1, from the pretreatment to reverse osmosis device all the equipment, piping, dosing systems and other materials to meet the requirements of corrosion;
2, all piping and equipment corrosion and daily operation and chemical cleaning when the pH range compatible;
3, all of the pretreatment system has been backwashing or cleaning and in a clean state;
4, the security filter installed a new clean filter;
5, the security filter must be no surfactant, lubricant, fabric;
6, the water supply pipeline has been washed, usually in the high-pressure pump and RO system before the completion of the connection; to confirm all the dust, grease, lubricants, metal residues and so have been removed from the pipeline installation;
7, the location of the drug point is correct, dosing system in the operating state;
8, dosing on the correct installation of the relevant valve;
9, the chemical into the RO system before the right mix;
10, dosing metering pump shutdown or drug to ensure that the RO system to stop the chain;
11, RO system to stop when the system shut down dosing system;
12, pretreatment if the use of chlorine and other oxidizing agents, to ensure that the use of the relevant measures to remove residual chlorine;
13, configure the relevant instrument is sufficient to monitor the system operating parameters and standardization;
14, the relevant instrument has been installed, calibration;
15, the system installed a pressure relief valve and in the correct set position;
16, any time the water pressure will not exceed the water or concentrated water pressure 0.7bar;
17, all the chain, delay and alarm installation is correct and tested;
18, to ensure that each pressure vessel can be sampled;
19, to ensure that the water, water, concentrated water for sampling;
20, the pressure vessel and the cleaning pipeline is connected correctly;
21, all the pressure vessel is safely secured to the RO bracket;
22, all the pressure vessel has been completed to fill the membrane components, the correct and safe installation of the pressure vessel cover;
23, safe and correctly connected to all the pressure vessel, in particular, check the clamp junction and pressure vessel end seal;
24, water outlet valve open;
25, before the water into the RO and the water can be discharged directly;
26, open the concentrated water control valve.
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