Vaillant ecoTEC pro 24 Installation And Maintenance Instructions Manual

Also see for ecoTEC pro 24: Instructions for use Instructions for installation and servicing Instructions for installation and servicing Instructions for installation and servicing

Appendix32 Installation and maintenance instructions ecoTEC pro 0020244995_02Code Parameter Values or explanations DefaultsettingOwn settingD.018 Pump operating mode 1 = Comfort (continuously operating pump)Internal pump is switched on when the heating flow tem-perature is not at Heating off and the heat requirementis enabled via an external controller3 = Eco (intermittently operating pump)Internal pump is switched on every 25 minutes for 5minutes once the overrun time has elapsed3 = EcoD.019 Pump operating mode: 2-stagepumpSetting for two-stage pump operating mode0: Burner mode stage 2, pump flow/overrun stage 11: Heating mode and pump flow/overrun stage 1, hotwater handling mode stage 22: Automatic heating mode, pump flow/overrun stage 1,hot water handling mode stage 23: Always stage 24: Automatic heating mode, pump flow/overrun stage 1,hot water handling mode stage 12D.020 Max. DHW temperature targetvalueAdjustment range: 50-70 °C (actoSTOR 65 °C) 65 °CD.022 DHW demand On, Off Not ad-justableD.023 Heating mode status Heating on, heating off (summer mode) Not ad-justableD.025 Ext. eBUS signal: Cylinder char-gingOn, Off Not ad-justableD.026 Auxiliary relay 1 = Circulation pump2 = External pump3 = Cylinder charging pump4 = Extractor hood5 = External solenoid valve6 = External fault message7 = Solar pump (not active)8 = eBUS remote control (not active)9 = Legionella protection pump (not active)10 = Solar valve (not active)2 = ExternalpumpD.027 Accessory relay 1 Switching of relay 1 on the VR 40 "2 in 7" multi-func-tional module1 = Circulation pump2 = External pump3 = Cylinder charging pump4 = Extractor hood5 = External solenoid valve6 = External fault message7 = Solar pump (not active)8 = eBUS remote control (not active)9 = Legionella protection pump (not active)10 = Solar valve (not active)2 = ExternalpumpD.028 Accessory relay 2 Switching of relay 2 on the VR 40 "2 in 7" multi-func-tional module1 = Circulation pump2 = External pump3 = Cylinder charging pump4 = Extractor hood5 = External solenoid valve6 = External fault message7 = Solar pump (not active)8 = eBUS remote control (not active)9 = Legionella protection pump (not active)10 = Solar valve (not active)2 = ExternalpumpD.029 Water circulation vol. actual value Actual value in m³/h Not ad-justable