1. Clean and dry the surface, remove any food, oil or grease

2. Open Air Cases - Install on the side wall above the middle shelf, half way back from the front of the unit. The sensor should be centered on the side wall.

3. Closed Cases - Install on the front wall above above the glass. Avoid installing on surfaces that need to be removed for cleaning

IMPORTANT: These units often have grease and oil on the inside surfaces, make sure thoroughly clean and dry the surface to ensure good adhesion.