The battery ultrapure water equipment company explains precautions for using the equipment in low-temperature environments

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　　1. In low-temperature environments, we must check whether ice has formed inside the membrane housing. If ice is present, under no circumstances should we attempt to power on the system. The correct procedure is to slowly rinse the membrane housing with warm water at 40–50 degrees Celsius until all the ice melts. 　　2. Check whether the pretreatment system has frozen. In case of freezing, we need to determine if it has been completely frozen; if not, we must flush it frequently using wastewater to melt the ice. Be careful not to completely close the inlet valve for raw water; this helps prevent freezing in the pipes. If freezing does occur, it is necessary to thaw the ice slowly using warm water. 　　III. Check whether the wastewater pipes are frozen; the method is the same as for pretreatment and disposal. If the ice hasn’t completely melted, never force the device to turn on; otherwise, the pipes may burst, posing a danger.