How to UseStep 1-Unpack and inspect product accessories. Step 2-Clean the inside and outside of the machine. Step 3-Place the refrigerator in the proper position and ensure that the function switch and power switch are in the "OFF" position. Step 4-Insert the plug and energize according to the electrical connection instructions. Step 5-Turn the power switch to the appropriate position according to the type of power connected. Step 6-Set the function switch to the "cold" or "hot" position you want. At this time, the indicator lights up (green indicates cooling, red indicates heating), the fan rotates, and the refrigerator enters into working state.