Service Manual_2018-V1.0
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1. Definition and classification of water purifier
1.1 Definition of water purifier
Water purifier：
Water purifier is also called water purifier, water quality purifier, it is the water treatment equipment
to conduct depth-type filtration and purification treatment to water quality according to the usage
requirement to water. Its core technology is the filtration membrane of the filter device, currently, the
main technology comes from two types of ultrafiltration membrane and RO reverse osmosis
membrane. The water purifier can effectively filter out the rust, sand and colloid as well as absorb
the residual chlorine, odor, heterochrome, pesticides and other chemical agents in water. It can
effectively remove bacteria, germs, toxins, heavy metals and other impurities in water.
1.2 Classification of water purifier
1.2.1 Freestanding water purifier:
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