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General Notes and AbbreviationsAbbreviations used and what they meanAbbreviationMeaningAbbreviation MeaningControl input"0...10 V"Automatic adjustment of pump output during setback TOP-Controlphases, e.g. boiler setback operation overnightResistant to blocking current, no motor protectionTrinkwV 2001Three-phase motorVDI 2035Control mode for constant differential pressureCombined control mode of constant and variableWSKdifferential pressuresControl mode for differential-pressure control as afunction of media temperatureGeneral Notes and AbbreviationsControl mode for variable differential pressureControl mode for differential temperatureSingle-phase AC motorElectronically commutated motor with new damp-roomenclosure. Newly developed glandless drive concept forhigh-efficiency pumps.Control input "Overriding Off"Control input "Overriding Min", e.g. for setbackoperation without autopilotResidual-current deviceBuilding automationSpecial cast iron: white malleable cast ironDegree of German water hardness, unit for assessingwater hardnessDelivery headInterfaceIntegrated full motor protection, including triggeringelectronicsInfrared interfacePaintwork with high adhesive strength for long-lastingcorrosion protectionCapacitorThermal resistor sensorAuthorization for products with plastics, for use indrinking-water applicationsLocal operating network(open, non-manufacturer-dependent, standardizeddatabus system in LONWORKS networks)Motor module (drive motor + impeller + terminal box/electronics module) for exchange in the TOP .. SeriesPump master computer, Wilo-specific data busPlatinum temperature sensor with a resistance value of1,000 Ω at 0 °C.V1~ Single-phase alternating current3~ Three-phase alternating currentAutopilotrbcDM∆p-c∆p-cv∆p-T∆p-v∆TEMECM technologyExt. OffExt. MinRCDBAGTW°dHIFIntegr.IRCataphoresiscoatingCapTRSKTWLONMOTPLRPt 1000Q (= ) Delivery rateSBMSSMProcess signal or collective run signalCollective fault signalAnalog input for external activation of functionsBuilding-automation management with pumps andaccessoriesGerman drinking-water ordinance from 2001(valid from 01.01.2003)VDI guideline for preventing damage in hot-waterheating installationsThermal winding contacts (in motor for monitoringwinding temperature, full motor protection by additionaltripping unit)6 As of: 06/2004 - Subject to change without prior notice