Appendix0020244995_02 ecoTEC pro Installation and maintenance instructions 33Code Parameter Values or explanations DefaultsettingOwn settingD.033 Fan speed target value In rpm Not ad-justableD.034 Fan speed actual value In rpm Not ad-justableD.035 3-way valve position Heating modeParallel operation (mid-position)DHW modeNot ad-justableD.036 DHW flow rate In l/min Not ad-justableD.039 Solar inlet temp. actual value Actual value in °C Not ad-justableD.040 Flow temperature actual value Actual value in °C Not ad-justableD.041 Return temperature actual value Actual value in °C Not ad-justableD.044 Ionisation value actual value Display field 0 to 1020> 800 no flame< 400 good flameNot ad-justableD.046 Pump mode 0 = Relay with disable facility1 = PWM with disable facility0 = Relaywith disablefacilityD.047 Current outside temperature (with Vaillant weather compensator)Actual value in °CNot ad-justableD.050 Offset min. speed In rpm, setting range: 0 to 3000 Nominalvalue set infactoryD.051 Offset max. speed In rpm, setting range: -990 to 0 Nominalvalue set infactoryD.058 Solar post-heating 0 = Solar post-heating deactivated3 = DHW activation target value minimum 60 °C, thermo-static mixer valve required between product and draw-offpoint0 = Solarpost-heatingdeactivatedD.060 Number of safety therm. shut-downsNumber of shutdowns Not ad-justableD.061 No. of shut-downs in ign. flamecontrollerNumber of unsuccessful ignitions in the last attempt Not ad-justableD.064 Avg. ignition time In seconds Not ad-justableD.065 Max. ignition time In seconds Not ad-justableD.067 Remaining anti-cycl. time for heat-ingIn minutes Not ad-justableD.068 Number of first start attempts Number of unsuccessful ignitions Not ad-justableD.069 Number of second start attempts Number of unsuccessful ignitions Not ad-justableD.070 3-way valve operation 0 = Normal operating mode1 = Parallel operation (mid-position)2 = Permanent heating mode position0 = NormaloperatingmodeD.071 Max. heating target flow temp. 40 … 80 ℃ 75 ℃D.072 Pump overrun after cylinder char-gingAdjustable from 0-10 minutes in increments of 1 minute 2 minsD.073 Offset setting for comfort mode Adjustable from -15 K to 5 K 0D.074 Anti-legionella funct. with integ-rated cyl.0 = Off1 = On1 = OnD.075 Max. cylinder charging time 20 - 90 min 45 mins