About the Refrigeration System : The sea water flake ice machine uses a refrigeration system to cool the evaporator. Common refrigerants are environmental friendly gas, R404a, or R507a. or others depending on the design and intended use of the machine. Commercial Ice Maker Machine, Square Ice Maker Machine, Aglucky, Ice Machine Block,Countertop Ice Maker Small Cubes. OMT Ice block cans are often used in commercial or industrial ice block production, to produce different size of ice blocks that can be used for refrigeration purposes or to maintain the temperature of perishable goods in storage or transport. Once the water in the can freezes, the ice block can be easily removed from the can and used as needed. The product will supply to all over the world, such as Europe, America, Australia,Armenia, India,Portugal, Algeria.1- first step, before starting any repair, make sure that the ice machine is turned off and disconnected the power supply. Follow all safety guidelines and wear appropriate safety gear.