Nobel RO 406 /E Installation Operation & Maintenance
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REVERSE OSMOSIS SYSTEMS RO 4... /E /EL - INSTRUCTIONS MANUALs.r.l.Milano - ITALY Page 8 of 25 ro4e_mi-r10.doc - r. 104.5. Hydraulics connections see DIAGRAM OF THE SYSTEM andDIMENSIONS/WEIGHT DIAGRAM• Connect the raw water line (I) to the filtration unit (F), using pipes made in PVC or othersuitable materials, with size (Ø) equal or larger than the size of inlet connection (I).• Whether the raw water contains a large quantity of suspended solids, the filters (filtration 5μm) could be clogged very quickly; in this case a proper Nobel pre-filter with filtration of 50μm, should be provided. According to the characteristics of raw water, the pre-treatmentcould be required; apply Nobel Technical Dept. for proper suggestion.• Run the line from the product water outlet fitting (U) to the storage tank, using pipes madein PVC or other suitable materials, with size (Ø) equal or larger than the size of outletconnection (U).• Run the line from the drain fitting (S) to a floor drain of a proper size, using pipes made inPVC or other suitable materials, with size (Ø) equal or larger than the size of concentrateconnection (S).• The pre-arranged fittings for cleaning (R and R1) will be connected, only when required, tothe cleaning tank and/or to the drain. Indeed, it allows the recirculation (or the drain) ofpermeate and concentrate during these operation.FOR SYSTEMS ARRANGED FOR FLUSHING WITH RO PROCESSED WATER ONLY :• Connect the intake of RO processed water for flushing to the inlet fitting (IF) using pipesmade in PVC or other suitable materials, with size (Ø) equal or larger than the size of thefitting (IF).THE OUTLET PRODUCT WATER LINE MUST BE COMPLETELY FREE OFANY SHRINKAGE - THROTTLING - SHUT OFF VALVE4.6. Electrical wiring connectionsRun the electrical wiring connections to the terminal board of the control panel (QE), asdescribed in the attached resuming sheets of terminal boards. All the connections betweencontrol panel to the equipments mounted on the skid, have been already made in factory (seeWIRING DIAGRAM).• The power supply plant must be made according to the value of voltage, frequency andadsorption, as stated at paragraph “TECHNICAL CHARACTERISTICS”.• The size of the wires of the electrical power conductors must be selected according to themax allowable current intensity.• The power supply line must be protected by an automatic differential circuit breaker, withadequate power and according to applicable law.• It is recommended to use suitable fittings, for the wiring connection, in order not to modifythe protection grade of the control board. |
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