. Upgrade Time: Themobileapplicationshouldbeabletoupgradetheunitarycontrollerrmwareisapproximately60
minutes using USB. Cloud updates could be longer than 60 minutes.
h. Upgrade with HVAC Service: ThemobileapplicationwillupgradetheunitarycontrollerrmwarewithoutlossofHVAC
service (excluding system reboot following upgrade).
i. Installing Firmware Upgrade Status: Themobileapplicationshallupdatethermwareupgradestatusevery5%of
progress.
9.3.4.2 Automatic Update
a. The user has the option to set automatic cloud updates to “On” for the RTU.
b. Firmware Install Completion Status: TheuserwillbeinformedofthermwareupdatecompletionstatusfromtheRTU.
c. Options:
• Upgrade completed successfully
• FW hash value wrong
• Programmingofashonequipmentfailed
• Power cycle or other reset occurred during upgrade
• M4 comm failure during upgrade
• M4 comm failure on restart following upgrade
• M4 FW version did not change following upgrade
• M4 FW update aborted due to connection of technician device to bus