Cooler/Freezer used for storage - visible ham and turkey displayed. Built-in unit that has 2+ doors to sell from.
Clean and dry the surface, make sure no frost or ice is visible
Install the sensor on the wall near the door. Options include:
Left side of door
Right side of door
Above door
IMPORTANT: Make sure that the sensor is installed on a flat surface and not on any metal seams that might flex and cause the sensor to come loose. Make sure that sensor has a 2-3 inch gap on all sides. (do not install directly against a metal surface on top, bottom, left, or right of mounting bracket.
Side of door installation
Above door installation