Initial Setup - Haier HVB050ABH - Designer Series 50 Bottle Capacity Wine Cellar User Manual

Your wine cellar has a temperature control konb on the bottom of the unit.
There are 7 settings: 1 being the warmest and 7 being the coolest. You can
set the temperature of your wine cellar at any setting you desire. The wine
cellar will maintain a temperature range between 39 F and 65 F.