Refrigerant System: actually, The evaporator is surrounded by refrigerant to absorb the heat from the flow water, to make it freeze into ice. Ice Cube Making Machine Industrial, Ice Cube Maker & Water Dispenser, Restaurant Equipment Ice Machine, The Cube Ice Machine,Premium Ice Maker. Except the commercial type tube ice machine, we also offer big capacity tube ice maker, it can make up to 50,000kg tube ice per day by one single piece machine. For the big capacity tube ice machine, the condenser will be water cooled type, and it could be evaporating type too. The product will supply to all over the world, such as Europe, America, Australia,Nigeria, Mexico,Yemen, United Arab emirates.If the compressor oil has been used for more than 3years or the ice machine runs for more than 1000hours, it’s better to change the compressor oil. The oil grade please check with OMT ICE. Different brand compressors the oil grade will be different.