Vaillant ecoTEC sustain 24 Installation And Maintenance Instructions Manual

Also see for ecoTEC sustain 24: Operating instructions Installation and maintenance instructions

26 Installation and maintenance instructions ecoTEC sustain 0020253094_058 Operation8.1 Operating conceptThe operating concept and the display and setting facilitiesof the operator level are described in the operating instruc-tions.An overview of the display and setting options in the installerlevel can be found in the section "Overview of the installerlevel". (→ Page 26)8.2 Installer level overview8.3 Calling up the installer level1. Only call up the installer level if you are a competentperson.2. Press and ("i") at the same time.◁ S.xx (current unit status) appears in the display,followed by the heating flow temperature and theheating installation pressure.3. Press to access the installer level.◁ SoF and the software version appear in the display.4. Press .◁ c.00 appears in the display.5. Press the or button to change the installer code.– Installer code: 176. Confirm by pressing .7. Press to access the diagnostics codes (d.), thecheck programmes (P.) and the fault codes (F.) and toreturn to the diagnostics codes (d.).8. Use or to set the required value .◁ appears in the display.9. Confirm by pressing .10. Use or to set the required value .◁ appears in the display if the value can be set.◁ "no" appears in the display if the value cannot beset.11. Confirm by pressing .12. Press to cancel a setting or exit the installer level.8.4 Using diagnostics codesYou can use the parameters marked as adjustable in thetable of diagnostics codes to adapt the product to the install-ation and customer requirements.8.4.1 Setting a diagnostics code1. Call up the installer level. (→ Page 26)◁ d.-- is shown in the display.2. Press the or button to select the diagnosticscode.3. Press to confirm.4. Press the or button to set the value of the dia-gnostic code.5. Press to confirm.6. Press to return to the sequence.◁ The diagnostics codes are shown in the displayonce again.7. Proceed accordingly for all parameters that need to bechanged.8. Press the button 2 times to exit the diagnostics codeconfiguration.◁ The display switches to the basic display.8.5 Displaying the status codesThe status codes display the product's current operatingstatus.Status codes – Overview (→ Page 49)8.5.1 Live Monitor (status codes)1. Press and ("i") at the same time.◁ The S.xx message appears in the display, followedby information about the installation (→ Activatingaccess for the competent person).2. Press .◁ The display switches to the basic display.8.6 Using check programmesBy activating various check programmes, you can triggervarious special functions on the product.Check programmes – Overview (→ Page 45)8.6.1 Calling up the check programmes1. Call up the installer level. (→ Page 26)◁ d.-- is shown in the display.2. Press .◁ P.-- is shown in the display.3. Press the or button to select the checkprogramme.4. Press to confirm.◁ The check programme starts.5. Press .◁ The heating water temperature and the filling pres-sure for the heating installation are shown altern-ately in the display.