Using this Atosa topping rail prep station is easy. First, plug it into a 115V power outlet. Then, use the electronic temperature controller to set the temperature between 33°F - 38°F (0.55°C - 3.33°C) according to your needs. Place your food items in the 10 provided 1/6 size 6 - inch deep poly pans. When it comes to maintenance, regularly clean the stainless - steel interior and exterior with a mild detergent and a soft cloth. Make sure the area around the side - mount compressor is clean and well - ventilated. Also, check the temperature regularly to ensure it's within the right range. Don't overload the pans as it may affect the cooling efficiency. If you notice any problems, refer to the spec sheet or contact customer service.