No, you do not put water in the main unit of a slow cooker. Slow cookers, also known as Crock-Pots, have a specific design that does not require water in the main cooking compartment.
When using a slow cooker, you typically place the food you want to cook in the ceramic or stoneware insert, which is the removable cooking pot that sits inside the main unit. The food is then cooked using low, steady heat over an extended period of time. The lid is placed on top to trap the heat and moisture, creating a controlled cooking environment.
The slow cooker is a sealed system, and as the food cooks, it releases its own moisture. This trapped moisture, along with the low heat setting, allows the food to cook slowly and evenly without the need to add extra water to the main unit. Adding water to the main unit could potentially damage the heating element or the electrical components of the slow cooker.
It's essential to follow the manufacturer's instructions and guidelines for using your specific model of slow cooker to ensure safe and proper operation. Always place the food and any required liquid (like broth, sauces, or other cooking liquids) inside the cooking pot, not the main unit.