Vaillant ecoMAX 635 Instructions For Installation And Servicing

Also see for ecoMAX 635: Instructions for use

Vaillant ecoMAX 635 Instructions For Installation And Servicing Manual pdf 39 page image

39Parts replacement 9Instructions for installation and servicing ecoMAXFig. 9.6 Carrying out measurement of CO2 levels, preparing forair–ratio adjustmentNatural gas:Adjust in steps of no more than 1/8 of a turn,and wait for each new value to stabilise (aboutone minute).LPG:Adjust in small steps of no more than 1/16 ofa turn, and wait for each new value to stabilise(about one minute).• Turn anti–clockwise to increase level of CO 2 content.• Turn clockwise to reduce level of CO2 content.• Once the adjustment procedure is complete, swivel theair suction pipe upwards and back into position.• Re–check the level of CO 2 content.• The adjustment procedure may have to be repeated.• Press the ”+” and ”–” buttons simultaneously to deac-ti–vate full gas rate mode. Measurement mode is alsocancelled if no control button is operated for 15 minutes.• Reposition air suction pipe and tighten screw (4).• Raise control panel.Adjustment Natural gas (H) Propane Unitsettings Tolerance ToleranceCO2 after 5 min. 9,0 ± 1,0 10,0 ± 0,5 Vol.–%operation at full loadAdjusted for 15 22,5 kWh/m3Wobbe index WoTab. 9.2 Factory–adjusted gas settingsFig. 9.7 Carrying out air–ratio adjustment (gas supply settings)65364Tab. 9.1 Values to be programmed in after installation of a new circuit boardCode Meaning Displayed/Adjustable values Circuit board Setting forsetting (default) ecoMAX 635d.0 Heating system part load Adjustable values in kW 45 kW system-dep.d.1 Heating system pump over run 1 - 60 min. 5 min. system-dep.d.2 Heating system max. off-period 1 - 60 min. 20 min. system-dep.d.14 Pump speed Set value for built-in pump0 (= auto), 53, 60, 70, 85, 100 % 0 = (auto) system-dep.d.16 External CH pump 1, 2, 3, or 4 1d.71 Max. target value for heating-systemflow temperature 40 - 85 °C. 82 °C. system-dep.d.72 Hot-water pump over run 0 - 250 s 80 s system-dep.