62 lb. (28 kg) Self-Contained Ice Machine. The SCH Series produces the perfect gourmet ice cube, clear and solid with a small depression on the bottom which is the type of ice your customers want! These easy to use, quality made self-contained ice machines are manufactured with R290 refrigerant which means they are very environmentally friendly and energy efficient and come with a 3-year parts and labour warranty and a 5-year warranty on the compressor.