Optimax 25 S Manual - Ferroli

Optimax 25 S4.4 Technical data tableTable 7PowersPmax PminHi Heating powerkWkW25.224.77.57.3kW 26.4 8.0Natural Gas delivery (G20)nm 3 /h 2.67 0.79Natural Gas supply pressure (G20)mbar 20 20LPG flow rate (G31)kg/h 1.96 0.58LPG supply pressure (G31)mbar 37 37CombustionCO2 (G20 - Natural Gas) %Pmax9Pmin8.7Gas nozzle (G20 - Natural Gas)5.4CO2 (G31 - Propane) % 10 9.5Gas nozzle (G31 - Propane)4.0°C°C6546Flue flow ratekg/h 43Quantity of condensatekg/h 3.3pH of condensation waterpH4,1Energy marking (92/42 EEC directive)NOx emission class 5HeatingHeating temperature adjustment range °CMaximum working pressure in heatingbarMinimum working pressure in heatingbarExpansion tank capacitylitresExpansion tank pre-filling pressurebarTotal boiler water contentlitresDimensions, weights connectionsHeightWidthDepthWeight with no loadGas system connection (with isolation valve fitted)Heating system connections (with isolation valve fitted)Maximum length of separate flues D=80*(*Measurement given in equivalent linear metres – cfr FERROLI calculation system)Electrical power supplyMax electrical power absorbedElectric power drawn by the circulator (Speed I-II-III)mmmmmmkgmmmmm eqWW30 - 9030.8811.77204003584322227513040-65-906031131.431