IndexCChecking and replacing deflector plate ...........................26DDeclaration of conformity ...............................................39Declaration of no objection ............................................37Delivery characteristic curves ........................................10Delivery Rate ................................................................19Diaphragm replacement ................................................22Digital display ...............................................................18Dosing accuracy ...........................................................11Dosing of chemicals ........................................................5Dosing rate .....................................................................7Draining .......................................................................21FFault ............................................................................35Flow rate setting ...........................................................17Function .........................................................................7IInitial start-up ...............................................................19Injection nozzle installation ............................................13Installation ....................................................................11Installation examples .....................................................14Installation location .......................................................11LLevel monitoring ...........................................................12MMaintenance.................................................................22OOperating mode ............................................................18Operating state .............................................................18Operation .....................................................................16PPersonal protective equipment .......................................19Pressure control and safety valves .................................13Protective clothing...........................................................5RReplacing the diaphragm ...............................................22SShutdown .....................................................................21Start-up........................................................................19Stroke length adjustment ...............................................29System design ..............................................................11TTechnical data ................................................................9Troubleshooting ............................................................35UUse for intended purpose.................................................7VValves ..........................................................................26Vent valve.....................................................................19WWarranty claim..............................................................38Water meter installation.................................................12Water meter operation...................................................1936 | Operation & Maintenance Instructions | Index