Instructions

Download the update ZIP file below, and unzip it onto a USB thumb drive. The crest_update folder should be visible in the top-most directory of the thumb drive's file system.

Plug the thumb drive into a Lochinvar unit running the CON·X·US interface software, and from the drop-down menu in the top-right corner, choose the "System Update" option. Under "USB Flash Drive Update," press the "Check for Updates" button. The unit will notify you if an update is available. Press "Yes" to begin the update process. When updates are completed, your unit's control panel will automatically restart.

Download v2.80

Release Notes

v2.80

v2.78

v2.76

v2.75

v2.74