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Installing And Upgrading

You can do it yourself, or contact your local Trane Comfort Specialist for assistance.

XL950 ComfortLink™ II Software Upgrade

A standard SD memory card (non HD/HC) with 80 MB of free memory and a computer with an SD card reader or a USB to SD card adaptor are required to complete the upgrade process. Then follow these steps.

XL850 AND XL824 SOFTWARE UPGRADES

AUTOMATIC UPGRADES

The XL850 and XL824 controls connected to Nexia™ Home Intelligence will be upgraded automatically whenever a new software release is available.

LOCAL UPGRADES

Required:

- Standard USB flash drive
- USB-Micro USB adaptor (included with control)
- Computer with USB port

STEP 1 - Insert a USB flash drive into your computer's USB port
STEP 2 - Click on the following software upgrade link and download to the flash drive

XL850: Coming Soon
XL824: Coming Soon

STEP 3 - Remove flash drive from your computer

STEP 4 - Insert the Micro USB-to-USB adaptor cable, included with your control, into the Micro USB port on the side of the control. The control needs to remain powered during the upgrade process. Do not de-power the control or pull it off the wall during the upgrade process.
STEP 5 - Connect the flash drive into the USB side of the cable
STEP 6 - Press Menu > Settings > SW Upgrades. Follow the on-screen prompts to complete the software upgrade

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